FR2695313A1 - Socket implant, esp. shoulder prosthesis - is designed to allow use of thin metallic base plate - Google Patents

Socket implant, esp. shoulder prosthesis - is designed to allow use of thin metallic base plate Download PDF

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Publication number
FR2695313A1
FR2695313A1 FR9211000A FR9211000A FR2695313A1 FR 2695313 A1 FR2695313 A1 FR 2695313A1 FR 9211000 A FR9211000 A FR 9211000A FR 9211000 A FR9211000 A FR 9211000A FR 2695313 A1 FR2695313 A1 FR 2695313A1
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France
Prior art keywords
implant according
base
glenoid
implant
boss
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Granted
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FR9211000A
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French (fr)
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FR2695313B1 (en
Inventor
Joel Landanger
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FABRICATION ETU REALISA IMPLAN
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FABRICATION ETU REALISA IMPLAN
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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
    • A61F2/40—Joints for shoulders
    • A61F2/4081—Glenoid components, e.g. cups
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30112—Rounded shapes, e.g. with rounded corners
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30158—Convex polygonal shapes trapezoidal
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/305—Snap connection
    • 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
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30784—Plurality of holes
    • A61F2002/30787—Plurality of holes inclined obliquely with respect to each other
    • 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
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/3079—Stepped or enlarged apertures, e.g. having discrete diameter changes
    • 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
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0026—Angular shapes trapezoidal
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (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

In a socket implant with a metallic base plate (1) accommodating a polyethylene face plate (2), the novelty is that the base plate (1) has a much reduced thickness and has bottom projections (1b) allowing integration of fasteners (3) which cooperate esp. with the spongy material of the socket. USE/ADVANTAGE - Esp. as a shoulder prosthesis. The thickness of the metallic base plate can be minimised in a simple, safe, effective and rational manner.

Description

Implant alénoidien.  Alenoid implant.

L'invention concerne plus particulièrement des implants orthopédiques, notamment pour les prothèses d'épaule. The invention relates more particularly to orthopedic implants, in particular for shoulder prostheses.

On connaît différentes formes de réalisation de prothèse pour le traitement des épaules détruites. Le problème posé est de pouvoir reproduire la surface anatomique de l'articulation de l'épaule. Various embodiments of prosthesis are known for the treatment of destroyed shoulders. The problem is to be able to reproduce the anatomical surface of the shoulder joint.

Généralement, ces prothèses présentent un élément huméral constitué par une tête sphérique destinée à remplacer la tête de l'humérus. Generally, these prostheses have a humeral element consisting of a spherical head intended to replace the head of the humerus.

Cette tête, solidaire d'une tige fixée dans le canal médullaire de l'humérus, coopère en appui soit directement avec la glène, lorsqu'elle est en bon état ou bien, avec un implant glénoïdien dans le cas contraire.This head, integral with a rod fixed in the medullary canal of the humerus, cooperates in support either directly with the glenoid, when it is in good condition or else, with a glenoid implant in the contrary case.

L'invention concerne plus particulièrement un implant glénoidien destiné à être fixé sur la glène de l'omoplate. The invention relates more particularly to a glenoid implant intended to be fixed to the glenoid of the scapula.

Certains types d'implants connus sont constitués par un élément en polyéthylène cimenté au niveau de la glène. Des problèmes de fixation apparaissent. Certain types of known implants consist of a polyethylene element cemented at the level of the glenoid. Fixation problems appear.

On connaît également des implants comportant une embase métallique recevant un plateau en polyéthylène. Implants are also known comprising a metal base receiving a polyethylene plate.

Cependant, ce type d'implant est très peu utilisé car, comptetenu de l'articulation à restaurer, l'implant doit être d'épaisseur la plus réduite possible, ce qui, en l'espèce, n'est pas le cas, compte-tenu de la présence de l'embase métallique qui génère une surépaisseur. En effet, l'embase doit être assez épaisse pour permettre l'intégration notamment des têtes de vis de fixation coopérant avec la glène au niveau du spongieux. A titre indicatif, dans les implants connus, l'épaisseur de l'embase est très sensiblement de l'ordre de 11 à 13 mm. However, this type of implant is very little used because, given the joint to be restored, the implant must be as thin as possible, which in this case is not the case, account -due to the presence of the metal base which generates an additional thickness. Indeed, the base must be thick enough to allow the integration in particular of the fixing screw heads cooperating with the glenoid at the cancellous level. As an indication, in known implants, the thickness of the base is very substantially of the order of 11 to 13 mm.

L'invention s'est fixée pour but de remédier à ces inconvénients, de manière simple, sûre, efficace et rationnelle. The object of the invention is to remedy these drawbacks in a simple, safe, effective and rational manner.

Le problème que se propose de résoudre l'invention est de réduire au minimum l'épaisseur de l'embase métallique. The problem which the invention proposes to solve is to minimize the thickness of the metal base.

Pour résoudre un tel problème, il a été conçu et mis au point un implant glénoidien du type de ceux comprenant une embase métallique recevant un plateau en polyéthylène, remarquable en ce que l'embase est d'épaisseur très réduite et présente en débordement de sa face de dessous, des agencements aptes à permettre l'intégration de moyens de fixation coopérant notamment avec le spongieux de la glène. To solve such a problem, it was designed and developed a glenoid implant of the type of those comprising a metal base receiving a polyethylene plate, remarkable in that the base is of very reduced thickness and has an overflow from its face down, arrangements capable of allowing the integration of fastening means cooperating in particular with the cancellous of the glenoid.

Compte-tenu de ces dispositions, il est possible de réaliser un implant dont l'embase peut présenter une épaisseur réduire de l'ordre de 3 à4mm. In view of these provisions, it is possible to produce an implant, the base of which can have a thickness that is reduced by around 3 to 4 mm.

Le problème posé est avantageusement résolu en ce que les agencements sont constitués par au moins un bossage établi selon l'axe longitudinal de l'embase en étant décalé transversalement pour coopérer avec le spongieux de la glène. The problem posed is advantageously solved in that the arrangements consist of at least one boss established along the longitudinal axis of the base being offset transversely to cooperate with the cancellous part of the glenoid.

Ce bossage assure une préstabilisation de l'implant glénoïdien par rapport à la glène qui a été usinée en conséquence. This boss provides a stabilization of the glenoid implant relative to the glenoid which has been machined accordingly.

Le bossage présente des évidements pour le logement et l'intégration de têtes de vis, qui constituent les moyens de fixation. Les évidements sont constitués par des trous débouchants évasés et orientés pour faire varier à volonté l'angulation des vis, en fonction du spongieux.  The boss has recesses for housing and integrating screw heads, which constitute the fixing means. The recesses are formed by flared through holes and oriented to vary at will the angulation of the screws, depending on the cancellous.

Pour améliorer la stabilisation de l'implant au niveau de la glène, la face de dessous de l'embase présente, selon son axe longitudinal, en alignement avec le bossage, un picot d'ancrage. To improve the stabilization of the implant at the level of the glenoid, the underside of the base has, along its longitudinal axis, in alignment with the boss, an anchoring pin.

L'embase à une forme très sensiblement ovoïde et présente à chacune de ses extrémités arrondies coaxialement opposées, des agencements aptes à assurer la fixation du plateau. The base has a very substantially ovoid shape and has at each of its coaxially opposite rounded ends, arrangements capable of ensuring the fixing of the plate.

Le problème posé d'assurer la fixation du plateau sur l'embase tibiale est résolu en ce que les agencements sont constitués par des rebords d'appui présentant chacun une nervure de clipsage coopérant avec des formes complémentaires du plateau. The problem posed of securing the plate to the tibial base is solved in that the arrangements consist of support flanges each having a clipping rib cooperating with complementary shapes of the plate.

Le plateau présente une surface d'appui profilée dans le plan longitudinal et dans le plan transversal, pour correspondre au mouvement d'articulation de la tête humérale sur la glène. The plate has a support surface profiled in the longitudinal plane and in the transverse plane, to correspond to the movement of articulation of the humeral head on the glenoid.

L'invention est exposée, ci-après plus en détail à l'aide des dessins annexés, dans lesquels:
La figure 1 est une vue en perspective avant montage des éléments de l'implant selon l'invention.The invention is set out below in more detail using the appended drawings, in which:
Figure 1 is a perspective view before assembly of the elements of the implant according to the invention.

La figure 2 est une vue en coupe longitudinal de 'implant. Figure 2 is a longitudinal sectional view of the implant.

La figure 3 est une vue de dessous de l'implant. Figure 3 is a bottom view of the implant.

La figure 4 est une vue montrant l'impaction de l'implant au niveau de la glène.  FIG. 4 is a view showing the impaction of the implant at the level of the glenoid.

L'implant glénoïdien comprend une embase métallique (1) et un plateau en polyéthylène (2). The glenoid implant includes a metal base (1) and a polyethylene tray (2).

D'une manière connue, l'embase est destinée à être fixée sur la glène (G) de l'omoplate (O), tandis que le plateau (2) constitue une surface d'appui et d'articulationn, soit directement à la tête humérale de l'humérus, soit à une tête sphérique que présente un implant huméral. In a known manner, the base is intended to be fixed on the glenoid (G) of the scapula (O), while the plate (2) constitutes a bearing and articulation surface, either directly at the humeral head of the humerus, or a spherical head presented by a humeral implant.

Selon une caractéristique à la base de l'invention, 'embase (1) est d'épaisseur très réduite. Compte-tenu de cette très faible épaisseur, l'embase (1) présente en débordement de sa face de dessous, des agencements (lob) pour l'intégration de vis (3) en vue de sa fixation au niveau du spongieux de la glène (G). According to a characteristic underlying the invention, the base (1) is of very reduced thickness. Given this very small thickness, the base (1) has overhanging its underside, arrangements (lob) for the integration of screws (3) for its attachment to the cancellous of the glenoid (G).

Comme le montre la figure 1, les agencements sont constitués par au moins un bossage (lob) de forme circulaire. Ce bossage (lob) est établi selon l'axe longitudinal de l'embase (1) en étant décalé transversalement pour faire office d'organe stabilisateur en coopérant avec le spongieux. Ce bossage (1 b) présente des évidements débouchants (lbl) pour le logement et l'intégration des têtes de vis (3a). Ces évidements (1 bi) sont constitués par des trous évasés et orientés (figure 2), permettant ainsi de diriger angulairement les vis (3) pour leur vissage dans le spongieux (figure 4). As shown in Figure 1, the arrangements consist of at least one boss (lob) of circular shape. This boss (lob) is established along the longitudinal axis of the base (1) being offset transversely to act as a stabilizing member by cooperating with the cancellous. This boss (1b) has through recesses (lbl) for housing and integration of the screw heads (3a). These recesses (1 bi) are formed by flared and oriented holes (Figure 2), thereby angularly directing the screws (3) for their screwing in the cancellous (Figure 4).

En alignement avec le bossage (il), la face de dessous de l'embase (1) présente, selon son axe longitudinal, un picot d'ancrage (il).  In alignment with the boss (it), the underside of the base (1) has, along its longitudinal axis, an anchoring pin (it).

L'embase (1) est de forme générale ovoïde et présente à chacune de ses extrémités arrondies et coaxialement opposées, des rebords d'appui (1d-1e). Chacun des rebords présente une nervure (1d1- lel) pour le clipsage du plateau en polyéthylène (2) au moyen de formes complémentaires (2a-2b). The base (1) is generally ovoid in shape and has, at each of its rounded and coaxially opposite ends, support flanges (1d-1e). Each of the edges has a rib (1d1-lel) for clipping the polyethylene plate (2) by means of complementary shapes (2a-2b).

D'une manière connue, le plateau (2) présente un profil longitudinal et transversal courbes pour tenir compte du développement de l'articulation de la tête humérale. In a known manner, the plate (2) has a curved longitudinal and transverse profile to take account of the development of the articulation of the humeral head.

Les avantages ressortent bien de la description.  The advantages are apparent from the description.

Claims (9)

REVENDICATIONS -1- Implant glénoïdien comprenant une embase métallique (1) recevant un plateau polyéthylène (2), caractérisé en ce que l'embase (1) est d'épaisseur très réduite et présente, en débordement de sa face de dessous, des agencements (1 b) aptes à permettre l'intégration de moyens de fixation (3) coopérant notamment avec le spongieux de la glène.-1- Glenoid implant comprising a metal base (1) receiving a polyethylene plate (2), characterized in that the base (1) is of very reduced thickness and has arrangements (overhanging its underside) 1 b) able to allow the integration of fixing means (3) cooperating in particular with the cancellous of the glenoid. -2- Implant selon la revendication 1, caractérisé en ce que les agencements (1 b) sont constitués par au moins un bossage établi selon l'axe longitudinal de l'embase (1) en étant décalé transversalement pour coopérer avec le spongieux de la glène.-2- Implant according to claim 1, characterized in that the arrangements (1b) consist of at least one boss established along the longitudinal axis of the base (1) being offset transversely to cooperate with the cancellous of the glenoid. -3- Implant selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le bossage (lob) présente des évidements (lbl) pour le logement et l'intégration de têtes de vis (3a), qui constituent les moyens de fixation (3).-3- Implant according to any one of claims 1 and 2, characterized in that the boss (lob) has recesses (lbl) for housing and integration of screw heads (3a), which constitute the means of fixing (3). -4- Implant selon la revendication 3, caractérisé en ce que les évidements (1 bl) sont constitués par des trous débouchants évasés et orientés pour faire varier à volonté l'angulation des vis (3), en fonction du spongieux.-4- Implant according to claim 3, characterized in that the recesses (1 bl) are constituted by flared through holes and oriented to vary at will the angulation of the screws (3), depending on the cancellous. -5- Implant selon la revendication 2, caractérisé en ce que la face de dessous de l'embase (1) présente, selon son axe longitudinal, en alignement avec le bossage, un picot d'ancrage (il). -5- Implant according to claim 2, characterized in that the underside of the base (1) has, along its longitudinal axis, in alignment with the boss, an anchoring pin (it). -6- Implant selon la revendication 1, caractérisé en ce que l'embase (1) à une forme très sensiblement ovoïde et présente à chacune de ses extrémités arrondies coaxialement opposées, des agencements aptes à assurer la fixation du plateau (2).  -6- Implant according to claim 1, characterized in that the base (1) has a very substantially ovoid shape and has at each of its coaxially opposite rounded ends, arrangements capable of ensuring the fixing of the plate (2). -7- Implant selon la revendication 6, caractérisé en ce que les agencements sont constitués par des rebords d'appui (1 d-l e) présentant chacun une nervure de clipsage coopérant avec des formes complémentaires du plateau (2).-7- Implant according to claim 6, characterized in that the arrangements consist of support flanges (1 d-l e) each having a clipping rib cooperating with complementary shapes of the plate (2). -8- Implant selon la revendication 1, caractérisé en ce que le plateau (2) présente une surface d'appui profilée dans le plan longitudinal et dans le plan transversal, pour correspondre au mouvement d'articulation de la tête humérale sur la glène.-8- Implant according to claim 1, characterized in that the plate (2) has a profiled bearing surface in the longitudinal plane and in the transverse plane, to correspond to the movement of articulation of the humeral head on the glenoid. -9- Implant selon la revendication 2, caractérisé en ce que le bossage (lob) est de forme circulaire. -9- Implant according to claim 2, characterized in that the boss (lob) is of circular shape.
FR9211000A 1992-09-08 1992-09-08 Glenoid implant. Expired - Fee Related FR2695313B1 (en)

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FR2776506A1 (en) * 1998-03-25 1999-10-01 Depuy France Shoulder prosthesis glenoid member and ancillary components
EP0963742A1 (en) * 1998-06-09 1999-12-15 Depuy Orthopaedics, Inc. Modular glenoid assembly
FR2780635A1 (en) * 1998-07-06 2000-01-07 Tornier Sa DEVICE FOR FIXING A PLASTIC INSERT
FR2825263A1 (en) * 2001-05-30 2002-12-06 Tecknimed Shoulder joint prosthesis has cap on humerus to engage socket with movement limiting stop surfaces
FR2843293A1 (en) * 2002-08-08 2004-02-13 Didier Capon Prosthetic implant for anatomical limb articulation comprises metallic base with fixings into limb and receives polyethylene insert by means of complementary fittings
EP1520561A1 (en) * 2003-10-01 2005-04-06 Biomet France Scapular glenoid cavity prosthesis
EP1858453A2 (en) * 2005-02-25 2007-11-28 Stephen B. Gunther Shoulder implant for glenoid replacement and methods of use thereof
US8231683B2 (en) 2009-12-08 2012-07-31 Depuy Products, Inc. Shoulder prosthesis assembly having glenoid rim replacement structure
US8241365B2 (en) 2008-12-23 2012-08-14 Depuy Products, Inc. Shoulder prosthesis with vault-filling structure having bone-sparing configuration
US8465548B2 (en) 2010-11-24 2013-06-18 DePuy Synthes Products, LLC Modular glenoid prosthesis
US8480750B2 (en) 2010-11-24 2013-07-09 DePuy Synthes Products, LLC Modular glenoid prosthesis
US8556980B2 (en) 2004-09-27 2013-10-15 DePuy Synthes Products, LLC Glenoid augment and associated method
US8778028B2 (en) 2005-02-25 2014-07-15 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement
US9149362B2 (en) 2004-09-27 2015-10-06 DePuy Synthes Products, Inc. Instrument for preparing an implant support surface and associated method
US10492926B1 (en) 2014-09-04 2019-12-03 Shoulder Innovations, Inc. Alignment guide for humeral or femoral stem replacement prostheses
US11065125B2 (en) 2017-04-14 2021-07-20 Shoulder Innovations, Inc. Total shoulder prosthesis having inset glenoid implant convertible from anatomic to reverse
US11344423B1 (en) 2009-03-05 2022-05-31 Howmedica Osteonics Corp. Glenoid implant anchor post
US11464643B2 (en) 2011-02-13 2022-10-11 Encore Medical, L.P. Shoulder arthroplasty systems and configurations for components thereof
USD977643S1 (en) 2019-03-12 2023-02-07 Shoulder Innovations, Inc. Humeral stem implant
US20230090753A1 (en) 2019-03-11 2023-03-23 Shoulder Innovations, Inc. Total reverse shoulder systems and methods
US11957595B2 (en) 2005-02-25 2024-04-16 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494913B1 (en) 1998-03-17 2002-12-17 Acumed, Inc. Shoulder prosthesis

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808185A (en) * 1986-02-07 1989-02-28 Penenberg Brad L Tibial prosthesis, template and reamer
US4964865A (en) * 1988-02-03 1990-10-23 Intermedics Orthopedics, Inc. Glenoid prosthesis and method of use
FR2653992A1 (en) * 1989-11-09 1991-05-10 Berakassa Richard Total sliding knee prosthesis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808185A (en) * 1986-02-07 1989-02-28 Penenberg Brad L Tibial prosthesis, template and reamer
US4964865A (en) * 1988-02-03 1990-10-23 Intermedics Orthopedics, Inc. Glenoid prosthesis and method of use
FR2653992A1 (en) * 1989-11-09 1991-05-10 Berakassa Richard Total sliding knee prosthesis

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FR2776506A1 (en) * 1998-03-25 1999-10-01 Depuy France Shoulder prosthesis glenoid member and ancillary components
US6514287B2 (en) 1998-06-09 2003-02-04 Depuy Orthopaedics, Inc. Modular glenoid assembly having bearing insert
EP0963742A1 (en) * 1998-06-09 1999-12-15 Depuy Orthopaedics, Inc. Modular glenoid assembly
JP2000005205A (en) * 1998-06-09 2000-01-11 Depuy Orthopaedics Inc Module-type assembly for glenoid cavity
US6228119B1 (en) 1998-06-09 2001-05-08 Depuy Orthopaedics, Inc. Modular glenoid assembly
FR2780635A1 (en) * 1998-07-06 2000-01-07 Tornier Sa DEVICE FOR FIXING A PLASTIC INSERT
WO2000001326A1 (en) * 1998-07-06 2000-01-13 Tornier S.A. Device for fixing a plastic material insert
FR2825263A1 (en) * 2001-05-30 2002-12-06 Tecknimed Shoulder joint prosthesis has cap on humerus to engage socket with movement limiting stop surfaces
FR2843293A1 (en) * 2002-08-08 2004-02-13 Didier Capon Prosthetic implant for anatomical limb articulation comprises metallic base with fixings into limb and receives polyethylene insert by means of complementary fittings
EP1520561A1 (en) * 2003-10-01 2005-04-06 Biomet France Scapular glenoid cavity prosthesis
FR2860426A1 (en) * 2003-10-01 2005-04-08 Biomet Merck France GLENOID CAVITY PROSTHESIS OF SCAPULA
US9149362B2 (en) 2004-09-27 2015-10-06 DePuy Synthes Products, Inc. Instrument for preparing an implant support surface and associated method
US8556980B2 (en) 2004-09-27 2013-10-15 DePuy Synthes Products, LLC Glenoid augment and associated method
US8778028B2 (en) 2005-02-25 2014-07-15 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement
EP1858453A2 (en) * 2005-02-25 2007-11-28 Stephen B. Gunther Shoulder implant for glenoid replacement and methods of use thereof
US11696772B2 (en) 2005-02-25 2023-07-11 Shoulder Innovations, Inc. Methods for less invasive glenoid replacement
US10786265B2 (en) 2005-02-25 2020-09-29 Shoulder Innovations, Inc. Methods for less invasive glenoid replacement
US12089859B2 (en) 2005-02-25 2024-09-17 Shoulder Innovations, Inc. Methods for less invasive glenoid replacement
US11992415B2 (en) 2005-02-25 2024-05-28 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement
US8007538B2 (en) 2005-02-25 2011-08-30 Shoulder Innovations, Llc Shoulder implant for glenoid replacement
EP1858453A4 (en) * 2005-02-25 2010-07-21 Stephen B Gunther Shoulder implant for glenoid replacement and methods of use thereof
US8038719B2 (en) 2005-02-25 2011-10-18 Shoulder Innovations, Llc Methods for less invasive glenoid replacement
US10779952B2 (en) 2005-02-25 2020-09-22 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement
US11957595B2 (en) 2005-02-25 2024-04-16 Shoulder Innovations, Inc. Methods and devices for less invasive glenoid replacement
US9610166B2 (en) 2005-02-25 2017-04-04 Shoulder Innovations, Llc Methods and devices for less invasive glenoid replacement
US9693784B2 (en) 2005-02-25 2017-07-04 Shoulder Innovations, Llc Methods for less invasive glenoid replacement
US8241365B2 (en) 2008-12-23 2012-08-14 Depuy Products, Inc. Shoulder prosthesis with vault-filling structure having bone-sparing configuration
US11865012B2 (en) 2009-03-05 2024-01-09 Howmedica Osteonics Corp. Glenoid implant anchor post
US11344423B1 (en) 2009-03-05 2022-05-31 Howmedica Osteonics Corp. Glenoid implant anchor post
US8231683B2 (en) 2009-12-08 2012-07-31 Depuy Products, Inc. Shoulder prosthesis assembly having glenoid rim replacement structure
US8961611B2 (en) 2010-11-24 2015-02-24 DePuy Synthes Products, LLC Modular glenoid prosthesis
US9301848B2 (en) 2010-11-24 2016-04-05 DePuy Synthes Products, Inc. Modular glenoid prosthesis
US8480750B2 (en) 2010-11-24 2013-07-09 DePuy Synthes Products, LLC Modular glenoid prosthesis
US8465548B2 (en) 2010-11-24 2013-06-18 DePuy Synthes Products, LLC Modular glenoid prosthesis
US11464643B2 (en) 2011-02-13 2022-10-11 Encore Medical, L.P. Shoulder arthroplasty systems and configurations for components thereof
US12053389B2 (en) 2011-02-13 2024-08-06 Encore Medical, Lp Shoulder arthroplasty systems and configurations for components thereof
US10492926B1 (en) 2014-09-04 2019-12-03 Shoulder Innovations, Inc. Alignment guide for humeral or femoral stem replacement prostheses
US11065125B2 (en) 2017-04-14 2021-07-20 Shoulder Innovations, Inc. Total shoulder prosthesis having inset glenoid implant convertible from anatomic to reverse
US20230090753A1 (en) 2019-03-11 2023-03-23 Shoulder Innovations, Inc. Total reverse shoulder systems and methods
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