FR2691355A1 - Two-part replacement prosthesis for knee joint tibial surface - has base implanted into upper surface of tibia by downwardly-projecting fasteners, with peripheral groove engaged by separate rubbing block - Google Patents
Two-part replacement prosthesis for knee joint tibial surface - has base implanted into upper surface of tibia by downwardly-projecting fasteners, with peripheral groove engaged by separate rubbing block Download PDFInfo
- Publication number
- FR2691355A1 FR2691355A1 FR9206051A FR9206051A FR2691355A1 FR 2691355 A1 FR2691355 A1 FR 2691355A1 FR 9206051 A FR9206051 A FR 9206051A FR 9206051 A FR9206051 A FR 9206051A FR 2691355 A1 FR2691355 A1 FR 2691355A1
- Authority
- FR
- France
- Prior art keywords
- block
- tibia
- prosthesis
- base
- prosthesis according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002303 tibia Anatomy 0.000 title claims abstract description 9
- 210000000629 knee joint Anatomy 0.000 title description 2
- 230000002093 peripheral effect Effects 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000007943 implant Substances 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 210000003127 knee Anatomy 0.000 description 3
- 208000003947 Knee Osteoarthritis Diseases 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Classifications
-
- 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
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- 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
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2002/3895—Joints for elbows or knees unicompartimental
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
L'arthrose du genou est essentiellement douloureuse par le micro-tassement trabeculaire du centre du plateau tibial. Osteoarthritis of the knee is essentially painful due to the trabecular micro-compression of the center of the tibial plateau.
Pour remédier à cette arthrose du genou, on a utilisé des implants, genéralement en metal de grande surface afin de répartir les charges
Mais, ces implants ne permettaient pas une stabilité parfaite lors du fonctionnement du genou.To remedy this osteoarthritis of the knee, implants were used, generally made of large surface metal in order to distribute the loads.
However, these implants did not allow perfect stability during knee operation.
La présente invention remédie à ces inconvénients en permettant une pose rapide d'implants plus petits, une mise en place horizontale du support de la surface de glissement, une fixation mécanique ou biologique et, surtout, un système modulable et révisable pour remédier aux risques d'usure. The present invention overcomes these drawbacks by allowing rapid placement of smaller implants, horizontal positioning of the support for the sliding surface, mechanical or biological fixation and, above all, a modular and revisable system to remedy the risks of 'wear.
De plus, la surface dite de glissement est polyvalente pour les diverses variétés de base proposées dans l'invention. In addition, the so-called sliding surface is versatile for the various basic varieties proposed in the invention.
Conformément à l'invention, la surface de base constituée par un bloc supérieur muni sur sa partie inférieure d'organes de fixation dans la face supérieure du tibia comporte latéralement, le long de ces grands côtes, des gorges destinées à recevoir des bourrelets, de surfaces de glissement de formes diverses en permettant ainsi, en cas de nécessite, après usure ou autre anomalie le reappareillage du patient. According to the invention, the base surface constituted by an upper block provided on its lower part with fixing members in the upper face of the tibia comprises laterally, along these large ribs, grooves intended to receive beads, sliding surfaces of various shapes thus allowing, if necessary, after wear or other anomaly the reappearance of the patient.
Suivant une autre caractéristique de l'invention, les organes de fixation du bloc portant les surfaces de glissement sont constitués soit par des petites tiges métalliques réparties en nombre suffisant, soit par des cadres longitudinaux et des cadres transversaux perces d'ouvertures diverses pour la mise en place de vis classiques d'ostéosynthèse
Suivant une autre particularité de l'invention.According to another characteristic of the invention, the fixing members of the block carrying the sliding surfaces are constituted either by small metal rods distributed in sufficient number, or by longitudinal frames and transverse frames pierced with various openings for placing in place of conventional osteosynthesis screws
According to another feature of the invention.
les surfaces de glissement présentent des parties supérieures de formes diverses plane, creuse (concave), en pente douce (concave à bords relevés), inclinée plane (oblique). the sliding surfaces have upper parts of various shapes plane, hollow (concave), gently sloping (concave with raised edges), inclined plane (oblique).
Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit. Various other characteristics of the invention will also emerge from the detailed description which follows.
Des formes de réalisation de l'objet de l'invention sont représentées, à titre d'exemples non limitatifs, aux dessins annexés. Embodiments of the object of the invention are shown, by way of nonlimiting examples, in the accompanying drawings.
La fig. 1 est une vue en perspective d'une première forme de réalisation de la surface de base de l'implant. Fig. 1 is a perspective view of a first embodiment of the base surface of the implant.
La fig. 2 est une vue en perspective inversée de la surface de base de la fig. 1. Fig. 2 is an inverted perspective view of the base surface of FIG. 1.
La fig. 3 est une vue en perspective inversée d'une deuxième forme de réalisation de la surface de base de l'implant. Fig. 3 is an inverted perspective view of a second embodiment of the base surface of the implant.
La fig. 4 est une vue en perspective inversée de la fig. 3 mais comprenant une surface de glissement. Fig. 4 is an inverted perspective view of FIG. 3 but comprising a sliding surface.
Les fig. 5a, 5b, 5c et 5d montrent, en élévation de face, diverses formes de réalisation de la surface de glissement utilisable avec l'implant de l'invention. Figs. 5a, 5b, 5c and 5d show, in front elevation, various embodiments of the sliding surface usable with the implant of the invention.
La fig. 6 est une vue partiellement en coupe de la mise en place d'un implant conformément à l'invention sur la partie supérieure du tibia. Fig. 6 is a partially sectional view of the placement of an implant in accordance with the invention on the upper part of the tibia.
Les fig. 7, 8 et 9 sont des vue en plan médial antérieur d'implants conformes a l'invention sur un tibia en cours de fin de phase opératoire. Figs. 7, 8 and 9 are anterior medial plan views of implants according to the invention on a tibia during the end of the operative phase.
A la fig. 1. on a représenté, en perspective, une première forme de réalisation d'une surface de base d'implants qui est constituée par un bloc supérieur 1 de forme parallépipèdique rectangle présentant, sur ces deux grands côtés, des gorges 2 destinées à recevoir des bourrelets 3 prévus dans des cavités 4 de surface de glissement 5 (voir fig. 5a à 5d). In fig. 1. there is shown, in perspective, a first embodiment of a base surface of implants which is constituted by an upper block 1 of rectangular parallelepiped shape having, on these two long sides, grooves 2 intended to receive beads 3 provided in cavities 4 of sliding surface 5 (see fig. 5a to 5d).
La face inférieure de la surface de base 1 est munie, comme cela est visible aux fig. 1 et 2, de petites tiges métalliques 6 en nombre suffisant pour permettre la fixation, par introduction des tiges métalliques 6 dans la partie supérieure du tibia, de la surface de base 1 de l'implant. The underside of the base surface 1 is provided, as can be seen in FIGS. 1 and 2, small metal rods 6 in sufficient number to allow the attachment, by introduction of the metal rods 6 in the upper part of the tibia, of the base surface 1 of the implant.
Ces tiges sont en matière compatible biologiquement avec le corps humain mais, le plus souvent, en métal. These rods are made of biologically compatible material with the human body but, most often, metal.
En ce qui concerne la surface de base 1, sa forme a été indiquée rectangulaire mais, pour des raisons anatomiques spécifiques, elle peut être ronde, ovale ou avoir toute autre forme géométrique simple ou complexe. With regard to the base surface 1, its shape has been indicated rectangular but, for specific anatomical reasons, it may be round, oval or have any other simple or complex geometric shape.
Sa face superieure la est plane et lisse et peut même subir un traitement de polissage afin de limiter au minimum les frottements. Its upper face la is flat and smooth and can even undergo a polishing treatment in order to minimize friction.
Lorsque cette surface de base est en place sur la partie supérieure du tibia dans le plateau tibial médial et/ou dans le plateau tibial latéral (voir fig. 7, 8 et 9), le praticien met en place, par glissement, une surface de glissement 5 (voir fig. 5a à 5d) dont la face supérieure 55 peut être plane (voir fig. 5a), creuse 55a (concave) (voir fig. 5b), en pente douce 55b (concave à bords relevés) (voir fig. 5c), inclinée plane 55c (oblique) (voir fig. 5d) suivant, d'une part, l'emplacement sur le plateau tibial et, d'autre part, la configuration particulière du genou du patient. When this base surface is in place on the upper part of the tibia in the medial tibial plateau and / or in the lateral tibial plateau (see fig. 7, 8 and 9), the practitioner sets up, by sliding, a surface of slide 5 (see fig. 5a to 5d) whose upper face 55 can be flat (see fig. 5a), hollow 55a (concave) (see fig. 5b), gently sloping 55b (concave with raised edges) (see fig . 5c), inclined plane 55c (oblique) (see fig. 5d) depending, on the one hand, on the location on the tibial plateau and, on the other hand, the particular configuration of the patient's knee.
Dans certains cas, la face supérieure des surfaces de glissement peut être adaptée anatomiquement au patient surtout lorsqu'il 'agit d'une remise en état d'un genou ayant déjà reçu antérieurement une prothèse. In certain cases, the upper face of the sliding surfaces can be adapted anatomically to the patient, especially when it is a question of repairing a knee having already received a prosthesis.
Bien entendu, la encore, les surfaces de glissement sont réalisées en matériaux biologiquement compatibles avec le corps humain et, en particulier, on utilise des polyéthylènes a haute densité, des produits céramiques, des produits à base de carbone, etc. Of course, again, the sliding surfaces are made of materials biologically compatible with the human body and, in particular, high density polyethylenes, ceramic products, carbon-based products, etc. are used.
Finalement, on a représenté, en coupe, à la fig. 6, la tête d'un tibia 20 dont la face supérieure a été travaillée pour recevoir une surface de base 30 dont la partie inférieure, comportant deux cadres 31 parallèles, permet la mise en place, du fait de trous oblongs 32, de grosses vis 33 a spongieux d'ostéosynthese classiques pour la fixation par compression de l'ensemble dans l'os. Finally, there is shown, in section, in FIG. 6, the head of a tibia 20, the upper face of which has been worked to receive a base surface 30, the lower part of which, comprising two parallel frames 31, allows large screws to be put in place, because of oblong holes 32 33 has conventional cancellous osteosynthesis for fixing by compression of the assembly in the bone.
De plus, il est prévu, transversalement sous la surface de base, des traverses 34 perçées d'au moins un trou 34a pour recevoir une ou des vis 34b d'ostéosynthèse pour fixation par traction. In addition, there are provided, transversely below the base surface, cross members 34 drilled with at least one hole 34a to receive one or more osteosynthesis screws 34b for fixing by traction.
Il est possible également de prévoir des ouvertures 35 (voir fig. 3 et 4) pour que l'os puisse recoloniser l'implant afin d'en assurer sa fixation biologique. It is also possible to provide openings 35 (see FIGS. 3 and 4) so that the bone can recolonize the implant in order to ensure its biological fixation.
A titre de complément d'informations, il est stipulé que les surfaces de base ainsi que leurs annexes (voir fig. 1, 2, 3, 4 et 6) peuvent être revêtues de métal poreux avec ou sans revêtement de HAP (hydroxylapatite). For further information, it is stipulated that the base surfaces as well as their annexes (see fig. 1, 2, 3, 4 and 6) can be coated with porous metal with or without coating of PAH (hydroxylapatite).
Comme on peut s'en rendre compte par la description qui précède, la mise en place des surfaces de glissement (voir fig. 5a a 5d) sur les surfaces de base, par pénétration des bourrelets 3 dans les gorges 2 en formant ainsi un encliquetage mécanique, réalise une fixation simple assurant la polyvalence de la surface de glissement sur la surface de base et permet une révision ultérieure, si nécessaire, et un changement de surface de glissement d'une manière aisée dans le cas d'une usure prématurée. As can be seen from the foregoing description, the positioning of the sliding surfaces (see fig. 5a to 5d) on the base surfaces, by penetration of the beads 3 in the grooves 2 thereby forming a snap mechanical, achieves a simple fixing ensuring the versatility of the sliding surface on the base surface and allows a later revision, if necessary, and a change of sliding surface in an easy way in the case of premature wear.
Le fait d'employer des matériaux et des produits compatibles, d'une part, et de realiser des implants de petite taille, d'autre part, permet aux praticiens des interventions rapides, ne fatiguant que peu le patient mais également la remise parfaite des ligaments articulaires du genou en assurant ainsi une réussite surprenante pour des interventions qui, jusqu'alors, étaient pénibles pour le patient et d'un résultat parfois décevant. The fact of using compatible materials and products, on the one hand, and making small implants, on the other hand, allows practitioners to intervene quickly, not only tiring the patient but also the perfect delivery of knee joint ligaments thus ensuring a surprising success for interventions which, until then, were painful for the patient and sometimes had a disappointing result.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9206051A FR2691355A1 (en) | 1992-05-19 | 1992-05-19 | Two-part replacement prosthesis for knee joint tibial surface - has base implanted into upper surface of tibia by downwardly-projecting fasteners, with peripheral groove engaged by separate rubbing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9206051A FR2691355A1 (en) | 1992-05-19 | 1992-05-19 | Two-part replacement prosthesis for knee joint tibial surface - has base implanted into upper surface of tibia by downwardly-projecting fasteners, with peripheral groove engaged by separate rubbing block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2691355A1 true FR2691355A1 (en) | 1993-11-26 |
Family
ID=9429922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9206051A Pending FR2691355A1 (en) | 1992-05-19 | 1992-05-19 | Two-part replacement prosthesis for knee joint tibial surface - has base implanted into upper surface of tibia by downwardly-projecting fasteners, with peripheral groove engaged by separate rubbing block |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2691355A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5902339A (en) * | 1996-08-19 | 1999-05-11 | Waldemar Link (Gmbh & Co) | Method and device for inserting and positioning a prosthesis |
| DE19803183A1 (en) * | 1998-01-28 | 1999-08-19 | Zahedi | Knee joint implant is fixed between tibia and femora by means of tapered pins |
| WO2007054553A1 (en) * | 2005-11-09 | 2007-05-18 | Zimmer Gmbh | Implant |
| US7799087B2 (en) | 2005-08-31 | 2010-09-21 | Zimmer Gmbh | Implant |
| US8632601B2 (en) | 2006-04-28 | 2014-01-21 | Zimmer, Gmbh | Implant |
| US8840671B2 (en) | 2011-03-25 | 2014-09-23 | Zimmer Gmbh | Shoulder prosthesis |
| US8979935B2 (en) | 2007-07-31 | 2015-03-17 | Zimmer, Inc. | Joint space interpositional prosthetic device with internal bearing surfaces |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266492A1 (en) * | 1974-04-08 | 1975-10-31 | Garonne Ets Auriol & Cie | Artificial knee joint - has plates removable from tibia base sections and supporting femoral assembly |
| EP0013864A1 (en) * | 1979-01-26 | 1980-08-06 | Osteo Ag | Knee joint slide prosthesis |
| GB2116848A (en) * | 1982-03-19 | 1983-10-05 | James Michael Sheehan | Element for prosthetic joint |
| GB2150441A (en) * | 1983-11-28 | 1985-07-03 | Larry S Matthews | Prosthesis having an improved interface surface |
| DE3429157A1 (en) * | 1984-08-08 | 1986-02-20 | Harry Prof. Dr.med. 1000 Berlin Buse | Tibial plateau implant for cementless implantation |
| FR2632516A1 (en) * | 1988-06-10 | 1989-12-15 | Guy Esteve | Single-compartment knee prosthesis comprising a tibial plate with metal seat |
| US5061271A (en) * | 1989-02-27 | 1991-10-29 | Boehringer Mannheim Corporation | Tool for separating components of a modular joint prosthesis |
-
1992
- 1992-05-19 FR FR9206051A patent/FR2691355A1/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266492A1 (en) * | 1974-04-08 | 1975-10-31 | Garonne Ets Auriol & Cie | Artificial knee joint - has plates removable from tibia base sections and supporting femoral assembly |
| EP0013864A1 (en) * | 1979-01-26 | 1980-08-06 | Osteo Ag | Knee joint slide prosthesis |
| GB2116848A (en) * | 1982-03-19 | 1983-10-05 | James Michael Sheehan | Element for prosthetic joint |
| GB2150441A (en) * | 1983-11-28 | 1985-07-03 | Larry S Matthews | Prosthesis having an improved interface surface |
| DE3429157A1 (en) * | 1984-08-08 | 1986-02-20 | Harry Prof. Dr.med. 1000 Berlin Buse | Tibial plateau implant for cementless implantation |
| FR2632516A1 (en) * | 1988-06-10 | 1989-12-15 | Guy Esteve | Single-compartment knee prosthesis comprising a tibial plate with metal seat |
| US5061271A (en) * | 1989-02-27 | 1991-10-29 | Boehringer Mannheim Corporation | Tool for separating components of a modular joint prosthesis |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5902339A (en) * | 1996-08-19 | 1999-05-11 | Waldemar Link (Gmbh & Co) | Method and device for inserting and positioning a prosthesis |
| DE19803183A1 (en) * | 1998-01-28 | 1999-08-19 | Zahedi | Knee joint implant is fixed between tibia and femora by means of tapered pins |
| DE19803183C2 (en) * | 1998-01-28 | 2001-03-22 | Amir Zahedi | Modular knee joint prosthesis with fixation pins |
| US7799087B2 (en) | 2005-08-31 | 2010-09-21 | Zimmer Gmbh | Implant |
| US8394149B2 (en) | 2005-08-31 | 2013-03-12 | Zimmer, Gmbh | Method for implantation of a femoral implant |
| WO2007054553A1 (en) * | 2005-11-09 | 2007-05-18 | Zimmer Gmbh | Implant |
| US8308807B2 (en) | 2005-11-09 | 2012-11-13 | Zimmer, Gmbh | Implant with differential anchoring |
| US8632601B2 (en) | 2006-04-28 | 2014-01-21 | Zimmer, Gmbh | Implant |
| US8979935B2 (en) | 2007-07-31 | 2015-03-17 | Zimmer, Inc. | Joint space interpositional prosthetic device with internal bearing surfaces |
| US8840671B2 (en) | 2011-03-25 | 2014-09-23 | Zimmer Gmbh | Shoulder prosthesis |
| US8845742B2 (en) | 2011-03-25 | 2014-09-30 | Zimmer Gmbh | Shoulder prosthesis |
| US8992623B2 (en) | 2011-03-25 | 2015-03-31 | Zimmer Gmbh | Shoulder prosthesis |
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