Spine Bone

Spine Bone patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

12/07/06 - 20060276898 - Convex spinal fusion interbody spacer
A convex spinal fusion interbody space device includes spaced apart superior and inferior abutment surfaces which are effectively medially convex. The peak of such convexity is displaced anteriorly of a central plane through the device. The spacer device has a height which is greater than the width of the device. ...

12/07/06 - 20060276897 - Implant for stabilizing a bone graft during spinal fusion
Systems and method in accordance with the embodiments of the present invention can include an implant for positioning at a vertebra for resisting the expulsion of a bone graft from within an intervertebral space. The implant includes a buttress plate having an intervertebral plate and an anchoring plate connected such ...

11/30/06 - 20060271194 - Interspinous process implant having deployable wing as an adjunct to spinal fusion and method of implantation
Systems and method in accordance with an embodiment of the present invention can includes an implant comprising a first wing, a spacer extending from the first wing, and a distraction guide. The distraction guide is arranged in a first configuration to pierce and/or distract tissue associated with adjacent spinous processes ...

11/30/06 - 20060271193 - Device for connecting a longitudinal member to a bone
A device to join a longitudinal support (3) with a bone, in particular with a body of the vertebra, comprising a bone anchoring element (1) that can be fixed on a bone, a connecting element (9) provided on the rear end (5) of the bone anchoring element (1) with a ...

11/23/06 - 20060265072 - Artificial intervertebral disc
An artificial intervertebral disc includes housing members including spaced inner surfaces facing each other and oppositely facing outer surfaces for engaging spaced apart vertebral surfaces. Bearing surfaces extend from each of the inner surfaces for engaging each other while allowing for low friction and compression resistant movement of the housing ...

11/23/06 - 20060265071 - Artificial intervertebral disc
An artificial intervertebral disc includes housing members including spaced inner surfaces facing each other and oppositely facing outer surfaces for engaging spaced apart vertebral surfaces. Bearing surfaces extend from each of the inner surfaces for engaging each other while allowing for low friction and compression resistant movement of the housing ...

11/23/06 - 20060265070 - Prostheses and methods for replacement of natural facet joints with artificial facet joint surfaces
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The cephalad prostheses are adapted and configured to be attached to a lamina portion of a vertebra without blocking a pedicle portion of the cephalad vertebra. In some embodiments, the prosthesis is attached with a non-invasive support ...

11/23/06 - 20060265069 - Multiple facet joint replacement
A prosthesis for the replacement of multiple diseased or traumatized spinal facets comprises a portion that replaces at least a bony portion of the facets to be replaced and where the prosthesis attaches to the vertebra in a manner that does not require attachment to, or abutment against, the lamina. ...

11/23/06 - 20060265068 - Intervertebral implant
An intervertebral implant for separating an upper vertebra and a lower vertebra. The implant includes an upper mount having a first surface sized and shaped for mounting on the upper vertebra and a second surface opposite the first surface. The implant includes a lower mount having a first surface sized ...

11/23/06 - 20060265067 - Interspinous process implant with slide-in distraction piece and method of implantation
Systems and method in accordance with embodiments of the present invention can includes an implant having an initiating piece and a distraction piece. The initiating piece can include a lower distraction element, a second wing, a lower portion of a spacer, and a lower portion of a first wing. The ...

11/23/06 - 20060265066 - Interspinous process implant having a thread-shaped wing and method of implantation
Systems and method in accordance with an embodiment of the present invention can includes an implant comprising a spacer and a frame having a central body and a helical shaped wing extending from the central body. The frame can be positioned near about adjacent spinous processes, and can be rotated ...

11/23/06 - 20060265065 - Anterior interbody spinal implant
This present invention relates to interbody spinal implants and methods of using such implants. Certain embodiments of the present invention are particularly suitable for placement using an anterior surgical approach. Certain embodiments of the present invention include a body having a top surface, a bottom surface, opposing lateral sides, and ...

11/02/06 - 20060247775 - Spinal implant
An implant to be implanted between a superior vertebra and an inferior vertebra is provided. The implant comprises a main body having a superior surface and an inferior surface that diverge with at least one linear surface protrusion residing on at least one of the superior surface or the inferior ...

11/02/06 - 20060247774 - Spinal implant
Embodiments for a spinal implant having elements that are accessible by a surgical approach and releasably engagable by a surgical tool for improved revision of the spinal implant about a patient's spine. ...

11/02/06 - 20060247773 - Instrumented implant for diagnostics
A vertebral implant for interposition between first and second vertebral bodies comprises a first component for engaging a vertebral endplate of the first vertebral body and a second component for engaging a vertebral endplate of the second vertebral body. The second component is adapted to articulate with respect to the ...

11/02/06 - 20060247772 - Synthetic loadbearing collagen-mineral composites useful for spinal implants, and methods of manufacture
Described are intervertebral spinal implants that include a biocompatible load bearing composite comprised of a particulate mineral material and collagen and having a wet compressive strength of at least about 200 N/cm2. The composite provides a load bearing body sized and shaped for insertion between adjacent vertebrae in a patient. ...

11/02/06 - 20060247771 - Expandable spinal implant and associated instrumentation
An expandable spinal implant including an implant body transitionable between an initial configuration and an expanded configuration. The implant body includes first and second axial walls spaced apart along a transverse axis, with at least one of the walls including first and second axial wall portions laterally offset from one ...

11/02/06 - 20060247770 - Expandable intervertebral implant and associated instrumentation
An expandable intervertebral implant including an implant body transitionable between an initial configuration and an expanded configuration, and having first and second axial walls spaced apart along a transverse axis with at least one of the walls defining a recessed region when the implant body is in the initial configuration. ...

11/02/06 - 20060247769 - Polycrystalline diamond compact surfaces on facet arthroplasty devices
At least a portion of an articulating surface of a facet arthroplasty device may comprise a polycrystalline diamond compact. The polycrystalline diamond compact may be useful to increase the wearability and decrease the coefficient of friction of the at least one articulating surface of the facet arthroplasty device. The polycrystalline ...

10/26/06 - 20060241764 - Spinal implant
A spinal implant is disclosed which when placed within the spinal disc space stabilizes the spinal segment. ...

10/26/06 - 20060241763 - Multipiece bone implant
An implant comprising two or more bone fragments that are combined to form a single unit. Cancellous bone or cortical bone is removed from a source and fashioned into bone components with desirable shapes and sizes. The bone components may be integrated to form implants for implantation in the body. ...

10/26/06 - 20060241762 - Height-adjustable spinal implant and operating instrument for the implant
A height-adjustable implant for insertion between vertebrae, includes first and second sleeve parts which are rotationally fixed in coaxial alignment and interconnected in an axially displaceable manner. The first sleeve part has an internal thread. A nut is positioned coaxially in an inner space surrounded by the sleeve parts and ...

10/26/06 - 20060241761 - Spine implant insertion device and method
A spinal implant include a top, wherein at least a portion of the top is configured to contact a first vertebra, a bottom, wherein at least a portion of the bottom is configured to contact a second vertebra, a side having a releasable attachment to receive an insertion device and ...

10/26/06 - 20060241760 - Spinal implant
The present invention is directed to a spinal implant, preferably a bioresorbable spinal implant, for insertion between vertebrae bodies. The implant preferably includes an anterior surface, a posterior surface, first and second lateral surfaces extending therebetween, a superior surface for engaging one of the vertebrae bodies, an inferior surface for ...

10/26/06 - 20060241759 - Oriented polymeric spinal implants
A polymeric spinal implant is disclosed wherein the polymer material is substantially uniformly oriented. The spinal implant is advantageous because the substantially uniformly oriented polymer material creates anisotropic properties, especially increased strength perpendicular to the orientation of the polymer material. ...

10/26/06 - 20060241758 - Facet spacers
A method of decompressing a facet joint comprises forming an opening in a facet capsule of the facet joint and inserting a spacer device through the opening into the facet capsule. ...

10/26/06 - 20060241757 - Intervertebral prosthetic device for spinal stabilization and method of manufacturing same
An intervertebral prosthetic device and method for spinal stabilization, according to which an outer member of a relatively flexible and soft material is formed over an inner member of a relatively stiff and hard material. When the device is inserted between two vertebrae, the outer member engages the vertebrae. ...

10/19/06 - 20060235522 - System and techniques for restoring and maintaining intervertebral anatomy
Techniques and systems for distracting a spinal disc space and supporting adjacent vertebrae are provided. Trial instruments are insertable into the disc space to determine a desired disc space height and to select a corresponding implant. Implants can be also be self-distracting and the implant providing the desired disc space ...

10/19/06 - 20060235521 - Spinous process implant with tethers
A spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume in the spine canal and/or neural foramen. In an embodiment of the invention, the implant provides a spinal extension stop while allowing freedom of spinal flexion. In an embodiment of the invention, the ...

10/19/06 - 20060235520 - Spinal implant apparatus, method and system
An apparatus, method and system for the treatment and management of spinal defects and inserting a spinal implant into an implantation space is described. The system may include a slotted implant, a distractor and an inserter and be employed in posterior lumbar or thoracic surgery. ...

10/19/06 - 20060235519 - Bone hemi-lumbar arcuate interbody spinal fusion implant having an asymmetrical leading end
An interbody spinal implant is formed of cortical bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. An asymmetrical leading end on the implant is adapted to sit upon the peripheral areas, such as the apophyseal rim and ...

10/19/06 - 20060235518 - Flanged interbody fusion device with fastener insert and retaining ring
Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the ...

10/12/06 - 20060229727 - Systems and techniques for restoring and maintaining intervertebral anatomy
Techniques and systems for distracting a spinal disc space and supporting adjacent vertebrae are provided. Trial instruments are insertable into the disc space to determine a desired disc space height and to select a corresponding implant. Implants can be also be self-distracting and the implant providing the desired disc space ...

10/12/06 - 20060229726 - Articular surface implant
An implant for replacing a portion of an articular surface including a load bearing surface and a bone contacting region. The load bearing surface had a contour defined by a first curve string which is based on a contour of the articular surface being replaced in a first plane. The ...

10/12/06 - 20060229725 - Intervertebral implant comprising dome-shaped joint surfaces
An intervertebral implant with a central axis, a top part, a bottom part, a joint comprising a joint part and a joint shell, and a joining means. The top part has a top apposed surface that is suitable for placing it on a vertebra situated above it; The bottom part ...

10/12/06 - 20060229724 - Intervertebral implant comprising temporary blocking means
An intervertebral implant for restoring natural function to a spine following the removal or an intervertebral disk or part thereof. The implant comprises a central axis, a top part, a bottom part and a joint arranged axially between the top part and the bototm part. The top part comprises a ...

10/12/06 - 20060229723 - Intervertebral fusion device and method
A intervertebral fusion device and method according to which an artificial disc is removed from an intervertebral space between adjacent vertebrae and an intervertebral fusion device is inserted in the intervertebral space to fuse the adjacent vertebrae. ...

10/05/06 - 20060224240 - Non-circular stabilization sphere and method
A spacer for inserting between vertebral members. The spacer has a non-spherical shape with an anterior section having a first shape and a posterior section having a different shape. An attachment means is positioned within the posterior section, and may include a receiver for attachment with an insertion device, and ...

09/28/06 - 20060217809 - Intervertebral disc replacement device
An intervertebral stabilizer includes: a first plate member operable to engage an endplate of a first vertebral bone of a spine; a second plate member spaced apart from the first plate member and operable to engage an endplate of an adjacent second vertebral bone of the spine; a ball element ...

09/28/06 - 20060217808 - Multi-part implant for open wedge knee osteotomies
In one form of the present invention, there is provided an osteotomy implant for supporting an open wedge osteotomy, the osteotomy implant comprising: a first graft containment arm for disposition along one side of the open wedge osteotomy; a second graft containment arm for disposition along a second, opposite side ...

09/28/06 - 20060217807 - Spinal device including lateral approach
Embodiments of the invention include devices and methods for implanting a vertebral body spacer. A lateral surgical approach is contemplated with some disclosed procedures. Instruments of some embodiments are insertable into a disc space to achieve distraction, to determine a desired disc space height, and to select a corresponding implant. ...

09/28/06 - 20060217806 - Spinal system and method including lateral approach
Embodiments of the invention include devices and methods for implanting a vertebral body spacer. A lateral surgical approach is contemplated with some disclosed procedures. Instruments of some embodiments are insertable into a disc space to achieve distraction, to determine a desired disc space height, and to select a corresponding implant. ...

09/21/06 - 20060212121 - Method and apparatus for total disc replacements with oblique keels
Artificial disc replacement (ADR) systems with intradiscal components feature non anterior-posterior (A-P) or oblique-oriented keels such that the great vessels do not require as much retraction during insertion. The system may further include guides for aligning the ADR prior to insertion, and for cutting an oblique slot into a vertebral ...

09/21/06 - 20060212120 - Anterior impacted bone graft and driver instruments
Instrument and implants are disclosed which provide for insertion of an implant into an intervertebral disc space from multiple approaches to the spine. Specifically, as a preferred aspect of the invention the implant includes a tapered portion and the implant may be inserted from multiple approaches to the spine with ...

09/21/06 - 20060212119 - Intervertebral spacer
An intervertebral spacer adapted for implanting between adjacent vertebral bodies of a human spine as a load-bearing replacement for a spinal disc. The spacing member may include an external, non-porous, concavo-convex contour with respect to one dimension of the spacing member. The spacing member may be constructed from a rigid, ...

09/21/06 - 20060212118 - Spinal fusion cage and method of use
The present invention provides a fusion cage comprising a first housing, a second housing, and an alignment portion adapted to be received between the first and second housings such that the first and second housings are held in place by said alignment portion. The alignment portion can be varied in ...

09/14/06 - 20060206208 - Push-in interbody spinal fusion implant with multi-lock for locking opposed screws and method for use thereof
An apparatus including an interbody spinal fusion implant having a leading end, a trailing end, and a length therebetween, and opposed upper and lower portions adapted to contact each of the adjacent vertebral bodies. Each of the upper and lower portions having at least one opening adapted to communicate with ...

09/14/06 - 20060206207 - Expandable spinal fusion cage and associated instrumentation
An expandable spinal implant comprising a cage body including at least two movable branches having first end portions that are interconnected to one another and second end portions that are movable relative to one another. The movable branches include a first shell portion having a first pair of longitudinal edges ...

09/07/06 - 20060200238 - Posterior oblique lumbar arthrodesis
Instruments and methods for spinal stabilization are disclosed. In preferred embodiments, the invention provides greater stabilization of vertebral bodies through methods including combinations of external fixation systems and intervertebral implants to provide greater fusion stability, greater motion segment stability, faster fusion, reduced pain, reduced chance of migration, reduced chance of ...

09/07/06 - 20060200237 - Vertebral motion preservation device with improved rotational motion
An implantable vertebral motion preservation system has upper and lower parts that are inserted into a vertebral space, wherein the upper part or lower part has a generally arcuate raised ridge that forms an arcuate shape and the other of the upper or lower part has a corresponding generally arcuate ...

08/31/06 - 20060195190 - Implant for intervertebral space
An implant for an intervertebral space with a shaped body. The implant has a top contact surface to be placed on a base plate of a body of the vertebra adjoining the implant from above, a bottom contact surface to be placed on a cover plate of a body of ...

08/31/06 - 20060195189 - Prosthetic joint of cervical intervertebral for a cervical spine
In an intervertebral joint prosthesis for an intervertebral space of the cervical spine, the intervertebral space is delimited by the end plates of the adjacent vertebral bodies. The bearing surfaces of these end plates, when viewed in a frontal plane, have edge zones laterally adjacent to a substantially flat central ...

08/24/06 - 20060190082 - Intervertebral prosthesis system, in particular for the cervical spine
An intervertebral prosthesis system, in particular for the cervical spine, includes at least two types of prothesis. The type of prothesis includes a first cover plate that is configured to be connected to a first vertebral body, a second cover plate that is configured to be connected to a second ...

08/24/06 - 20060190081 - Facet stabilization schemes
The present invention relates to methods of stabilizing a facet joint, wherein the facet joint comprises an inferior articular facet of the superior level, a superior articular facet of the inferior level, and an interfacet space that is defined between the opposing faces of the inferior and superior articular facets. ...

08/24/06 - 20060190080 - Implanted prosthetic device
An orthopedic device adapted for implantation into a body where it contacts bone tissue is disclosed which has at least one spaced apart polarized magnetic element, at least one piezoelectric element or a combination of a polarized magnetic element and a piezoelectric element which are in direct contact with one ...

08/24/06 - 20060190079 - Articulating spinal disc implants with amorphous metal elements
Described are artificial disc implants for insertion between first and second adjacent vertebrae in a patient. The implants have a first member and a second member in articulating relationship. At least one member of the implant includes an amorphous metal element. Also described are related methods of making and using ...

08/17/06 - 20060184248 - Percutaneous spinal implants and methods
An apparatus includes a guide shaft, an expansion member coupled to the guide shaft, and an actuator. The expansion member is configured to impart a force from within an interior of an implant to deform the implant. The actuator is coupled to the expansion member, the actuator is configured to ...

08/17/06 - 20060184247 - Percutaneous spinal implants and methods
An apparatus includes an elongate member having a proximal portion configured to be deformed from a first configuration to a second configuration. The elongate member has a distal portion configured to be deformed from a first configuration to a second configuration. A non-expanding central portion is positioned between the proximal ...

08/03/06 - 20060173543 - Support device for vertebral fusion
A support for vertebral fusion prevents subsidence and eliminates the need for posterior surgery and instrumentation. The support is constructed of an implantable man-made material. One embodiment is generally a U-shaped metal support that rests on the apophyseal ring of a patient's vertebrae, with the open portion of the U ...

07/27/06 - 20060167549 - Bone implant, in particular, an inter-vertebral implant
A bone implant and the method of manufacturing thereof, the bone implant, in particular an inter-vertebral implant, made of a radiation-permeable material. The inter-vertebral implant defining a surface and comprising a front section, a back section, two lateral sections defining a central axis, and a substantially hollow interior chamber, each ...

07/27/06 - 20060167548 - Non-linear spinal fusion interbody spacer
An interbody device includes a solid interior and a non-linear body with opposed top and bottom abutment surfaces that are asymmetrically convex, the device being sized and shaped to be operably positioned between a pair of opposing vertebrae for support and/or fusion. The non-linear body has opposed first and second ...

07/27/06 - 20060167547 - Expandable intervertebral fusion implants having hinged sidewalls
An expandable intervertebral implant includes two shell components connected by articulated side walls which allow for expansion of the components between intervertebral bodies. The implant is maintained at a desired height by placing an insert of a selected size between the articulated walls, to prevent the implant from collapsing. ...

07/20/06 - 20060161257 - Pair of intervertebral prostheses
A pair of intervertebral prostheses is configured to be implanted above and below a given vertebral body and each has an end plate configured for connection to this vertebral body and a securing flange which is assigned to the end plate and is configured for connection to the vertebral body ...

07/06/06 - 20060149378 - Articulating spinal disc prosthetic
A spinal disc prosthetic for replacement of cervical and/or lumber discs, that in each case allows a limited degree of rotational articulation, as well as durability and resistance to fatigue. The prosthetic is formed with three primary layers, including a superior (upper) plate, inferior (lower) plate, and intermediate layer, in ...

07/06/06 - 20060149377 - Artificial disc prosthesis
A visco-elastic motion-limiting artificial intervertebral disc prosthesis is provided that mimics the physiologic function of a normal spinal disc. The disc comprises upper and lower endplates having therewithin channels or openings for optionally receiving one or more motion-limiting members fitted on each end with an enlarged portion. One or more ...

07/06/06 - 20060149376 - Bioimplant with nonuniformly configured protrusions on the load bearing surfaces thereof
A bioimplant is configured with at least two load-bearing surfaces each having a plurality of protrusions oriented at an angle with respect to one another to resist translation in all directions when opposing load bearing surfaces are under normally applied compressive loads. ...

07/06/06 - 20060149375 - Prostheses, tools and methods for replacement of natural facet joints with artificial facet joint surfaces
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The cephalad prostheses are adapted and configured to be attached to a lamina portion of a vertebra without blocking a pedicle portion of the cephalad vertebra. ...

07/06/06 - 20060149374 - Inter-cervical facet implant and method
Systems and method in accordance with the embodiments of the present invention can include an implant for positioning within a cervical facet joint for distracting the cervical spine, thereby increasing the area of the canals and openings through which the spinal cord and nerves must pass, and decreasing pressure on ...

07/06/06 - 20060149373 - Inter-cervical facet implant and method
Systems and method in accordance with the embodiments of the present invention can include an implant for positioning within a cervical facet joint for distracting the cervical spine, thereby increasing the area of the canals and openings through which the spinal cord and nerves must pass, and decreasing pressure on ...

07/06/06 - 20060149372 - Artificial spinal disc
The present invention relates to prostheses for treating spinal pathologies, and more specifically to an artificial disc implant. The implant includes an inferior implant for placement on an inferior vertebra and a superior implant for placement on a superior vertebra. The implant also includes an articulating interface that is generally ...

07/06/06 - 20060149371 - Intervertebral prosthetic device and method with locking mechanism
A prosthetic device and method, according to which first end plate engages a first vertebral body, and a second end plate engages a second vertebral body. An insert lockingly engages one of the end plates and engages the other end plate in a manner to permit relative movement therebetween. ...

06/29/06 - 20060142860 - Artificial disc prosthesis
A visco-elastic motion-limiting artificial intervertebral disc prosthesis is provided that mimics the physiologic function of a normal spinal disc. The disc comprises upper and lower endplates having therewithin channels or openings for optionally receiving one or more motion-limiting members fitted on each end with an enlarged portion. One or more ...

06/29/06 - 20060142859 - Bone fusion device
A bone fusion device provides stability to bones during a bone fusion period. The bones include, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable tabs attached to the bone fusion device by associated rotating means. The bone fusion device is preferably ...

06/29/06 - 20060142858 - Expandable implants for spinal disc replacement
Multiple embodiments of the present invention provide methods and apparatuses for maintaining spacing between neighboring vertebrae, while minimizing the size of the surgical opening required. In one embodiment, an expandable spinal implant is made having movable parts that can arranged so as to have a small maximum cross-sectional width so ...

06/22/06 - 20060136059 - Spinal implant
The present invention provides an implant to be implanted between a superior vertebra and an inferior vertebra. The implant comprises a main body having a superior surface and an inferior surface with at least one linear surface protrusion residing on at least one of the superior surface or the inferior ...

06/15/06 - 20060129238 - Spinal stabilization device and methods
Devices and methods for immobilizing adjacent vertebrae are disclosed including the utilization of one or more implants inserted between adjacent vertebrae and having protrusions thereon for substantially fixedly securing with the vertebrae. In one form, an implant may be inserted in a first orientation and then rotated to a second ...

06/08/06 - 20060122702 - Hemi-interbody spinal fusion implants manufactured from a major long bone ring
An interbody spinal implant comprising cortical bone having a width less than one-half the width of the disc space into which it is adapted to be inserted. The implant has a leading end that is asymmetrical from side to side and/or includes a straight portion adapted to be used in ...

06/08/06 - 20060122701 - Posterior lumbar interbody fusion expandable cage with lordosis and method of deploying the same
A spinal fusion cage comprises an upper half-cage, a lower half-cage, and a plunger with a cam. The upper half-cage and lower half-cage have a first collapsed configuration which has a thin, flat, rectangular envelope and a second expanded configuration. The half-cages have at least one ramped surface on which ...

06/01/06 - 20060116766 - Anterior lumbar interbody implant
An intersomatic implant for insertion in the intervertebral space defined between two adjacent lumbar vertebrae, referred to as an overlying vertebra and an underlying vertebra, reestablishes the anatomical shape of the intervertebral space. The implant includes spacer ramps extending between anterior and posterior transverse walls so as to project above ...

05/25/06 - 20060111782 - Spinal plug for a minimally invasive facet joint fusion system
A frustum shaped body has an aperture in a top surface and a pair of first and second opposed apertures in a side surface, first and second horizontal internal channels connect both the first and second opposed apertures. A vertical channel from the top aperture connects with the first and ...

05/25/06 - 20060111781 - Implant device used in minimally invasive facet joint hemi-arthroplasty
A metallic inverted L-shaped implant is used to resurface the superior facet of the inferior vertebrae limited to the facet joints located on the spine, Occiput-C1 through L5-S1. The metallic implant is highly polished on its exterior and textured on its interior surface. It is mechanically crimped in place without ...

05/25/06 - 20060111780 - Minimally invasive facet joint hemi-arthroplasty
A minimally invasive facet joint hemi-arthroplasty method using a unique metallic overlay, instrumentation and surgical protocol to resurface the superior facet of the inferior vertebrae limited to the facet joints located on the lumbar spine, Occiput-C1 through L5-S1. Using related new instrumentation and a surgical protocol invented to prepare the ...

05/25/06 - 20060111779 - Minimally invasive facet joint fusion
A minimally invasive facet joint fusion including a method, instrumentation and autograft, cadaveric allograft or FDA approved pre-made, pre-shaped synthetic cortical bone grafts consistent with the description and Claims herein for use in minimally invasive, outpatient, arthroscopic spine surgery or classic open surgery and, more specifically, to fuse spinal facet ...

05/18/06 - 20060106460 - Intervertebral implant for transforaminal posterior lumbar interbody fusion procedure
An intervertebral implant for fusing vertebrae is disclosed. The implant has a body with curved, substantially parallel posterior and anterior faces separated by two narrow implant ends, superior and inferior faces having a plurality of undulating surfaces for contacting upper and lower vertebral endplates, and at least one depression in ...

05/18/06 - 20060106459 - Bone treatment systems and methods
A system for treating an abnormal vertebral body such as a compression fracture. In an exemplary embodiment, the system includes a biocompatible flow-through implant structure configured with a three-dimensional interior web that defines flow openings therein for cooperating with a two-part hardenable bone cement. The flow-through structure is capable of ...

05/11/06 - 20060100708 - Method for implanting cervical intervertebral disk prosthesis
A cervical intervertebral disk prosthesis has two cover plates, at least one of which is provided with a wedge-shaped connection surface for connection to a vertebral body and which is wider than it is deep. The dorsal edge of the connection surface may be set back from the dorsolateral edge ...

05/11/06 - 20060100707 - Prostheses, tools and methods for replacement of natural facet joints with artificial facet joint surfaces
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The cephalad prostheses are adapted and configured to be attached to a lamina portion of a vertebra without blocking a pedicle portion of the cephalad vertebra. In some embodiments, the prosthesis is attached with a non-invasive support ...

05/11/06 - 20060100706 - Stent systems and methods for spine treatment
Stent systems and methods for expanding and deploying stents in hard tissue such as bone, more particularly within a vertebral body. One exemplary method includes using a stent body that is coupled to a high speed rotational motor with the stent expandable and detachable from an introducer working end. In ...

05/11/06 - 20060100705 - Intervertebral spacer
An interbody spacer for insertion between vertebral members. The spacer includes a body having posterior and anterior sides, and inferior and superior faces. The spacer further includes a plurality of teeth to maintain the position of the spacer between the vertebral members. The teeth are aligned in a pattern and ...

04/27/06 - 20060089718 - Interspinous process implant and method of implantation
Systems and method in accordance with embodiments of the present invention can includes an implant having a spacer with an expandable portion. An insert can be positioned within a groove of the spacer to distract the expandable portion away from the main portion of the spacer. The expandable portion can ...

04/27/06 - 20060089717 - Spinal prosthesis and facet joint prosthesis
A lumbar disc prosthesis is provided including a pair of disc members. The first member of the disc pair has a vertebral disc contact surface and a recessed portion on an opposing surface thereof. The second member of the disc pair has a vertebral disc contact surface and a protruding ...

04/27/06 - 20060089716 - Surgical implant
A surgical implant includes a first end plate having a substantially X-shaped configuration. A second end plate is spaced apart for the first end plate. A central longitudinal axis centrally extends between the first end plate and the second end plate. Four spaced apart beams extend from the first end ...

04/27/06 - 20060089715 - Implants and methods for treating bone
An orthopedic implant comprising a deformable, expandable implant body configured for treating abnormalities in bones, such as compression fractures of vertebra, necrosis of femurs and the like. An exemplary implant body comprises a small cross-section threaded element that is introduced into a bone region and thereafter is expanded into a ...

04/27/06 - 20060089714 - Intervertebral implant and rachis stabilization device
An intervertebral implant has two-plates intended to come into contact with a patient's vertebral end-plates. One of the plates has a cut-out delineating webs converging toward a zone where the plates are connected to one another. ...

04/20/06 - 20060085072 - Implantable orthopedic device component selection instrument and methods
The present invention provides tools and methods designed to aid in the placement of artificial facet joints at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing an artificial cephalad facet joint including a fixation measurement element and a support arm element. This ...

04/20/06 - 20060085071 - Intervertebral implant
An intervertebral implant having a three-dimensional body (10) and a securing plate (1). The three-dimensional body (10) includes an upper side (1) and an underside (2) which are suitable for abutting the end plates of two adjacent vertebral bodies, a left side surface (3) and a right side surface (4), ...

04/20/06 - 20060085070 - Systems and methods for posterior dynamic stabilization of the spine
Devices, systems and methods for dynamically stabilizing the spine are provided. The devices include an expandable spacer having an undeployed configuration and a deployed configuration, wherein the spacer has axial and radial dimensions for positioning between the spinous processes of adjacent vertebrae. The systems include one or more spacers and ...

04/20/06 - 20060085069 - Systems and methods for posterior dynamic stabilization of the spine
Devices, systems and methods for dynamically stabilizing the spine are provided. The devices include an expandable spacer or member having an unexpanded configuration and an expanded configuration, wherein the expandable member in an expanded configuration has a size, volume and/or shape configured for positioning between the spinous processes of adjacent ...

04/20/06 - 20060085068 - Spine microsurgery techniques, training aids and implants
A minimally invasive, fluoroscopically guided system is disclosed for stabilizing the articular facet joints of adjacent vertebrae. Ring and dowel implants are disclosed for installation into the facet joint. The invention includes a novel spine surgical training aid used in the initial surgeon training process for refreshing the surgeon's perspective ...

04/20/06 - 20060085067 - Intervertebral implant
An intervertebral implant includes an essentially tubular body which is made from a biocompatible solid material. The body includes a large inner cavity which is defined by upper and lower walls, lateral walls, a front wall, and a rear wall, the rear wall having a tapped axial hole. A replaceable ...

04/13/06 - 20060079962 - Expandable implant with expander
An at least in part cylindrical threaded interbody spinal fusion implant having an expandable height. ...

04/13/06 - 20060079961 - Implant with trailing end adapted to receive bone screws
A spinal fusion implant for insertion between adjacent vertebral bodies has opposed upper and lower surfaces adapted to contact each of the adjacent vertebral bodies from within the disc space, a leading end for insertion between the adjacent vertebral bodies, and a trailing end opposite the leading end. The trailing ...

04/06/06 - 20060074488 - Bone fixation and fusion device
Disclosed is a bone fusion cage that contains bone graft and is implanted between bones in a skeletal system. The cage bears structural loads that are transmitted through the bones of the skeletal system and at least partially shields the contained bone graft from the structural loads. The cage is ...

03/23/06 - 20060064168 - Prosthesis for bridging a vertebral body
Prosthesis for the partial replacement of a vertebral body, with an upper contact plate (5) for connection to an upper vertebral body (1), a lower contact plate (6) for connection to a lower vertebral body (2), and a bridging part (7) which connects the upper and lower contact plates (5, ...

03/23/06 - 20060064167 - Prosthesis for partial replacement of a vertebral body
A prosthesis for partial replacement of a vertebral body includes upper and lower contact plates that contact upper and lower vertebral bodies and a bridging element to be inserted into a bone cavity that bridges an intermediate vertebral body to be replaced that lies between the upper and lower vertebral ...

03/23/06 - 20060064166 - Interspinous process implant including a binder and method of implantation
Systems in accordance with embodiments of the present invention can include an implant comprising a spacer for defining a minimum space between adjacent spinous processes, a distraction guide for piercing and distracting an interspinous ligament during implantation, and a binder for limiting or preventing flexion motion of the targeted motion ...

03/23/06 - 20060064165 - Interspinous process implant including a binder and method of implantation
Systems in accordance with embodiments of the present invention can include an implant comprising a spacer for defining a minimum space between adjacent spinous processes, a distraction guide for piercing and distracting an interspinous ligament during implantation, and a binder for limiting or preventing flexion motion of the targeted motion ...

03/16/06 - 20060058878 - Radially expanding implants
Orthopedic implants being at least in part radially expandable at one of the leading or trailing ends to expand both the height and at least a portion of the width of the implant, and instruments and methods for inserting the implants into an implantation space are disclosed. ...

03/16/06 - 20060058877 - Intervertebral implant
The invention relates to an intervertebral implant comprising a lower implant part, having a central axis and an apposition section, designed to rest against the covering surface of the adjacent lower vertebra and an upper implant part comprising a bore with an internal thread, a central axis and an apposition ...

03/16/06 - 20060058876 - System and method for spinal fusion
The current invention is directed to a system and method for fusing two adjacent vertebrae. In one embodiment, the vertebrae are fused by inserting a self-broaching interbody apparatus into a disc space without the need for separately drilling and broaching. The self-broaching interbody apparatus may include cutting flutes or other ...

03/09/06 - 20060052870 - Methods and apparatus to prevent movement through artificial disc replacements
This invention is directed to improved methods and devices to attach arthroplasty devices, particularly the spine, distract the disc space, machine the disc space to improve the fit between ADRs and the vertebrae, to hold and remove ADRs, and to facilitate spinal fusion for a failed ADR surgery. One aspect ...

02/23/06 - 20060041311 - Devices and methods for treating facet joints
The invention discloses methods and devices for repairing, replacing and/or augmenting natural facet joint surfaces and/or facet capsules. ...

02/16/06 - 20060036324 - Adjustable spinal implant device and method
A spine implant, in particular a stabilization or distraction device, is provided with an adjustable length. ...

02/16/06 - 20060036323 - Facet device and method
A spine prosthesis is provided and in particular, related to the facet joint of a spine. ...

02/16/06 - 20060036322 - Systems and methods for the fixation or fusion of bone
Various bone fixation/fusion devices are sized and configured to be placed across fracture fragments or between bones that are to be fused. ...

02/16/06 - 20060036321 - Vertebral column implant consisting of bone material
The invention relates to a vertebral column implant for intercorporal fusion to the vertebral column. Said implant consists of a body produced from preserved bone material, whose size is adapted to the vertebral interstice between adjacent vertebrae that is formed once the vertebral interbody has been removed. The vertebral column ...

02/09/06 - 20060030943 - Expandable spinal implant having interlocking geometry for structural support
An expandable spinal implant including at least two expandable branch portions extending generally along a longitudinal axis and each including a fixed end portion and an opposite movable end portion with the fixed end portions coupled together adjacent a base portion of the implant. A first of the branch portions ...

02/02/06 - 20060025861 - Synthetic reinforced interbody fusion implants
Interbody fusion implants that include a load bearing body composed of a calcium phosphate material hardened around one or more structural reinforcing members are provided. The reinforcing members aid the load bearing body in resisting bending forces and, in certain forms of the invention, aid in preventing expulsion of the ...

02/02/06 - 20060025860 - Body augmenter capable of being planted through a pedicle for vertebral body reconstruction
A pedicle augmenter is provided for reconstruction of a vertebra subjected to loss of bone mass or fracture, and is to be planted into the vertebra from a pedicle of the vertebra for helping maintain or restore normal position and size of the vertebra. Through the pedicle, a device, fit ...

01/19/06 - 20060015183 - Skeletal reconstruction device
A spinal column reconstruction device is disclosed including at least two bone surface engagement portions, each for fixation to distinct vertebral bone portions, a mobile portion of the device positioned between the two bone surface portions and providing for movement therebetween, and a motion limiter portion generally fixing the bone ...

01/19/06 - 20060015182 - Patch material for intervertebral disc annulus defect repair
A patch for repairing defects in a intervertebral disc annulus, including a substantially thin layer of animal collagen arranged in a substantially circular shape, a fabric layer disposed beneath the layer of animal collagen and coupled to the layer of animal collagen by biological glue, a barrier layer of liquid ...

01/12/06 - 20060009849 - Facet arthroplasty devices and methods
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures. ...

01/12/06 - 20060009848 - Facet arthroplasty device and methods
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures. ...

01/12/06 - 20060009847 - Facet arthroplasty devices and methods
A prosthesis system replaces facet joints on adjoining vertebral bodies. The prosthesis system employs a caudal prosthesis for fixation to a first vertebral body and a cephalad prosthesis for fixation to the second vertebral body. The caudal and cephalad prostheses have, respectively a first artificial caudal facet joint structure and ...

01/12/06 - 20060009846 - Flexible systems for spinal stabilization and fixation
Systems for spinal stabilization and fixation replace, reconstruct or augment the spinal ligamentous and/or bony tissues resected during surgical procedures. The spinal stabilization system includes at least an implant configured to span the intervertebral disc space with at least one of its ends attached to a respective vertebral body by ...

01/12/06 - 20060009845 - Method and device for kinematic retaining cervical plating
A spinal implant assembly for replacing intervertebral elements between a first spinal vertebra and an adjacent second spinal vertebra includes an intervertebral implant for inserting between the first and second spinal vertebrae and a first kinematic retaining plate. The intervertebral implant comprises a body having a top surface, a bottom ...

01/12/06 - 20060009844 - Implant
In order to improve an implant, in particular a bone replacement implant for insertion into a bone cavity, or an intervertebral implant for insertion between two adjacent vertebral bodies of a human or animal spine, which can be brought from a normal position, in which the implant encompasses a maximum ...

01/05/06 - 20060004451 - Facet joint replacement
A prosthesis for the replacement of a diseased or traumatized facet of a mammalian vertebra includes a surface that articulates with another prosthetic facet or a natural facet, a portion that replaces at least a bony portion of the diseased or traumatized spine facet which is to be replaced, and ...

01/05/06 - 20060004450 - Osteogenic fusion device
An interbody osteogenic fusion device is provided that includes opposite end pieces with an integral central element. The end pieces are sized to maintain the height of an intervertebral disc space. The central element has a much smaller diameter so that the osteogenic fusion device forms an annular pocke around ...

01/05/06 - 20060004449 - Facet joint replacement
A prosthesis for the replacement of a diseased or traumatized facet of a mammalian vertebra includes a surface that articulates with another prosthetic facet or a natural facet, a portion that replaces at least a bony portion of the diseased or traumatized spine facet which is to be replaced, and ...

01/05/06 - 20060004448 - Multi-joint implant
Methods and devices are provided for repairing or replacing damaged, injured, diseased, or otherwise unhealthy posterior elements, such as the facet joints, the lamina, the posterior ligaments, and/or other features of a patient's spinal column. In one exemplary embodiment, an implant is provided having an anterior portion that is adapted ...

01/05/06 - 20060004447 - Adjustable posterior spinal column positioner
Height-adjustable devices suitable for insertion between posterior spinal processes that allow the surgeon to post-operatively adjust the height of the implant. ...

12/29/05 - 20050288788 - Intervertebral implant and associated method
An intervertebral implant. The intervertebral implant includes a hollow body formed by first and second side walls and first and second end walls. The first side wall defines an engagement groove adjacent the first end wall for engaging an arm of an implant tool. ...

12/22/05 - 20050283239 - Two part intersomatic implant
A spinal implant comprising a hollow body having a leading end, a trailing end and a pair of lateral walls extending from the leading end to the trailing end, the lateral walls including concave, non-threaded inner surfaces defining an internal space of the hollow body. The implant includes an anchoring ...

12/22/05 - 20050283238 - Facet arthroplasty devices and methods
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures. ...

12/22/05 - 20050283237 - Artificial spinal disk replacement device with staggered vertebral body attachments
An intervertebral disk implant is described that has flanges designed to maximize mechanical strength, and at the same time is designed to provide for spatial complementarity of the flanges. In this regard, multiple devices can be implanted between consecutive intervertebral spaces, since the spatially complementary configuration of the flanges allow ...

12/22/05 - 20050283236 - Intervertebral cage with medial fixing plate
An intervertebral cage for treating degeneration of the spine includes a block, an anchor member with a pivot and two blades secured to the pivot, a device for mounting the pivot to turn relative to the block and a hole in the block, a slot in the block, where the ...

12/15/05 - 20050278026 - Expandable intervertebral implant with wedged expansion member
An artificial functional spinal unit including an expandable intervertebral implant that can be inserted via a posterior surgical approach and used with one or more facet replacement devices to provide an anatomically correct range of motion is described. Lordotic and non-lordotic expandable, articulating implants and cages are described, along with ...

12/08/05 - 20050273168 - Two part intersomatic implant
A spinal implant includes a hollow body having a pair of lateral braches extending from a leading end to a trailing end of the hollow body. The branches have opposing concave, non-threaded inner surfaces defining an internal space of the hollow body and outer surfaces defining an outer dimension of ...

12/08/05 - 20050273167 - Surgical measurement and resection framework
A frame is attachable to first and second bone portions of a patient to facilitate measurement and resection of one or more bony landmarks. The frame has two anchoring features, each of which has a semispherical surface that permits rotational adjustment of the frame against the bone portions until the ...

12/08/05 - 20050273166 - Expandable spinal stabilization device
The present invention relates to an expandable spinal stabilization device that may be inserted into the space between two vertebrae, normally occupied by a disc, in order to stabilize the spine during and after spinal fusion procedures. The invention also relates to a method for using the device. The device ...

12/01/05 - 20050267579 - Implantable device for facet joint replacement
Cephalad and caudal vertebral facet joint prostheses and methods of use are provided. The prostheses provide an artificial facet joint structure including an artificial articular configuration unlike the preexisting articular configuration. The radii and material stress values of the prostheses are configured to sustain contact stress. The cephalad prosthesis provides ...

12/01/05 - 20050267578 - Ratcheted bone dowel having smooth sides and method for use thereof
An interbody spinal implant for insertion at least in part into an implantation space formed across a disc space between adjacent vertebral bodies of a human spine and into at least a portion of the endplates of the vertebral bodies. The implant includes a body having a leading end for ...

12/01/05 - 20050267577 - Methods for treating the spine
Described are methods for therapeutically treating the spine that involve the implantation of a medical device, such as a fusion cage, disc nucleus implant, or artificial disc, that transmits loads to a volume of bone tissue of the spine, and the reinforcement of that volume of bone tissue to decrease ...

11/24/05 - 20050261771 - Intervertebral allograft spacer
An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The ...

11/24/05 - 20050261770 - Crossbar spinal prosthesis having a modular design and related implantation methods
An adaptable spinal facet joint prosthesis, including a pedicle fixation element; a laminar fixation element; and a facet joint bearing surface having a location adaptable with respect at least one of the pedicle fixation element and the laminar fixation element. The invention also includes a method of implanting an adaptable ...

11/24/05 - 20050261769 - Artificial expansile total lumbar and thoracic discs for posterior placement without supplemental instrumentation and its adaptation for anterior placement of artificial cervical, thoracic and lumbar discs
A total artificial expansible disc having at least two pairs of substantially parallel shells, which move in multiple directions defined by at least two axes, is disclosed. Several methods for implanting the total artificial expansile disc are also disclosed. The total artificial expansile disc occupies a space defined by a ...

11/24/05 - 20050261768 - Interspinous spacer
A method of providing an interspinous spacer between adjacent spinous processes includes: (a) providing a spacer that is configurable to a collapsed configuration and to an expanded configuration, where the collapsed configuration presents an implantation profile that is at least 10% smaller than the corresponding profile when the spacer is ...

11/17/05 - 20050256575 - Methods of inserting conically-shaped fusion cages
A method of promoting fusion of adjacent vertebral bodies include providing a conically-shaped cage body having bone engaging projections on an outer surface thereof, the cage body including a leading end having a first diameter and a trailing end having a second diameter that is larger than the first diameter. ...

11/17/05 - 20050256574 - Intervertebral allograft spacer
An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The ...

11/10/05 - 20050251258 - Vertebral interbody spacer
A spinal fusion interbody spacer device has a solid central core positioned between laterally opening opposed concave side surfaces. The device includes spaced apart superior and inferior abutment surfaces which are convexly arced. The spacer device is implanted between a pair of adjacent vertebrae by insertion in a tipped-over orientation ...

11/10/05 - 20050251257 - Spinal implants with body and insert
A spinal implant is provided which maintains intervertebral spacing and stability within the spine. The spinal implant may include a body and an insert. The body of the spinal implant may be formed of a ceramic material. In some embodiments, the body may be formed of beta tricalcium phosphate. The ...

11/10/05 - 20050251256 - Facet arthroplasty devices and methods
A prosthesis replaces all or a portion of a cephalad portion of a natural facet joint (i.e., an inferior articular process) on a vertebral body. The prosthesis has a prosthesis body that accommodates fixation to the vertebral body at or near a pedicle and without support by a lamina. The ...

11/03/05 - 20050246023 - Disc shunt for treating back pain
The intervertebral disc is avascular. With aging, nutrients and oxygen transporting through the endplates diminish. The disc degenerates, and pain ensues. Conduits are delivered through a pedicle or vertebral body into the intervertebral disc to re-establish the exchange of nutrients and waste between the disc and bodily circulation to slow, ...

11/03/05 - 20050246022 - Artificial intervertebral disc having a universal joint
An artificial intervertebral implant including a first baseplate having a top surface, a bottom surface, an aperture extending therethrough and a strap attached to the bottom surface of the first baseplate and underlying the aperture. The implant further includes a second baseplate juxtaposed with the first baseplate. The second baseplate ...

11/03/05 - 20050246021 - Compressed porous materials suitable for implant
A high strength porous polymeric material manufactured by a compression process is disclosed. The material results in a network of interconnected collapsed pores, which forces thin overlapping walls and passages to be created. The network provides permeable access for fluid migration throughout the material. The strength and/or permeability are advantageous ...

10/27/05 - 20050240268 - End member for a bone fusion implant
An end member for use with a bone fusion implant is disclosed. The end member has a first portion, a second portion, and a shoulder connecting the two portions. The second portion is sized to fit within the interior of the bone fusion implant in such a fashion that the ...

10/27/05 - 20050240267 - Allograft implant
An allogenic implant for use in intervertebral fusion is formed from one or more two pieces. The pieces are made from bone, and are joined together to form an implant having sufficient strength and stability to maintain a desired distance between first and second vertebrae in a spinal fusion procedure. ...

10/27/05 - 20050240266 - Crossbar spinal prosthesis having a modular design and related implantation methods
Modular spinal prosthesis having one of both of adaptable and configurable components is provided. The modular spinal prosthesis described herein provides an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements. ...

10/27/05 - 20050240265 - Crossbar spinal prosthesis having a modular design and related implantation methods
Modular spinal prosthesis having one of both of adaptable and configurable components are provided. The modular spinal prosthesis described herein provide an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements. ...

10/27/05 - 20050240264 - Anti-rotation fixation element for spinal prostheses
Prostheses, systems, and methods are provided for replacement of natural facet joints between adjacent vertebrae with vertebral prostheses. A portion of the vertebral prosthesis includes anti-rotation and/or anti-pullout elements to prevent or reduce prosthesis fastener rotation or pull out as a result of torques applied to the prosthesis. Various tools ...

10/20/05 - 20050234552 - Facet arthroplasty devices and methods
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures. ...

10/20/05 - 20050234551 - Method and apparatus for spine joint replacement
A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis. ...

10/20/05 - 20050234550 - Vertebral body placeholder
The invention relates to a vertebral body placeholder having a cylindrical inner body (14), which can be telescopically inserted into a coaxially arranged sleeve-shaped outer body (16). A detent device that works in one direction is arranged between the inner body (14) and the outer body (16). A number of ...

10/13/05 - 20050228499 - Low profile fusion cage and insertion set
A bone fusion implant system including a first implant body having substantially flat top and bottom surfaces for engaging opposing vertebrae and a side wall extending between the top and bottom surfaces, the side wall including a concave recess and a second implant body having substantially flat top and bottom ...

10/13/05 - 20050228498 - Osteoconductive integrated spinal cage and method of making same
The spinal cage comprises a structural component having sufficient strength to withstand the compressive loading between vertebral bodies. The structural component is integrated with an osteoconductive component to facilitate bone growth between the vertebral bodies. The structural component may comprise any of PEEK, PEKK, or other structural material. The osteoconductive ...

10/13/05 - 20050228497 - Artificial disc replacements with natural kinematics
This invention improves upon prior aft total disc replacements (TDRs) by more closely replicating the kinematics of a natural disc. The preferred embodiments feature two or more fixed centers of rotation (CORs) and an optional variable COR (VCOR) as the artificial disk replacement (ADR) translates from a fixed posterior COR ...

10/06/05 - 20050222682 - Cervical intervertebral prosthesis
Cervical intervertebral prosthesis with at least one cover plate (3, 4) to be connected to one of the two adjacent vertebral bodies (1, 2), and with a securing plate (12) which secures this cover plate (3, 4) and is to be fastened to the ventral surface of the vertebral body ...

10/06/05 - 20050222681 - Devices and methods for minimally invasive treatment of degenerated spinal discs
Spinal stabilization devices and their methods of insertion and use to treat degenerated lumbar, thoracic or cervical spinal discs in minimally invasive, outpatient procedures are described. In one embodiment, the spinal stabilization device is an expandable cage made of a coil or perforated cylindrical tube with a bulbous or bullet-shaped ...

09/29/05 - 20050216085 - Method for using lordotic guard with moveable extensions for creating an implantation space posteriorly in the lumbar spine
A lordotic guard and method for guiding a bone removal device to form an implantation space in the human spine and, if desired, for inserting a spinal implant into the implantation space. ...

09/29/05 - 20050216084 - Collapsible, rotatable, and tiltable hydraulic spinal disc prosthesis system with selectable modular components
A modular hydraulic spinal intervertebral prosthetic device offering individualized optimization of an implantable disc prosthesis by having selectable crown plates modules with differing lordosis angles and differing cross-sectional profiles, and selectable bellows cartridges having differing load-bearing capabilities. The device offers substantially full physiological degrees of motion, and by the incorporation ...

09/29/05 - 20050216083 - Method for inserting a fusion cage having a height substantially the same as the height between adjacent vertebral endplates
An interbody spinal fusion implant for insertion across a disc space between adjacent vertebral bodies of a human spine has a body two top side and two bottom side junctions, with at least a pair of diagonally opposed junctions having a distance therebetween that does not significantly exceed the implant ...

09/29/05 - 20050216082 - Threaded intervertebral implant
A threaded intervertebral implant or cage which includes a cylindrical or tapered body made from a biocompatible metal such as titanium, or a radiolucent plastic material. The cage includes a pair of opposing, threaded arcuate contact portions oriented in the superior/inferior direction for threading, supporting engagement with the endplates of ...

09/29/05 - 20050216081 - Arthroplasty spinal prosthesis and insertion device
An arthroplasty spinal prosthesis with first and second vertebra contacting members that are configured for engaging opposing vertebrae An articulation is supportively associated with the contacting members to allow relative pivotal and translational motion therebetween over anterior-posterior and lateral pivotal axes, and over anterior-posterior and lateral translational axes. This motion ...

09/22/05 - 20050209695 - Vertebroplasty method
By providing an elastic form stable material which is capable of being delivered directly to a specific desired location within a living creature and provides increased strength and rigidity to the injected location, disorders of the vertebrae of a living creature, for example disorders derived from osteoporosis, are able to ...

09/22/05 - 20050209694 - Artificial spinal joints and method of use
An artificial spinal joint, consisting of a flexible or rigid member or a pair of moveably-joined, flexible or rigid segments, is formed into a spring-like shape, whose distal ends have feet with slots through which screws can be inserted to attach the artificial joint to vertebra whose facets (joints) are ...

09/22/05 - 20050209693 - Spinal implants
A spinal implant includes a bone implant body having a superior end face, an inferior end face, and an outer sidewall extending between each end face. There are at least two flat sidewall portions on the outer sidewall to enhance the gripping of a gripping instrument. In a first embodiment, ...

09/15/05 - 20050203626 - System and method for stabilizing a prosthetic device
A motion-preserving implant device for insertion between two bones is disclosed. The motion-preserving implant includes a first plate for engaging with a first bone and a second plate for engaging with a second bone. An articulation member is positioned between the two plates and a motion-controlling member attached to one ...

09/15/05 - 20050203625 - Device and method for lumbar interbody fusion
A method for performing percutaneous interbody fusion is disclosed. The method includes the steps of inserting a guide needle posteriorly to the disc space, inserting a dilator having an inner diameter slightly larger than the outer diameter of the guide needle over the guide needle to the disc space to ...

09/15/05 - 20050203624 - Dynamized interspinal implant
An interspinous process having a general horseshoe shape, a cushion element within the horseshoe and a porous coating on its outer surface. ...

09/08/05 - 20050197700 - Facet joint prosthesis and method of replacing a facet joint
A prosthetic device for replacing a facet joint in the spine of a patient is provided. The prosthetic device includes an anchoring member and a plate member rotatably and pivotably connected to each other by a ball and socket mechanism. The anchoring member is preferably in the form of a ...

09/01/05 - 20050192669 - Spinal fusion implants and tools for insertion and revision
An interbody fusion device in one embodiment includes a tapered body defining a hollow interior or chamber for receiving bone graft or bone substitute material. The body defines exterior threads which are interrupted over portions of the outer surface of the device. The fusion device includes truncated side walls so ...

08/25/05 - 20050187630 - Modular implant for fusing adjacent bone structure
A method for facilitating fusion of bone structures includes providing an implant member for positioning between opposed bone structures, the implant member having a first end and a second end, and a segmentable portion having an outer wall defining an internal cavity for reception of bone growth inducing substances. The ...

08/25/05 - 20050187629 - Hemi-artificial contoured spinal fusion implants made of a material other than bone
An interbody spinal implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a leading end that includes at least a portion of an arc of a circle from ...

08/25/05 - 20050187628 - Artificial spinal fusion implant with asymmetrical leading end
An interbody spinal implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a leading end that includes at least a portion of an arc of a circle from ...

08/25/05 - 20050187627 - Intervertebral spacer having a flexible wire mesh vertebral body contact element
A porous intervertebral spacer having a flexible wire mesh as a vertebral body contact surface, the flexible wire mesh preferably being a convex titanium mesh laser-welded at its perimeter to the spacer. The mesh is domed in its initial undeflected conformation, but deflects as necessary during insertion of the spacer ...

08/25/05 - 20050187626 - Osteogenic fusion device
An interbody osteogenic fusion device is provided that includes a rigid elongated central element and a pair of opposing bone engaging members. The device promotes fusion bone growth in the space between adjacent vertebrae. In one aspect, a cylindrical end cap is coupled to one end of the central element. ...

08/25/05 - 20050187625 - Vertebral body replacement apparatus and method
Various embodiments of the present invention relate to an apparatus for vertebral body replacement and methods associated therewith. In one embodiment, a vertebral body replacement apparatus may be used to correct and stabilize the spine (e.g., the thoracolumbar spine (T1-L5)). In another embodiment, a vertebral body (e.g., a diseased and/or ...

08/11/05 - 20050177238 - Radiolucent bone graft
An improved bone graft is provided for human implantation, bone graft includes a substrate block of high strength biocompatible material having a selected size and shape to fit the anatomical space, and a controlled porosity analogous to natural bone. The substrate block may be coated with a bio-active surface coating ...

08/11/05 - 20050177237 - Spinal cage insert, filler piece and method of manufacturing
A spinal cage insert for a spinal cage is provided. The spinal cage insert has a shape suitable to be inserted into and fit closely in an interior of the spinal cage. The insert may comprise a member of the calcium phosphate family. The spinal cage insert may be made ...

08/11/05 - 20050177236 - Intervertebral implant
The intervertebral implant is in the form of a three-dimensional structure (10) comprising (a) a top side (1) and an underside (2) which are designed to rest against the end plates of two adjacent vertebras, (b) a left side face (3) and a right side face (4), (c) a front ...

08/11/05 - 20050177235 - Spinal fusion device
A spinal fusion device for implantation between adjacent vertebrae is formed in the approximate shape of a hollow cube. The device has an upper section and a lower section relatively movable with regard to each other. The sidewalls of the upper section and the lower section terminate in complementary inclined ...

08/04/05 - 20050171607 - Manufactured bone composite implant shaped to conform to a prepared implantation space
The present invention is directed to a major long bone ring implant for insertion into an implantation space formed across a spinal disc between two adjacent vertebral bodies of the spine. The implantation space has a wall portion, lip, or ridge with a flat portion for abutting the leading end ...

08/04/05 - 20050171606 - Method for installation of manufactured implants shaped to conform to a prepared implantation space
The present invention is directed to a major long bone ring implant for insertion into an implantation space formed across a spinal disc between two adjacent vertebral bodies of the spine. The implantation space has a wall portion, lip, or ridge with a flat portion for abutting the leading end ...

08/04/05 - 20050171605 - Cervical prosthesis and instrument set
Cervical prosthesis consisting of a lower cover plate (10) which is to be connected to a lower vertebral body, an upper cover plate (11) which is to be connected to an upper vertebral body, and a prosthesis core (12) which forms a hinged connection between the upper cover plate and ...

07/28/05 - 20050165484 - Artificial disc replacement (adr) fixation methods and apparatus
Artificial disc replacements (ADRs), including ADRs with plate-like extensions, can be bent at the junction of the plate-like extension and the ADR Endplate (EP), which allows customization of the ADR to better fit a patient's vertebrae. A hinge joint allows customization of the ADR to fit a patient's vertebrae better. ...

07/28/05 - 20050165483 - Bone grafts
Spinal spacers 20 are provided for fusion of a motion segment. The spacers include a load bearing member 21 having a wall 22 sized for engagement within a space between adjacent vertebrae to maintain the space and an effective amount of an osteogenic composition to stimulate osteoinduction. The osteogenic composition ...

07/21/05 - 20050159817 - Annulus preserving methods and apparatus for placement of intradiscal devices
Devices such as a cylindrical bone dowel removed from a vertebra or other human or animal bone, alive or deceased are used to fill holes formed through a vertebral body. Synthetic nucleus replacements or biologic tissue and/or cells may be inserted through the hole. Single or multiple solid, gel, or ...

07/21/05 - 20050159816 - Barrel-shaped apparatus for fusing adjacent bone structure
A fusion implant apparatus for facilitating fusion of adjacent bone structures includes a threadless implant member which is positioned between adjacent opposed bone structures. The implant member defines a longitudinal axis and first and second longitudinal ends and has an outer wall which is dimensioned to engage the opposed bone ...

07/21/05 - 20050159815 - Intervertebral spacer
An intervertebral spacer is to be inserted between two vertebral bodies. The intervertebral spacer including a pair of block bodies. Each of the block bodies has an abdominal side portion to be directed to an abdominal side of a patient when inserted in the vertebral bodies and a back side ...

07/21/05 - 20050159814 - Universal interference cleat
A vertebral implant comprises a tubular body sized to fit between two vertebral endplates and a pair of ring-shaped cleat assemblies. Each cleat assembly comprises an outer end wall, an inner end wall, and a side wall which defines a hollow bore. One or more spikes extend from each outer ...

07/21/05 - 20050159813 - Spinal implant construct and method for implantation
A spinal construct and method for implantation is provided which utilizes a spinal implant adapted for insertion within an intervertebral space between an adjacent pair of vertebral bodies, and an elongate member adapted for anchoring to the adjacent vertebral bodies. The spinal implant defines a first transverse dimension and a ...

07/14/05 - 20050154461 - Dual articulating spinal device and method
An artificial spinal joint creates at least a portion of a coupling between a superior vertebra and an inferior vertebra. The artificial spinal joint comprises an anterior joint replacement component extending into an intervertebral disc space between the superior and inferior vertebrae. The artificial spinal joint further comprises a bridge ...

07/14/05 - 20050154460 - Method, system and apparatus for interbody fusion
Methods, systems and apparatus are provided for interbody fusion. In some embodiments, a device is provided for fusing vertebral bodies. The device includes a shell configured to be disposed between a first body and a second body, an injection opening to receive fusing material, and a delivery hole configured to ...

07/14/05 - 20050154459 - Vertebral body replacement apparatus and method
Various embodiments of the present invention relate to an apparatus for vertebral body replacement and methods associated therewith. In one embodiment, a vertebral body replacement apparatus may be used to correct and stabilize the spine (e.g., the thoracolumbar spine (T1-L5)). In another embodiment, a vertebral body (e.g., a diseased and/or ...

07/07/05 - 20050149195 - Modular interbody fusion implant
An interbody fusion device for engagement between vertebrae includes a pair of lateral spacers for spacing the vertebrae, and a connecting member adapted to couple together the lateral spacers when inserted between the vertebrae. The connecting member, individual lateral spacers, or the entire spinal spacer can be made of bone ...

07/07/05 - 20050149194 - Stackable interlocking intervertebral support system
An intervertebral support system, comprising: a center portion having top and bottom recesses; a top portion having a bottom recess, the bottom recess in the top portion interlocking with the top recess in the center portion when the top position is positioned on top of the center portion; and a ...

07/07/05 - 20050149193 - Intervertebral body fusion cage with keels and implantation methods
An intervertebral implant has a fusion body with at least one keel that anchors the implant into cancellous bone of at least one vertebral body. A method for implantation includes lateral implantation of the implant. ...

07/07/05 - 20050149192 - Intervertebral body fusion cage with keels and implantation method
An intervertebral implant has a fusion body with at least one keel that anchors the implant into cancellous bone of at least one vertebral body. A method for implantation includes lateral implantation of the implant. ...

07/07/05 - 20050149191 - Spinal mobility preservation apparatus having an expandable membrane
A spinal mobility preservation apparatus and methods are disclosed. The spinal mobility preservation apparatus may include a proximal body, an intermediate body, a distal body, and an expandable membrane. The proximal body and the distal body secure the mobility preservation apparatus to adjacent vertebral bodies. At least one of an ...

07/07/05 - 20050149190 - Facet arthroplasty devices and methods
Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements, and surgical instruments are used to perform the surgical procedures. ...

07/07/05 - 20050149189 - Intervertebral disk prosthesis
A cervical disk prosthesis includes a ball and socket joint interposed between opposing plates for attaching to adjacent vertebrae. The bearing plate has a dimension in the frontal plane larger than a corresponding dimension of the upper plate for providing a limit stop for the upper plate, and by its ...

07/07/05 - 20050149188 - Anterior spinal implant
An anterior spinal implant includes a superior end face, an inferior end face and a sidewall extending between the superior end face and the inferior end face. The superior end face and the inferior end face are convex. In one application, the superior and inferior end faces are convex. The ...

06/30/05 - 20050143821 - Artificial disc implant
An artificial disc implant includes an upper shell, a lower shell, and a spacer therebetween. The spacer preferably has properties similar to that of a natural spinal disc, while the upper and lower shells form a rigid interface between the implant and the adjacent vertebral bodies. The upper and lower ...

06/30/05 - 20050143820 - Method of laterally inserting an artificial vertebral disk replacement implant with translating pivot point
An implant that can be placed between two vertebrae using a lateral insertion method is described. The implant is characteri