FREE patent keyword monitoring and additional FREE benefits. http://images1.freshpatents.com/images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
FreshPatents.com Logo FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents


Surgery > Instruments > Orthopedic Instrumentation > Means For Use In Bone Reperation > Joint Distractor

Joint Distractor

Joint Distractor 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 - 20060276801 - Inter-cervical facet implant distraction tool
A distraction tool is disclosed which distracts, and preferably sizes, adjoining facets of a spine for an implant. The tool preferably includes a distraction head that has a first and a second head component. The first head component and the second head component preferably include inter-digitated fingers when the distraction ...

12/07/06 - 20060276800 - Intervertebral disc replacement and surgical instruments therefor
A suite of surgical tools for use in implantation of an intervertebral disc prosthesis is provided. The surgical tools include an external alignment frame (EAF), an annulus incision guide (AIG), a depth gauge, a positioning/alignment block, a disc space distractor, an endplate drill guide (EDG), and a vertebral endplate cutter ...

12/07/06 - 20060276799 - Muscle saving device and method
A method, kit, and system to separate muscle fiber prior to threading pedicle screws. By separating the muscle fiber prior to threading the pedicle screws, the muscle fiber does not need to be cut to place rods, which facilitates minimally invasive surgical methods. ...

11/23/06 - 20060264963 - Vertebral spreading instrument comprising markers
A vertebral spreading instrument for moving apart two vertebrae of a spine includes a plurality of spreading fingers and a spreading mechanism for adjusting a distance between the spreading fingers. The spreading mechanism includes a first and a second part, the first and second parts each including a respective marker ...

11/23/06 - 20060264962 - System and method for spinal implant placement
A posterior spinal fusion system may include a plurality of cannulas that mate with cages polyaxially coupled to pedicle screws. The cannulas maintain access to the pedicle screws to facilitate percutaneous insertion of a fusion rod into engagement with the cages. Each cannula has a pair of blades that may ...

11/02/06 - 20060247651 - Oval dilator and retractor set and method
Access to a greater area of surgical site with minimally invasive procedure is obtained by using two sets of sequentially placed tissue dilators oriented with their axes in a plane parallel to the spinal axis and a final non-circular dilator encompassing the two sets, followed by a non-circular tubular retractor ...

11/02/06 - 20060247650 - Inter-cervical facet joint fusion implant
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 ...

11/02/06 - 20060247649 - Instrument for compression or distraction
An apparatus for use in orthopedic distraction or compression is disclosed. In the illustrated embodiments, two arms are provided that are connected by a rod or bar with a mechanism that enables the arms to be brought toward or away from each other. At the end of each arm, an ...

11/02/06 - 20060247648 - Surgical instrument and method
Embodiments of the invention include devices and methods for manipulating bone. Instruments of some of the embodiments are insertable into a vertebral body or between vertebral bodies to apply forces to the vertebral bodies to strengthen bone or prepare bone to be strengthened. ...

10/26/06 - 20060241643 - Minimally invasive expanding spacer and method
A minimaly invasive spacer for positioning between vertebral members. The spacer is adjustable between a first orientation having a reduced size to facilitate insertion between the vertebral members. A second orientation has an enlarged size for contacting the vertebral members. The spacer includes linkages that are attached to a pair ...

10/26/06 - 20060241642 - Inserting anterior and posterior spinal prostheses
Spinal apparatus including reference structure spatially fixed relative to a plurality of pedicle screws that are mounted in adjacent vertebrae of a patient, and a device connected to the reference structure which is adapted to install an anterior spinal prosthesis, wherein the reference structure defines a spatial relationship between the ...

10/26/06 - 20060241641 - Methods and instrumentation for distraction and insertion of implants in a spinal disc space
Instruments for inserting an artificial disc implant in a space between adjacent bony portions include upper and lower guide members separated by a spreader with an implant positioned forwardly of the spreader. The spreader is movable forwardly between the guide members with a drive member to position the implant in ...

10/26/06 - 20060241640 - Device for dynamic tensioning of a natural or prosthetic knee joint
The device includes at least one femoral insert (8A) with a condyle support surface (20A), for a bone or femoral implant, at least one tibial insert (10A), with a tibial plateau support surface (24A), for a bone or a tibial implant and force introduction element (4A, 30A), for application between ...

10/19/06 - 20060235424 - Implantable bone distraction device and method
A self-contained, implantable bone distraction device is provided. The device is controlled by a programmable microcontroller that communicates with the outside world wirelessly, for example, via radio frequency or infrared. The microcontroller can be instructed, for example, to initiate an immediate distraction, or to stop a distraction in progress. Nitinol ...

10/19/06 - 20060235423 - Apparatus having at least one actuatable planar surface and method using the same for a spinal procedure
A medical device includes a link assembly and an actuating member coupled to the link assembly. The actuating member is configured to actuate the link assembly. A member having a substantially planar surface is coupled to the link assembly. The link assembly is configured to move the member having a ...

10/19/06 - 20060235422 - Bone seperator
A bone spreader includes two tubular pin holders which are connected to one another by a parallel guide system, and two pins that are configured to be connected to the bone parts that are to be spread apart. In order to give the bone parts that are to be spread ...

10/12/06 - 20060229629 - Tissue distraction device
An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces is provided. A plurality of wafers are consecutively inserted using a wafer insertion apparatus between the two tissue surfaces to create a column of wafers. A detachable wafer assembly is provided that includes a base ...

10/12/06 - 20060229628 - Biomedical treatment systems and methods
An apparatus and method for distraction of tissue or bone in a surgery. A method comprises inserting into targeted tissue a distraction device configured with at least one phase transition extendable body. After deployment in a non-extended configuration, the physician applies a stimulus to the body or bodies to cause ...

09/28/06 - 20060217735 - Bone repair device and method
A device for repairing a bone disorder using a polyaxial screw. The device has a pivoted lever mounted rotatably to an extension of a bone screw and which extends essentially at right angles to the longitudinal direction of the extension to which it is mounted and is in contact with ...

09/07/06 - 20060200164 - Method of maintaining distraction of a spinal disc space
Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in ...

08/31/06 - 20060195114 - Method of using a vertebral retainer-distracter
A method for distracting at least two adjacent vertebrae and/or retaining them in a spaced apart position. Anchor screws are secured to the adjacent vertebrae and tubes of a retainer-distracter instrument frame are slid down over the anchor screws, after which the anchor screws are positively secured to the tubes ...

08/24/06 - 20060189999 - Linked slideable and interlockable rotatable components
Medical devices having one or more rotatable linkable components or segments, delivered in a first orientation relative to a component guide into a tissue cavity, such as the interbody vertebral space. After delivery, each segment may be rotated to a second, different orientation relative to the component guide, such as ...

07/27/06 - 20060167461 - Method and apparatus for artificial disc insertion
An anterior method for implanting an artificial disc in an intervertebral space of a human body includes inserting a midline marker in a face of a vertebral body for instrument alignment and artificial disc placement. A kit for implanting an artificial disc in an intervertebral space of a human body ...

07/20/06 - 20060161166 - Tissue distraction device
An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces. A plurality of wafers are consecutively inserted between the two tissue surfaces to create a column of wafers. The column of wafers is oriented between the tissue surfaces so as to expand in the given ...

07/13/06 - 20060155295 - Ligament tensing device with displaceable lug
A ligament tensing device (1) for activating a ligament and/or capsule system during implantation of a joint implant, comprising a base body (2) having a first lug (3) with a distal bearing surface (4) resting upon a first bone, and a second lug (7) resting upon a second bone with ...

07/06/06 - 20060149279 - Methods and devices for interbody spinal stabilization
Methods and instruments for preparing a disc space and for forming interbody devices therein are provided. The instruments include distractors having enlargeable portions positionable in the disc space for distracting the disc space. The enlargeable portions can also provide form about or against which an interbody device of a first ...

07/06/06 - 20060149278 - Devices and methods for inter-vertebral orthopedic device placement
The disclosure relates to devices and methods for implantation of an orthopedic device between skeletal segments using limited surgical dissection. The implanted devices are used to adjust and maintain the spatial relationship(s) of adjacent bones. Depending on the implant design, the motion between the skeletal segments may be increased, limited, ...

07/06/06 - 20060149277 - Knee distractor
The invention relates to a medical instrument (20) comprising a lower plate (22); at least one upper plate (24A, 24B) opposite the lower plate; a spacer means (26) which is disposed between the upper plate and the lower plate and used to permanently hold the upper plate is a substantially ...

06/08/06 - 20060122620 - Systems and methods for stabilizing the motion or adjusting the position of the spine
The present invention provides systems and methods for stabilizing or adjusting the position of at least one spinal motion segment. ...

06/01/06 - 20060116688 - Method and instrumentation for vertebral interbody fusion
A method and instrumentation particularly adapted for disc space preparation from an anterior approach to the spine. In one aspect, an expandable template is provided having guides to guide a cutting device for bilateral formation of openings in the disc space. In another aspect, an improved guide member is provided ...

05/18/06 - 20060106397 - Interspinous distraction devices and associated methods of insertion
In various embodiments, the present invention provides a plurality of novel interspinous distraction devices and associated methods of insertion. The interspinous distraction devices of the present invention are designed and configured to effectively treat such conditions as lumbar spinal stenosis and degenerative disc disease. Advantageously, the interspinous distraction devices of ...

05/11/06 - 20060100635 - Inflatable device for use in surgical protocol relating to fixation of bone
Systems for treating a bone, e.g. a vertebral body, having an interior volume occupied, at least in part, by cancellous bone provide a first tool, a second tool, and a third tool. The first tool establishes a percutaneous access path to bone. The second tool is sized and configured to ...

05/11/06 - 20060100634 - Technique and instrumentation for measuring and preparing a vertebral body for device implantation using datum block
A vertebral endplate preparation assembly is disclosed for preparing an endplate of a single vertebral body in a vertebral column to receive an implant. The assembly comprises a datum block for connecting to the single vertebral body, measuring instruments, and a cutting guide attached to the datum block. A cutting ...

05/04/06 - 20060095043 - Adjustable instrumentation for spinal implant insertion
A plurality of differently configured bone spinal implants for insertion in a spine have a cylindrical bore for receiving an insertion head stud. A plurality of instruments are disclosed each of which have a first connection element which is either a male or female member such as e.g., a ball ...

04/27/06 - 20060089654 - Interspinous distraction devices and associated methods of insertion
In various exemplary embodiments, the present invention provides a plurality of novel interspinous distraction devices and associated methods of insertion. The interspinous distraction devices of the present invention are designed and configured to effectively treat such conditions as lumbar spinal stenosis and degenerative disc disease. Advantageously, the interspinous distraction devices ...

04/20/06 - 20060085007 - Distractable body augmenter capable of being planted through a pedicle for vertebral body reconstruction
A distractable body augmenter is provided for reconstruction of a vertebra subjected to loss of bone mass or fracture, and is planted in the vertebra from a pedicle of the vertebra for helping maintain or restore normal position and size of the vertebra; through the pedicle, the augmenter, fitting the ...

04/06/06 - 20060074432 - Modular medical tool and connector
Modular medical instruments and kits are provided, having, a tool body portion with a first mating element at one end. A removable and replaceable modular end effector having a second mating element is matable with the first mating element. The instrument further includes a selectively engageable locking mechanism having a ...

04/06/06 - 20060074431 - Disc distraction instrument and measuring device
A distraction instrument distracts two adjacent vertebra segments to receive an artificial disc, the instrument including a measurement indication related to a distracted disc space. The measurement indication can be the force required to distract the disc space, the distance between the adjacent vertebra, the lordotic angle of a pair ...

03/16/06 - 20060058807 - Expandable interbody fusion device
An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing ...

03/09/06 - 20060052793 - Instrumentation and methods for vertebral distraction
An instrument for distracting vertebrae includes a shaft assembly and a distraction assembly at a distal end of the shaft assembly. The distraction assembly includes first and second distraction members movable from an unexpanded configuration for insertion toward an expanded configuration to separate the vertebrae. The shaft assembly is movable ...

02/16/06 - 20060036259 - Spine treatment devices and methods
A device and method of spine distraction is provided. ...

02/16/06 - 20060036258 - Sizing distractor and method for implanting an interspinous implant between adjacent spinous processes
Systems and methods in accordance with the present invention can be applied to distract adjacent interspinous processes and measure a distraction height, so that an appropriately sized implant can be positioned between interspinous processes to relieve pain associated with at least one of the spinal column and associated structures. A ...

02/16/06 - 20060036257 - Tibial spacer blocks and femoral cutting guide
The present invention relates to one or more tibial spacer blocks used during knee arthroplasty, each configured to be temporarily positioned upon a resected proximal portion of a tibia (essentially mimicking the tibial component of the knee prosthesis), for performing a range of motion analysis and for checking flexion and ...

02/09/06 - 20060030858 - Methods and devices for retracting tissue in minimally invasive surgery
Minimally invasive methods and devices are described for providing access to a surgical site proximate the anterior region of a patient's spine. In an exemplary embodiment, the device is a cannula that includes a distal end adapted to mate with the anterior surface of a vertebra. An exemplary method includes ...

02/09/06 - 20060030857 - Methods and apparatus for intervertebral disc prosthesis insertion
A method for inserting an intervertebral disc prosthesis into a space between two vertebrae involves inserting the prosthesis partway into the space under constraint to prevent endplates of the prosthesis from articulating, releasing the prosthesis from constraint, and inserting the unconstrained prosthesis farther into the space. In some embodiments, the ...

02/09/06 - 20060030856 - Dual distractor inserter
In one embodiment, there is disclosed a surgical instrument for inserting an implant, the surgical instrument including an inserter assembly and a distractor assembly. ...

01/19/06 - 20060015118 - Bone distraction apparatus
A bone distractor, preferably an alveolar ridge distractor, having first and second bone plates sized and configured to engage opposing bone segments and an interconnecting mechanism operatively associated with the first and second bone plates such that rotation of an activation screw causes the second bone plate to move with ...

01/12/06 - 20060009778 - Methods for treating defects and injuries of an intervertebral disc
A method for treating a herniated spinal disc between opposing vertebral bodies having a damaged outer annulus and an inner nucleus pulposus comprises the steps of: providing access to the nucleus pulposus through the annulus; removing at least a portion of the nucleus pulposus to create an intradiscal space; applying ...

01/12/06 - 20060009777 - Systems and methods for compressing and distracting vertebrae of the spinal column
Spinal surgical systems include a compressor mountable to a first vertebra and positionable relative to a fulcrum mountable to a second vertebra. The compressor and fulcrum are manipulated relative to one another to compress the first and second vertebrae. The systems further include a distractor mountable to a first vertebra ...

12/29/05 - 20050288677 - Spinal surgery distractor with an integrated retractor
A spinal surgery retractor with a slotted keyway for integrating a keyed spinal distractor. This retractor and distractor combination slide together to displace a portion of the intervertebral disk space to restore or maintain intervertebral spacing and facilitate retraction of surrounding soft tissues while disk space surgery is performed. The ...

12/22/05 - 20050283161 - Constant lift cam spreader
A cam spreader having a substantially rigid body with a proximal end defining a handle and a distal end defining a cam. The cam has at least a first lobe, the first lobe having an outer surface in a first quadrant of the cam as viewed in cross section along ...

11/03/05 - 20050245937 - System and method for insertion of an interspinous process implant that is rotatable in order to retain the implant relative to the spinous processes
The present invention is directed to a device that is implanted between the spinous processes of adjacent vertebrae of the spine and used for relieving pain associated with the vertebrae and surrounding tissues and structures by maintaining and/or adding distraction between adjacent vertebrae. The present invention includes a tissue expander ...

09/22/05 - 20050209603 - Method for remediation of intervertebral disks
A method for the implantation of a device made of bioresorbable materials between interspinous processes is described. The implant has a spacer that can be placed between adjacent spinous processes to limit the movement of the vertebrae. Once inserted between interspinous processes, the implant acts to limit extension (backward bending) ...

09/22/05 - 20050209602 - Multi-stage biomaterial injection system for spinal implants
A method and apparatus for fluidly coupling a reservoir containing a flowable biomaterial to a mold. The flow of the flowable biomaterial into the mold is controlled in accordance with a first operating parameter. At least one injection condition is monitored. The flow of the flowable biomaterial is controlled in ...

09/22/05 - 20050209601 - Multi-stage biomaterial injection system for spinal implants
A method and apparatus for fluidly coupling a reservoir containing a flowable biomaterial to a mold. The flow of the flowable biomaterial into the mold is controlled in accordance with a first operating parameter. At least one injection condition is monitored. The flow of the flowable biomaterial is controlled in ...

09/15/05 - 20050203534 - Apparatus for intraoral distraction osteotomy to widen the upper jaw
The present invention provides an improved orthopaedic system for the modification of the distance between the contralateral maxillary segments or halves. In a preferred embodiment, the system includes two metal bone-plates fixed on the bony palatal shelves, with slotted extensions which opposite internal walls have concave indents into which disk-shaped ...

09/15/05 - 20050203533 - Technique and instrumentation for intervertebral prosthesis implantation
An assembly is used for preparing an intervertebral disc space between a pair of vertebral bodies to receive a prosthesis. The assembly comprises a distractor having a first distracting arm and a second distracting arm. The assembly further comprises a first anchoring fastener for movably coupling the first distracting arm ...

09/15/05 - 20050203532 - Technique and instrumentation for intervertebral prosthesis implantation using independent landmarks
An assembly for preparing an intervertebral disc space between a first vertebra and a second vertebra to receive a prosthesis comprises a distractor having a first distraction arm and a second distraction arm. The assembly further includes a first anchoring device attached to both the first distraction arm and the ...

08/25/05 - 20050187559 - Tissue distraction device
An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces is provided. A plurality of wafers are consecutively inserted between the two tissue surfaces to create a column of wafers. The column of wafers is oriented between the tissue surfaces so as to expand in ...

08/25/05 - 20050187558 - Tissue distraction device
An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces. A plurality of wafers are consecutively inserted between the two tissue surfaces to create a column of wafers. The column of wafers is oriented between the tissue surfaces so as to expand in the given ...

08/18/05 - 20050182416 - Spacer with height and angle adjustments for spacing vertebral members
A device having an adjustable height and angle to space vertebral members. The device includes a plurality of links that extend between a plate and a deployer. A first section of the deployer is moved to change the angle of the plurality of links and expand the height of the ...

08/04/05 - 20050171552 - Tissue distraction device
An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces. A plurality of wafers are consecutively inserted between the two tissue surfaces to create a column of wafers. The column of wafers is oriented between the tissue surfaces so as to expand in the given ...

07/28/05 - 20050165407 - Disk arthroplasty instrumentation and implants
The present invention provides methods, surgical instrumentation and artificial implants for performing spinal disk arthroplasty and spinal facet arthroplasty. The surgical instrumentation includes a cutting guide, a distractor and a cutting block. The artificial implants for spinal disk arthroplasty can have either a fixed bearing (constrained or semi-constrained) or a ...

07/14/05 - 20050154396 - Methods and instrumentation for distraction of a disc space
Methods and instrumentation for surgical procedures relating to preparation of vertebral bodies and a disc space for insertion of spinal implants is disclosed. One instrument is a shim having a blade and a shaft having a first end connected with the blade. The blade is inserted into a distracted disc ...

07/14/05 - 20050154395 - Combined distractor and retractor instrument and methods
A surgical instrument for use during a spinal surgery procedure. The surgical instrument being configured to distract two adjacent vertebral elements as retract the nerve root to provide access to the distracted site. The instrument including an elongated blade member having a wing located on an edge of the blade ...

06/30/05 - 20050143747 - Parallel distractor and related methods for use in implanting an artificial intervertebral disc
Instruments and methods for distracting an intervertebral space and inserting and impacting artificial intervertebral discs. A parallel distractor comprising a plying device with attached opposing forks operable to distract an intervertebral space. A method of distracting an intervertebral space comprising the steps of inserting a distractor having opposing forks into ...

06/23/05 - 20050137602 - Method and apparatus for spinal distraction
Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators ...

06/02/05 - 20050119661 - Methods and systems for intraoperative measurement of soft tissue constraints in computer aided total joint replacement surgery
Methods and systems are described to quantitatively determine the degree of soft tissue constraints on knee ligaments and for properly determining placement parameters for prosthetic components in knee replacement surgery that will minimize strain on the ligaments. In one aspect, a passive kinetic manipulation technique is used in conjunction with ...



###

FreshPatents.com Support - Terms & Conditions