VOLUME DISK ENDOPROSTHESIS WITH TRANSVERSE ARC-SHAPED CURVE CYLINDRICAL ARTICULATION SURFACES FOR THE LENDENUND NECK SPINAL COLUMN

JOINT PROSTHESIS

PLUG FOR FILLING BONE DEFECTS

INTER+SOMATIC SPINAL COLUMN IMPLANT WITH ANCHORAGE ELEMENTS

Articulating spinal implant

Articulating spinal implant

ARTIFICIAL SPINAL DISC

ARTIFICIAL SPINAL DISC

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

INTER-VERTEBRAL DISC MOTION DEVICES AND METHODS OF USE

A mobile device is adapted to at least partially replace the motion characteristics of a natural inter-vertebral disc positioned in a disc space. In an embodiment, a receptacle is coupled to the bearing surface. The receptacle is adapted to accept an implantable material without the removal of the bearing surface, wherein the implantable material contacts the abutment surface of each of the vertebral bodies adjacent to the disc space and leads to fusion and immobilization of two vertebral bodies adjacent the disc space.

ИСКУССТВЕННЫЙ МЕЖПОЗВОНКОВЫЙ ДИСК

FIELD: medicine. ^ SUBSTANCE: core for an artificial disc for natural disc replacement in a human vertebra is designed to be inserted in between and to move relative to upper and lower end plates attached to the adjacent vertebras, and contains: a core frame having at least one bearing surface to engage with an interacting bearing surface generated on at least one of end plates, respectively; at least one bearing surface mentioned has a curvilinear segment to be engaged with a curvilinear bearing surface on one of end plates mentioned; a segment having a profile that differs from the adjacent surface generated on the curvilinear site to support a preferential orientation of at least one of end plates relative to the core. A total disc endoprosthesis contains a pair of end plates with external surfaces to be attached to the adjacent vertebras; the core frame shaped and sized to be arranged between said pair of end plates. Each end plate has an internal surface to be engaged with the core. At least one of end plates has a bearing surface to interact with the bearing surface located on the internal surface of one of end plates. The core is shaped so that a segment carrying maximal load is located in a off-centre place of the core frame. ^ EFFECT: inventions enable to position the vertebral segment due to the height variation over its surface with maintaining operative motions and reduced injury rate of the adjacent segments. ^ 31 cl, 43 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 401 086 (13) C2 (51) МПК A61F 2/44 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007103356/14, 30.06.2005 (24) Дата начала отсчета срока действия патента: 30.06.2005 (45) Опубликовано: 10.10.2010 Бюл. № 28 (56) Список документов, цитированных в отчете о поиске: US 2005/0216086 A1, 29.09.2005. RU 2080841 C1, 10.06.1997. RU 2131174 C1, 27.06.1999. US 2005/0159818 A1, 21.07.2005. 2 4 0 1 0 8 6 R U (86 ...

System und Verfahren für Gelenkoberflächenersatz und -reparatur

Ein Implantat-Resektionssystem zur Herstellung einer Implantationsstelle zum Ersetzen eines Defekts in einer Gelenkoberfläche eines ersten Knochens schließt eine erste Führung, die dazu konfiguriert ist, allgemein an den ersten Knochen gekoppelt zu werden, ein. Die erste Führung schließt einen Körperabschnitt ein, der einen Kanal definiert, der für die Aufnahme eines Stifts konfiguriert ist, wobei der Stift konfiguriert ist, um den ersten Knochen zu penetrieren und eine Länglich angeordnete Bohrung innerhalb des ersten Knochens zu bilden. Das Implantat-Resektionssystem schließt ferner eine zweite Führung ein, die dazu konfiguriert ist, im Allgemeinen senkrecht an den ersten Knochen in der Nähe zu dem Defekt mittels der Bohrung gekoppelt zu werden. Die zweite Führung schließt eine Bohrspitze ein, die konfiguiert ist, um eine Exzisionsstelle durch einen Abschnitt der Gelenkoberfläche bei der Vorbereitung zur Aufnahme eines Implantats zu bilden.

ARTHROPLASTI DEVICE FOR INTERMEDIATE EDDY DISKS

INTERMEDIATE EDDY DISK THE TRANSLATION MOVEMENTS PERMITS

ARTHROPLASTI DEVICE AS VOLUME DISK REPLACEMENT

Intervertebral disc having translation

Articulating spinal implant

Subtalar implant for arthroereisis of the talocalcaneal joint

Subtalar implant for arthroereisis of the talocalcaneal joint. The invention relates to a subtalar implant (1) for arthroereisis of the 5 talocalcaneal joint, the implant being intended to be inserted into the talocalcaneal joint via its lateral orifice and having an oblong shape that extends longitudinally along an axis of insertion (X) of the implant, the implant comprising: - a head (2) with the shape of a cone of revolution centred on the axis of insertion; 10 - an anchoring thread (4); - a rod (3) having the shape of a cylinder of revolution, the rod having, on its surface, the anchoring thread and being intended to be inserted up to the axis of rotation of the talocalcaneal joint, the head having, on its radially outer surface, means (5) for retaining the implant in rotation about the axis of 15 insertion, the means for retaining in rotation being intended to exert retention against a colonising tissue. 4 5 Fig. 3 5 Fig. 5 5 Eig.d5 51- ...

ARTICULATING SPINAL IMPLANT

A spinal implant (10) for intervertebral disc replacement. The implant is formed from two hemicylindrical elements (20, 22), each engaging one of an adjacent pair of vertebrae (12, 14). An articulating ball-and-socket joint between the two elements (20, 22) resists compression and lateral movement between the vertebra, but allows pivotal movement, thereby preserving mobility. Fusion chambers (30, 34) are provided for allowing bone ingrowth to fuse the elements to the vertebrae (12, 14). Biocompatible, bioreabsorbable struts, shims (82), fillers and/or end caps (90) are provided for temporary stabilization of the first (20) and second hernicylindrical (22) elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber (30, 34) or otherwise applied to the implant to enhance bone ingrowth.

CYLINDRICAL HEMI-LUNAR PARALLEL ARRAY THREADED DISC PROSTHESIS

A small profile, cylindrically or conically shaped prosthetic disc device (20) is provided. The device housing is comprised of two longitudinally split hollow halves (22, 24), between which is contained a hemi-lunar shaped resilient body (41) which may be of a polymeric type, or it may contain hydrogel. This hemi-lunar disc lies in concave surfaces (51) located on the interior of each side of the split cylindrical housing. The housing halves (22, 24), even under maximum physiological loads, do not contact one another directly. Threads (31) on the exterior surface (30) of the cylindrical housing (20) facilitates insertion, and retention in theprepared bone opening.

PROSTHESIS METATARSO-PHALANGIENNE

Intersomatic spinal implant with anchoring elements

L'implant intersomatique rachidien comporte un corps (4) et au moins un élément d'ancrage (26) mobile par rapport au corps pour s'étendre en saillie d'une face de contact (6) du corps avec une vertèbre. L'implant comporte au moins une came (130) mobile par rapport au corps (4) et apte à déplacer l'élément d'ancrage (26) par rapport au corps par effet de rampe avec l'élément d'ancrage.

MULTIPIECE IMPLANTS FORMED OF BONE MATERIAL

The present invention relates to 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. Bone stock may be formed by combining sections of various bones of the body, and the bone stock may be further fashioned for use as implants with particular geometries.

Joint prosthesis

In a joint prosthesis the head cap is connected via a collar piece to the shaft piece which may be anchored in the bone. The collar piece is coupled to the shaft piece by a joint head in a ball-jointed manner. The articulation surfaces between the joint cavity in the shaft piece and the articulation head on the collar piece are embodied such that on pressing the articulation head to the base of the joint cavity, edges or projections on the one articulation surface digs into the other articulation surface lying on a virtual spherical surface. It is thus possible to achieve a ball-joint like articulation, whereby the spherical surfaces may have a relatively large production tolerance without the above affecting the clamping connection between the articulation surfaces.

Intervertebral disk arthroplasty device

A disk arthroplasty device (310) is provided for replacement of a spinal disk. The device is implantable into a resected disk space and is formed with ball (346) and socket (326) members and shaped to provide lateral bending and backward extension of up to about 5° and forward flexion of up to about 15°. Four embodiments (10), (110), (210) and (310) permit up to about 5° axial rotation and a fifth embodiment (410) permits unrestricted axial rotation. Metal insert cups (70) and (170) are provided for attaching to the device surfaces and are convexly shaped along one axis to conform to the natural contours of the top and bottom vertebra surfaces. The metal insert cups (70) and (170) provide tensile support to the structure and provide for the attachment of additional structures for retaining the device in position after implantation into a disk space.

Articulating spinal implant

A spinal implant for intervertebral disc replacement. The implant is formed from two hemicylindrical elements, each engaging one of an adjacent pair of vertebrae. An articulating ball-and-socket joint and/or rocker and channel between the two elements resists compression and lateral movement between the vertebra, but allows pivotal movement, thereby preserving mobility. Fusion chambers are provided for allowing bone ingrowth to fuse the elements to the vertebrae. Biocompatible, bioreabsorbable struts, shims, fillers and/or end caps are provided for temporary stabilization of the first and second hemicylindrical elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber or otherwise applied to the implant to enhance bone ingrowth.

SPINAL IMPLANT SYSTEM AND METHOD

A method for treating a spine includes the steps of: creating a surgical pathway in a body along a first surgical approach to a surgical site including vertebral tissue; creating a surgical pathway in the body along a second surgical approach to the surgical site including the vertebral tissue; disposing a fulcrum with an intervertebral disc space of the vertebral tissue via the first surgical approach; and manipulating the vertebral tissue via the second surgical approach. Spinal implants, surgical instruments and systems are disclosed.

Intervertebral disc prosthesis with transversally arched, curved cylindrical articulation surfaces for the lumbar and cervical spine

An intervertebral disc prosthesis for the total replacement of an intervertebral disc within the lumbar and cervical spine is disclosed. The intervertebral disc prosthesis comprises articulating sliding partners, wherein the upper sliding partner is adapted for a firm assembly to an upper vertebral body and the lower sliding partner is adapted for a firm assembly to a lower vertebral body. The functional two part design provides a dorsoventral motion and in the transversal plane a rotational motion around a fictitious vertical axis as a result of a laterolaterally aimed, transversally arched, ventrally curved cylindrical convexity and corresponding concavity but prevents an inclination of the sliding partners in a lateral direction. According to the invention, the intervertebral disk prostheses are suited for implantation from lateral and ventrolateral, particularly in revision surgeries.

SYSTEM AND METHOD FOR JOINT RESURFACING AND REPAIR

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.

JOINT PROSTHESIS

The invention relates to a joint prosthesis (11) with the head cap (29) connected to a shaft piece (13) which may be anchored in the bone, by means of a collar piece (21). Said collar piece (21) is coupled to the shaft piece (13) by a joint head (25) in a ball-jointed manner. The articulation surfaces between the joint cavity (19) in the shaft piece (13) and the articulation head (25) on the collar piece are embodied such that on pressing the articulation head (25) to the base of the joint cavity (19), edges or projections on the one articulation surface engage with the other articulation surface lying on a virtually spherical surface. It is thus possible to achieve a ball-joint like articulation, whereby the spherical surfaces may have a relatively large production tolerance without the above affecting the clamping connection between the articulation surfaces.

Intervertebral disk arthroplasty device

INTERVERTEBRAL DISK ARTHROPLASTY DEVICE

Endoprosthesis for finger joints comprises proximal and distal joint parts of bioceramic material with a shaft of material shifted radially that can be inserted

Endoprosthesis for finger joints comprises proximal and distal joint parts of bioceramic material with a shaft of material shifted 1 mm radially and up to 30 deg from the radial that can be inserted in bone, the proximal part being inserted in bone.

SCREWED CYLINDRICAL, MULTIDISKOIDE SIMPLE OR MULTIPLE NETWORK DISK PROSTHESIS

WITH PARALLEL THREAD MISTAKE CYLINDRICAL, HALFSPHERICAL DISK PROSTHESIS

ARTICULATED SPINAL COLUMN IMPLANT

BONE IMPLANT WITH CAVITY

ENDOPROSTHESIS FOR A SHOULDER JOINT

MULTIPART IMPLANTS FROM BONE MATERIAL

Systems and methods for vertebral disc replacement

The present invention provides artificial disc prostheses, methods and instrumentation for implantation and revision. Each prosthesis may comprise superior and inferior end plates and a nucleus positioned between articular surfaces of the end plates. The end plates may have planar bone engagement surfaces with a plurality of self-cutting teeth. The articular surfaces of the end plates may be planar or include a flattened portion. The nucleus includes superior and inferior articular surfaces which may comprise flattened portions such that when the articular surfaces of the nucleus and the end plates are placed in a preferred orientation, the flattened and/or planar portions are aligned. Each prosthesis may provide flexion/extension, anterior/posterior translation, lateral bending, and/or axial rotation degrees of freedom. One embodiment comprises a prosthesis with a first joint providing flexion/extension and anterior/posterior translation, and a second joint providing lateral bending and ...

Articulating spinal implant

Adjustable distraction cage with linked locking mechanisms

Abstract of the Disclosure: A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. The implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system having a plurality of linked locking elements that work in unison to lock the implant in an extended configuration. Bone engaging anchors also may be provided to ensure secure positioning. FIG. 2 14 387 ...

INTERVERTEBRAL DISC HAVING TRANSLATION

This invention relates to an intervertebral motion disc having two motion surfaces and an open channel.

SYSTEMS AND METHODS FOR VERTEBRAL DISC REPLACEMENT

The present invention provides artificial disc prostheses, methods and instrumentation for implantation and revision. Each prosthesis may comprise superior and inferior end plates and a nucleus positioned between articular surfaces of the end plates. The end plates may have planar bone engagement surfaces with a plurality of self-cutting teeth. The articular surfaces of the end plates may be planar or include a flattened portion. The nucleus includes superior and inferior articular surfaces which may comprise flattened portions such that when the articular surfaces of the nucleus and the end plates are placed in a preferred orientation, the flattened and/or planar portions are aligned. Each prosthesis may provide flexion/extension, anterior/posterior translation, lateral bending, and/or axial rotation degrees of freedom. One embodiment comprises a prosthesis with a first joint providing flexion/extension and anterior/posterior translation, and a second joint providing lateral bending and ...

Articulating spinal implant

An articulating spinal implant for interverteral disc replacement. The articulating spinal implant is formed from two elements, each engaging one of an adjacent pair of vertebra. An articulating means between the two elements resists compression and lateral movement between the vertebra, but allows the adjacent vertebra to articulate about an instantaneous axis of rotation.

Lumbar and cervical intervertebral disc prosthesis with a cylindrical articulating surface curved surface bent laterally

Arthroplastische Vorrichtung für Zwischenwirbelscheiben

JOINT PROSTHESIS

ARTHROPLASTI DEVICE FOR INTERMEDIATE EDDY DISKS

Method of preparing an ankle joint for replacement, joint prosthesis, and cutting alignment apparatus for use in performing an arthroplasty procedure

Disc replacement device and method of use

A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed.

DISC REPLACEMENT DEVICE AND METHOD OF USE

Abstract A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed. too 150) 140 "' .FI Irx \< /rt~-123 ...

JOINT PROSTHESES

The present invention provides an implantable joint prosthesis configured to replace a natural joint, and methods for implantation. The prosthesis may include a first component implantable in a first bone, having a first bearing surface, and a second component implantable in a second bone, having a second bearing surface which corresponds to the first bearing surface. Each bearing surface may include a flattened section such that when the bearing surfaces are placed in cooperation with one another in a preferred orientation, the flattened sections are aligned. Alternatively, the bearing surfaces may have and asymmetric configuration, with non-congruent surfaces that may enable correction of deformity. Several types of implantable joint prostheses are disclosed, including: carpometacarpal, metacarpophalangeal, metatarsophalangeal, distal interphalangeal, proximal interphalangeal, ankle, knee, shoulder, and hip.

SUBDERMAL TALIENARTHRORISE FOR OF THE TALOCRURAL ARTICULATION CALCANEENNE

L'invention concerne un implant (1) sous-talien pour arthrorise de l'articulation talo-calcanéenne, l'implant étant destiné à être inséré dans l'articulation talo-calcanéenne par son orifice latéral et présentant une forme oblongue qui s'étend longitudinalement selon un axe d'insertion (X) de l'implant, l'implant comportant : - une tête (2) avec une forme de cône de révolution centrée sur l'axe d'insertion ; - un filetage d'ancrage (4) ; - une tige (3) avec une forme de cylindre de révolution, la tige présentant à sa surface le filetage d'ancrage et étant destinée à être insérée jusqu'à l'axe de rotation de l'articulation talo-calcanéenne, la tête présentant à sa surface radialement extérieure des moyens de retenue (5) en rotation de l'implant autour de l'axe d'insertion, les moyens de retenue en rotation étant destinés à exercer une retenue contre un tissu colonisateur. The invention relates to a subtalar implant (1) for arthrotising the talocalcaneal joint, the implant being intended to be inserted into the talocalcaneal joint via its lateral orifice and having an oblong shape which extends longitudinally along an insertion axis (X) of the implant, the implant comprising: - a head (2) with a cone of revolution centered on the insertion axis; an anchoring thread (4); - A rod (3) with a cylindrical shape of revolution, the rod having on its surface the anchoring thread and being intended to be inserted to the axis of rotation of the talo-calcaneal joint, the head having on its radially outer surface means for retaining (5) in rotation of the implant around the axis of insertion, the rotation retaining means being intended to exert a restraint against a colonizing tissue.

Skeletal reconstruction cages

The present invention relates to skeletal reconstruction cages and a method of providing variable fit for a skeletal reconstruction cage. The skeletal reconstruction cages include a central body having first and second ends, a first end cap coupled to one end of the central body, and a second end cap coupled to the other end of the central body. At least two of the central body, first end cap, and second end cap are formed from bone. Each of the central body, first end cap, and second end cap may be provided in different sizes so that cages with varying overall heights, and related angulations, may be created.

ИСКУССТВЕННЫЙ МЕЖПОЗВОНКОВЫЙ ДИСК

... 1. Ядро для искусственного диска для эндопротезирования естественного диска в позвоночнике человека, при этом ядро выполнено с возможностью вставки между и перемещения относительно верхней и нижней концевыми пластинками, которые прикреплены к соседним позвонкам, и содержит a) каркас ядра, имеющий, по меньшей мере, одну несущую поверхность для зацепления с взаимодействующей несущей поверхностью, сформированной на, по меньшей мере, одной из концевых пластинок, соответственно; b) упомянутая, по меньшей мере, одна несущая поверхность имеет криволинейный участок, который выполнен с возможностью зацепления с криволинейной несущей поверхностью на упомянутой одной из концевых пластинок; c) выровненный участок, сформированный на криволинейном участке для поддержки предпочтительной ориентации, по меньшей мере, одной из концевых пластинок относительно ядра. 2. Ядро по п. 1, в котором каркас ядра является сферическим по форме, с криволинейными участками, сформированными на верхней и нижней несущих ...

Zwischenwirbelscheibe die Translationbewegungen erlaubt

Intervertebral disk arthroplasty device

Disc replacement device and method of use

A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed.

Plugs for filling bony defects

CONSTRAINED ACETABULAR LINER

A prosthetic acetabular component for a hip joint that is inserted into a bone cavity of the natural acetabulum. The acetabular component consists of an articulating component and a constraining component. The articulating component has a hemispherical or dome shape that defines a hemispherical cavity for receiving a femoral ball of a femoral hip stem. The constraining component has a body that connects to the articulating component to capture the femoral ball within the cavity of the articulating component. A locking mechanism connects the constraining component to the articulating component,

PLUGS FOR FILLING BONY DEFECTS

The present invention relates to skeletal reconstruction cages (110) and a method of providing variable fit for a skeletal reconstruction cage (110). The skeletal reconstruction cages (110) include a central body (10) having first and second ends, a first end cap (70) coupled to one end of the central body (10), and a second end cap (70) coupled to the other end of the central body (10). At least two of the central body (10), first end cap (70), and second end cap (70) are formed from bone. Each of the central body (10), first end cap (70), and second end cap (70) may be provided in different sizes so that cages (110) with varying overall heights, and related angulations, may be created.

ARTICULATING SPINAL IMPLANT

A spinal implant (10) for intervertebral disc replacement. The implant is formed from two hemicylindrical elements (20, 22), each engaging one of an adjacent pair of vertebrae (12, 14). An articulating ball-and-socket joint and/or rocker and channel between the two elements resists compression and lateral movement between the vertebra, but allows pivotal movement, thereby preserving mobility. Fusion chambers (30, 34) are provided for allowing bone ingrowth to fuse the elements to the vertebrae. Biocompatible, bioreabsorbable struts, shims (82), fillers and/or end caps (90) are provided for temporary stabilization of the first (20) and second (22) hemicylindrical elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber or otherwise applied to the implant to enhance bone ingrowth.

Metatarsal-phalangeal prosthesis comprises articulated metatarsal and phalangeal components with joint allowing rotation

The prosthesis consists of a metatarsal component (2) with a bone anchoring shank (5) and an articulated joint surface (6), and a phalangeal component (3) made up of a section (10) with an anchoring shank (12) and an intermediate section (11) with a joint surface (22). The intermediate section allows the phalangeal component to rotate relative to the metatarsal component about its lengthwise axis. The anchoring shanks have self-tapping threads (7) for fixing without cement, and the two joint surfaces (6, 22) are semi-cylindrical in shape.

DISC REPLACEMENT DEVICE AND METHOD OF USE

A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed.

Arthroplastische Vorrichtung für Zwischenwirbelscheiben

Multipiece implants formed of bone material

Joint prostheses

Backbone intersomatic implant with anchoring elements

ARTICULATING SPINAL IMPLANT

An articulating spinal implant for intervertebral disc replacement. The articulating spinal implant is formed from two elements (20, 22), each engaging one of an adjacent pair of vertebra. An articulating means (24) between the two elements resists compression and lateral movement between the vertebra, but allows the adjacent vertebra to articulate about an instantaneous axis of rotation (44).

PLUGS FOR FILLING BONY DEFECTS

The present invention relates to plugs (10,560) for filling vacancies in bone tissue. The plugs (10,560) include a body (12,566) and at least one endcap (14,16,562,564) that are coupled together and may be formed from bone. The body (12,566) of the plug (10,560) may be a sleeve (202,566), and the plug (10,560) may further include an insert (572) configured and dimensioned to be received in the sleeve (202,566).

PLUGS FOR FILLING BONY DEFECTS

The present invention relates to plugs for filling vacancies in bone tissue. The plugs include a body and at least one end cap that are coupled together and may be formed from bone. The body of the plug may be a sleeve, and the plug may further include an insert configured and dimensioned to be received in the sleeve.

SKELETAL RECONSTRUCTION CAGES

The present invention relates to skeletal reconstruction cages (110) and a method of providing variable fit for a skeletal reconstruction cage (110). The skeletal reconstruction cages (110) include a central body (10) having first and second ends, a first end cap (70) coupled to one end of the central body (10), and a second end cap (70) coupled to the other end of the central body (10). At least two of the central body (10), first end cap (70), and second end cap (70) are formed from bone. Each of the central body (10), first end cap (70), and second end cap (70) may be provided in different sizes so that cages (110) with varying overall heights, and related angulations, may be created.

Articulating spinal implant

An articulating spinal implant for intervertebral disc replacement. The articulating spinal implant is formed from two elements, each engaging one of an adjacent pair of vertebra. An articulating means between the two elements resists compression and lateral movement between the vertebra, but allows the adjacent vertebra to articulate about an instantaneous axis of rotation.

INTERVERTEBRAL DISK ARTHROPLASTY DEVICE

PROBLEM TO BE SOLVED: To provide an intervertebral disk arthroplasty device having fatigue strength with a biocompatible material, eliminating or reducing the load of a facet joint and applicable to 90%. SOLUTION: The disk arthroplasty device 110 is disposed in place of an intervertebral disk. The device is implantable into a resected disk space and is provided with a ball member 146 and a socket member 126 and shaped to provide lateral bending and backward extension of up to about 5° and forward flexion of up to about 15°. Metal insert cups are provided and attached to the surface of the device to assume convex shape along one axis to conform to the natural contours of the top and bottom vertebra surfaces. Metal insert cups provide tensile support to a structure and provide for the attachment of additional structures for retaining the device in position after implantation into the disk space. COPYRIGHT: (C)2004,JPO ...

INTERSOMATISCHES WIRBELSÄULENIMPLANTAT MIT VERANKERUNGSELEMENTEN

Systems and methods for vertebral disc replacement

Adjustable distraction cage with linked locking mechanisms

Abstract of the Disclosure: A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. The implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system having a plurality of linked locking elements that work in unison to lock the implant in an extended configuration. Bone engaging anchors also may be provided to ensure secure positioning. FIG. 2 14 387 ...

Threaded cylindrical multidiscoid single or multiple array disc prosthesis

Threaded cylindrical multidiscoid single or multiple array disc prosthesis

ARTIFICIAL SPINAL DISC

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

INTERVERTEBRAL DISC ENDOPROSTHESIS HAVING CYLINDRICAL ARTICULATION SURFACES THAT ARE CURVED IN A TRANSVERSALLY ARCHED MANNER FOR THE LUMBAR VERTEBRAL COLUMN AND CERVICAL VERTEBRALCOLUMN

... ²The invention relates to an intervertebral disc prosthesis for the total ²replacement of a natural ²intervertebral disc within the lumbar and cervical spine, comprising ²articulating sliding partners, ²where the upper sliding partner has means for a firm assembly to an upper ²vertebral body and ²the lower sliding partner has means for a firm assembly to a lower vertebral ²body and at least ²one sliding surface that is between two sliding partners. According to the ²invention, functional ²two- and three part designs are planned and both prostheses have in common, ²that only a ²dorsoventral- and rotation movement is possible as a result of laterolaterally ²aimed, ²transversally arched, ventrally curved cylindrical convexity(ies) and ²corresponding concavity(ies), ²however without an inclination of the sliding partners in a lateral direction. ²In a further design, the ²cylindrical articulation surfaces are un-curved, enabling a motion of the ²sliding partners in only a ²ventrodorsal direction ...

ENDOPROSTHESIS FOR A SHOULDER JOINT

The invention relates to an endoprosthesis for a shoulder joint. Said endoprosthesis is characterized in that a rotation-symmetrical articulation chamber (19) is formed in the shaft head (17) of the endoprosthesis, and that an axial articulation member (25) is disposed in said chamber. The articulation member axis (35) and the axis of rotation (33) are perpendicular relative to each other. A joint neck (27) can be pivoted about the axis of rotation (33) and the articulation member axis (35) at any selected angle of inclination or rotation. Clamping surfaces (71, 61) that are disposed at an angle to the axis of rotation (33) are rotation-symmetrical or planar and interact with articulation surfaces (75, 73) of the articulation member (25) that are preferably also rotation-symmetrical. The inventive endoprosthesis, using non-spherical articulation surfaces (75, 73) and clamping surfaces (71, 61), achieves the same freedom of adjustability of the joint neck (27) as endoprostheses with a ball-and-socket ...

SKELETAL RECONSTRUCTION CAGES

The present invention relates to skeletal reconstruction cages and a method of providing variable fit for a skeletal reconstruction cage. The skeletal reconstruction cages include a central body having first and second ends, a first end cap coupled to one end of the central body, and a second end cap coupled to the other end of the central body. At least two of the central body, first end cap, and second end cap are formed from bone. Each of the central body, first end cap, and second end cap may be provided in different sizes so that cages with varying overall heights, and related angulations, may be created.

INTER-VERTEBRAL DISC MOTION DEVICES AND METHODS OF USE

A mobile device is adapted to at least partially replace the motion characteristics of a natural inter-vertebral disc positioned in a disc space. In an embodiment, a receptacle is coupled to the bearing surface. The receptacle is adapted to accept an implantable material without the removal of the bearing surface, wherein the implantable material contacts the abutment surface of each of the vertebral bodies adjacent to the disc space and leads to fusion and immobilization of two vertebral bodies adjacent the disc space.

Skeletal reconstruction cages

Skeletal reconstruction cages include a central body having first and second ends, a first end cap coupled to one end of the central body, and a second end cap coupled to the other end of the central body. At least two of the central body, first end cap, and second end cap are formed from bone. Each of the central body, first end cap, and second end cap may be provided in different sizes so that cages with varying overall heights, and related angulations, may be created.

Intervertebral disk arthroplasty device

An intervertebral disk arthroplasty device adapted to replace a disk between a first vertebra and a second vertebra in the spine, said arthroplasty device comprising a first member having a first joint surface, a top surface opposite said first joint surface, a first posterior end and a first anterior end; a second member having a second joint surface facing said first joint surface, a bottom surface opposite said second joint surface, and second posterior and anterior ends juxtaposed with corresponding ones of said first posterior and anterior ends; a first insert cup having a first receiving surface for receiving said top surface, and a first engaging surface opposite said first receiving surface for engaging the first vertebra; a second insert cup having a second receiving surface for receiving said bottom surface, and a second engaging surface opposite said second receiving surface for engaging the second vertebra; and retaining ribs disposed on each of said first and second engaging surface and extending parallel with said anterior and posterior ends of said first and second members, said retaining ribs being configured to permit movement of the disk arthroplasty device in a first direction and to resist movement of said disk arthroplasty device in an opposite direction.

Skeletal reconstruction cages

Constrained acetabular liner

CONSTRAINED ACETABULAR LINER

A prosthetic acetabular component for a hip joint that is inserted into a bone cavity of the natural acetabulum. The acetabular component consists of an articulating component and a constraining component. The articulating component has a hemispherical or dome shape that defines a hemispherical cavity for receiving a femoral ball of a femoral hip stem. The constraining component has a body that connects to the articulating component to capture the femoral ball within the cavity of the articulating component. A locking mechanism connects the constraining component to the articulating component, ...

ARTICULATING SPINAL IMPLANT

A spinal implant (10) for intervertebral disc replacement. The implant is formed from two hemicylindrical elements (20, 22), each engaging one of an adjacent pair of vertebrae (12, 14). An articulating ball-and-socket joint between the two elements (20, 22) resists compression and lateral movement between the vertebra, but allows pivotal movement, thereby preserving mobility. Fusion chambers (30, 34) are provided for allowing bone ingrowth to fuse the elements to the vertebrae (12, 14). Biocompatible, bioreabsorbable struts, shims (82), fillers and/or end caps (90) are provided for temporary stabilization of the first (20) and second hernicylindrical (22) elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber (30, 34) or otherwise applied to the implant to enhance bone ingrowth.

BACKBONE INTERSOMATIC IMPLANT WITH ANCHORING ELEMENTS

L'implant intersomatique rachidien comporte un corps (4), au moins un élémen t d'ancrage (26) mobile par rapport au corps pour s'étendre en saillie d'une face de contact (6) du corps avec une vertèbre, et au moins une came (630) coulissante par rapport au corps (4) et apte à déplacer l'élément d'ancrage (26) par rapport au corps par effet de rampe avec l'élément d'ancrage. La ca me (630) et l'élément d'ancrage (26) sont agencés pour que la came déplace l'élément d'ancrage (26) dans deux sens de déplacement opposés. The spinal interbody implant comprises a body (4), at least one anchoring element (26) movable relative to the body to extend projecting from a contact face (6) of the body with a vertebra, and at least one cam (630) sliding relative to the body (4) and able to move the anchoring element (26) relative to the body by ramp effect with the anchoring element. The ca me (630) and the anchoring element (26) are arranged so that the cam moves the anchoring element (26) in two opposite directions of movement.

METHOD OF PREPARING AN ANKLE JOINT FOR REPLACEMENT, JOINT PROSTHESIS, AND CUTTING ALIGNMENT APPARATUS FOR USE IN PERFORMING AN ARTHROPLASTY PROCEDURE

A method prepares an ankle joint of a patient for replacement. The patient includes a tibia (20) having a medial portion (22), a talus (40), and an ankle (10) having a medial portion. The method employs a cutting alignment apparatus (50) including a first portion external to the patient and a second portion, and surgically prepares and exposes the medial portion of the ankle for replacement. The second portion of the cutting alignment apparatus is coupled to the tibia, and a cutting guide (90) is disposed with respect to the cutting alignment apparatus. The medial portion of the tibia is detached, a portion of the tibia proximate the talus is cut, and a portion of the talus proximate the tibia is cut. An ankle prosthesis (100) is installed to the ankle, and the medial portion of the tibia is reattached.

Intersomatic spinal implant with anchoring elements

L'implant intersomatique rachidien (2) comporte un corps (4) et au moins deux éléments d'ancrage (26) mobiles par rapport au corps pour pouvoir s'étendre en saillie d'au moins une face externe (6) du corps. L'implant comporte un porte-éléments (80) relié rigidement aux éléments d'ancrage (26).

Intervertebral disc having translation

Unitarily formed expandable spinal implant and method of manufacturing and implanting same

A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.

ADJUSTABLE DISTRACTION CAGE WITH LINKED LOCKING MECHANISMS

A device for stabilizing a spine of a patient's body is disclosed. The device comprises an expandable implant implanted into an intervertebral space between a first vertebral body and a second vertebral body. A first portion of the implant is movable in a lateral dimension to increase the width of the implant. A second portion of the implant is movable in a superior/inferior dimension to increase the height of the implant. A method for stabilizing a spine in a patient's body by implanting the expandable implant into an intervertebral space is also disclosed. The method includes moving the first portion of the implant in a lateral dimension to increase the width of the implant, and moving a second portion of the implant in a superior/inferior dimension to increase the height of the implant. 60OA 22 15 6B 61 626C2 51A15 60C 22 60A 65 15 66 68 60A 10l G ...

ARTIFICIAL SPINAL DISC

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

MULTIPIECE IMPLANTS FORMED OF BONE MATERIAL

The present invention relates to 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. Bone stock may be formed by combining sections of various bones of the body, and the bone stock may be further fashioned for use as implants with particular geometries.

THREADED CYLINDRICAL MULTIDISCOID SINGLE OR MULTIPLE ARRAY DISC PROSTHESIS

A small profile, cylindrically shaped prosthetic disc device (10) is provide d. The device housing is comprised of two longitudinally split hollow halves (2 0, 30), between which are contained multiple discoid shaped resilient bodies (4 1, 42) which may be of a polymeric type, or they may contain hydrogel. These bodies may lie in concave surfaces (51, 52) located on the interior of each side of the split cylindrical housing. The housing halves (20, 30) even unde r maximum physiological loads, do not contact one another directly. Threads on the exterior surface of the cylindrical housing facilitates insertion and retention in the prepared bone opening.

Bone fusion device, system and method

A bone fusion method, system and device for insertion between bones that are to be fused together in order to replace degenerated discs and/or bones, for example, the vertebrae of a spinal column. The bone fusion device comprises a frame and one or more extendable plates that are able to be angled, rotatable, adjustable, and have top profiles designed to correct and/or match the replaced discs/bones. The bone fusion device is able to be inserted between or replace the vertebrae by using a minimally invasive procedure wherein the dimensions and/or other characteristics of the bone fusion device are selectable based on the type of minimally invasive procedure.

System and method for joint resurfacing and repair

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.

Systems and Methods for Patient-Specific Total Disc Replacement

A method of tailoring a spinal implant to correspond to a specific patient's needs includes: pre-operatively evaluating a patient to determine a desired spinal segment response; and modifying one or more features of flexures of an implant to provide the desired spinal segment response. Modifying one or more features of flexures of the implant can include modifying one or more of a thickness, width, length and/or shape of the features of the flexures. Various systems for executing the methodologies taught herein are also provided. 1. A method of tailoring a spinal implant to correspond to a specific patient's needs , comprising:pre-operatively evaluating information regarding a patient to determine a desired spinal segment response; andmodifying one or more features of an intervertebral implant to provide the desired spinal segment response.2. The method of claim 1 , wherein pre-operatively evaluating information regarding a patient to determine a desired spinal segment response comprises evaluating range of motion or stiffness of the desired spinal segment.3. The method of claim 2 , wherein the range of motion or stiffness of the desired spinal segment is determined from X-ray imaging of the desired spinal segment while loaded in various directions.4. The method of claim 2 , wherein the range of motion or stiffness of the desired spinal segment is determined from imaging of markers attached at the desired spinal segment while under load.5. The method of claim 2 , wherein the range of motion or stiffness of the desired spinal segment is determined from a series of images or video of the spinal segment under load.6. The method of claim 1 , wherein pre-operatively evaluating information regarding a patient to determine a desired spinal segment response comprises evaluating range of motion or stiffness of a spinal segment adjacent the desired spinal segment.7. The method of claim 6 , wherein the range of motion or stiffness of the spinal segment adjacent the desired ...

SYSTEM AND METHOD FOR JOINT RESURFACING AND REPAIR

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant. 1. An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone , said implant resection system comprising:a first guide configured to be coupled to a first bone, said first guide comprising a body portion having at least one channel defined on a portion thereof, said channel configured to extend generally perpendicular to a portion of said first bone proximate to said defect; andat least one pin configured to be received and retained within said channel, said pin having a distal end configured to pierce said first bone and to extend and form a longitudinally disposed bore within said first bone.2. The implant resection system of claim 1 , further comprising:an arm extending outwardly from a distal face of said body portion of said first guide; anda spoon disposed about a distal end of said arm, said spoon configured to be disposed between said articular surface of said first bone and an articular surface of a second cooperating bone.3. The implant resection system of claim 2 , wherein said spoon further comprises a generally convex base portion configured to abut against said articular surface of said cooperating bone and a generally concave upper portion configured to abut against said articular surface ...

SYSTEMS AND METHODS FOR VERTEBRAL DISC REPLACEMENT

The present invention provides artificial disc prostheses, methods and instrumentation for implantation and revision thereof. Each prosthesis may comprise superior and inferior end plates and a nucleus positioned between articular surfaces of the end plates. The end plates may have planar bone engagement surfaces with a plurality of self-cutting teeth. The articular surfaces of the end plates may be planar or include a flattened portion. The nucleus includes superior and inferior articular surfaces which may comprise flattened portions such that when the articular surfaces of the nucleus and the end plates are placed in cooperation in a preferred orientation, the flattened and/or planar portions are aligned. Each prosthesis may provide flexion/extension, anterior/posterior translation, lateral bending, and/or axial rotation degrees of freedom. One embodiment comprises a prosthesis with a first joint providing flexion/extension and anterior/posterior translation, and a second joint providing lateral bending and axial rotation. 1. An artificial disc replacement system , comprising: an upper plate, with an outer surface, an inner surface, and a first instrument engagement member;', 'a lower plate, with an outer surface, an inner surface, and a second instrument engagement member;', wherein the upper side of the nucleus comprises at least two curvate upper transition portions dividing the upper side into three flattened portions,', 'wherein the lower side of the nucleus comprises at least two curvate lower transition portions dividing the lower side into three flattened portions;, 'a nucleus having an upper side and a lower side, positioned between the upper and lower plates, the nucleus being adjacent the inner surface of each of the upper and lower plates;'}], 'an implant having a leading end and a trailing end along a first axis, and two opposing lateral sides along a second axis; the implant further comprising an implant inserter comprising a gripping mechanism ...

Dynamic spinal segment replacement

A vertebral body system and method having a polyaxial fastener receiving member, adjustable width plates and a pedicle screw having a pedicle threaded portion and a threaded portion for fastening to the vertebral body.

METHOD AND METHOD FOR CARRYING OUT

Se divulga una forma de tejido que comprende dos o más fragmentos oseos que están intertrabados para formar una unidad fuerte y mecánicamente efectiva. Elhueso poroso o hueso cortical es removido de una fuente y tallado dentro de los componentes oseo s con la forma y tamanos deseables. Los componentes oseospueden ser integrados para formar los soportes estructurales para el implante en un defecto en un cuerpo. Los componentes oseos pueden además ser formados comoconectores o tapas para la inserci on de un sitio de defecto anatomico. Preferentemente, las formas de tejido son creadas utilizando material aloinjerto. A tissue form is disclosed comprising two or more bone fragments that are intertwined to form a strong and mechanically effective unit. The porous bone or cortical bone is removed from a source and carved into the bone components with the desirable shape and sizes. Bone components can be integrated to form the structural supports for the implant in a defect in a body. Bone components can also be formed as connectors or covers for the insertion of an anatomical defect site. Preferably, the tissue forms are created using allograft material.

Bone fusion device, system and method

A bone fusion method, system and device for insertion between bones that are to be fused together in order to replace degenerated discs and/or bones, for example, the vertebrae of a spinal column. The bone fusion device comprises a frame and one or more extendable plates that are able to be angled, rotatable, adjustable, and have top profiles designed to correct and/or match the replaced discs/bones. The bone fusion device is able to be inserted between or replace the vertebrae by using a minimally invasive procedure wherein the dimensions and/or other characteristics of the bone fusion device are selectable based on the type of minimally invasive procedure.

Bone fusion device, system and method

A bone fusion method, system and device for insertion between bones that are to be fused together in order to replace degenerated discs and/or bones, for example, the vertebrae of a spinal column. The bone fusion device includes a frame and one or more extendable plates. The bone fusion device is able to be inserted between or replace the vertebrae by using a minimally invasive procedure wherein the dimensions and/or other characteristics of the bone fusion device are selectable based on the type of minimally invasive procedure.

Expandable intervertebral cage and surgical method

An expandable intervertebral cage apparatus includes a pair of cage components, each generally in the shape of a half cylinder. Each of the cage components provides a corresponding, abutting conically shaped recess that cooperates with a conical end portion of an expansion screw. One of the cage components carries a fitting with an internally threaded bore that receives external threads of the expansion screw. As the expansion screw advances into the cage, the conically shaped end portion of the expansion screw engages the conically shaped recesses on the cage components to expand the two cage components apart until they are in contact with the vertebral plates of adjacent vertebrae. The cage components have passageways for packing with bone-inducing-growth material allowing the cage to become part of a spinal fusion. A surgical method for installing the expandable intervertebral cage is also disclosed.

Gelenkprothese

Intervertebral disc

This invention relates to an intervertebral motion disc having two motion surfaces and. wherein the radius of the upper articulation surface of the core member is greater than the radius of the lower articulation surface of the core member, and wherein the first articulation surface of the core member is spherical and the second articulation surface of the core member is curved and non-spherical.

Articulating spinal implant

A spinal implant for intervertebral disc replacement. The implant is formed from two hemicylindrical elements, each engaging one of an adjacent pair of vertebrae. An articulating ball-and-socket joint between the two elements resists compression and lateral movement between the vertebrae, but allows pivotal movement, thereby preserving mobility. Fusion chambers are provided for allowing bone ingrowth to fuse the elements to the vertebrae. Biocompatible, bioreabsorbable struts, shims, fillers and/or end caps are provided for temporary stabilization of the first and second hemicylindrical elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber or otherwise applied to the implant to enhance bone ingrowth.

Intervertebral disc

This invention relates to an intervertebral motion disc having two motion surfaces and. wherein the radius of the upper articulation surface of the core member is greater than the radius of the lower articulation surface of the core member, and wherein the first articulation surface of the core member is spherical and the second articulation surface of the core member is curved and non-spherical.

Arthroplastic device for intervertebral discs

Dynamic spinal segment replacement

A vertebral body system and method having a polyaxial fastener receiving member, adjustable width plates and a pedicle screw having a pedicle threaded portion and a threaded portion for fastening to the vertebral body.

Dynamic spinal segment replacement

A vertebral body system and method having a polyaxial fastener receiving member (6, 26), adjustable width plates (27) and a pedicle screw (700) having a pedicle threaded portion (8) and a threaded portion (7) for fastening to the vertebral body (1).

Dynamic spinal segment replacement

A vertebral body system and method having a polyaxial fastener receiving member (6, 26), adjustable width plates (27) and a pedicle screw (700) having a pedicle threaded portion (8) and a threaded portion (7) for fastening to the vertebral body (1).

System and method for joint resurfacing and repair

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.

ROLLING SPINE IMPLANT

具有横向弓形弯曲柱形接合表面的腰椎和颈椎用椎间盘内用假体

本发明涉及椎间盘内用假体，用于完全替换腰椎和颈椎区域的椎间盘，包括关节接合滑块。上滑块具有固定结合上椎体的装置，下滑块具有固定结合下椎体的装置，在滑块之间还设有至少一个滑动表面。提供了功能性2－构件和3－构件假体，两种假体的相同之处在于，由于侧侧向的柱形凸面和相应的凹面，只允许一个背腹向和旋转运动，该柱形凸面朝向腹向区域以横向弓形方式弯曲，但是滑块不在侧向倾斜。在另一个实施例中，柱形关节接合表面不弯曲，由此滑块仅能够在腹背向运动。本发明的椎间盘内用假体还适于侧向和腹侧向植入，特别是在修复手术中。

用于置换椎盘的系统和方法

本发明提供了人工盘假体和用于植入和修正的方法和器具。每个假体可包括上侧端板和下侧端板以及被定位在所述端板的关节连接表面之间的髓核。所述端板可具有呈平面的骨接合表面，所述骨接合表面具有多个自切割齿部。所述端板的所述关节连接表面可呈平面或包括平化部分。所述髓核包括上侧关节连接表面和下侧关节连接表面，所述关节连接表面可包括平化部分，以使得当所述髓核和所述端板的所述关节连接表面被置于优选取向下时，所述平化和/或呈平面的部分被对齐。每种假体可提供屈曲/伸展、前侧/后侧平移、侧向弯曲和/或轴向旋转的自由度。一个实施例包括一种假体，所述假体具有提供屈曲/伸展和前侧/后侧平移的第一关节和提供侧向弯曲和轴向旋转的第二关节。

Intervertebral disk arthroplasty device

A disk arthroplasty device (310) is provided for replacement of a spinal disk. The device is implantable into a resected disk space and is formed with ball (346) and socket (326) members and shaped to provide lateral bending and backward extension of up to about 5° and forward flexion of up to about 15°. Four embodiments (10), (110), (210) and (310) permit up to about 5° axial rotation and a fifth embodiment (410) permits unrestricted axial rotation. Metal insert cups (70) and (170) are provided for attaching to the device surfaces and are convexly shaped along one axis to conform to the natural contours of the top and bottom vertebra surfaces. The metal insert cups (70) and (170) provide tensile support to the structure and provide for the attachment of additional structures for retaining the device in position after implantation into a disk space.

Articulating spinal implant

A spinal implant for intervertebral disc replacement. The implant is formed from two hemicylindrical elements, each engaging one of an adjacent pair of vertebrae. An articulating ball-and-socket joint between the two elements resists compression and lateral movement between the vertebra, but allows pivotal movement, thereby preserving mobility. Fusion chambers are provided for allowing bone ingrowth to fuse the elements to the vertebrae. Biocompatible, bioreabsorbable struts, shims, fillers and/or end caps are provided for temporary stabilization of the first and second hemicylindrical elements. Bone chips removed from the vertebrae during implantation or bone growth stimulators can be inserted into the fusion chamber or otherwise applied to the implant to enhance bone ingrowth.

Artificial spinal disc

인공 디스크 보철이 제공된다. 본 발명의 보철은 그 표면을 가로지르는 가변의 높이를 갖도록 함으로써 척추 환절의 얼라인먼트를 가능하게 해준다. 가변 높이는 비대칭 인공 수핵에 의해 또는 하나 이상의 가변 높이의 단부 플레이트에 의해 달성된다. Artificial disc prostheses are provided. The prosthesis of the present invention allows for alignment of the spinal joint by having a variable height across its surface. Variable height is achieved by an asymmetric artificial nucleus or by one or more variable height end plates.

Prosthetic intervertebral motion disc having dampening

An articulating motion disc having a core member that expands laterally in response to an axial load to mimic the shock absorbing function of a natural intervertebral disc.

Intervertebral disk arthroplasty

A prosthetic disk having ball and socket members made of a material having expected durability to function properly for 40 years in a typical lumbar spine. The disk is shaped to provide movement in 6 degrees of freedom mimicking normal intervertebral movement, except compression. The arthroplasty device is non-compressible to maintain distraction of the facet joints posteriorly. Base plates with tabs can be fastened to the ball and socket members to ensure short-term and long-term fixation, although it is expected not to be necessary.

Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer

In various embodiment of the invention an implant can be placed between two adjacent vertebral bodies using a lateral insertion method. The implant is characterized as having a first end plate and a second end plate which a crossbar spacer there between. The crossbar spacer preferably fits within a channel on the inner surfaces of the first end plate and the second end plate, where the spacer allows the first end plate to pivot, twist and/or rotate relative to the second end plate. The first end plate and the second end plate include a keel extending therefrom, where the keel traverses longitudinally between a first lateral side and a second opposed lateral side and is substantially perpendicular to the sagittal plane of the patient's spine.

Surgical impaling member

一种用于矫形外科手术的植入物包括一穿刺组件(101，102)，其是可分离成多个部分(102a，102b)，用于穿刺并连附到组织，例如骨骼。一旦所述穿刺组件(101，102)的多个部分(102a，102b)被分离并连附到所需的组织，它们可以容纳多个稳定组件以进行固定，或容纳其它工具以用于多种过程，例如融合术。

Intervertebral disc endoprosthesis having cylindrical articulation surfaces that are curved in a transversally arched manner for the lumbar vertebral column and cervical vertebralcolumn

The invention relates to an intervertebral disc endoprosthesis for completely replacing the intervertebral disc in the lumbar vertebral column area and cervical vertebral column area, comprised of articulating sliding partners. The upper sliding partner has means for establishing a fixed connection with an upper vertebral body, and the lower sliding partner has means for establishing a fixed connection with a lower vertebral body, and at least one sliding surface is situated between the sliding partners. Functional two-part and three-part inventive embodiments are provided, and both prostheses are similar in that only one dorsoventral and rotating motion is possible due to the latero-laterally oriented cylindrical convexity/ies, which is/are curved in a transversally arched manner toward the ventral region, and to the corresponding concavity/ies, however no inclination of the sliding partners occurs in the lateral direction. In another embodiment, the cylindrical articulation surfaces are not curved, whereby the sliding partners are only able to move in the ventrodorsal direction. The inventive intervertebral disc endoprostheses are also suited for being implanted laterally and ventrolaterally, in particular, during revision operations.

Joint prostheses

The present invention provides an implantable joint prosthesis configured to replace a natural joint, and methods for implantation. The prosthesis may include a first component implantable in a first bone, having a first bearing surface, and a second component implantable in a second bone, having a second bearing surface which corresponds to the first bearing surface. Each bearing surface may include a flattened section such that when the bearing surfaces are placed in cooperation with one another in a preferred orientation, the flattened sections are aligned. Alternatively, the bearing surfaces may have and asymmetric configuration, with non-congruent surfaces that may enable correction of deformity. Several types of implantable joint prostheses are disclosed, including: carpometacarpal, metacarpophalangeal, metatarsophalangeal, distal interphalangeal, proximal interphalangeal, ankle, knee, shoulder, and hip.

Disc replacement device

Intervertebral disk arthroplasty device

A disk arthroplasty device (310) is provided for replacement of a spinal disk. The device is implantable into a resected disk space and is formed with ball (346) and socket (326) members and shaped to provide lateral bending and backward extension of up to about 5° and forward flexion of up to about 15°. Four embodiments (10), (110), (210) and (310) permit up to about 5° axial rotation and a fifth embodiment (410) permits unrestricted axial rotation. Metal insert cups (70) and (170) are provided for attaching to the device surfaces and are convexly shaped along one axis to conform to the natural contours of the top and bottom vertebra surfaces. The metal insert cups (70) and (170) provide tensile support to the structure and provide for the attachment of additional structures for retaining the device in position after implantation into a disk space.

Joint prostheses

Artificial Spinal Disc

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

Subtalar implant for arthroereisis of the talocalcaneal joint

A subtalar implant for arthroereisis of the talocalcaneal joint. The implant is intended to be inserted into the talocalcaneal joint via its lateral orifice and has an oblong shape that extends longitudinally along an axis of insertion of the implant. The implant includes: a head with the shape of a cone of revolution centred on the axis of insertion; an anchoring thread; and a rod having the shape of a cylinder of revolution. The rod has, on its surface, the anchoring thread and being configured to be inserted up to the axis of rotation of the talocalcaneal joint. The head has, on its radially outer surface, a retaining element for retaining the implant in rotation about the axis of insertion, the retaining element exerting retention against a colonising tissue.

Skeletal reconstruction cages

System and method for joint resurfacing and repair

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.

Magnet arrangement for implantation on an artificial intestinal outlet and production method therefor

In a magnet arrangement for implantation on an artificial intestinal outlet, comprising two separate cylindrical segments which can be connected to one another and are each formed by a magnet segment coated with a highly body-compatible material, in order to increase the body compatibility and to facilitate implantation it is proposed that the coating of every magnet segment be formed of a double-walled sheath (3, 4) having the shape of a cylindrical segment which can be sealed at the front side and is made of an AlTiFe alloy. A method employed for producing such a magnet arrangement is distinguished by a magnet segment being inserted in a sheath open on one side, and a front wall sealing the opening then being welded thereon, the magnet segment preferably being magnetised after the welding procedure. <IMAGE>

Method of laterally inserting an artificial vertebral disk replacement with translating pivot point

An implant that can be placed between two vertebrae using a lateral insertion method is described. The implant is characterized by having a first end plate and a second end plate with a hemi-cylindrical spacer extending from the second end plate. The hemi-cylindrical spacer fits within a socket on the first end plate and allows for pivotal or rotational motion and also for twisting motion.

Joint prosthesis

The invention relates to a joint prosthesis (1) with a base piece (13), which may be anchored in the bone, a collar piece (12), defining a collar axis (33), connected thereto and a collar extension (27), lying on the collar axis (33), for mounting a head cap (29), whereby an articulation chamber (19) is formed in the base piece (13). An articulation head (25) on the collar piece (21) is arranged therein. The joint prosthesis (11) further comprises a head cap (29) arranged on the collar extension (27) and at least one press piece (31) for pressing the articulation head against the base of the articulation chamber (19). Furthermore, means for connecting press piece (31) and base piece (13) are provided. In said joint prosthesis (11) the press piece comprises a press disc (31) with a through opening (35) for the collar extension (27).

INTERSOMATIC RACHIDIAN IMPLANT WITH HIGHLIGHTS

Artificial spinal disc

The present invention relates to methods and devices for the treatment of disc disease and spinal deformities with an artificial disc replacement.

Method of Preparing an Ankle Joint for Replacement, Joint Prosthesis, and Cutting Alignmnet Apparatus for Use in Performing an Arthroplasty Procedure

A method prepares an ankle joint of a patient for replacement. The patient includes a tibia ( 20 ) having a medial portion ( 22 ), a talus ( 40 ), and an ankle ( 10 ) having a medial portion. The method employs a cutting alignment apparatus ( 50 ) including a first portion external to the patient and a second portion, and surgically prepares and exposes the medial portion of the ankle for replacement. The second portion of the cutting alignment apparatus is coupled to the tibia, and a cutting guide ( 90 ) is disposed with respect to the cutting alignment apparatus. The medial portion of the tibia is detached, a portion of the tibia proximate the talus is cut, and a portion of the talus proximate the tibia is cut. An ankle prosthesis ( 100 ) is installed to the ankle, and the medial portion of the tibia is reattached.

Intervertebral disc endoprosthesis having cylindrical articulation surfaces

The invention relates to an intervertebral disc endoprosthesis for completely replacing the intervertebral disc in the lumbar vertebral column area and cervical vertebral column area, comprised of articulating sliding partners (11, 12, 13). The upper sliding partner (11) has means for establishing a fixed connection with an upper vertebral body, and the lower sliding partner (12) has means for establishing a fixed connection with a lower vertebral body, and at least one sliding surface is situated between the sliding partners. Functional two-part and three-part inventive embodiments are provided, and both prostheses are similar in that only dorsoventral movement deflections are possible due to the latero-laterally oriented cylindrical convexities and corresponding concavities. In another embodiment, the cylindrical articulation surfaces are transversally curved toward the ventral region whereby enabling a minimal rotation of the sliding partners relative to one another. The intervertebral disc endoprostheses are also suited for being implanted laterally, in particular, during revision operations.

Disc arthroplasty

(57)【要約】 椎間板関節整形装置（３１０）は脊椎の椎間板に代わって配置される。装置は切り取った椎間板空間に移植でき、ボール部材（３４６）とソケット部材（３２６）とを備え、横曲げと、約５度までの後方伸びと、約１５度までの前方撓みとを提供するように形状づけられている。４つの実施例（１０、１１０、２１０、３１０）は約５度の軸方向回転を許容し、第５の実施例（４１０）は拘束のない軸方向回転を許容する。金属インサートカップ（７０、１７０）を設けて装置の表面に取り付け、椎骨の上表面及び下表面の自然の輪郭に適合するように１つの軸線に沿って凸状を呈する。金属インサートカップ（７０、１７０）は構造体に対して引っ張り支持を提供し、椎間板空間への移植後に装置を適所に保持するための負荷的な取り付け構造を提供する。

Systems and methods for patient-specific total disc replacement

A method of tailoring a spinal implant to correspond to a specific patient's needs includes: pre-operatively evaluating a patient to determine a desired spinal segment response; and modifying one or more features of flexures of an implant to provide the desired spinal segment response. Modifying one or more features of flexures of the implant can include modifying one or more of a thickness, width, length and/or shape of the features of the flexures. Various systems for executing the methodologies taught herein are also provided.

Method of preparing an ankle joint for replacement, joint prosthesis, and cutting alignment apparatus for use in performing an arthroplasty procedure

Prosthesis, especially for a replacement ankle joint, has an intermediate section with upper and lower sliding surfaces against the sliding surfaces of the components bonded to the upper and lower bones

The prosthesis, especially as an ankle joint replacement, has a component (1) for bonding with the lower end of the tibia (91) with a lower sliding surface and a component (4) bonded to the upper surface of the lower bone (92) with an upper sliding surface. An intermediate section (2) has sliding surfaces on its upper and lower sides against the sliding surfaces of the components, giving a movement plane. A clamping hoop (3) covers the side surfaces of the intermediate section, lying on a flange free of the moving plane of the sliding surfaces.

Laterally insertable artificial vertebral disk replacement implant with curved spacer

An intervertebral disk implant is adapted to be placed between two vertebrae using a lateral insertion method. The implant is characterized by features including a first end plate having a first socket and a second end plate having a second socket with a spacer that is at least partially received in the first socket and the second socket. The implant includes at least one keel that is adapted to be inserted laterally into a vertebral body of the spine. The spacer allows for pivotal or rotational motion and also for twisting motion of the spine once the implant is inserted between vertebrae of a patient.

Intervertebral disk arthroplasty device

Constrained acetabular liner

Artificial Spinal Disc

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

Buckling disc replacement

Devices and methods are provided for replacing a spinal disc, and in particular devices and methods are provided that rely on buckling to control movement of adjacent vertebrae. In one embodiment, an artificial disc replacement implant is provided and includes an implantable body having a superior surface adapted to be positioned adjacent to an endplate of a superior vertebra, and an opposite inferior surface adapted to be positioned adjacent to an endplate of an adjacent inferior vertebrae. The implantable body includes at least one wall formed therein and extending between the superior and inferior surfaces. The wall(s) can be adapted such that, when the implantable body is disposed between the endplates of adjacent superior and inferior vertebrae, the wall(s) will buckle by moving laterally and shorting in height under a load applied thereto by movement of the adjacent vertebrae. The implantable body can also include at least one opening formed adjacent to the wall(s) and extending between the superior and inferior surfaces of the implantable body.

Spinal implant

A spinal implant comprises a first rolling-contact core operably coupled to a first vertebra, said first rolling-contact core having a first convex surface having a first axis, said first convex surface configured to provide a first rolling motion in a first direction to said first vertebra relative to a second vertebra. At least one flexure is connected to said first rolling-contact core, said flexure configured to constrain said first rolling motion.

Systems and methods for patient-specific total disc replacement

A method of tailoring a spinal implant to correspond to a specific patient's needs includes: pre-operatively evaluating a patient to determine a desired spinal segment response; and modifying one or more features of flexures of an implant to provide the desired spinal segment response. Modifying one or more features of flexures of the implant can include modifying one or more of a thickness, width, length and/or shape of the features of the flexures. Various systems for executing the methodologies taught herein are also provided.

Buckling disc replacement

An artificial disc replacement implant is provided that includes an implantable body having a superior surface adapted to be positioned adjacent to an endplate of a superior vertebra, and an opposite inferior surface adapted to be positioned adjacent to an endplate of an adjacent inferior vertebrae. The implantable body includes at least one wall formed therein and extending between the superior and inferior surfaces. The wall(s) can be adapted such that, when the implantable body is disposed between the endplates of adjacent superior and inferior vertebrae, the wall(s) will buckle by moving laterally and shorting in height under a load applied thereto by movement of the adjacent vertebrae. The implantable body can also include at least one opening formed adjacent to the wall(s) and extending between the superior and inferior surfaces of the implantable body.

Articulating spinal implant

一种用于椎间盘复位的脊柱植入物(10)。植入物由两个半圆柱形元件(20、22)构成，每个元件与相邻的成对脊椎(12、14)之一接触。一铰接的球与穴接头和/或摇杆以及两元件之间的通道抵抗脊椎之间的压力和阻止侧向运动，但允许枢转运动，藉此防止移位。融合室(30、34)可使骨头向内生长以使诸元件与脊椎融合。生物相容的、可生物吸收的支柱、填隙片(82)、垫片和/或端盖(90)可使第一(20)与第二(22)半圆柱形元件临时稳定。可将移植期间从脊椎上去除的骨碎片或骨生长激励器插入融合室，或将其它方法应用于植入物以使骨头向内生长。

Artificial spinal disc

An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.

Centering element for bone implants

The prosthesis (3) has a hollow shaft set longitudinally into it and openings (11,12) on the outer side which are connected to a hollow body (10). This hollow body is situated axially centrally in the prosthesis. The shaft (4) is held in its required position by radial lugs (8) at the outer end and a centralising plug (9) at the inner end. This plug is made of porous material.

Integrally formed inflatable spinal implant and its manufacture and method for implantation

一种用于插入两个相邻椎骨之间的椎间盘间隙中的一体形成的可膨胀脊柱植入物。该一体形成的可膨胀脊柱植入物能够从未膨胀构型移动至膨胀构型，并且可由3D打印机制造。该一体形成的可膨胀脊柱植入物包括上部部分、下部部分、近侧壁、第一远侧壁部分、第二远侧壁部分、以及由至少一个附接点连接到所述脊柱植入物的分离器。分离工具使分离器断开以脱离至少一个附接点，并且使分离器在植入物内移动以迫使所述植入物从未膨胀构型膨胀至膨胀构型。

Buckling disc replacement

Devices and methods are provided for replacing a spinal disc, and in particular devices and methods are provided that rely on buckling to control movement of adjacent vertebrae. In one embodiment, an artificial disc replacement implant is provided and includes an implantable body having a superior surface adapted to be positioned adjacent to an endplate of a superior vertebra, and an opposite inferior surface adapted to be positioned adjacent to an endplate of an adjacent inferior vertebrae. The implantable body includes at least one wall formed therein and extending between the superior and inferior surfaces. The wall(s) can be adapted such that, when the implantable body is disposed between the endplates of adjacent superior and inferior vertebrae, the wall(s) will buckle by moving laterally and shorting in height under a load applied thereto by movement of the adjacent vertebrae. The implantable body can also include at least one opening formed adjacent to the wall(s) and extending between the superior and inferior surfaces of the implantable body.

Bone implant with a cavity

The prosthesis (3) has a hollow shaft set longitudinally into it and openings (11,12) on the outer side which are connected to a hollow body (10). This hollow body is situated axially centrally in the prosthesis. The shaft (4) is held in its required position by radial lugs (8) at the outer end and a centralising plug (9) at the inner end. This plug is made of porous material.

Articulating spinal implant

An articulating spinal implant for intervertebral disc replacement. The articulating spinal implant is formed from two elements (20, 22), each engaging one of an adjacent pair of vertebra. An articulating means (24) between the two elements resists compression and lateral movement between the vertebra, but allows the adjacent vertebra to articulate about an instantaneous axis of rotation (44).

Inter-Vertebral Disc Motion Devices and Methods of Use

A mobile device is adapted to at least partially replace the motion characteristics of a natural inter-vertebral disc positioned in a disc space. In an embodiment, a receptacle is coupled to the bearing surface. The receptacle is adapted to accept an implantable material without the removal of the bearing surface, wherein the implantable material contacts the abutment surface of each of the vertebral bodies adjacent to the disc space and leads to fusion and immobilization of two vertebral bodies adjacent the disc space

Surgical impaling member

An implant for orthopedic surgery includes an impaling member (101,102), which is separable into portions (102a, 102b) for impaling and attaching to tissue, for example, bone. Once the portions (102a, 102b) of the impaling member (101,102) are separated and attached to the requisite tissue, they may accommodate stabilizing members for fixation, or other instrumentation for procedures such as fusion.

Artificial spinal disc

The present invention relates to methods and devices for the treatment of disc disease and spinal deformities with an artificial disc replacement.

Systems and methods for vertebral disc replacement

Methods and instrumentation for implantation of an intervertebral disc prosthesis are provided. A guide tool with sagittal and coronal reference features guides placement of guide pins relative to a sagittal plane and a coronal plane of the vertebrae. A retainer lockable to the guide pins has a ratcheting mechanism providing distraction or compression. A rasp, planer or other tools may be aligned to the retainer and inserted into the intervertebral space to prepare the vertebral endplates. An interoperatively adjustable trial is alignable to the retainer and measures an angularity of the intervertebral space. A prosthesis with keying features may be mounted to a prosthesis inserter with complementary features, held by pivotable arms and compressed between prongs. The inserter may be aligned to the retainer and advanced to implant the prosthesis in the intervertebral space. A prosthesis remover may grip one prosthetic end plate and extract the entire prosthesis.

Integrally formed expandable spinal implant and methods of making and implanting the same

一种用于插入两个相邻椎骨之间的椎间盘间隙中的一体形成的可膨胀脊柱植入物。该一体形成的可膨胀脊柱植入物能够从未膨胀构型移动至膨胀构型，并且可由3D打印机制造。该一体形成的可膨胀脊柱植入物包括上部部分、下部部分、近侧壁、第一远侧壁部分、第二远侧壁部分、以及由至少一个附接点连接到所述脊柱植入物的分离器。分离工具使分离器断开以脱离至少一个附接点，并且使分离器在植入物内移动以迫使所述植入物从未膨胀构型膨胀至膨胀构型。

Mehrteilige implantate aus knochenmaterial

Bandscheibenendoprothese mit transversal bogenförmig gekrümmten zylindrischen artikulationsflächen für die lenden- und halswirbelsäule

Arthroplastische vorrichtung für zwischenwirbelscheiben

Arthroplastische vorrichtung als bandscheibenersatz

Arthroplastische vorrichtung für zwischenwirbelscheiben

Gelenkiges wirbelsäulenimplantat

Disc replacement device and method of use

A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed.

Ankle prosthesis

A prosthesis for total ankle arthroplasty, comprising: a talar implant; a tibial implant; and a bearing component disposed between the tibial implant and talar implant and configured to slide relative to the talar implant to facilitate motion of the prosthesis. The bearing component and the talar implant having corresponding sliding surfaces, the corresponding sliding surfaces defining concentric cylindrical surfaces and an axis of rotation. The concentric cylindrical surface of the bearing component has a ridge configured to slide in a corresponding groove in the concentric cylindrical surface of the talar implant. The alignment of the bearing component and the talar implant, along the axis of rotation, is only due to the interaction of the ridge and the groove.

System and method for joint resurfacing and repair

An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.

Gelenkprothese

Endoprothese für ein schultergelenk