Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor inventions 04/06

20060089703 - Expandable stent and delivery system: An expandable stent and delivery system is provided for enhancing luminal dilation of a blood vessel and treating aneurysms. The delivery system includes proximal, intermediate and distal cylindrical members disposed on and spaced apart along an elongated core member such that first and second gaps are formed. The expandable stent...

20060089701 - In situ molded stent and method and system for delivery: A method for forming a stent in situ involves manipulating a delivery system to provide a mold within a lumen of a living body, and injecting a settable, biocompatible phase invertible composition into the mold. After the biocompatible phase invertible composition is set, the delivery system is removed. The stent...

20060089702 - Sleeve to protect ratcheting stent from interference with guide catheter: A system for delivering a stent having a ratchet mechanism includes a delivery catheter having a movable elastic sleeve. The elastic sleeve covers the ratchet mechanism of the stent and prevents the ratchet mechanism from contacting a guide catheter or the vascular wall, and facilitates retraction of the delivery catheter...

20060089704 - Vascular graft and deployment system: A vascular graft includes a main portion and a branch portion that is coupled to the main portion by an articulating joint. The vascular graft may be inserted into the thoracic aorta with the branch portion positioned within a branch vessel and the main portion positioned within the thoracic aorta....

20060089705 - Drug release coated stent: The present invention is directed to an expandable stent for implantation in a patient comprising a tubular metal body having open ends and a sidewall structure having openings therein and a coating disposed on a surface of said sidewall structure, said coating comprising a hydrophobic biostable elastomeric material and a...

20060089706 - Anti-stenotic method and product for occluded and partially occluded arteries: Methods of artificially lining a vessel, especially an artery, of a medical patient to address the existence of a flow-inhibiting atheroma and to significantly alleviate the probability of restenosis, and the resulting products....

20060089707 - Vascular conduit device and system for implanting: The present invention provides a vascular conduit device including a deformable flange and complementary securing ring in cooperation for securing the device within an aperture defined in a tissue wall. The present invention further provides a system for implanting such a vascular conduit device in a tissue wall. More specifically,...

20060089708 - Venous bi-valve: A replacement venous valve assembly having over-the-wire or other deployable configurations of struts and membranes....

20060089709 - Medical implant with average surface charge density: A medical device for implantation into a host organism is disclosed. The device comprises a surface adapted for contact with body tissue of the host organism and an electrode disposed on at least a portion of the surface. Also the device comprises a power source in direct or indirect electrical...

20060089710 - Biopolymers modified with superoxide dismutase mimics: This invention provides modified biopolymers comprising biopolymers attached to at least one non-proteinaceous catalyst capable of dismutating superoxide in the biological system or precursor ligand thereof. The invention further provides pharmaceutical compositions comprising the modified biopolymer and therapeutic methods comprising administering the modified biopolymer to a subject in need thereof....

20060089711 - Multifilament anchor for reducing a compass of a lumen or structure in mammalian body: A system for reducing a compass of an opening or structure in a mammalian body comprises an anchor having a central aperture, a tensioner having a plurality of openings, and a plurality of filaments, each including a retaining member affixed to a distal portion of the filament. The tensioner is...

20060089712 - Accommodative intraocular lens: The invention concerns an accommodative intraocular lens for capsular bag comprising a central optical part and a peripheral haptic part, the optic part having an forward position for accommodation and a rest position for far vision. The invention is characterized in that the haptic part (20) comprises a radially extending...

20060089713 - Polarization-sensitive vision prosthesis: A vision prosthesis includes a first detector disposed to detect a polarization state of light reflected from a retina, and a controller in communication with the first detector. The controller is configured to receive, from the detector, a measurement signal indicative of the polarization state. In response thereto, the controller...

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...

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...

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....

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...

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...

20060089719 - In situ formation of intervertebral disc implants: Nucleus pulposus implants that are resistant to migration in and/or expulsion from an intervertebral disc space are provided. In one form of the invention, an implant includes a load bearing elastic body surrounded in the disc space by an anchoring, preferably resorbable, biocompatible material which may be in the form...

20060089720 - Dynamic spinal implant or joint replacement: Provided is an implant comprising: a platform; a deformable pad affixed to the platform and adapted to seat two or more bearings; and the two or more bearings. The deformable pad can have a number of neutral positions matching the number of bearings, with the deformability of the pad adapted...

20060089721 - Intervertebral disc prosthesis and methods of implantation: Various materials, constructs, and methods for maintaining an intervertebral space are provided....

20060089722 - Bone prosthesis with multilayer interface: A bone prosthesis has a portion of interface with the bone which comprises a porous layer (2) with cavities (3, 4) having prefixed and reproducible dimensions and arrangement, and at least one osteoinductive layer containing one or more chemical compounds that can stimulate and promote the growth of bone tissue....

20060089724 - High strength osteoarticular allograft and a method of making the same: The instant invention is a high strength osteoarticular allograft and a method of making the same. The high strength osteoarticular allograft of the instant invention includes an osteoarticular allograft having an intramedullary canal and a cancellous bone region, and a filler impregnating the intramedullary canal and a portion of the...

20060089723 - Method for bone augmentation: A method for augmenting bone is provided. In an embodiment, a bone cement is administered, typically directly to the affected bone, and a bone augmentation agent administered, via any suitable means including orally, nasally, transdermally. The bone augmentation agent is chosen to complement the bone cement, to thereby facilitate the...

20060089725 - Liner: The present invention relates to a supporting sleeve for a leg or arm stumps, namely a liner. The liner includes a sleeve made of an elastomeric and electrically insulating material that surrounds the stump starting from the distal end thereof. The sleeve has at least in part a surrounding layer...

20060085057 - Delivery guide member based stent anti-jumping technologies: Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures or a variety of other procedures....

20060085058 - System and method for delivering a biologically active material to a body lumen: A medical device system that is insertable in a body lumen for treating and/or preventing injury to a body lumen wall is disclosed. The system comprises a stent comprising a sidewall having a first edge and a second edge, and a balloon capable of being disposed within the sidewall. The...

20060085059 - Stent having a bridge structure: In a stent intended for implantation in a living body and having a bridge structure in which at least two bridges are coupled to one another at at least one node region on at least one of the bridges near the node region, the section modulus of the bridge varies...

20060085060 - Methods and apparatus for coupling an allograft tissue valve and graft: Improvements to prosthetic heart valves and grafts for human implantation, particularly to methods and apparatus for coupling a prosthetic heart valve with an artificial graft during a surgical procedure to replace a defective heart valve and blood vessel section, e.g., the aortic valve and a section of the ascending aorta,...

20060085061 - Extendible stent apparatus and method for deploying the same: An imageable extendable stent apparatus for insertion into a bifurcating vessel or a vessel opening. The stent apparatus comprises a main stent and a flared stent, which may used individually or in combination with each other. The flared stent may be interlocked with the main stent to provide stent coverage...

20060085062 - Implantable stent with endothelialization factor: A stent is provided in combination with a growth factor, specifically pleiotrophin or an analog or derivative thereof, which promotes endothelialization of the stent and re-endothelialization of the stented region of an injured site in a body lumen. In particular applications, the stent is an endolumenal stent and the growth...

20060085063 - Nano- and micro-scale engineering of polymeric scaffolds for vascular tissue engineering: In one aspect, the invention relates to a synthetic conduit comprising a substantially tubular body comprising substantially circumferential polymer fibers; wherein the body has an exterior surface, an interior surface, and a lumen extending therethrough; and wherein the body has microscale features disposed at the interior surface. In a further...

20060085064 - Medical devices for delivering a therapeutic agent and method of preparation: A device useful for localized delivery of a therapeutic agent is provided. The device includes a structure including a porous polymeric material and an elutable therapeutic agent in the form of a solid, gel, or neat liquid, which is dispersed in at least a portion of the porous polymeric material....

20060085065 - Stent with auxiliary treatment structure: A medical device for treatment of a stenosed body lumen, includes an open-ended cylindrical body carried on a distal end of a catheter for insertion of the device into the body lumen and placement at the stenosed site. The cylindrical body is movable between a collapsed position for insertion into...

20060085066 - Body lumen closure: Method and apparatus implementing and using techniques for body lumen closure, including use of an implantable medical closure device. The device includes a flexible strand defining an arcuate form. The strand is deformable upon implantation from a large cross-section condition to a small cross-section condition and has at least two...

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...

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...

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),...

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...

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...

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...

20060085073 - Medical device systems for the spine: Medical device systems for treating a spine and related methods are described. In some embodiments, a medical device system includes an expandable intradiscal portion configured to be placed between two vertebras, and an expandable first extradiscal portion capable of being in fluid communication with the intradiscal portion....

20060085074 - Medical device systems for the spine: Medical device systems for treating a spine and related methods are described. In some embodiments, a medical device system includes an expandable intradiscal portion configured to be placed between two vertebras, and an expandable first extradiscal portion capable of being in fluid communication with the intradiscal portion....

20060085075 - Polymeric joint complex and methods of use: The invention describes a variety of implantable artificial joint complexes adapted for implantation within a target joint space within a human body. The joint complexes comprise: an expandable joint segment adapted to fit within the target joint space; and at least one of a first cannulated anchor adapted to engage...

20060085077 - Intervertebral implant and associated method: An intervertebral implant and associated method. The intervertebral implant can include a first component having a first articulating surface and a first bone engagement surface for engaging a first vertebra, and a second component having a second articulating surface and a second bone engagement surface for engaging a second vertebra...

20060085076 - Posterior spinal arthroplasty-development of a new posteriorly inserted artificial disc and an artificial facet joint: Lumbar disc and facet joint replacement prosthesis are provided. The lumbar disc prosthesis includes first member having a vertebral disc contact surface and a recessed portion on an opposing surface thereof and a second member having a vertebral disc contact surface and a protruding portion on an opposing surface thereof....

20060085078 - Mobile bearing unicondylar knee prosthesis: A mobile bearing unicondylar tibial knee prosthesis for repairing a damaged knee joint is provided....

20060085079 - Metallic bearings for joint replacement: An orthopedic joint prosthesis comprising a first component having a soft metal bearing surface and a second component having a hard metal bearing surface. The soft metal bearing surface has a hardness of at least about 20 Rc, while the hard metal bearing surface having a hardness greater than the...

20060085080 - Medical device comprising a bio-compatible polymeric product with a layered structure: Disclosed is a method and a medical device comprising a bio-compatible polymeric product with a layered structure comprising at least one upper layer of a first polymeric component, a middle layer of a second polymeric component, and at least one lower layer of a third polymeric component, wherein the chain...

20060085081 - Implants and methods for treating bone: An implant system that includes small cross-section implant elements that can be introduced into targeted bone regions wherein the elements self-assemble into a large cross-section, higher modulus monolith. The implant elements are configured with properties engage one another, such as surface features or magnetic properties. The implants and methods can...

20060085082 - Systems and methods of controlling pressure within a prosthetic knee: The invention in some embodiments relates to systems and methods of controlling pressure within a prosthetic knee. The knee in one embodiment comprises a flexible diaphragm that substantially prevents or mitigates undesirable pressure build-up in a sealed chamber of the knee. The knee in another embodiment comprises a compressible gas...

20060079952 - Delivery system for placement of prosthesis at luminal os: An embodiment of the invention provides a prosthesis delivery system comprising a delivery catheter having an expandable member and a prosthesis carried over the expandable member. The prosthesis includes a radially expandable scaffold section and at least two anchors extending axially from an end thereof, and means for capturing at...

20060079951 - Guide catheter with attached stent delivery system: The invention provides a system and method for treating a vascular condition. The system comprises a guide catheter that includes a central lumen. A stent delivery device that includes a delivery catheter and a stent disposed on the delivery catheter is slidably received in the central lumen. A stop interface...

20060079954 - Geometry and material for high strength, high flexibility, controlled recoil stent: A biocompatible material may be configured into any number of implantable medical devices including intraluminal stents. The biocompatible material may comprise metallic and non-metallic materials. These materials may be designed with a microstructure that facilitates or enables the design of devices with a wide range of geometries adaptable to various...

20060079953 - Medical devices and methods of making the same: Medical devices, such as endoprostheses, and methods of making the devices are disclosed. In some embodiments, an endoprosthesis includes a first portion having a first width, and a second portion having a second width different than the first width, wherein the first and second portions have different grain sizes....

20060079955 - Non-shortening helical stent: A stent may comprise a helically wound ribbon of material. The stent may comprise a plurality of ribbon turns about a longitudinal axis of the stent. Upon expansion of the stent, the diameter of the stent may increase and the number of ribbon turns may decrease. Upon expansion of the...

20060079956 - Bifurcation stent with crushable end and method for delivery of a stent to a bifurcation: A bifurcation stent includes a first end which is deformable or crushable at a lower force than a second end. The crushable first end and more rigid second end of the bifurcation stent allow one end of the stent to remain expanded in tissue supporting configuration in a side branch...

20060079957 - Intraluminal therapeutic patch: The present invention includes systems, methods and apparatus. A system in accord with the present invention may include an intraluminal patch sized to fit within a lumen and an expandable therapeutic delivery device. The patch in this embodiment may have an adhesive region on an exposed surface and a drug...

20060079958 - Balloon expandable stent: The present invention relate to a balloon expandable stent mounted on a balloon catheter, the entire assembly being overcoated with a coherent polymer coating, which is preferably substantially continuous over the circumference and, more preferably, axial length of the stent on the balloon. The polymer coating improves retention of the...

20060079959 - Mask configured to maintain nutrient transport without producing visible diffraction patterns: A mask configured to be implanted in a cornea of a patient to increase the depth of focus of the patient includes an anterior surface, a posterior surface, and a plurality of holes. The anterior surface is configured to reside adjacent a first corneal layer. The posterior surface is configured...

20060079960 - Mask configured to maintain nutrient transport without producing visible diffraction patterns: A mask configured to be implanted in a cornea of a patient to increase the depth of focus of the patient includes an anterior surface, a posterior surface, and a plurality of holes. The anterior surface is configured to reside adjacent a first corneal layer. The posterior surface is configured...

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

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...

20060079963 - Semiconstrained shoulder prosthetic for treatment of rotator cuff arthropathy: A glenoid component for treatment of rotator cuff arthropathy includes attachment to the coracoid process by a pin or post imbedded into a hole formed in the coracoid process. The glenoid component preferably also has a keel for extending into the glenoid fossa and protrusions such as ridges cemented to...

20060079964 - Attachment system for prosthesis: An attachment system secures a residual limb to an artificial limb in a comfortable and substantially non-rotational manner. The attachment system offers proximal anchoring of the residual limb in a hard socket, by connecting a side surface of a residual limb liner to the side surface of the socket. Preferably,...

20060079965 - Quick-release tube clamp for modular lower limb prosthetic systems and method therefor: A quick-release tube clamp and method therefor for locking and releasing a prosthetic pylon/foot component from the socket. The quick-release tube clamp includes a tubular portion, an annular socket portion, and a clamp portion. The tubular portion has a formed slot along a longitudinal length of the tubular portion. The...

20060074474 - Method of performing protected angioplasty and stenting at a carotid bifurcation: A method is described for performing protected angioplasty and stenting of a patient's carotid bifurcation. A self-expanding stent is deployed across a stenosis in the patient's carotid artery. A catheter system that includes a rapid exchange balloon angioplasty catheter with an occlusion balloon catheter positioned through the guidewire lumen is...

20060074476 - Rotatable sheath, assembly and method of manufacture of same: A medical device comprises a catheter having a catheter shaft and a medical balloon positioned thereon, as well as a rotatable assembly disposed about the balloon. The balloon has a pre-expansion state and an expanded state. The rotatable assembly comprises a sheath, wherein the sheath is disposed about the balloon...

20060074475 - Rotating stent delivery system for side branch access and protection and method of using same: A system for treatment of a vessel bifurcation and its method of use comprises a catheter having a catheter shaft, a portion of which is characterized as an axle about which a rotatable assembly is disposed and rotatable thereabout. The system employs a series of lumens, openings and/or ports to...

20060074477 - Self-expanding stent delivery system: A catheter for a self-expanding stent includes a proximal shaft with a longitudinal guide way along the length of the proximal shaft, a guide member for accessing a guidewire lumen defined by the proximal shaft and for drawing a guidewire into and out of the guidewire lumen along the proximal...

20060074478 - Thin film medical device and delivery system: The present invention relates to a delivery system for an intraluminal thin film medical device particularly well suited for occlusion of an aneurysm, vessel side branch or dissection of a body lumen or duct, such as an artery or vein. The delivery system has an outer sheath attached along the...

20060074479 - In vivo sensor and method of making same: Implantable in vivo sensors used to monitor physical, chemical or electrical parameters within a body. The in vivo sensors are integral with an implantable medical device and are responsive to externally or internally applied energy. Upon application of energy, the sensors undergo a phase change in at least part of...

20060074480 - Stent and method for manufacturing the stent: A stent includes a stent body having a circumference and struts disposed helically about the circumference in turns. At least two of the struts have respective strut ends. At least two paddle-shaped markers extend away from a respective one of the strut ends. The markers have respective marker extreme ends...

20060074481 - Graft including expandable cuff: A graft assembly includes a first graft having first and second ends and a second graft having first and second ends. In addition, the graft assembly includes a first cuff attached to the first end of the first graft and a second cuff attached to the first end of the...

20060074482 - Intraluminal stent graft: A method of making an tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the...

20060074483 - Method of treatment and devices for the treatment of left ventricular failure: The effects of acute left ventricular heart failure are mitigated by temporary support of the cardiac function through use of either one or both of an expendable temporary one-way valve positioned in the aorta, having a collapsible frame that is expanded upon deployment, and/or a temporary dilation device positioned in...

20060074485 - Method and apparatus for percutaneous valve repair: Methods and apparatus are provided for valve repair or replacement. In one embodiment, the apparatus is a valve delivery device comprising a first apparatus and a second apparatus. The first apparatus includes a heart valve support having a proximal portion and a distal portion and a heart valve excisor slidably...

20060074484 - Methods and devices for repair or replacement of heart valves or adjacent tissue without the need for full cardiopulmonary support: Methods and systems for endovascular, endocardiac, or endoluminal approaches to a patient's heart to perform surgical procedures that may be performed or used without requiring extracorporeal cardiopulmonary bypass. Furthermore, these procedures can be performed through a relatively small number of small incisions. These procedures may illustratively include heart valve implantation,...

20060074486 - Tissue annuloplasty band and apparatus and method for fashioning, sizing and implanting the same: This invention relates to a system used to fashion, size, and implant a tissue annuloplasty band. This system comprises (1) a device to cut tissue; (2) a device to fashion (i.e., roll, fold, bunch, etc.) the tissue into a band (i.e., the tissue annuloplasty band); and (3) a sizer that...

20060074487 - Intraocular device for the restoring visual accommodation of presbiopic eye: A device for treating an eye affection related to a decrease of ocular accommodation amplitude resulting from loss of tension of the zonular fibers caused by increase in the lens diameter. The device is designed to be surgically implanted in the ciliary sulcus, behind the iris, and configured to compensate...

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...

20060074489 - Peanut spectacle multi discoid thoraco-lumbar disc prosthesis: A disc prosthesis comprises a first prosthetic device comprising a first upper housing and a first lower housing between which at least one first disc element is movably interposed. The disc prosthesis further comprises a second prosthetic device comprising a second upper housing and a second lower housing between which...

20060074490 - Vertebral prosthesis and spinal fixation system: A vertebral prosthesis and spinal fixation system includes a vertebral prosthesis having a height adjustable shaft and an anchoring mechanism coupled to the shaft. The system further includes a spinal fixation device and a number of bone screws. The bone screws attach the fixation device to the vertebral prosthesis via...

20060074491 - Boronized medical implants and process for producing the same: The invention provides metallic medical implants or medical implant parts having a bearing surface comprising a boronized metal layer. The invention further provides a process for producing a medical implant or medical implant part comprising a boronized metal layer....

20060074492 - Endoprosthesis for a metatarsophalangeal joint: An endoprosthesis for a metatarsophalangeal (MTP) joint, especially a basal joint of a large toe, a toe joint or a finger joint, has a prosthesis-half defining a concave or convex prosthetic sliding surface, and means arranged eccentrically with respect to the prosthetic sliding surface of the prosthesis-half for anchoring the...

20060074493 - Systems and methods of loading fluid in a prosthetic knee: The invention in some embodiments relates to systems and methods of loading fluid in a prosthetic knee. A vacuum fill technique is utilized in one embodiment to load magnetorheological fluid within small gaps in a chamber of a prosthetic knee. Advantageously, this allows for an efficient loading scheme thereby desirably...