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Knee joint prosthesis

Patent Number: 8444705
Publication Date: 2013-05-21
Inventor:

A knee joint prosthesis is adapted for interconnecting a prosthetic lower leg and a prosthetic thigh. The knee joint prosthesis includes a knee seat disposed under and connected to the prosthetic thigh, a connecting seat disposed above and connected to the prosthetic lower leg, a link assembly, and an adjusting unit. The link assembly includes a plurality of links each connected pivotally to the knee seat and the connecting seat in such a manner to allow the knee joint prosthesis to change ...

Enhanced methods for mimicking human gait with prosthetic knee devices

Patent Number: 8444704
Publication Date: 2013-05-21
Inventors: ;

A prosthetic knee provides a single axis of rotation and includes a hydraulic damping cylinder, a microprocessor, and sensors. Based on input from the sensors, the microprocessor selects a flow path within the hydraulic cylinder in order to provide the proper amount of knee resistance to bending for a given situation. The resistance of each flow path within the hydraulic cylinder is manually preset. Changes in gait speed are accommodated by employing a hydraulic damper with intelligently ...

Method of donning a prosthetic limb

Patent Number: 8444703
Publication Date: 2013-05-21
Inventors: ; ; ;

An elevated vacuum locking system for prosthetic limb. An exemplary embodiment may include a plunger pin mounted to a flexible liner and including a through passage between a location proximate the exterior of the liner and a distal end of the plunger pin; a locking mechanism mounted within the distal end of a socket; a manifold mounted to the exterior of the distal end of the socket and including a cavity adapted to receive the distal end of the plunger pin when the patient's residual limb ...

Plunger pin and manifold for a prosthetic limb

Patent Number: 8444702
Publication Date: 2013-05-21
Inventors: ; ; ;

Antimicrobial containment cap for a bone anchored prosthesis mounting

Patent Number: 8444701
Publication Date: 2013-05-21
Inventors: ;

An antimicrobial containment cap is provided for use in a bone anchored prosthesis mounting system of the type having an externally protruding fixator pin carried by all implanted bone anchored mounting post, wherein the fixator pin accommodates removable attachment to an exoskeletal prosthesis such as a prosthetic limb or the like for an amputee. The containment cap, when mounted onto the fixator pin, is interposed between the prosthesis and soft tissue covering the end or stump of an ...

Medical implant and process for the production thereof

Patent Number: 8444700
Publication Date: 2013-05-21
Inventor:

An elongate hollow body (1) comprising crystalline cellulose has on an inside wall a plurality of protuberances (3, 4) which extend into a lumen of the hollow body (1). A process for the production of an elongate hollow body (1) comprising crystalline cellulose comprises the steps: preparation of a hollow mold (12); cultivation of cellulose-forming organisms in an interior space formed by the hollow mold (12), in order to allow the hollow body ...

Method and apparatus for augmenting bone defects

Patent Number: 8444699
Publication Date: 2013-05-21
Inventors: ;

A bone augment for repairing a bone defect. The bone augment includes a porous body and a metallic liner. The porous body defines a bore and is configured to be intraoperatively shaped to correspond to the bone defect. The metallic liner is injection molded within the bore such that portions of the liner interlock with pores of the porous body. The metallic liner is operable to mount an implant to the bone ...

Joint prosthesis with infinitely positionable head

Patent Number: 8444698
Publication Date: 2013-05-21
Inventors: ;

A joint prosthesis includes a bone engaging portion, such as a stem, and articulating component, such as a humeral head, and an insert component that supports the articulating component and is removable from the stem. A mating component mates with the humeral head and is configured to engage the insert component at adjustable angles according to the anatomy of the patient's joint. In a revision surgery, the stem remains within the patient's bone while the insert component is removed with ...

Spinal fusion implant and methods of use thereof

Patent Number: 8444697
Publication Date: 2013-05-21
Inventors: ;

The present invention comprises a method of stabilizing adjacent vertebral bodies with an expandable and size varying spinal fusion intervertebral implant device that comprises an expandable top(s) and, or bottom. The method comprises inserting the device into the intervertebral disc space. Once properly positioned, the method further comprises engaging the expandable body of the device by inserting and rotating a screw that runs along the longitudinal axis of the implant.

The ...

Anatomic spinal implant having anatomic bearing surfaces

Patent Number: 8444696
Publication Date: 2013-05-21
Inventor:

The present application is directed to an interbody spinal implant having a structural configuration that provides for maintaining the normal anatomic relationship of two adjacent vertebrae of the spine. The spinal implant is sized to fit within the disc space created by the removal of disc material between two adjacent vertebrae and conform wholly, or in part, to the disc space created. The spinal implant of the present invention has first and second sides with upper and lower bearing ...

Prosthetic disc for intervertebral insertion

Patent Number: 8444695
Publication Date: 2013-05-21
Inventors: ;

A prosthetic disc for insertion between adjacent vertebrae includes a core having upper and lower curved surfaces, upper and lower plates, and peripheral restraining structure on at least one of the upper plate, the lower plate and the core. Each plate has an outer surface which engages a vertebra and an inner curved surface which slides over the curved surface of the core. The peripheral restraining structure serves to hold the core against a curved surface of at least one of the plates ...

Methods for injecting a curable biomaterial into an intervertebral space

Patent Number: 8444694
Publication Date: 2013-05-21
Inventors: ; ; ; ; ; ; ;

A method for treating a diseased or damaged spinal disc comprises the steps of: (a) providing access to the nucleus pulposus through the annulus; (b) removing at least a portion of the nucleus pulposus to create an intradiscal space; (c) determining the size of the intradiscal space; and (d) sealably introducing under pressure a curable biomaterial through the annulus directly into the intradiscal space. The step of determining the size of the intradiscal space may be accomplished by ...

Apparatus, systems, and methods for achieving lumbar facet fusion

Patent Number: 8444693
Publication Date: 2013-05-21
Inventor:

Assemblies of one or more implant structures make possible the achievement of diverse interventions involving the fusion and/or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. The representative lumbar spine interventions, which can be performed on adults or children, include, but are not limited to, lumbar interbody fusion; translaminar lumbar fusion; lumbar facet fusion; ...

Instrumentation with inwardly moveable extensions for inserting an expandable interbody spinal fusion implant

Patent Number: 8444692
Publication Date: 2013-05-21
Inventor:

An implant holder for inserting an interbody spinal ...

Nasal valve treatment method and apparatus

Patent Number: 8444691
Publication Date: 2013-05-21
Inventors: ;

A method and apparatus for treating a nasal valve condition including surgically forming an access path to create a pocket on a side of the patient's nose. The pocket is positioned between a soft tissue layer and opposing surfaces of upper and lower cartilages of the nose. The pocket spans a junction between the upper and lower cartilages. An implant is placed through the access path into the pocket with a length oriented to span the junction. A delivery system for placement of the implant ...

Bronchoscopic repair of air leaks in a lung

Patent Number: 8444690
Publication Date: 2013-05-21
Inventors: ; ;

Systems and devices for minimally invasively treating an air leak in a lung comprise the steps of detecting an air leak in a lung; locating an airway in fluid communication with the air leak, introducing a bronchoscope into a patient's airway to a position adjacent the target section and occluding an airway upstream of the air leak for a period of time. The airway occlusion device is preferably removed after the air leak has substantially permanently healed. The occluding device may be a ...

Valve prosthesis with movably attached claspers with apex

Patent Number: 8444689
Publication Date: 2013-05-21
Inventor:

A valve prosthesis, implantation device, and methods for use are provided. The implantation device utilizes movable claspers for both positioning and anchoring the valve prosthesis. Alternative designs of the devices allow different methods for minimally invasive implantation of a sutureless valve prosthesis, including transapical and transcatheter approaches. Also provided is a delivery device for delivery of a medical prosthesis though minimally invasive ...

Covered stents with degradable barbs

Patent Number: 8444688
Publication Date: 2013-05-21
Inventor:

The present invention is directed at a removable stent for providing reinforcement to a selected region of a selected body lumen including a resilient cylindrical layer, including at least one bioresorbable extrusion exterior from the resilient cylindrical layer for resisting migration of the removable stent when the removable stent is positioned in the selected region of the selected body lumen. The present invention also includes a temporary implantable endoprosthesis which includes a ...

Implantable vascular device

Patent Number: 8444687
Publication Date: 2013-05-21
Inventors: ; ; ;

A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter into the lumen of a duct or vessel and may include one or more barbs for anchoring purposes. A full or partial covering of fabric or other flexible material such as DACRON, PTFE, or a ...

Catheter with removable balloon protector and stent delivery system with removable stent protector

Patent Number: 8444686
Publication Date: 2013-05-21
Inventors: ; ; ; ; ;

A medical device has a catheter with a proximal portion, a distal portion, a shaft and an expandable member located at the distal portion. The expandable member is constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state. A removable sleeve is positioned around the entire length of the expandable member. The sleeve has a first end and a second end, and an inner diameter that increases over the entire length of the ...

Rapid exchange stent delivery system and associated components

Patent Number: 8444685
Publication Date: 2013-05-21
Inventors: ; ;

A rapid exchange stent delivery catheter includes an inner tubular member having a proximal portion, a distal portion, a stent holding portion located adjacent the distal portion of the inner member, and a guide wire lumen extending from a proximal guide wire opening disposed distal of the proximal portion of the inner member to a distal guide wire opening disposed at a distal end of the inner member. The proximal guide wire opening has a first length. An outer tubular member is slidably ...

Artificial contractile structure and apparatus comprising such structure

Patent Number: 8439979
Publication Date: 2013-05-14
Inventors: ; ; ; ;

An artificial contractile structure generally devised to be used in the medical field to assist the functioning of an organ, includes a support (2) and one or more fibers (5) fixed thereto. The fibers are made of a contractile material which can be activated by an activator so as to provide the structure in a rest or activated position, the activated position being defined with fibers of reduced length compared to their length in the rest position. The structure is adapted to ...

Prosthetic device and method for implanting the prosthetic device

Patent Number: 8439978
Publication Date: 2013-05-14
Inventor:

A substantially cup-shaped prosthetic device for a joint is provided. The prosthetic device includes an outer surface configured to operatively engage at least one of a first bone of the joint and a component, an inner surface including at least a portion configured to connect to a second bone of the joint, and at least one reservoir having an opening at each of the inner surface and the outer surface and extending ...

Spinal interbody spacer

Patent Number: 8439977
Publication Date: 2013-05-14
Inventors: ; ;

A spinal spacer for engagement between vertebrae includes a body extending between a substantially contoured first end surface and a second end surface to define side surfaces and opposing top and bottom vertebral engaging surfaces substantially symmetrical about a centerline axis. At least one opening defines a hollow inner body and includes first and second intersecting openings extending through the top and bottom vertebral engaging surfaces. The second intersecting opening extends ...

Integrated adjustable button-suture-graft construct with two fixation devices

Patent Number: 8439976
Publication Date: 2013-05-14
Inventors: ;

An adjustable button/loop device for securing biologic material in bone, such as for ACL reconstruction. The device has a pair of button/loop constructs, each including a flexible, adjustable loop integrated with a fixation device (for example, a wedge). Biologic material (for example, soft tissue, graft, ligament or tendon) is secured to the two fixation devices, and the construct is inserted into a pair of bone sockets/tunnels, such as into a tunnel in the tibia and a socket in the femur. ...

Polyethylene cross-linked with an anthocyanin

Patent Number: 8439975
Publication Date: 2013-05-14
Inventor:

A method for manufacturing of ultrahigh molecular weight polyethylene (UHMWPE) for implants, where the implants have been machined out of UHMWPE blocks or extruded rods, has anthocyanin dispersely imbedded in the polyethylene. The implant is then exposed to γ ray or electron beam irradiation in an amount of at least 2.5 Mrad followed by a heat treatment to prevent the implant from becoming brittle in the long term as well as to improve strength and wear. The method includes mixing a powder ...

Adjusted index of refraction of ocular replacement material

Patent Number: 8439974
Publication Date: 2013-05-14
Inventors: ; ;

The present invention relates to a method of determining the IOL refractive index for an ocular replacement material for replacing tissue in the capsular bag comprising combining a neutral (non-correcting) reference refractive index (“NRRI”) of between 1.421 and 1.450 with a refractive index correction factor (“RICF”) ascertained by reference to the refractive power required to correct the patient's refractive error. The present invention also relates to methods of treating ...

Plungers for intraocular lens injectors

Patent Number: 8439973
Publication Date: 2013-05-14
Inventor:

An intraocular lens (IOL) injector for delivering an IOL into an eye of a patient. The injector includes an IOL load chamber and connected delivery tube, and a push rod for urging the IOL through the delivery tube and out of a distal tip thereof. The push rod is guided and biased against one side of the injector load chamber. The injector may include an inflatable pusher for urging the IOL through the delivery tube and out of a distal tip thereof. The inflatable pusher has a proximal end ...

Intraocular implants and related kits and methods

Patent Number: 8439972
Publication Date: 2013-05-14
Inventors: ;

Devices, methods and kits are described for reducing intraocular pressure. The devices include a support that is implantable within Schlemm's canal and that may restore or maintain at least partial patency of the canal without substantially interfering with transmural or transluminal fluid flow across the canal. The devices utilize the natural drainage process of the eye and may be implanted with minimal trauma to the eye. Kits may include a support and an introducer for implanting the ...

Adjustable height focal tissue deflector

Patent Number: 8439971
Publication Date: 2013-05-14
Inventors: ; ;

A tissue shaping device adapted to reshape target tissue adjacent to a lumen. In some embodiments, the device includes an expandable and contractable anchor, with the anchor having an adjustable height anchoring portion adapted to engage a wall of the lumen in at least first and second anchor heights, the anchoring portion being further adapted to be changed from the first anchor height to the second anchor height by a substantially proximally or a substantially distally directed actuation ...

Transapical delivery system for heart valves

Patent Number: 8439970
Publication Date: 2013-05-14
Inventors: ;

A delivery system for delivering a prosthetic heart valve to the aortic valve annulus. The system includes a delivery catheter having a steering mechanism thereon for delivering a balloon-expandable prosthetic heart valve to the aortic annulus in an antegrade fashion through an introducer passing into the left ventricle through its apex. The introducer may have a more floppy distal section than a proximal section to reduce trauma to the heart wall. The delivery catheter includes a ...

Pre-sized prosthetic chordae implantation system

Patent Number: 8439969
Publication Date: 2013-05-14
Inventors: ; ; ;

A pre-sized prosthetic chordae assembly includes a male attachment unit and a female securing member. The male attachment unit includes a plurality of pre-sized prosthetic chordae fixedly connected to at least one male attachment member and a papillary muscle penetration member that is connected to and extends substantially axial to the at least one male attachment member. The female securing member is for receiving the papillary penetration ...

Expandable medical device for delivery of beneficial agent

Patent Number: 8439968
Publication Date: 2013-05-14
Inventor:

An expandable medical device having a plurality of elongated struts, the plurality of elongated struts being joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter and the plurality of struts each having a strut width in a circumferential direction. At least one of the plurality of struts includes at least one opening extending at least partially through a thickness of the strut. A ...

Stent/fiber structural combinations

Patent Number: 8439967
Publication Date: 2013-05-14
Inventor:

A plurality of endoluminal segments axially connected by fiber bridges is disclosed. The endoluminal segments may be superelastic nitinol that is balloon-expandable or self-expanding. The intraluminal segments may possess a textured surface or at least one geometric feature per segment, located at the apex of a strut pair comprising the intraluminal segment, serving as an anchoring point for the fiber bridges. These geometric features may transmit axially compressive loads during deployment ...

Intravascular stent and method of use

Patent Number: 8439966
Publication Date: 2013-05-14
Inventor:

An expandable stent is implanted in a body lumen, such as a coronary artery, peripheral artery, or other body lumen for treating an area of vulnerable plaque. The invention provides for a an intravascular stent having a plurality of cylindrical rings connected by undulating links. The stent has a high degree of flexibility in the longitudinal direction, yet has adequate vessel wall coverage and radial strength sufficient to hold open an artery or other body lumen. A central section is ...

Angioplasty stents

Patent Number: 8439965
Publication Date: 2013-05-14
Inventors: ; ;

An angioplasty stent comprises a body comprising a plurality of successive segments connected in pairs by bridge means so that the successive segments can be oriented relative to one another for the purposes of bending of the body in any direction defined by a linear combination of respective orientation axes defined by the bridge connection means. During the radial expansion of the stent, the axial contraction of the segments resulting from the opening-out of the respective loops is ...

Stent with web-inducing nodes for increased surface area

Patent Number: 8439964
Publication Date: 2013-05-14
Inventors: ;

A medical device for delivering a therapeutic agent is described comprising a stent comprising a sidewall and a plurality of struts, wherein at least one strut or strut portion comprises at least one node, wherein the expansion of the stent creates at least one web comprising a coating composition having a therapeutic agent, and wherein at least one node is configured to be associated with at least one web. A method for delivering a therapeutic agent to a body site is also ...

Apparatus and method for maintaining fluid flow through body passages

Patent Number: 8439963
Publication Date: 2013-05-14
Inventors: ;

A device (10) for maintaining fluid flow through at least one passage in a human or animal body, the device comprising two end portions (12, 14) for anchoring the device in position, and an intermediate portion (16) which allows movement of the end portions relative to each another, wherein the end portions and intermediate portion together define a pathway for fluid flow through the device. The device is particularly suitable for use in the treatment of coronary heart ...

Endoprothesis stent delivery system and method of using the same

Patent Number: 8439962
Publication Date: 2013-05-14
Inventors: ;

An endoprosthesis deployment system includes an axial catheter, an outer sheath extending parallel to the axial catheter, and an inner sheath positioned transversely between the axial catheter and outer sheath, the inner sheath including first and second inner sheath sections extending along the axial catheter, each of said first and said second inner sheath sections mounted for axial movement relative to the other inner sheath ...

Stent retaining mechanisms

Patent Number: 8439961
Publication Date: 2013-05-14
Inventors: ; ; ; ; ; ; ; ;

A catheter system comprises a catheter comprising a distal portion, a proximal portion and an inner shaft. The inner shaft comprises a medical device receiving region for receiving and carrying a medical device. The retaining device is at least partially constructed of an electroactive polymer. The retaining device is located on or adjacent to the medical device receiving region. The electroactive polymer of the retaining device has an activated state and an inactivated state. The retaining ...

Joint actuation mechanism for a prosthetic and/or orthotic device having a compliant transmission

Patent Number: 8435309
Publication Date: 2013-05-07
Inventors: ;

Disclosed herein a prosthetic or orthotic device having a joint portion and a compliant transmission assembly in operational communication with the joint portion. The device restores the normal capabilities and natural dynamics of a healthy joint for common activities. The compliant transmission assembly includes a compliant element. The compliant transmission assembly absorbs energy when a torque is applied between a prosthetic or orthotic device portion and another adjacent device portion ...

Prosthetic connector

Patent Number: 8435308
Publication Date: 2013-05-07
Inventor:

A locking device for a prosthesis comprising a locking mechanism that may be disengaged from the locking pin using a single hand, and that remains in the open position until the pin is removed. The locking mechanism of the present invention thus provides a secure connection that may be more easily removed than current devices. The current invention comprises a self-holding release mechanism that makes it possible to use both hands for pulling the amputation stump out of the prosthetic ...

Reinforcement device with dissolvable layer and its use

Patent Number: 8435307
Publication Date: 2013-05-07
Inventor:

A reinforcement device for reinforcing tissues having one or more structural deficiencies includes a longitudinally-extending reinforcing layer for treating the structural deficiency, a plurality of spiked naps distributed across the reinforcing layer and projecting therefrom for adhering to the tissue, and a dissolvable matrix layer covering at least a portion of the reinforcing layer and a portion of the plurality of spiked naps. The matrix layer increases the time before the spiked naps ...

Devices and methods for treating defects in the tissue of a living being

Patent Number: 8435306
Publication Date: 2013-05-07
Inventors: ; ;

An implant for deployment in select locations or select tissue for regeneration of tissue is disclosed. The implant includes collagen and or other bio-resorbable materials, where the implant may also be used for therapy ...

Osteochondral graft delivery device and uses thereof

Patent Number: 8435305
Publication Date: 2013-05-07
Inventors: ;

A delivery device for an osteochondral graft comprising a tube, a plunger and a graft retention assembly is disclosed. The tube has a bore having an inside diameter and extends from a proximal end to a distal end. The inside diameter of the bore is sufficient to accept an osteochondral graft of a desired diameter. The tube has a set of apertures located adjacent the distal end of the tube. The plunger is slidably disposed within the bore of the tube. The graft retention assembly comprises a ...

Adjustable knee tibial trial insert

Patent Number: 8435304
Publication Date: 2013-05-07
Inventor:

An adjustable tibial trial insert includes an upper plate having an upper articular surface and a lower plate. A height-adjustment mechanism of the insert is coupled to and positioned generally between the upper plate and the lower plate and is configured to move between a closed position where the upper and lower plates are adjacent each other and an opened position where the upper and lower plates are spaced-apart from each other in order to adjust a height or thickness of the ...

Instruments and interbody spinal implants enhancing disc space distraction

Patent Number: 8435302
Publication Date: 2013-05-07
Inventors: ;

An apparatus for distracting a disc space having an annulus. The apparatus includes a spinal implant having a pre-determined size sufficient to balance frictional fit in the disc space and elongation of the annulus. The implant has a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions defining a substantially hollow center and a single vertical aperture. At least one of the opposing anterior and posterior portions presents a substantially flat ...

Artificial intervertebral disc implant

Patent Number: 8435301
Publication Date: 2013-05-07
Inventors: ; ; ;

An intervertebral disc for placement between adjacent vertebrae comprising: an anterior side; a posterior side; a first lateral side; a second lateral side; an upper endplate having an inner surface and an outer surface, wherein the outer surface of the upper endplate is adapted for contacting a first vertebra; a lower endplate having an inner surface and an outer surface, wherein the outer surface of the lower endplate is adapted for contacting a second vertebra; and an elastic membrane ...

Intervertebral implant for transforaminal posterior lumbar interbody fusion procedure

Patent Number: 8435300
Publication Date: 2013-05-07
Inventors: ; ;

An intervertebral implant for fusing vertebrae is disclosed. The implant may have a body with curved, posterior and anterior faces separated by two narrow implant ends, superior and inferior faces having a plurality of undulating surfaces for contacting vertebral endplates, and at least one depression in the anterior or posterior face for engagement by an insertion tool. The implant may also have one or more vertical through-channels extending through the implant from the superior face to ...

Expandable osteosynthesis cage

Patent Number: 8435299
Publication Date: 2013-05-07
Inventors: ; ;

An expandable osteosynthesis implant has branches (5) each connected at one end to a seat (7) which is pierced by an orifice (8), suitable for being slid from a posterior direction between the facing faces of two consecutive vertebrae in order to hold them a given distance apart and restore stability of the spinal column. According to the invention, said branches (5) and said seat (7) define a hollow cage (1) which, in a “rest” position, has an ...