FR2738142A1 - Surgical blind rivet fastener for attaching tissue to bone - Google Patents

Surgical blind rivet fastener for attaching tissue to bone Download PDF

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Publication number
FR2738142A1
FR2738142A1 FR9510583A FR9510583A FR2738142A1 FR 2738142 A1 FR2738142 A1 FR 2738142A1 FR 9510583 A FR9510583 A FR 9510583A FR 9510583 A FR9510583 A FR 9510583A FR 2738142 A1 FR2738142 A1 FR 2738142A1
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France
Prior art keywords
rivet
titanium
head
eyelet
bone
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Granted
Application number
FR9510583A
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French (fr)
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FR2738142B1 (en
Inventor
Francois Chaintreuil
Jean Pierre Bouraly
Simon Paul Dominati
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Zimmer France Manufacturing SARL
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Zimmer France Manufacturing SARL
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Publication date
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Priority to FR9510583A priority Critical patent/FR2738142B1/en
Publication of FR2738142A1 publication Critical patent/FR2738142A1/en
Application granted granted Critical
Publication of FR2738142B1 publication Critical patent/FR2738142B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0805—Implements for inserting tendons or ligaments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0408—Rivets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0409—Instruments for applying suture anchors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter

Abstract

The anchor is formed by an expansible rivet (1) of titanium or one or more alloys of titanium. The rivet has a shaft portion (2) formed of titanium alloy TA6V, together with an expansion head (10) forming a blind fastening eyelet and formed of titanium T40, grade 1. The end flange (12) of the expansion head includes a bevelled edge surface (15) on its inner face, and the cylindrical sleeve portion (11) of the expansion head has a width of the order of 0.4mm. A suturing thread or similar fastener may be attached to the rivet shaft at a point under the expansion head, e.g. with two equal lengths extending from an attachment to the cylindrical portion of the head to distal needle points.

Description

DISPOSITIF D'ANCRAGE POUR REINSERTION MUSCULAIRE
OU TENDINEUSE
La présente invention concerne un dispositif d'ancrage adapté à tous les types d'interventions chirurgicales nécessitant la présence d'au moins un point de fixation dans un os.ANCHORING DEVICE FOR MUSCLE REINSERTION
OR TENSIONER
The present invention relates to an anchoring device suitable for all types of surgical procedures requiring the presence of at least one fixation point in a bone.

L'invention trouve une application particulièrement avantageuse dans le domaine de la réinsertion musculaire ou tendineuse, en chirurgie orthopédique. The invention finds a particularly advantageous application in the field of muscle or tendon reinsertion, in orthopedic surgery.

De manière habituelle, la suture d'un segment musculaire ou tendineux, désinséré ou rompu, nécessite une nouvelle fixation à l'os par l'intermédiaire d'une fixation intra-osseuse. Un tel dispositif est également nécessaire quand on désire ancrer un ligament de type synthétique dans des tissus osseux. Usually, suturing a muscle or tendon segment, disinserted or ruptured, requires a new fixation to the bone by means of an intraosseous fixation. Such a device is also necessary when it is desired to anchor a ligament of the synthetic type in bone tissues.

Actuellement, le système le plus utilisé est un système d'ancrage à expansion. Il consiste en une ancre implantée directement dans l'os et solidarisée avec le fil de suture. L'ancre est constituée de bras mobiles qui sont plaqués le long de son corps principal durant l'implantation dans l'os puis relâchés de manière à s'écarter pour mieux s'ancrer dans les tissus osseux. Cependant, il s'est avéré qu'un tel dispositif, de part ses caractéristiques structurelles, ne constituait pas un système d'ancrage rapidement implantable et d'utilisation aisée. Currently, the most used system is an expansion anchor system. It consists of an anchor implanted directly in the bone and secured with the suture. The anchor consists of movable arms which are pressed along its main body during implantation in the bone and then released so as to move away to better anchor in the bone tissue. However, it turned out that such a device, due to its structural characteristics, did not constitute an anchoring system that was quickly implantable and easy to use.

Par ailleurs, l'expansion proprement dite de ce système d'ancrage dans les tissus osseux n'est pas du tout contrôlée. De plus, l'extraction de l'ancre présente l'inconvénient majeur de ne pouvoir s'effectuer que par arrachage. Furthermore, the actual expansion of this anchoring system in the bone tissues is not at all controlled. In addition, the extraction of the anchor has the major drawback of being able to be carried out only by lifting.

On connaît également de l'état de la technique un autre dispositif d'ancrage constitué plus simplement par une vis, mais il présente sensiblement les mêmes inconvénients que celui précédemment décrit, à l'exception de l'extraction qui est beaucoup moins dommageable pour l'os. Another anchoring device is also known from the prior art, consisting more simply of a screw, but it has substantially the same drawbacks as that described above, with the exception of the extraction which is much less damaging to the 'bone.

Aussi, le problème technique à résoudre par l'objet de la présente invention est de proposer un dispositif d'ancrage qui offrirait, par sa simplicité, une rapidité de mise en place satisfaisante et une grande facilité d'utilisation, tout en constituant une fixation intra-osseuse performante et fiable. Also, the technical problem to be solved by the object of the present invention is to provide an anchoring device which would, by its simplicity, a satisfactory installation speed and great ease of use, while constituting a fixing efficient and reliable intraosseous.

La solution au problème technique posé consiste, selon la présente invention, en un dispositif d'ancrage, pour réinsertion musculaire ou tendineuse en chirurgie orthopédique, constitué par un rivet à expansion. The solution to the technical problem posed consists, according to the present invention, in an anchoring device, for muscle or tendon reinsertion in orthopedic surgery, constituted by an expanding rivet.

De manière particulièrement avantageuse, ce rivet à expansion appelé également communément rivet "POP", est réalisé dans un matériau bio-inerte composé de titane et/ou d'un ou plusieurs de ses alliages. Cela permet d'une part d'assurer une bonne cohésion entre le métal et les tissus osseux situés directement en vis à vis, par repousse de l'os jusqu'au contact effectif des surfaces. D'autre part, la repousse des tissus osseux peut également s'effectuer à la périphérie de la tête du rivet, jusqu'à recouvrir entièrement celle-ci. In a particularly advantageous manner, this expanding rivet also commonly called a "POP" rivet, is produced from a bio-inert material composed of titanium and / or one or more of its alloys. On the one hand, this ensures good cohesion between the metal and the bone tissues located directly opposite, by pushing back the bone until effective contact with the surfaces. On the other hand, regrowth of bone tissue can also take place at the periphery of the head of the rivet, until it completely covers the latter.

Dans ses diverses applications industrielles, un rivet "POP" se compose classiquement d'une tige en acier et d'un oeillet en fonte d'aluminium. L'alliage de titane TA6V présente des propriétés métallurgiques similaire à l'acier. Il en est de même pour le titane T40
Grade l par rapport à la fonte d'aluminium.In its various industrial applications, a "POP" rivet conventionally consists of a steel rod and a cast aluminum eyelet. TA6V titanium alloy has metallurgical properties similar to steel. The same is true for titanium T40
Grade l compared to cast aluminum.

Aussi, selon une particularité de l'invention, le rivet à expansion objet de l'invention se compose d'une tige en alliage de titane TA6V et d'un oeillet et titane T40, Grade l
Selon une autre particularité de l'invention, la tête du rivet avantageusement constituée par une collerette, est pourvu d'un chanfrein sur son bord interne afin de ne pas léser le fil de suture.Also, according to a feature of the invention, the expansion rivet which is the subject of the invention consists of a rod made of titanium alloy TA6V and a grommet and titanium T40, Grade l
According to another feature of the invention, the head of the rivet, advantageously constituted by a flange, is provided with a chamfer on its internal edge so as not to damage the suture.

Contrairement au système d'ancrage à expansion de l'état de la technique précédemment décrit, constitué par une ancre, le rivet offre la possibilité de contrôler ladite expansion afin de tenir compte de la nature du milieu dans lequel il est implanté. En fonction de la composition et donc des caractéristiques mécaniques des alliages utilisés, il est possible de déterminer une épaisseur adéquate de la partie cylindrique de l'oeillet destinée à être introduite dans l'os, de manière à permettre une déformation prédéterminée de celle-ci et donc une expansion contrôlée du rivet dans les tissus osseux.De manière avantageuse, ladite partie cylindrique présente donc une épaisseur de l'ordre de 4/10 mln. Bien entendu, le choix de cette caractéristique peut être combiné avec un calibrage adéquat de la section de la tige du rivet, au niveau de son point d'affaiblissement, de sorte que la déformation de la partie cylindrique de l'oeillet dépende également de la force maximale de traction qui est exercée sur ladite tige lors de l'ancrage du rivet dans les tissus osseux. Unlike the expansion anchor system of the prior art described above, consisting of an anchor, the rivet offers the possibility of controlling said expansion in order to take into account the nature of the environment in which it is implanted. Depending on the composition and therefore the mechanical characteristics of the alloys used, it is possible to determine an adequate thickness of the cylindrical part of the eyelet intended to be introduced into the bone, so as to allow a predetermined deformation thereof. and therefore a controlled expansion of the rivet in the bone tissue. Advantageously, said cylindrical part therefore has a thickness of the order of 4/10 mln. Of course, the choice of this characteristic can be combined with an adequate calibration of the section of the rivet shank, at its point of weakening, so that the deformation of the cylindrical part of the eyelet also depends on the maximum tensile force which is exerted on said rod when anchoring the rivet in bone tissue.

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée. The description which follows with reference to the appended drawings, given by way of nonlimiting examples, will make it clear what the invention consists of and how it can be implemented.

La figure 1 représente une vue en coupe longitudinale d'un rivet à expansion conforme à l'invention. FIG. 1 represents a view in longitudinal section of an expansion rivet according to the invention.

Le rivet l illustré à la figure 1 est constitué de manière classique d'un oeillet 10 traversé par une tige 2 cylindrique. L'oeillet 10, composé quant à lui d'une tête 12 et d'un corps cylindrique 11, est pourvu à cet effet d'un alésage longitudinal 13. La partie de la tige 2 située à l'intérieur du corps cylindrique l l présente un usinage 3 destiné à affaiblir ladite tige 2 de manière à permettre sa coupure par rupture quand la force de traction qu'elle subit atteind une valeur maximale prédéterminée. La tige 2 cylindrique est terminée par une tête 4 de tige dont la fonction est d'entraîner la déformation du corps cylindrique 11 de l'oeillet 10 lorsque ladite force de traction est appliquée longitudinalement à la tige 2.La tête 12 du rivet l est, dans ce mode de réalisation préféré de l'invention, avantageusement constituée par une collerette dont le bord interne 14 présente un chanfrein 15. The rivet l illustrated in Figure 1 is conventionally constituted by an eyelet 10 through which a cylindrical rod 2 passes. The eyelet 10, meanwhile composed of a head 12 and a cylindrical body 11, is provided for this purpose with a longitudinal bore 13. The part of the rod 2 located inside the cylindrical body ll has a machining 3 intended to weaken said rod 2 so as to allow it to be cut by rupture when the tensile force which it undergoes reaches a predetermined maximum value. The cylindrical rod 2 is terminated by a rod head 4 whose function is to cause the deformation of the cylindrical body 11 of the eyelet 10 when said tensile force is applied longitudinally to the rod 2. The head 12 of the rivet l is , in this preferred embodiment of the invention, advantageously constituted by a flange, the internal edge 14 of which has a chamfer 15.

La mise en place du rivet 1 s'effectue de manière tout aussi classique à l'aide d'une pince à riveter dont le fonctionnement est en tous points semblable à celles utilisées dans les applications connues du rivet. Les seules différences existantes ne concernent que des caractéristiques structurelles qui sont spécifiquement adaptées à un usage chirurgical et notamment à la stérilisation par autoclave dans le bloc opératoire.  The establishment of the rivet 1 is carried out in an equally conventional manner using a riveting pliers whose operation is in all respects similar to those used in known applications of the rivet. The only existing differences relate only to structural characteristics which are specifically adapted for surgical use and in particular for sterilization by autoclave in the operating room.

Bien entendu, la tête 12 du rivet 1 peut présenter des formes variables. Ainsi on peut utiliser des rivets à tête ronde, à tête cylindrique plate ou à tête fraisée, bombée ou plate. Ces derniers permettent notamment le logement desdites têtes 12 dans les tissus osseux. Of course, the head 12 of the rivet 1 can have variable shapes. Thus, round head, flat cylindrical head or countersunk, domed or flat head rivets can be used. The latter allow in particular the housing of said heads 12 in the bone tissue.

Les dimensions générales du rivet 1 peuvent également varier en fonction de l'application envisagée. De manière avantageuse, on utilisera un grand modèle pour l'épaule, le genou ou la hanche. Un modèle moyen sera préféré pour la cheville ou pour le coude. Enfin, on emploiera un petit modèle pour le gros orteil, les doigts ou les malléoles distales. La longueur de l'oeillet 10 peut ainsi, par exemple, varier de 4 à 10 mm ; le diamètre de la tête 12, de 2 à 5 mm. The general dimensions of the rivet 1 can also vary depending on the intended application. Advantageously, a large model will be used for the shoulder, the knee or the hip. A medium model will be preferred for the ankle or for the elbow. Finally, we will use a small model for the big toe, fingers or distal malleoli. The length of the eyelet 10 can thus, for example, vary from 4 to 10 mm; the diameter of the head 12, from 2 to 5 mm.

Bien que les matériaux bio-inertes à base de titane et/ou d'un ou plusieurs de ses alliages soient préférés pour r la réalisation du dispositif d'ancrage objet de l'invention, des matières résorbables ou biocompatibles peuvent également se prêter à ce type d'utilisation. Dans le premier cas, des matériaux à base d'acide lactique ou du copolymère des acides lactique et glycolique peuvent être utilisés. Les matériaux biocompatibles peuvent quant à eux se présenter sous forme de plastiques (polyéthylène, nylon) ou de métaux (certains aciers inoxydables, alliages chrome-cobalt). Although bio-inert materials based on titanium and / or one or more of its alloys are preferred for the production of the anchoring device which is the subject of the invention, absorbable or biocompatible materials can also lend themselves to this. type of use. In the first case, materials based on lactic acid or the copolymer of lactic and glycolic acids can be used. Biocompatible materials can be in the form of plastics (polyethylene, nylon) or metals (certain stainless steels, chromium-cobalt alloys).

Lors d'une réinsertion musculaire ou tendineuse, le dispositif d'ancrage selon l'invention est relié par l'intermédiaire d'un fil de suture au segment musculaire ou tendineux, désinséré ou rompu. During a muscle or tendon reinsertion, the anchoring device according to the invention is connected via a suture to the muscle or tendon segment, disinserted or ruptured.

Avantageusement, ledit fil de suture est fixé au rivet 1 en un point situé sous la tête 12 de l'oeillet 10, de manière à être bloqué entre la surface de l'os et le bord interne 14 de ladite tête 12 lorsque le rivet 1 est en place dans le tissus osseux.Advantageously, said suture is fixed to the rivet 1 at a point located under the head 12 of the eyelet 10, so as to be blocked between the surface of the bone and the internal edge 14 of said head 12 when the rivet 1 is in place in the bone tissue.

Selon une caractéristique de l'invention, le fil de suture est constitué par un fil en double aiguillée, noué autour du corps cylindrique 1 1 de l'oeillet 10, en deux brins de longueurs égales. According to a feature of the invention, the suture is constituted by a double needle thread, knotted around the cylindrical body 11 of the eyelet 10, in two strands of equal length.

Selon une autre caractéristique, chaque brin du fil comporte à son extrémité une aiguille destinée à la suture proprement dite.  According to another characteristic, each strand of the thread has at its end a needle intended for the suture proper.

Dans la pratique, brins de fil et aiguilles sont enroulés ensemble autour d'une pièce support jetable en matière plastique et forment ainsi, avec le rivet, un ensemble complet stérilisable.  In practice, strands of thread and needles are wound together around a disposable plastic support piece and thus form, with the rivet, a complete sterilizable assembly.

Claims (8)

REVENDICATIONS 1. Dispositif d'ancrage pour réinsertion musculaire ou tendineuse en chirurgie orthopédique, caractérisé en ce que ledit dispositif d'ancrage est constitué par un rivet (1) à expansion.1. Anchoring device for muscle or tendon reinsertion in orthopedic surgery, characterized in that said anchoring device is constituted by an expanding rivet (1). 2. Dispositif d'ancrage selon la revendication l, caractérisé en ce que ledit rivet (1) à expansion est réalisé en titane et/ou en un ou plusieurs de ses alliages.2. An anchoring device according to claim l, characterized in that said expanding rivet (1) is made of titanium and / or one or more of its alloys. 3. Dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le rivet (1) à expansion est composé d'une tige (2) en alliage de titane TA6V et d'un oeillet (10) en titane T40, Grade 1.3. Device according to any one of claims 1 or 2, characterized in that the expanding rivet (1) is composed of a rod (2) of TA6V titanium alloy and of an eyelet (10) of T40 titanium , Grade 1. 4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la tête (12) du rivet (1) à expansion présente un chanfrein (15) sur son bord interne (14).4. Device according to any one of claims 1 to 3, characterized in that the head (12) of the expanding rivet (1) has a chamfer (15) on its internal edge (14). 5. Dispositif selon l'une quelconques des revendications 1 à 4, caractérisé en ce que la partie cylindrique (11) de l'oeillet (10) présente une épaisseur de l'ordre de 4/10 mm.5. Device according to any one of claims 1 to 4, characterized in that the cylindrical part (11) of the eyelet (10) has a thickness of the order of 4/10 mm. 6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un fil de suture est fixé au rivet 1, en un point situé sous la tête (12) de l'oeillet (10).6. Device according to any one of claims 1 to 5, characterized in that a suture thread is fixed to the rivet 1, at a point located under the head (12) of the eyelet (10). 7. Dispositif selon la revendication 6, caractérisé en ce que le fil de suture est constitué par un fil en double aiguillée noué autour du corps cylindrique (11) de l'oeillet (10), en deux brins de longueurs égales.7. Device according to claim 6, characterized in that the suture is constituted by a double needle thread knotted around the cylindrical body (11) of the eyelet (10), in two strands of equal length. 8. Dispositif selon la revendication 7, caractérisé en ce que chaque brin du fil de suture est pourvu d'une aiguille. 8. Device according to claim 7, characterized in that each strand of the suture is provided with a needle.
FR9510583A 1995-09-06 1995-09-06 ANCHORING DEVICE FOR MUSCLE OR TENSIONER REINSERTION Expired - Fee Related FR2738142B1 (en)

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FR2738142B1 FR2738142B1 (en) 1998-01-30

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
FR2781998A1 (en) * 1998-08-07 2000-02-11 Hassan Razian Implantable prosthesis for bone, has frangible connection between handling and implant sections of implant rod
FR2789315A1 (en) * 1999-02-08 2000-08-11 Jean Louis Dore Hip prosthesis femoral implant has coating of pure titanium to prevent migration of substances such as vanadium from implant into organism
WO2003057055A1 (en) * 2001-12-27 2003-07-17 Osteotech Inc. Orthopedic/neurosurgical system and method for securing vertebral bone facets
US9750552B2 (en) 2009-07-06 2017-09-05 DePuy Synthes Products, Inc. Expandable fixation assemblies
US10940016B2 (en) 2017-07-05 2021-03-09 Medos International Sarl Expandable intervertebral fusion cage
US11612491B2 (en) 2009-03-30 2023-03-28 DePuy Synthes Products, Inc. Zero profile spinal fusion cage

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US5167665A (en) * 1991-12-31 1992-12-01 Mckinney William W Method of attaching objects to bone
EP0571686A1 (en) * 1992-05-27 1993-12-01 William E. Anspach, Jr. Rivet for attaching objects
WO1995016399A1 (en) * 1993-12-14 1995-06-22 Biomet, Inc. Method and apparatus for securing soft tissues, tendons and ligaments to bone

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Publication number Priority date Publication date Assignee Title
FR2071781A5 (en) * 1970-02-16 1971-09-17 Textron Inc
GB2084468A (en) * 1980-09-25 1982-04-15 South African Inventions Surgical implant
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US5167665A (en) * 1991-12-31 1992-12-01 Mckinney William W Method of attaching objects to bone
EP0571686A1 (en) * 1992-05-27 1993-12-01 William E. Anspach, Jr. Rivet for attaching objects
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781998A1 (en) * 1998-08-07 2000-02-11 Hassan Razian Implantable prosthesis for bone, has frangible connection between handling and implant sections of implant rod
FR2789315A1 (en) * 1999-02-08 2000-08-11 Jean Louis Dore Hip prosthesis femoral implant has coating of pure titanium to prevent migration of substances such as vanadium from implant into organism
WO2003057055A1 (en) * 2001-12-27 2003-07-17 Osteotech Inc. Orthopedic/neurosurgical system and method for securing vertebral bone facets
US11612491B2 (en) 2009-03-30 2023-03-28 DePuy Synthes Products, Inc. Zero profile spinal fusion cage
US9750552B2 (en) 2009-07-06 2017-09-05 DePuy Synthes Products, Inc. Expandable fixation assemblies
US10940016B2 (en) 2017-07-05 2021-03-09 Medos International Sarl Expandable intervertebral fusion cage

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