FEMURKOPFENDOPROTHESE

HUMAN INTERMEDIATE EDDY PROSTHESIS

FEMURKOPFENDOPROTHESE

PLUG FOR FILLING BONE DEFECTS

INTER+SOMATIC SPINAL COLUMN IMPLANT WITH ANCHORAGE ELEMENTS

Prosthetic valves with mechanically coupled leaflets

Described embodiments are directed toward centrally-opening leaflet prosthetic valve devices having a leaflet frame and a mechanically coupled leaflet. The described leaflet frames have projections that are configured to couple with a leaflet attachment region of a leaflet. Some embodiments include a leaflet retention feature that engages the leaflet frame projections and operates to secure the leaflet to the leaflet frame. Methods of making and using such prosthetic valve devices are also described.

Soft tissue support

The invention comprises a soft tissue support (1) in the form of a biocompatible resilient layer with a predetermined shape and means to secure the support subcutaneously. The support may be a generally L-shaped or U-shaped and be manufactured from a biocompatible resilient mesh.

Replacement facet joint and method

Bone prosthesis with protected coating for penetrating bone intergrowth

Adjustable temporomandibular surgical implant

ENDOPROSTHESIS HAVING FOOT EXTENSIONS

Endoprosthesis, such as a stent, includes at least one annular element defined by a first set of strut members interconnected to define apices proximate opposite sides of the annular element (20). The annular element (20) further includes a foot extension (40) extending between at least one pair of circumferentially-adjacent strut members (20). The foot extension has first (41) and second (43) foot portions extending circumferentially from corresponding ends of the circumferentially-adjacent strut members, and are contoured to provide at least two areas of flexure. The first and second foot portions are joined at a toe portion (48) of the foot extension, and define a circumferentially-directed apex between the pair of circumferentially-adjacent strut members. Preferably, at least one or more additional annular elements, each defined by interconnected strut members, are provided. The annular elements are generally expandable between a delivery configuration and a deployed configuration.

FEMORAL PROSTHESIS COMPONENT SYSTEM FOR KNEE REPLACEMENT SURGERY

A femoral prosthesis component system particularly for knee revision surgery comprising a set of femoral implant components constructed around a set of geometrical constants which allows resection of the distal femur to be conducted using the intramedullary canal as a reference point and without the requirement of first measuring for a specific implant size. The construction of all the components in the set is based around a constant relationship between the intramedullary shaft and the anterior flange such that the anterior resection is the same regardless of the size of the component used and the distal and posterior resections are standard cuts made based on this relationship and the intramedullary canal reference point. Adjustment of the distal and posterior resections to fit is made with a set of augments having dimensions also based on the standard distal and posterior resection cuts.

HUMAN SPINAL DISC PROSTHESIS

The invention relates to a spinal disc endoprosthesis. The endoprosthesis ha s a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments m ay be constructed. To implant this endoprosthesis assembly, information is obtained regarding t he size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine. ...

MODULAR ACETABULAR REINFORCEMENT SYSTEM

A modular acetabular reinforcement system includes a substantially cup-shaped reinforcement body having a peripheral flange portion. One or more fixation wing s, of various sizes and shapes, are selectively and separately attachable to the flang e portion of the reinforcement body. The system is mountable within the acetabulum of a patient t o reinforce the acetabulum and to serve as a platform for other prosthesis components such a s an acetabular shell.

FEMURKOPF PROSTHESIS.

FEMORAL STEM FOR HIP PROSTHESIS

L'invention concerne une tige fémorale (1) pour prothèse de hanche comportant une partie proximale métaphysaire (2) et une partie distale diaphysaire (3) de forme allongée, destinée à être introduite dans la cavité médullaire d'un fémur, les parties métaphysaire (2) et diaphysaire (3) étant reliées par une zone d'interface (4) sensiblement plane correspondant à la zone de coupe du fémur, caractérisé en ce que la tige fémorale (1) comporte, dans sa partie diaphysaire (3), au moins une rainure (5) ou nervure dont une partie au moins est parallèle à l'interface (4) et adjacente à celle-ci. The invention relates to a femoral stem (1) for hip prosthesis comprising a proximal metaphyseal part (2) and a distal diaphyseal part (3) of elongated shape, intended to be introduced into the medullary cavity of a femur, the metaphyseal parts. (2) and diaphyseal (3) being connected by a substantially planar interface zone (4) corresponding to the cutting zone of the femur, characterized in that the femoral stem (1) comprises, in its diaphyseal part (3), at least one groove (5) or rib, at least part of which is parallel to and adjacent to the interface (4).

Intervertebral cervical disc prosthesis

The prosthesis comprises two elements connected by a joint. One comprises a hollow frame (1) parallelepiped shaped with a front opening facing upwards on an oblique wall (2) and carrying a lower transverse projection (3) as a plate having two fixing holes (4). The frame is lined with polyethylene coated with an antifriction material (5) to form a seat for a stop piece formed as an annular mouth (6) placed at the centre of the inclined wall at the top, providing access to a conical cradle (7) which by a cylindrical passage (8) opens into a spherical seat (9). The spherical seat has its sliding movement controlled by the seat itself and secures a spherical joint body (10) of the other element. This forms an end part of a displacement arm which has a neck (11) curved inwards in the cylindrical passage and a conical outlet part (12) whose movement is controlled by the conical cradle. The spherical body comprises a part which projects with respect to the central post (13) having a transvers plate (14) with two fixing holes (15) which is placed under the fixing part of the prosthesis.

HIP JOINT ENDOPROSTHESIS

Modular acetabular reinforcement system

A modular acetabular reinforcement system includes a substantially cup-shaped reinforcement body having a peripheral flange portion. One or more fixation wings, of various sizes and shapes, are selectively and separately attachable to the flange portion of the reinforcement body. The system is mountable within the acetabulum of a patient to reinforce the acetabulum and to serve as a platform for other prosthesis components such as an acetabular shell.

Intraocular lens with vaulting haptic

An intraocular lens that includes an optical lens body and haptics extending outwardly from the optical lens, said haptics extending at about a zero degree of angulation with respect to the lens body when not under compression and at least one haptic having at least one segment which is formed so that upon compression of the haptics under conditions similar to implantation said at least one segment will create a torque which causes the lens to vault in only one predetermined direction and to a predetermined angulation greater than zero.

FEMORAL PROSTHESIS

... 1510968 Femoral prostheses CHARNLEY SURGICAL INVENTIONS Ltd 8 Aug 1975 [29 Aug 1974 6 Sept 1974] 37732/74 and 38965/74 Heading ASR A femoral prostheses 26 comprises a head supported by a neck which projects from an end of a stem 33 having a curved portion adjacent the neck, wherein there is provided at least one lateral flange 16, 34, 35 extending outwardly from a convex surface of the stem. The flanges are widest at a position adjacent to the neck and taper down the stem. The flanges preferably extend at an acute angle from the stem and help prevent breaking up of the cement 31 or movement of the stem away from the cement. Saw - tooth serrations 27 have teeth pointing away from the neck so that the prostheses may be readily removed, while still providing a key for the acrylic cement.

STENT AND PROCEDURE FOR MANUFACTURING A SUCH STENTS

STENTS WITH ROENTGEN MARKERS

Prosthetic intervertebral discs

Spondylodesis device

IMPLANTABLE SPINAL DEVICE REVISION SYSTEM

The invention discloses devices, methods and systems for an implantable revision device useful for altering the biomechanics of an implanted spinal arthroplasty device. The revision device has a first surface adapted to communicate with a natural anatomical surface; and a second surface adapted to engage a portion of the arthroplasty device. The device alters the biomechanics of the implanted spinal arthroplasty device permanently semi~permanently and/or temporarily.

PROSTHETIC VALVES WITH MECHANICALLY COUPLED LEAFLETS

Described embodiments are directed toward centrally-opening leaflet prosthetic valve devices having a leaflet frame and a mechanically coupled leaflet. The described leaflet frames have projections that are configured to couple with a leaflet attachment region of a leaflet. Some embodiments include a leaflet retention feature that engages the leaflet frame projections and operates to secure the leaflet to the leaflet frame. Methods of making and using such prosthetic valve devices are also described.

INTRALUMINAL STENT AND PREPARATION METHOD THEREFOR

An intraluminal stent (1) and a preparation method therefor. The intraluminal stent (1) comprises at least one sub-stent. The sub-stent comprises a first thread (4) extending at least along a first spiral direction and a second thread (5) extending at least along a second spiral direction, and the extension directions of the two are different so as to form several thread crossing points. The intraluminal stent (1) has a plurality of covered parts (2) so that two corresponding thread ends are covered therein. The outer peripheries of the covered parts (2) are provided with covering connectors (3), two end parts of each covering connector (3) and corresponding areas at two ends of the covering parts (2) form stable connections, and the two thread ends of each of the covered parts (2) are covered by means of the covering connectors (3). The amount of damage done to intraluminal tissue by the described stent (1) is relatively small, and the stent has relatively strong stretch resistance.

SOFT TISSUE GRAFTS, AND METHODS OF MAKING AND USING SAME

Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi- directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material.

PROSTHETIC INTERVERTEBRAL DISCS

Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs.

SOFT TISSUE SUPPORT

The invention comprises a soft tissue support (1) in the form of a biocompatible resilient layer with a predetermined shape and means to secure the support subcutaneously. The support may be a generally L-shaped or U-shaped and be manufactured from a biocompatible resilient mesh.

HIP JOINT ENDOPROSTHESIS

PROSTHESIS OF CERVICAL INTERVERTEBRAL DISC

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.

Shoulder prosthesis with anatomic reattachment features

A humeral prosthesis features improved anatomic attachment areas for tendon or bone. In the preferred embodiment, in contrast to existing devices, at least one set of tendon/bone attachment points are provided along a line, at least a portion of which is divergent with respect to the axis of the stem. One or more sets of attachment points may be further be provided along a line which is substantially parallel to the axis of the stem, resulting in a "T" "L" or "U" shape. Alternatively, attachment points having a changing degree of diversion with respect to the axis of the stem may be provided along a common, curved line. The attachment points may simply be apertures formed through the body of the implant though, in the preferred embodiment, the apertures are provided on raised tabs. An area of bone-ingrowth material may be provided adjacent the attachment points, and may include a separate fastening mechanism such as a threaded hole to receive a screw. A groove may also be provided in any ...

GASTROESOPHAGEAL REFLUX TREATMENT SYSTEM, METHOD, AND DEVICE

An improved gastroesophageal reflux preventer and related methods are provided. The improved gastroesophageal reflux preventer may include an absorbable material able to be placed in contact with a body organ and configured to induce a scarification of the body organ in response to absorption by the body organ of the material. In this manner, a proximate sphincter may be tightened, such as to ameliorate reflux through a gastroesophageal sphincter.

Prothesenbausatz für ein Schultergelenk

EDDY BODY FUSION TRANSPLANT

DEVICE FOR THE SPONDYLODESE

MULTIPART IMPLANTS FROM BONE MATERIAL

HÜFTSCHAFT ZENTRALISATOR DATUMFÜHRUNG

Replacement facet joint and method

Prostheses and methods for repair of cervical fact joints. In one aspect, the articulating surfaces of the natural facets of a facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis. In another aspect, the invention provides a single prosthesis that is useful in repairing articulating surfaces in more than one cervical facet joint.

REPLACEMENT FACET JOINT AND METHOD

IMPROVED GASTROESOPHAGEAL REFLUX TREATMENT SYSTEM, METHOD, AND DEVICE

An improved gastroesophageal reflux preventer and related methods are provided. The improved gastroesophageal reflux preventer may include an absorbable material able to be placed in contact with a body organ and configured to induce a scarification of the body organ in response to absorption by the body organ of the material. In this manner, a proximate sphincter may be tightened, such as to ameliorate reflux through a gastroesophageal sphincter.

SPONDYLODESIS DEVICE

Disclosed is a device comprising at least one intervertebral implant (3) and at least one plate (4, 5) that is to be connected to the intervertebral implant (3) and an adjacent spine (21-23). The intervertebral implant (3) is connected to at least two spaced-apart plates (4, 5). One end of both plates (4, 5) respectively forms a fixable joint along with the intervertebral implant (3). Preferably, at least one of the plates (5, 4) is embodied in a Z- shaped or L-shaped manner. The inventive device provides for great adaptability to the anatomic characteristics of the spinal column and a modular structure while the number of parts is kept small.

ORTHOPAEDIC ASSEMBLY INCLUDING AN ACETABULAR CUP AND CUP INSERTER

An orthopaedic assembly includes a first portion or an acetabular cup and a second connecting portion or a cup inserter. The acetabular cup includes a cavity for receiving a femoral head and a pole defining a longitudinal axis through the cavity. The acetabular cup further includes an annular face which bounds the cavity and has a plurality of notches extending therein. Each notch includes an undercut wall. The annular face further includes a projection receiving device. A cup inserter includes a body with an end face and a plurality of fingers extending from the end face. Each finger is insertable into a corresponding one of the notches in a direction parallel to the longitudinal axis and is rotatable around the longitudinal axis to a locking position. Each finger includes a transverse surface which matingly engages with a corresponding one of the undercut walls when the finger is in the locking position. The cup inserter further includes a projection and a biasing device. The projection is slidably carried within the body and is movable between a retracted position and an extended position. The biasing device biases the projection toward the extended position. The projection is biased to the extended position and received within the projection receiving device of the cup when each finger is in the locking position.

MOBILE BEARING KNEE WITH METAL ON METAL INTERFACE

In the subject invention, the articulating component includes a metal tray a nd a polyethylene bearing molded or otherwise connected to the metal tray. The distal surface of the metal tray, the surface in contact with the tibial component, is highly polished and is substantially flat. The proximal surface of the tibial component, the surface in contact with the articulating component, is likewise highly polished and substantially flat. In use, the t wo highly polished flat surfaces provide an environment wherein the articulating surface may freely move relative to the tibial component as the patient's knee joint is flexed and extended during movement ...

TOGETHER PROSTHETIC Of ARTICULATION OF the SHOULDER

SKELETAL STABILIZATION IMPLANT

A spinal implant is described in this disclosure. The implant includes first and second pieces separated by a controlled break location. Spinal implant kits having multiple spinal implant pieces derived from a common source also are disclosed.

Shoulder prosthesis with anatomic reattachment features

A humeral prosthesis features improved anatomic attachment areas for tendon or bone. In the preferred embodiment, in contrast to existing devices, at least one set of tendon/bone attachment points are provided along a line, at least a portion of which is divergent with respect to the axis of the stem. One or more sets of attachment points may be further be provided along a line which is substantially parallel to the axis of the stem, resulting in a “T” “L” or “U” shape. Alternatively, attachment points having a changing degree of diversion with respect to the axis of the stem may be provided along a common, curved line. The attachment points may simply be apertures formed through the body of the implant though, in the preferred embodiment, the apertures are provided on raised tabs. An area of bone-ingrowth material may be provided adjacent the attachment points, and may include a separate fastening mechanism such as a threaded hole to receive a screw. A groove may also be provided in any embodiment to receive the biceps tendon. Particularly with respect to fractures, including multi- and ‘four-part’ fractures, means specifically intended for the rigid reattachment of the greater or lesser tuberosities may be provided separately or in conjunction with other sets of reattachment configurations.

Heart valve and endovascular graft components and method for delivery

A medical device including a valve member with an elongate tubular portion with at least one aperture disposed in a sidewall at a location between the proximal and distal ends, and a plurality of leaflets; a first endovascular graft coupled to the valve member; and a second endovascular graft coupled to the first endovascular graft; and an expandable anchor member coupled to the second endovascular graft.

Prosthetic assembly for a shoulder joint

Shoulder joint prosthesis has glenoid component head made with centre of rotation offset below its median plane and anatomical centre The shoulder joint prosthesis consists of a glenoid component with a convex hemispherical head (1) and a scapula fixing, designed to co-operate with a thrust and slip surface on a humeral component fixed in the humeral diaphysis. The centre of rotation (O2) of the head (1) is offset downwards in relation to the median plane and the anatomical centre (O1) socket. This gives a corresponding lowering of the joint head, which has an extension (1c) adjacent to the scapula's external pillar giving an increased adduction rotation to the joint. It also lowers the point of application of efforts which enhance the leverage applied by the deltoid muscle on the abduction movement.

EINSTELLBARES CHIRURGISCHES KIEFERGELENKIMPLANTAT

Femoral head prosthesis

In the region of the prosthetic neck (2) or the proximal end of its stem (1) the prosthesis has a lateral trochanter support (5) with a support surface (7) with bores (8, 9) which slopes like a roof. The trochanter support (5) is used to fix the greater trochanter or the muscles or ligaments attached to it if a natural tissue bridge between the shaft of the femur and the trochanter is missing or can no longer bear loads because of bone destruction. ...

DYNAMIC IMPLANTIERTES INTERMEDIATE EDDY SPACER DISTANCE PIECE

SNAP RING FOR A HIP JOINT PAN

HUMAN INTERMEDIATE EDDY PROSTHESIS

TWO-PIECE ßLß FÖRMIGE PHAKI INTRAOKULARLINSE

IMPLANT

FEMURKOPFENDOPROTHESE

SOFT TISSUE GRAFTS, AND METHODS OF MAKING AND USING SAME

Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi- directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material.

SPONDYLODESIS DEVICE

Disclosed is a device comprising at least one intervertebral implant (3) and at least one plate (4, 5) that is to be connected to the intervertebral implant (3) and an adjacent spine (21-23). The intervertebral implant (3) is connected to at least two spaced-apart plates (4, 5). One end of both plates (4, 5) respectively forms a fixable joint along with the intervertebral implant (3). Preferably, at least one of the plates (5, 4) is embodied in a Z- shaped or L-shaped manner. The inventive device provides for great adaptability to the anatomic characteristics of the spinal column and a modular structure while the number of parts is kept small.

SOFT TISSUE GRAFTS, AND METHODS OF MAKING AND USING SAME

Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi-directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material.

Prosthetic implant for the shoulder with a support element having a support and sliding surface able to cooperate with the joint head of the implant and the anatomical socket of the shoulder blade

A glenoidal prosthetic implant for the shoulder joint comprises a hemispherical convex joint head (1) cooperating with a support and sliding surface that has a humeral implant fixed in the humeral diaphysis. The head has some fixing arrangements with an independent support element (4) able to be fixed at the level of the anatomical socket. The support element has, going beyond a support and fixing surface (4a) with the anatomical socket and from its lower edge, a ledge (4b) constituting a portion of a sphere able to cooperate with the head, along the same diameter, and with the pillar of the shoulder blade.

TOOLS FOR the INSTALLATION Of a CUP Of a PROSTHESIS OF HIP HAVE DOUBLE MOBILITY AND CUP Of SUCH a PROSTHESIS

Cup fixing tool for use during acetabulum prosthesis, has fixed anchorage fingers adapted to be anchored with cup along bayonet attachment, and articulated anchorage finger including tab movable between locking and released positions

The tool has a gripper (16) adapted to be anchored with a cup, and includes a central unit (22) extending along an axial direction. Two fixed anchorage fingers (15) and an articulated anchorage finger (18) are arranged as a star with respect to the central unit. The fingers (15) are adapted to be anchored with the cup along a bayonet attachment. The finger (18) has a tab i.e. hook, rotatably mounted along a rotational axle (26) perpendicular to an axle of the central unit. The tab is mobile between a locking position in which the finger (18) is anchored in the cup at a released position. An independent claim is also included for a cup for an acetabulum prosthesis.

SPINAL FUSION ASSEMBLY

An improved interbody spinal fusion assembly (100) for fusing a first vertebra (82) to a second vertebra (84) includes an interbody cage (110), a first plate (120) and a second plate (130). The interbody cage (110) is configured to be implanted between the first and second vertebras and comprises through-apertures (113) configured to be filled with bone fusing material. The first plate (120) comprises an L-shaped body having a first end (126b) configured to be attached to a first location of the interbody cage, a second end (126a) configured to be attached to a first location of the first vertebra (82) and a corner (127b) formed between the first and second ends and configured to be attached to a second location of the first vertebra or a third location of the interbody cage. The second plate (130) comprises a first end (136a) configured to be attached to a second location of the interbody cage and a second end (136b) configured to be attached to a first location of the second vertebra ...

Replacement facet joint and method

Prostheses and methods for repair of a cervical facet joint. The articulating surfaces of the natural facets of the facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of prostheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis.

Prosthetic intervertebral discs

Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs.

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.

IMPLANTABLE SPINAL DEVICE REVISION SYSTEM

The invention discloses devices, methods and systems for an implantable revision device useful for altering the biomechanics of an implanted spinal arthroplasty device. The revision device has a first surface adapted to communicate with a natural anatomical surface; and a second surface adapted to engage a portion of the arthroplasty device. The device alters the biomechanics of the implanted spinal arthroplasty device permanently semi­permanently and/or temporarily.

Prosthetic ankle joint

An articulated rod (14) for a hip support (11) comprises a first element (22) designed to be associated to a pelvis harness (12), and a second element (28) designed to be associated to a thigh harness (16). The first element (22) and second element (28) are joined together by means of a hinge (30). The hinge (30) comprises a first plate (34) which is fixed to the first element (22) and has a face set against a corresponding face of an articulation plate (50), the first plate (34) and the articulation plate (50) being joined by means of a closing element (40) inserted in aligned through holes of the first plate (34) and of the articulation plate (50). In addition, the first plate (34) has holes (42) which are set along one portion of its own periphery and in which adjustment elements (44) can be inserted. The said adjustment elements (44) are designed to limit rotation of said articulation plate (50) with respect to the first plate (34).

WIRBELKÖRPERFUSIONSTRANSPLANTAT

Spinal intervertebral implant, interconnections for such implant and processes for making

Implantable spinal device revision system

Plugs for filling bony defects

ALIGNMENT SHEATH APPARATUS AND METHOD

A catheter comprises a first catheter shaft comprising a wall. The wall comprises at least one section of electroactive polymer having an actuated state and a non-actuated state and defines a first lumen. In the actuated state the first lumen haves a first diameter and in the non-actuated state the first lumen haves a second diameter, the first diameter being different than the second diameter.

BONE SPACER

This is a new bone spacer with semispherical projecting parts and/or teeth suitable for fitting and engaging in cavities specifically prepared on the surface of the vertebrae so as to prevent the displacement of said spacer, and containing at least one channel placing the side facing towards the operator during its insertion in communication with the two opposite, superior and inferior surfaces facing the vertebrae. Plates are also provided for coupling superiorly and inferiorly to the spacer, complete with ribs and/or teeth.

DYNAMIC IMPLANTED INTERVERTEBRAL SPACER

The invention is a single piece, self seating and locking dynamic intervertebral spacer (2). The dynamic spacer (2) is load-supporting by also able to undergo flexure in either or both the lateral and sagittal planes.

Human spinal disc prothesis with hinges

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments may be constructed. To implant this endoprosthesis assembly, information is obtained regarding the size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine.

Human spinal disc prosthesis

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments may be constructed. To implant this endoprosthesis assembly, information is obtained regarding the size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine.

Intra-Aortic Device

An intra-aortic device comprising a filter and a frame defining the shape of the filter, wherein the frame is intrinsically curved in a superior direction by a proximal superior bend and/or a distal superior bend, whereupon installation in an aorta, the frame flattens.

Endoprosthesis having foot extensions

Endoprosthesis, such as a stent, includes at least one annular element defined by a first set of strut members interconnected to define apices proximate opposite sides of the annular element. The annular element further includes a foot extension extending between at least one pair of circumferentially-adjacent strut members. The foot extension has first and second foot portions extending circumferentially from corresponding ends of the circumferentially-adjacent strut members, and are contoured to provide at least two areas of flexure. The first and second foot portions are joined at a toe portion of the foot extension, and define a circumferentially-directed apex between the pair of circumferentially-adjacent strut members. Preferably, at least one or more additional annular elements, each defined by interconnected strut members, are provided. The annular elements are generally expandable between a delivery configuration and a deployed configuration. The annular elements are longitudinally ...

Endoprosthetic shoulder joint device

An endoprosthetic shoulder joint device has a scapular component of generally L-shape, usually with one arm longer than the other, and formed with a spherical concave bearing surface in its inner face to extend at least over the free end portion of the longer arm. If the concave surface extends in the shorter arm, the latter arm is thickened for this purpose. The concave surface can open into the edges of the L-shape, the longer arm is usually of cranked form, and the outer face is relieved for cement securement keying. The associated humeral component can be of conventional ball-headed, stemmed form, but is preferred as a spherical segmental form which is solid with a short stem projecting from its chordal face, or hollowed and grooved in its interior.

Prosthetic valves with mechanically coupled leaflets

Described embodiments are directed toward centrally-opening leaflet prosthetic valve devices having a leaflet frame and a mechanically coupled leaflet. The described leaflet frames have projections that are configured to couple with a leaflet attachment region of a leaflet. Some embodiments include a leaflet retention feature that engages the leaflet frame projections and operates to secure the leaflet to the leaflet frame. Methods of making and using such prosthetic valve devices are also described.

HIP STEM CENTRALIZER DATUM GUIDE

Replacement facet joint and method

Prosthetic valves with mechanically coupled leaflets

A prosthetic valve defining an inflow direction into the valve and an outflow direction out of the valve in operation, the valve comprising: a plurality of leaflets including a first leaflet and a second leaflet, each leaflet having a leaflet attachment region and a free edge opposite a base; and a frame including a commissure post that includes, a first tine including a first interior edge and a first exterior edge opposite the first interior edge, a second tine including a second interior edge and a second exterior edge opposite the second interior edge, a spine positioned between the first and second tines such that the interior edges of the first and second tines face the spine, a first slot defined between the first tine and the spine, the leaflet attachment region of the first leaflet being coupled to the frame at the first slot, and a second slot defined between the second tine and the spine, the leaflet attachment region of the second leaflet being coupled to the frame at the second ...

Multipiece implants formed of bone material

Backbone intersomatic implant with anchoring elements

IMPLANTABLE SPINAL DEVICE REVISION SYSTEM

The invention discloses devices, methods and systems for an implantable revision device useful for altering the biomechanics of an implanted spinal arthroplasty device. The revision device has a first surface adapted to communicate with a natural anatomical surface; and a second surface adapted to engage a portion of the arthroplasty device. The device alters the biomechanics of the implanted spinal arthroplasty device permanently semi­permanently and/or temporarily.

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.

BIOLOGIC SOFT TISSUE ARTHROPLASTY SPACER AND JOINT RESURFACING OF WRIST AND HAND

A arthroplasty spacer formed of a biologic soft tissue and methods for surgically treating symptomatic trapezio metacarpal joint arthritis and symptomatic arthritis of scapho trapezial trapezoid joint using the biologic soft tissue spacer are provided.

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.

IMPLANT AND PROCESS FOR PRODUCING THE SAME

A bone implant has a shaft (1) anchored into a bone. The surface of the bone implant is shaped into detail elements (8) oriented in a certain direction. The detail elements (8) have pointed shapes and are partially linked by bridge-like and/or net-like connecting strips. An intimate connection is thus achieved between bone and implant. Also disclosed is a process for producing the bone implant by means of a model capable of being mounted.

Branch vessel prostheses

The present embodiments provide a branch vessel prosthesis for placement at least partially between a main vessel and a branch vessel of a patient. The branch vessel prosthesis has a graft including a generally tubular body of a biocompatible material. At least one stent is coupled to a proximal region of the graft, and at least one stent is coupled to a distal region of the graft. The proximal region of the graft includes a generally straight configuration in an expanded deployed state that is substantially parallel to a longitudinal axis of a main vessel. The distal region of the graft includes a generally straight configuration in the expanded deployed state that is substantially parallel to a branch vessel. A curvature of a central region varies an angle in which the distal region of the graft is disposed relative to the proximal region.

Intraluminal Stent and Preparation Method Therefor

An intraluminal stent () and a preparation method therefor are provided. The intraluminal stent () includes at least one sub-stent. The sub-stent includes at least a first wire () extending along a first spiral direction and at least a second wire () extending along a second spiral direction, and the first wire () and the second wire () extend in different directions to form several wire intersection points. The intraluminal stent () has several wrapped portions () to wrap two corresponding wire tail ends. A wrapping connector () is disposed at a periphery of the wrapped portion (). Two end portions of the wrapping connector () are firmly connected to regions corresponding to two ends of the wrapped portion (). The two wire tail ends of the wrapped portions () are wrapped by using the wrapping connector (). The stent () is less harmful to intraluminal tissues and a relatively strong tensile resistance. 1. An intraluminal stent , wherein the intraluminal stent comprises at least one sub-stent; the sub-stent has a radial compression form and a radial expansion form; the sub-stent has , in an axial direction , end portion regions at two ends and an intermediate region extending between the end portion regions; the sub-stent comprises at least a first wire extending along a first spiral direction and at least a second wire extending along a second spiral direction; and the first wire and the second wire extend in different directions to form several wire intersection points;wherein the intraluminal stent has several wrapped portions for wrapping two corresponding wire tail ends; a wrapping connector is disposed at a periphery of the wrapped portion; two end portions of the wrapping connector are firmly connected to regions corresponding to two ends of the wrapped portion; and the wrapped portion is disposed at a distance from an edge of at least one end portion of the sub-stent.2. The intraluminal stent according to claim 1 , wherein a separation distance between the ...

INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION

A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. 117-. (canceled)18. A bone anchor , comprising:an interconnection portion to slidingly engage a prosthesis;a fixation portion to fix the anchor to a bone having an expandable leading end and being spaced apart from the interconnection portion; anda leg connecting the fixation portion to the interconnection portion, the leg including a cutting edge capable of cutting through bone.19. The anchor of claim 18 , wherein the interconnection portion comprises a dovetail beam.20. The anchor of claim 18 , wherein the fixation portion comprises a plate oriented substantially perpendicular to the leg.21. The anchor of claim 18 , comprising:a prosthesis lock portion to resist disengagement of the anchor from the prosthesis.22. The anchor of claim 21 , wherein the prosthesis lock portion comprises a resilient tab integral with the interconnection portion.23. The anchor of claim 21 , wherein the prosthesis lock portion is biased to resist disengagement of the anchor from the prosthesis.24. The anchor of claim 23 , wherein the prosthesis lock portion is selectively releasable to permit disengagement of the anchor from the prosthesis.25. The anchor of claim 18 , comprising:a stop portion to limit engagement of the anchor to the prosthesis to a ...

IMPLANTABLE SELF-CLEANING BLOOD FILTERS

A blood filter device having occlusion-resistant characteristics. The occlusion-resistant characteristics decrease the likelihood of the filter being blocked by thrombi. The filter device () includes at least one anchor portion () for anchoring the filter device within one or more arteries (), and a filter portion () for filtering thrombi from the blood entering the artery. In some embodiments, an anchor portion is capped with a filter cap. In various embodiments, the filter cap is protrudes into the aorta to promote occlusion resistance. In one embodiment, the device can be modified in situ to re-establish normal blood flow through the artery in the unlikely case of thrombotic or other blockage of the filter. In some embodiments, a bypass opening or open channel defining an access port is provided to accommodate passage of surgical instruments into the artery and to enable blood flow to bypass the filter should the filter become heavily occluded. 1. A blood filter for filtering blood entering an artery , comprising:a body defining a curved cylinder about a curved body axis, including:an anchor portion defining a flow outlet port at a first end of said body and including a porous wall that defines a first porosity, said first porosity defining a first average pore size, said anchor portion being adapted to route a flow through said flow outlet port in a first direction; anda filter portion that extends from said anchor portion and includes an elbow-shaped portion that extends lateral to said anchor portion and an extension portion that extends from said elbow-shaped portion, said filter portion including a porous wall that defines said first porosity and a second porosity, said second porosity defining a second average pore size, said second average pore size being less than said first average pore size, said porous wall of said filter portion being adapted to receive said flow from a second direction that is substantially normal to said first direction, said ...

Gastroesophageal reflux treatment system, method, and device

A gastroesophageal reflux preventer and related methods are provided. The gastroesophageal reflux preventer may include an absorbable material able to be placed in contact with a body organ and configured to induce a scarification of the body organ in response to absorption by the body organ of the material. In this manner, a proximate sphincter may be tightened, such as to ameliorate reflux through a gastroesophageal sphincter.

Implantable self-cleaning blood filters

A blood filter device having occlusion-resistant characteristics. The occlusion-resistant characteristics decrease the likelihood of the filter being blocked by thrombi. The filter device includes at least one anchor portion for anchoring the filter device within one or more arteries, and a filter portion for filtering thrombi from the blood entering the artery. In some embodiments, an anchor portion is capped with a filter cap. In various embodiments, the filter cap is protrudes into the aorta to promote occlusion resistance. In one embodiment, the device can be modified in situ to re-establish normal blood flow through the artery in the unlikely case of thrombotic or other blockage of the filter. In some embodiments, a bypass opening or open channel defining an access port is provided to accommodate passage of surgical instruments into the artery and to enable blood flow to bypass the filter should the filter become heavily occluded.

Intervertebral Implant With Integrated Fixation

A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. 1an intervertebral spacer sized and shaped to at least partially fill an intervertebral disc space between adjacent vertebrae after removal of at least a portion of an intervertebral disc;a first anchor secured to the spacer, wherein the first anchor is sized and shaped to secure the spacer to the vertebrae so that the spacer and the vertebrae are substantially relatively immobilized against antagonistic spinal motions; anda jacket secured around the spacer and secured to the first anchor for sustaining spinal loads across opposite sides of the spacer.. A system for spinal fusion, comprising: The present application is a continuation of U.S. patent application Ser. No. 15/783,608, filed on Oct. 13, 2017, which is a continuation of U.S. patent application Ser. No. 14/857,062, now U.S. Pat. No. 9,788,968, filed on Sep. 17, 2015, which is a continuation of U.S. patent application Ser. No. 13/723,360, now U.S. Pat. No. 9,138,275, filed on Dec. 21, 2012, which is a continuation of U.S. patent application Ser. No. 12/640,816, now U.S. Pat. No. 8,349,015, filed on Dec. 17, 2009, which claims the benefit of the filing dates of U.S. Provisional Patent Application No. 61/151,701 filed Feb. 11, 2009, U.S. Provisional Patent Application No. 61/232,705 ...

Arteriovenous Fistula Implant Effective for Inducing Laminar Blood Flow

A vascular implant device configured to decrease turbulence in blood flow through an arteriovenous fistula is described. The implant includes an arterial section having a straight hollow tube, a venous section having a curved hollow tube divided into an orthogonal portion at the juncture of the arterial section, a curved portion, and a straight extension portion, and having a continual lumen and lumen surface. The curved portion curves approximately 90 degrees with respect to the arterial section, and the extension portion extends substantially parallel to the arterial section. A plurality of flow-conditioning tabs are located along the lumen surface in arrangements precisely designed to convert the turbulent blood flow that enters the venous section into substantially laminar flow, and to minimize oscillatory shear stress on the venous endothelium as the blood flow exits the device and enters the vein. 1. A vascular implant device configured to decrease turbulence in blood flow through an arteriovenous fistula , the implant comprising:an arterial section comprising a straight hollow tube and having an arterial inlet end and an arterial outlet end and a port positioned between the inlet and outlet ends;a venous section comprising a hollow tube having a orthogonal portion of length L, a curved portion, and an extension portion having a venous outlet end, wherein the orthogonal portion joins and is flush with the port at an angle orthogonal to the arterial section, the curved portion curves approximately 90 degrees with respect to the arterial section, and the extension portion extends substantially parallel to the arterial section for a length L′, said venous section further comprising a continuous lumen surface; anda plurality of flow-conditioning tabs located along the lumen surface.2. The vascular implant according to claim 1 , wherein the arterial section and the venous section have an inner diameter of length ID and an outer diameter of length OD and a wall ...

Prosthetic Intervertebral Disc.

Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs.

RINGLESS WEB FOR REPAIR OF HEART VALVES

A ringless web is configured to repair heart valve function in patients suffering from degenerative mitral valve regurgitation (DMR) or functional mitral valve regurgitation (FMR). In accordance with various embodiments, a ringless web can be anchored at one or more locations below the valve plane in the ventricle, such as at a papillary muscle, and one or more locations above the valve plane, such as in the valve annulus. A tensioning mechanism connecting the ringless web to one or more of the anchors can be used to adjust a tension of the web such that web restrains the leaflet to prevent prolapse by restricting leaflet motion to the coaptation zone and/or promotes natural coaptation of the valve leaflets. 1. A ringless web configured to be implanted into a beating heart of a patient to repair heart valve function , comprising:a web configured to be chronically implanted in the beating heart of the patient without being attached to a ring and shaped and sized to correspond to at least one valve in the heart;one or more ventricular anchors operably connected to the web and configured to be anchored in ventricular tissue in the heart;one or more atrial anchors operably connected to the web and configured to be anchored in atrial tissue in the heart; anda tensioning mechanism operably connected to at least one of the one or more ventricular anchors and the one or more atrial anchors, the tensioning mechanism configured to enable selective adjustment of a tension of the web with respect to the corresponding anchor such that the web is positioned across a plane of the at least one valve to repair valve function.2. The ringless web of claim 1 , wherein the web comprises an array.3. The ringless web of claim 2 , wherein the array comprises a plurality of struts.4. The ringless web of claim 3 , wherein the struts include:a pair of ventricular struts each configured to extend from at least one of the atrial anchors through a coaptation zone of the valve and to at least one ...

Hysteropexy mesh apparatuses and methods

A hysteropexy apparatus includes a hysteropexy mesh and a package containing the hysteropexy mesh. The hysteropexy mesh includes an anterior vaginal portion that is substantially rectangular in shape, a right broad ligament portion that is substantially L-shaped, a left broad ligament portion that is substantially L-shaped, a sacral portion that is substantially rectangular in shape, and a posterior vaginal portion that is substantially rectangular in shape. The anterior vaginal portion is folded on a longitudinal midline. The sacral portion is folded onto the posterior vaginal portion.

HEART VALVE AND ENDOVASCULAR GRAFT COMPONENTS AND METHOD FOR DELIVERY

A medical device including a valve member with an elongate tubular portion with at least one aperture disposed in a sidewall at a location between the proximal and distal ends, and a plurality of leaflets; a first endovascular graft coupled to the valve member; and a second endovascular graft coupled to the first endovascular graft; and an expandable anchor member coupled to the second endovascular graft. 1. An aortic arch graft comprising:a generally cylindrical member having a proximal end and a distal end and a longitudinally extending lumen, the proximal end configured for deployment within the ascending aorta, the distal end configured for deployment in the descending thoracic aorta; anda graft material extending over a portion of the generally cylindrical member, the graft material having an opening disposed between the proximal end and distal end with a plurality of radiopaque markers disposed around a periphery of the opening;wherein the opening within the graft material allows blood flow transverse to the longitudinal lumen of the generally cylindrical member.2. The aortic arch graft of claim 1 , wherein the opening within the graft material is elliptical.3. The aortic arch graft of claim 1 , wherein the opening includes a plurality of openings.4. The aortic arch graft of claim 3 , wherein each opening disposed at a location corresponding to an artery.5. The aortic arch graft of claim 1 , further comprising a first expandable anchor member partially extending into the proximal end of the generally cylindrical member claim 1 , and a second expandable anchor member partially extending into the distal end of the generally cylindrical member.6. The aortic arch graft of claim 1 , wherein the first and second expandable anchor members are self-expanding stents.7. The aortic arch graft of claim 6 , further comprising a valve disposed at a proximal end of the aortic arch graft.8. The aortic arch graft of claim 7 , wherein a proximal end of the valve is at least ...

SOFT TISSUE GRAFTS, AND METHODS OF MAKING AND USING SAME

Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi-directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material. 1. A soft tissue graft comprising:processed tissue material having first and second opposed surfaces, the first and second opposed surfaces bounded by first and second edges, the first edge having a concave shape that curves toward the second edge, the second edge having a convex shape that curves away from the first edge, wherein the first surface comprises a plurality of apertures, at least one of the apertures formed from a multi-directional separation in the first surface.2. The graft of claim 1 , wherein a radius of curvature of the first edge is longer than a radius of curvature of the second edge.3. The graft of claim 1 , wherein the first edge and the second edge share both ends.4. The graft of claim 1 , wherein the graft is symmetrical about at least one line.5. The graft of claim 4 , wherein the graft is symmetrical about a line bisecting the first and second edges.6. The graft of claim 1 , wherein the apertures extend all of the way from the first surface to the second surface.7. The graft of claim 1 , wherein the apertures extend only part of the way from the first surface to the second surface.8. The graft of claim 1 , ...

DYNAMIC IMPLANT INTERMEDIATE SPARKLING

Skeletal stabilization implant

A spinal implant is described in this disclosure. The implant includes first and second pieces separated by a controlled break location. Spinal implant kits having multiple spinal implant pieces derived from a common source also are disclosed.

Skeletal stabilization implant

A spinal implant is described in this disclosure. The implant includes first and second pieces separated by a controlled break location. Spinal implant kits having multiple spinal implant pieces derived from a common source also are disclosed.

Human spinal disc prosthesis

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments may be constructed. To implant this endoprosthesis assembly, information is obtained regarding the size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine.

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.

Human spinal disc prosthesis

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments may be constructed. To implant this endoprosthesis assembly, information is obtained regarding the size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine.

Human spinal disc prosthesis with hinges

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly surround that nucleus portion so as to retain the nucleus portion and gasket between adjacent vertebral bodies in a patient's spine. Assemblies of endoprosthetic discs, endoprosthetic vertebral bodies, and endoprosthetic longitudinal ligaments may be constructed. To implant this endoprosthesis assembly, information is obtained regarding the size, shape, and nature of a patient's damaged spine. Thereafter, one or more prosthetic vertebral bodies and disc units are constructed in conformity with that information. Finally, the completed and conformed vertebral body and disc assembly is implanted in the patient's spine.

Implantable spinal device revision system

IMPLANT

Spondylodesis device

Disclosed is a device comprising at least one intervertebral implant (3) and at least one plate (4, 5) that is to be connected to the intervertebral implant (3) and an adjacent spine (21-23). The intervertebral implant (3) is connected to at least two spaced-apart plates (4, 5). One end of both plates (4, 5) respectively forms a fixable joint along with the intervertebral implant (3). Preferably, at least one of the plates (5, 4) is embodied in a Z-shaped or L-shaped manner. The inventive device provides for great adaptability to the anatomic characteristics of the spinal column and a modular structure while the number of parts is kept small.

Spondylodesis device

The surgical intervertebral implant (3) has plates (4,5) which can be connected to the implant and to the vertebrae. The plates each have a fixable connection for the implant. At least one of the plates can be Z or L shaped and at least one of them can have an aperture for a bone screw formed in the middle of its length.

Intervertebral spacer for maintaining space between vertebral bodies, has pair of block with back portion having width smaller than front portion

Intervertebral spacer (1) having a pair of block (2) is inserted between vertebral bodies (101,102). The width of back portion (4) is smaller than the front portion (3).

Bone spacer

This is a new bone spacer (T) with semispherical projecting parts (S) and/or teeth (D) suitable for fitting and engaging in cavities (Vc) specifically prepared on the surface of the vertebrae so as to prevent the displacement of said spacer, and containing at least one channel (Tc) placing the side facing towards the operator during its insertion in communication with the two opposite, superior and inferior surfaces (T2) facing the vertebrae. Plates (P) are also provided for coupling superiorly and inferiorly to the spacer, complete with ribs (Tr) and/or teeth.

Spondylodesis device

Disclosed is a device comprising at least one intervertebral implant (3) and at least one plate (4, 5) that is to be connected to the intervertebral implant (3) and an adjacent spine (21-23). The intervertebral implant (3) is connected to at least two spaced-apart plates (4, 5). One end of both plates (4, 5) respectively forms a fixable joint along with the intervertebral implant (3). Preferably, at least one of the plates (5, 4) is embodied in a Z-shaped or L-shaped manner. The inventive device provides for great adaptability to the anatomic characteristics of the spinal column and a modular structure while the number of parts is kept small.

Hysteropexy mesh apparatuses and methods

The invention describes embodiments of apparatuses and methods of using a hysteropexy mesh.

Docking device made with 3D woven fabric

A docking device for a bioprosthesis is disclosed that can change shape and recover after a deforming stress is removed, that adjusts to surrounding conditions to accommodate different complex anatomic geometries, and that mitigates leakage around the bioprosthesis. The docking device can include a 3D woven fabric forming an internal surface, an outer surface, and a thickness therebetween. A filler can be coupled to the outer surface. A method for making a docking device is also provided. The method includes weaving a 3D woven fabric by interlacing a shape memory material, a low-melt thermoplastic polymer or resin having a melting point, and a high-tenacity biocompatible material; and pressing and heating the 3D woven fabric over a shape-setting mold at temperatures greater than the melting point of the low-melt thermoplastic polymer or resin.

Bone void filler and method of manufacture

Bone void filler pieces that are conducive to packing or nesting when a plurality of pieces are located in a cavity in random orientation. The bone void filler of the present invention includes a higher bulk packing density and a porosity of less than 80% to provide a better match native bone ingrowth rate. Further, the bone void filler includes a bi-modal pore distribution with a high frequency of smaller pores to enhance the density characteristic of the bone void filler pieces. A method of manufacturing the bone void filler pieces includes a precursor powder composition suitable to form a ceramic matrix; the preform is converted by chemical reaction to a final composition. The preform further includes the use of a porogen that decomposes to gaseous decomposition products upon heating.

Constraining ring for a hip cup

The hip cup of this invention includes a porous metal outer shell, preferably formed from fiber metal, and a compression molded polyethylene component defining an articulating surface at its center for contact with a prosthetic femoral head. The porous outer shell is placed within a mold and the polyethylene component is compression molded within the shell. To prevent the porous shell from collapsing or distorting about its equatorial edge (and thereby distorting the articulating surface) a constraining ring is fitted over the edge of the shell prior to the molding of the polyethylene component. The ring is held in contact with the shell by the molded polyethylene. The constraining ring prevents the edges of the shell from radially distorting during impaction into a prepared acetabulum or during use.

Crossbar spinal prosthesis having a modular design and related implantation methods

Modular spinal prosthesis having one of both of adaptable and configurable components is provided. The modular spinal prosthesis described herein provides an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements.

Method and apparatus for spine joint replacement

A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis.

Interbody fusion grafts and instrumentation

This invention relates to implants formed from donor bone for use in lumbar interbody fusion procedures and instruments for performing such procedures. The implants are formed to include a concave surface formed from a portion of the medullary canal of a long bone. The concaved surface defines a recess in the implant that serves as a depot for osteogenic material. Specific instruments for inserting the implants prepared according to this invention and for preparing the intervertebral space to receive the implants are also provided.

Soft tissue support

Branch vessel prothesis

Method and apparatus for spine joint replacement

A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis.

Crossbar spinal prosthesis having a modular design and related implantation methods

Modular spinal prosthesis having one of both of adaptable and configurable components is provided. The modular spinal prosthesis described herein provides an artificial articular configuration to replace damaged, worn or otherwise removed spinal facet elements.

Method and apparatus for spine joint replacement

A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis.

Implantable spinal device revision system

The invention discloses devices, methods and systems for an implantable revision device useful for altering the biomechanics of an implanted spinal arthroplasty device. The revision device has a first surface adapted to communicate with a natural anatomical surface; and a second surface adapted to engage a portion of the arthroplasty device. The device alters the biomechanics of the implanted spinal arthroplasty device permanently semi-permanently and/or temporarily.

Artificial facet joint device having a compression spring

A prosthetic facet joint having compression springs interposed between articulating surfaces for providing gradual resistance to extreme movements.

Prosthesis of the cervical intervertebralis disk

A prosthesis for a cervical intervertebral disk for fastening two contiguous vertebrae, including two components, one of which is for attachment to a first contiguous vertebrae and a second is for attachment to a second of the two contiguous vertebrae, the one component comprises a hollow box frame and includes a first end having first attachment for attaching the first end to one vertebra for holding the first attachment thereto and a connection at a second end for receiving a connector coupled with the second component, the second component comprises a first end part for attachment to the other vertebra to the second vertebra for holding the second component thereto, and a second end part having the connector connected with the first end part to permit movement between the connector and the connection.

Endoprosthesis having foot extensions

Soft tissue support

The invention comprises a soft tissue support (1) in the form of a biocompatible resilient layer with a predetermined shape and means to secure the support subcutaneously. The support may be a generally L-shaped or U-shaped and be manufactured from a biocompatible resilient mesh.

PROTHETIC IMPLANT FOR THE ARTICULATION OF THE SHOULDER

Instruments for delivering spinal implants

A method, apparatus, and system are provided to place an insert in a space between boney structures. The insert may be rotatably coupled to the delivery instrument. The delivery instrument may comprise a body and an articulating member. The articulating member may slidably interact with the insert to rotate the insert about a pivot point. A first actuator is operatively coupled to the articulating member such that actuating the first actuator translates the articulating member relative to the body. An engagement member may be coupled to the body and adapted to releasably and rotatably secure the insert to the delivery instrument. The articulating member and the engagement member may be offset from each other in such a manner that when the articulating member engages the insert, the insert rotates relative to the delivery instrument. Alternatively, the insert may be coupled to the delivery instrument via rotatable attachment members.

Replacement facet joint and method

Prostheses and methods for repair of cervical fact joints. In one aspect, the articulating surfaces of the natural facets of a facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis. In another aspect, the invention provides a single prosthesis that is useful in repairing articulating surfaces in more than one cervical facet joint.

Replacement facet joint and method

Prostheses and methods for repair of a cervical fact joint. The articulating surfaces of the natural facets of the facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis.

mammal soft tissue support and system

SUPORTE DE TECIDO MOLE DE MAMìFERO E RESPECTIVO SISTEMA. A Invenção compreende um suporte de tecido mole (1) na forma de uma camada elástica biocompatível com uma forma predeterminada e meios para fixar subcutanemanete de suporte. O suporte pode ser geralmente confirmado em L ou U a ser fabricado de uma malha elástica biocompatível. FAMILY MOLE FABRIC SUPPORT AND ITS SYSTEM. The invention comprises a soft tissue support (1) in the form of a biocompatible resilient layer of a predetermined shape and means for securing support subcutaneously. The support may generally be confirmed in L or U to be manufactured from a biocompatible elastic mesh.

Prosthetic intervertebral discs

Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs.

Prosthetic Intervertebral Discs

Insert for acetabular cup

Skeletal reconstruction cages

Bone spacer

This is a new bone spacer (T) with semispherical projecting parts (S) and/or teeth (D) suitable for fitting and engaging in cavities (Vc) specifically prepared on the surface of the vertebrae so as to prevent the displacement of said spacer, and containing at least one channel (Tc) placing the side facing towards the operator during its insertion in communication with the two opposite, superior and inferior surfaces (T2) facing the vertebrae. Plates (P) are also provided for coupling superiorly and inferiorly to the spacer, complete with ribs (Tr) and/or teeth.

Stents with x-ray markers

INTERSOMATIC RACHIDIAN IMPLANT WITH HIGHLIGHTS

Modular mandibular prosthesis

The invention relates to a modular mandibular prosthesis for use after the resection of a patient's mandible. The modular mandibular prosthesis includes a pair of anchor plates and at least one connector member. Each anchor plate has first and second ends. The second end of each anchor plate is adapted to be attached to a portion of the patient's mandible. At least one connector member is disposed between the pair of anchor plates. Each connector member includes first and second ends. The first end of a connector member is connected to the first end of an anchor plate thereby defining a connection. The second end of a connector member is connected to the first end of the other anchor plate. Additional connector members may be disposed between the anchor plates wherein the first end of the additional connector member is attached to the second end of an adjacent connector member thereby defining a connection and the second end of the additional connector member is connected to the first end of an adjacent connector member thereby defining a connection. Each connection defines a swivel coupling which permits three dimensional movement at each connection thereby facilitating orientation and installation of the modular mandibular prosthesis.

Femoral rod for hip prosthesis, has diaphyseal distal portion to be introduced in medullary cavity of femur, and groove or rib with two parallel sections, which are parallel and adjacent to interface zone

The femoral rod (1) has an elongated diaphyseal distal portion (3) to be introduced in a medullary cavity of a femur. A metaphyseal proximal portion (2) and the diaphyseal distal portion are connected by a plane interface zone (4) corresponding to a femur cutting zone. An undulation or zigzag shaped groove (5) or a rib has two parallel sections, which are parallel and adjacent to the interface zone. The groove or the rib forms an undulation perpendicularly oriented to an axis (A) of the diaphyseal distal portion.

Replacement facet joint and method

Prostheses and methods for repair of cervical fact joints. In one aspect, the articulating surfaces of the natural facets of a facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis. In another aspect, the invention provides a single prosthesis that is useful in repairing articulating surfaces in more than one cervical facet joint.

Mobile bearing knee with metal on metal interface

In the subject invention, the articulating component includes a metal tray and a polyethylene bearing molded or otherwise connected to the metal tray. The distal surface of the metal tray, the surface in contact with the tibial component, is highly polished and is substantially flat. The proximal surface of the tibial component, the surface in contact with the articulating component, is likewise highly polished and substantially flat. In use, the two highly polished flat surfaces provide an environment wherein the articulating surface may freely move relative to the tibial component as the patient's knee joint is flexed and extended during movement.

Spinal intervertebral implant, interconnections for such implant and processes for making

A cortical bone implant is formed of two or more planks of bone which are connected with one or more offset pins. The pins may be right circular cylinders inserted into a corresponding offset bore which offset bends the inserted pin. The bending creates compression and tensile loads in the pin which loads creates friction compression forces on the planks connecting them to the pins by friction. The pins may have different shapes to form the offsets and different configurations for friction attachment to the planks. The implants may be formed of flat or L-shaped planks or bones formed into other shapes including interlocking arrangements. Processes and fixtures are disclosed for forming the pins, planks and implants. Various embodiments of the pins, planks, implants and processes are disclosed.

Femoral prosthesis component system for knee replacement surgery

A femoral prosthesis component system particularly for knee revision surgery comprising a set of femoral implant components constructed around a set of geometrical constants which allows resection of the distal femur to be conducted using the intramedullary canal as a reference point and without the requirement of first measuring for a specific implant size. The construction of all the components in the set is based around a constant relationship between the intramedullary shaft and the anterior flange such that the anterior resection is the same regardless of the size of the component used and the distal and posterior resections are standard cuts made based on this relationship and the intramedullary canal reference point. Adjustment of the distal and posterior resections to fit is made with a set of augments having dimensions also based on the standard distal and posterior resection cuts.

Implant device used in mimimally invasive facet joint hemi-arthroplasty

A metallic inverted L-shaped implant is used to resurface the superior facet of the inferior vertebrae limited to the facet joints located on the spine, Occiput-Cl through L5-S1. The metallic implant is highly polished on its exterior and textured on its interior surface. It is mechanically crimped in place without the use of cement or pedicle screws. Permanent fixation occurs when bone in-grows onto a rough, porous surface on the inside of the implant. The implant employed in a hemi-arthroplasty method resurfaces half of the facet joint to provide for smooth, pain free joint articulation in deteriorated or diseased spinal facet joints without the need for major surgery or rehabilitation at considerably less risk to the patient.

Endoprosthesis having foot extensions

Multiple component osteoimplant

The present invention is an osteoimplant that comprises two or more portions, wherein two or more of the portions are self-interlockable with one another to form the desired osteoimplant. The components of the osteoimplant may be of the same material or of different materials. Suitable materials may include cortical bone, cancellous bone, structural polymer, other biomaterial, or any combination thereof.

SHOULDER JOINT PROSTHETIC ASSEMBLY

L'ensemble prothétique d'articulation de l'épaule comprenant un élément glénoïdien sous forme d'une tête d'articulation (1) convexe du type hémisphérique présentant des agencements de fixation au niveau de la glène de l'omoplate, ladite tête coopérant avec une surface d'appui et de glissement (2) que présente un élément huméral (3) fixé dans la diaphyse humérale, est remarquable en ce que le centre de rotation (02 ) de la tête d'articulation (1) est décalé vers le bas par rapport au plan médian et au centre de la glène anatomique (01 ) pour rabaisser, d'une manière correspondante ladite tête d'articulation (1) qui présente, du côté du pilier externe de l'omoplate, un prolongement (1c) apte à augmenter l'amplitude de rotation en adduction, en décalant vers le bas le point d'application (01 ) des efforts pour augmenter le bras de levier entre le point d'application du deltoïde qui crée le mouvement abducteur et le dit point (01 ) et en dégageant l'acromion.

Intervertebral implant with integrated fixation

A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine.

Implant device used in minimally invasive facet joint hemi-arthroplasty

본 발명의 뒤집힌 'L'자 형상의 금속 임플란트는 경추 1번(C1) 및 요추 5번(L5) 또는 천추 1번(S1) 사이의 후두부에 위치하는 추간관절에 한정하여 추간관절 사이의 상, 하면에 이식하기 위한 것이다. 상기 금속 임플란트는 고연마된 외면부와 질감을 가진 내면부를 구비한다. 또한, 시멘트나 고정용 삽입 나사를 사용하지 않고, 추간관절 사이에 칼집을 내어 수축시켜 고정하는 기계적인 방법을 사용한다. 상기 임플란트의 내면부는 다공성의 거친 표면을 가짐으로써, 뼈의 성장에 따른 내부 침습을 통한 영구 고착을 발생시킨다. 상기 임플란트는 악화되거나 고질적인 추간관절의 접합면에 고통이 없고, 부드럽게 이식될 수 있도록 반관절성형술에 따른 방법을 사용하며, 대수술이나 재활이 필요없고, 환자에 대한 위험성이 상당히 감소된다. The inverted 'L' shaped metal implant of the present invention is limited to the intervertebral joints located in the posterior head between the cervical spine 1 (C1) and lumbar spine 5 (L5) or the sacral spine 1 (S1), It is intended for implantation on the lower surface. The metal implant has a highly polished outer surface and an textured inner surface. In addition, a mechanical method of contracting and fixing the sheath between the intervertebral joints without using cement or a fixation screw is used. The inner surface of the implant has a porous rough surface, causing permanent fixation through internal invasion as bone grows. The implant uses a method according to hemiarthroplasty so that it can be painless and smoothly implanted in a deteriorated or chronic intervertebral joint, without major surgery or rehabilitation, and the risk to the patient is significantly reduced. 최소 침습, 추간관절, 반성형술, 임플란트, 블레이드, 돌기 Minimally Invasive, Intervertebral Joint, Semiplasty, Implant, Blade, Protuberance

Soft tissue grafts, and methods of making and using same

Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi-directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material.

Orthopaedic assembly including an acetabular cup and cup inserter

An orthopaedic assembly includes a first portion or an acetabular cup and a second connecting portion or a cup inserter. The acetabular cup includes a cavity for receiving a femoral head and a pole defining a longitudinal axis through the cavity. The acetabular cup further includes an annular face which bounds the cavity and has a plurality of notches extending therein. Each notch includes an undercut wall. The annular face further includes a projection receiving device. A cup inserter includes a body with an end face and a plurality of fingers extending from the end face. Each finger is insertable into a corresponding one of the notches in a direction parallel to the longitudinal axis and is rotatable around the longitudinal axis to a locking position. Each finger includes a transverse surface which matingly engages with a corresponding one of the undercut walls when the finger is in the locking position. The cup inserter further includes a projection and a biasing device. The projection is slidably carried within the body and is movable between a retracted position and an extended position. The biasing device biases the projection toward the extended position. The projection is biased to the extended position and received within the projection receiving device of the cup when each finger is in the locking position.

Dynamic implanted intervertebral spacer

The invention is a single piece, self seating and locking dynamic intervertebral spacer (2). The dynamic spacer (2) is load-supporting by also able to undergo flexure in either or both the lateral and sagittal planes.

Bone void filler and method of manufacture

Bone void filler pieces that are conducive to packing or nesting when a plurality of pieces are located in a cavity in random orientation. The bone void filler of the present invention includes a higher bulk packing density and a porosity of less than 80% to provide a better match native bone ingrowth rate. Further, the bone void filler includes a bi-modal pore distribution with a high frequency of smaller pores to enhance the density characteristic of the bone void filler pieces. A method of manufacturing the bone void filler pieces includes a precursor powder composition suitable to form a ceramic matrix; the preform is converted by chemical reaction to a final composition. The preform further includes the use of a porogen that decomposes to gaseous decomposition products upon heating.

Hip stem centralizer datum guide, and method

A hip stem centralizer datum guide and method are provided for positioning a proximal portion of a hip stem component within bone cement in an intramedullary canal of a femur. The datum guide is positionable in a predetermined position relative to the intramedullary canal and is able to create a datum that records the predetermined hip stem component position relative to the intramedullary canal. The datum is able to be referenced to position the hip stem component in the predetermined hip stem component position in the bone cement in the intramedullary canal.

PROSTHETIC IMPLANT AND SYSTEM OF ITS INSTALLATION INSIDE THE FACIAL JOINT

1. Протезный имплантат для использования в минимально инвазивной гемиартопластике фасеточного сустава, содержащий металлическое тело перевернутой L-образной формы, имеющее выпуклый верхний участок, выполненный в виде единого целого на задней кромке с вогнутым спускающимся вниз участком, причем верхний и спускающийся вниз участки имеют отполированную внешнюю поверхность материала, биосовместимого с костью; вогнутую нижнюю поверхность под верхним участком и выпуклую внутреннюю текстурированную поверхность на спускающемся вниз участке; по меньшей мере одно лезвие, выполненное в виде единого целого с выпуклой внутренней текстурированной поверхностью, и пару зубцов, выступающих вниз из передней кромки выпуклого верхнего участка.2. Протезный имплантат по п.1, в котором отполированная внешняя поверхность выполнена из сплава кобальта с хромом.3. Протезный имплантат по п.1, в котором отполированная внешняя поверхность выполнена из сплава титана.4. Протезный имплантат по п.1, в котором выпуклая внутренняя текстурированная поверхность является пористой и совместимой с костью.5. Протезный имплантат по п.1, в котором имеются два лезвия, выполненные в виде единого целого с выпуклой внутренней текстурированной поверхностью.6. Протезный имплантат, установленный внутри фасеточного сустава, причем указанный имплантат содержит металлическое тело перевернутой L-образной формы, имеющее выпуклый верхний участок, выполненный в виде единого целого на задней кромке с вогнутым спускающимся вниз участком, причем верхний и спускающийся вниз участки имеют отполированную внешнюю поверхность материала, биосовместимого с костью;

Human spinal disc prosthesis

The invention provides a vertebral disc endoprosthesis comprising a nucleus, preferably a resilient nucleus, rigid elements having concave inner surfaces and at least partly surrounding the nucleus, and the endoprosthesis also comprises a seal member formed of flexible material and attached to the rigid elements and surrounding the nucleus.

Spinal intervertebral implant, interconnections for such implant and processes for making

A cortical bone implant is formed of two or more planks of bone which are connected with one or more offset pins. The pins may be right circular cylinders inserted into a corresponding offset bore which offset bends the inserted pin. The bending creates compression and tensile loads in the pin which loads creates friction compression forces on the planks connecting them to the pins by friction. The pins may have different shapes to form the offsets and different configurations for friction attachment to the planks. The implants may be formed of flat or L-shaped planks or bones formed into other shapes including interlocking arrangements. Processes and fixtures are disclosed for forming the pins, planks and implants. Various embodiments of the pins, planks, implants and processes are disclosed.

Patent JPS5192597A

Intervertebral implant with integrated fixation

A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine.

A kind of intracavity stent and preparation method thereof

一种腔内支架，所述腔内支架包括至少一个子支架，所述子支架包括至少沿第一螺旋方向延伸的第一丝线和至少沿第二螺旋方向延伸的第二丝线，且两者延伸方向不同以形成若干丝线交叉点，所述腔内支架具有若干被包覆部，以将对应的两个丝线末端包覆其中，所述被包覆部外周设有包覆连接件，所述包覆连接件两端部与所述被包覆部两端对应的区域形成稳定连接，通过所述包覆连接件将被包覆部的两个丝线末端包覆其中。所述支架具有对腔内组织伤害小、抗拉伸能力强的优点。

Mobile bearing knee with metal on metal interface

In the subject invention, the articulating component includes a metal tray and a polyethylene bearing molded or otherwise connected to the metal tray. The distal surface of the metal tray, the surface in contact with the tibial component, is highly polished and is substantially flat. The proximal surface of the tibial component, the surface in contact with the articulating component, is likewise highly polished and substantially flat. In use, the two highly polished flat surfaces provide an environment wherein the articulating surface may freely move relative to the tibial component as the patient's knee joint is flexed and extended during movement

Spinal fusion apparatus and method

An apparatus for stabilizing and promoting fusion between adjacent vertebrae includes at least a pair of implants to promote bone growth and to fuse with vertebral bone. The implants are joined by a connector. Preferably the implants are inserted into receiving bores in a non-parallel configuration and/or the connector joins the implants so as to bias the implants to a non-parallel configuration. A pair of connecting members also preferably secure the implants to each of the adjacent vertebrae. A method of using the apparatus provides for stabilizing between vertebrae where the original cushioning disc has deteriorated or become damaged. The implants are connected together. Also in the method, the implant receiving bores are non-parallel and/or the implants are biased to non-parallel configurations by joining the implants to the connecting element so as to reduce the inadvertent disturbance of the implants from the receiving bores and to further stabilize the implants overall during the fusion process.

DEVICE FOR SPONDYLODESIS.

Dispositivo para la espondilodesis y en particular para la espondilodesis intercorporal delantera en la columna cervical, con al menos un implante intervertebral (3) y con al menos dos placas (4, 5) que pueden unirse respectivamente con el implante intervertebral (3) y una vértebra (21 - 23) adyacente, estando unido el implante intervertebral (3) con las al menos dos placas (4, 5) dispuestas a distancia una de la otra y formando las dos placas (4, 5) en un respectivo extremo una articulación fijable con el implante intervertebral (3), caracterizado porque al menos una de las placas (4, 5) nombradas presenta en al menos un extremo una pieza de articulación (18) semiesférica y prominente, que presenta un paso (17) para un tornillo de fijación (7) y que engrana en una depresión (14) semiesférica del implante intervertebral (3), de forma que se forma una articulación esférica fijable. Device for spondylodesis and in particular for front intercorporeal spondylodesis in the cervical spine, with at least one intervertebral implant (3) and with at least two plates (4, 5) that can be attached respectively with the intervertebral implant (3) and a adjacent vertebra (21-23), the intervertebral implant (3) being connected with the at least two plates (4, 5) arranged at a distance from each other and forming the two plates (4, 5) at a respective end a joint fixed with the intervertebral implant (3), characterized in that at least one of the plates (4, 5) mentioned has at least one end a hemispherical and prominent articulation piece (18), which has a passage (17) for a screw of fixation (7) and that engages in a hemispherical depression (14) of the intervertebral implant (3), so that a spherical joint is formed.

Artificial facet joint device having a compression spring

A prosthetic facet joint having compression springs interposed between articulating surfaces for providing gradual resistance to extreme movements.

Composite injectable and pre-fabricated bone replacement material and method for the production of such bone replacement material

A bone replacement material and methods for making and using the same are disclosed. In one embodiment, the bone replacement material comprises a viscous component. The bone replacement material also comprises a plurality of biodegradable inclusions, wherein the inclusions comprise polymers. The inclusions can comprise polymers with therapeutic agents. In other embodiments, the inclusions have a high surface to volume ratio.