FR2704747A1 - Support intended to receive a glenoid element - Google Patents

Support intended to receive a glenoid element Download PDF

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Publication number
FR2704747A1
FR2704747A1 FR9305790A FR9305790A FR2704747A1 FR 2704747 A1 FR2704747 A1 FR 2704747A1 FR 9305790 A FR9305790 A FR 9305790A FR 9305790 A FR9305790 A FR 9305790A FR 2704747 A1 FR2704747 A1 FR 2704747A1
Authority
FR
France
Prior art keywords
glenoid
support
stud
organ
screws
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.)
Granted
Application number
FR9305790A
Other languages
French (fr)
Other versions
FR2704747B1 (en
Inventor
Capon Didier
Delfosse Jacques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medinov SA
Original Assignee
Medinov SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Medinov SA filed Critical Medinov SA
Priority to FR9305790A priority Critical patent/FR2704747B1/en
Publication of FR2704747A1 publication Critical patent/FR2704747A1/en
Application granted granted Critical
Publication of FR2704747B1 publication Critical patent/FR2704747B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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
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    • 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
    • A61F2002/4085—Glenoid components, e.g. cups having a convex shape, e.g. hemispherical heads
    • 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
    • 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
    • A61F2220/0058—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
    • 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
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0069—Three-dimensional shapes cylindrical
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
    • A61F2250/0062—Kits of prosthetic parts to be assembled in various combinations for forming different prostheses

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

The support intended to receive a glenoid element cooperating with a humeral head, the said support (1) being fixed in the glenoid cavity of the shoulder by means of diametrically arranged divergent screws in combination with a cylindrical and hollow central stud (1c) engaged in the neck of the glenoid cavity is noteworthy in that it has, at its peripheral edge, a transverse tab (2) formed as a projection from its internal face in order to bear on the external part of the glenoid cavity.

Description

Support destiné à recevoir un oraane çslénoïdien.  Support intended to receive an çslénoïdien oraane.

L'invention concerne les implants orthopédiques, notamment les prothèses d'épaule. The invention relates to orthopedic implants, in particular shoulder prostheses.

II est connu, pour reproduire la surface anatomique de l'articulation de l'épaule, d'utiliser différents types de prothèses. It is known, to reproduce the anatomical surface of the shoulder joint, to use different types of prostheses.

Généralement, ces prothèses comprennent un élément huméral fixé dans le canal médullaire de l'humérus. Cet élément huméral présente une tête coopérant, soit directement en appui avec la glène, soit, ce qui est généralement le cas, avec un élément glénoïdien fixé au niveau de la glène de l'homoplate.Generally, these prostheses include a humeral element fixed in the medullary canal of the humerus. This humeral element has a cooperating head, either directly in support with the glenoid, or, which is generally the case, with a glenoid element fixed at the glenoid of the homoplate.

Ces prothèses permettent de traiter différents traumatismes de l'articulation de l'épaule. These prostheses are used to treat various traumas of the shoulder joint.

Plus particulièrement, I'invention concerne une prothèse définie dans la demande de brevet FR 8913366 dont le demandeur de la présente est également titulaire. Cette demande de brevet définit un ensemble modulaire d'une prothèse d'épaule, comprenant un élément apte à être implanté dans le fût huméral et dont la tête est conformée pour recevoir, d'une manière rapportée, des éléments interchangeables, dont les formes et profils sont adaptés pour coopérer notamment avec des éléments complémentaires aptes à être implantés dans une partie de l'épaule, en fonction de la nature de la pathologie à traiter. More particularly, the invention relates to a prosthesis defined in patent application FR 8913366 of which the applicant here is also the holder. This patent application defines a modular assembly of a shoulder prosthesis, comprising an element capable of being implanted in the humeral barrel and the head of which is shaped to receive, in a reported manner, interchangeable elements, the shapes and profiles are adapted to cooperate in particular with complementary elements capable of being implanted in a part of the shoulder, depending on the nature of the pathology to be treated.

Notamment, la tête humérale coopère en appui avec un organe glénoidien agencé pour être solidaire d'un support conformé pour être implanté au niveau de la glène de l'épaule. Ce support est fixé dans la glène au moyen de vis divergentes disposées en combinaison avec notamment un plot central, de manière à être en alignement ou sensiblement en alignement, respectivement avec le pilier de l'omoplate, le pilier coracoïdien et le pilier acromial. L'organe glénoïdien peut présenter différentes formes de réalisation. In particular, the humeral head cooperates in support with a glenoid organ arranged to be secured to a support shaped to be implanted at the glenoid of the shoulder. This support is fixed in the glenoid by means of divergent screws arranged in combination with in particular a central stud, so as to be in alignment or substantially in alignment, respectively with the pillar of the scapula, the coracoid pillar and the acromial pillar. The glenoid organ can have different embodiments.

Le problème que se propose de résoudre l'invention est d'assurer une parfaite stabilité de l'organe glénoidien en prévoyant des agencements spéciaux pour la fixation du support. A cet égard, différentes formes de réalisation peuvent être envisagées. The problem which the invention proposes to solve is to ensure perfect stability of the glenoid organ by providing special arrangements for fixing the support. In this regard, various embodiments can be envisaged.

Dans une première forme de réalisation, le support présente au niveau de son bord périphérique, une patte transversale formée en débordement de sa face interne pour venir en appui sur la partie externe de la glène. La patte présente une série de trous pour le passage de vis de fixation, dans le plan de la glène, ladite patte étant en matériau maléable. In a first embodiment, the support has at its peripheral edge, a transverse tab formed in overflow from its internal face to come to bear on the external part of the glenoid. The tab has a series of holes for the passage of fixing screws, in the plane of the glenoid, said tab being of malleable material.

Dans une autre forme de réalisation, le plot équipant le support présente, selon ses génératrices, des fentes aptes à lui assurer une expansion diamétrale sous l'effet de l'introduction d'une tige impactée solidaire de l'organe glénoidien.  In another embodiment, the stud equipping the support has, according to its generatrices, slots capable of providing it with diametrical expansion under the effect of the introduction of an impacted rod secured to the glenoid organ.

Dans une autre forme de réalisation, le plot présente sur une partie de sa hauteur, une portée filetée. In another embodiment, the stud has over a portion of its height, a threaded surface.

Dans une autre forme de réalisation et pour résoudre le problème posé de respecter le col de la glène, le support présente deux trous diamétralement opposés, décalés de 90" par rapport aux logements des vis divergentes, lesdits trous étant convergents pour l'engagement de vis antérieures et postérieures.  In another embodiment and to solve the problem of respecting the neck of the glenoid, the support has two diametrically opposite holes, offset by 90 "relative to the housings of the divergent screws, said holes being convergent for the engagement of screws anterior and posterior.

Bien évidemment, ces différentes formes de réalisation peuvent être combinées. Obviously, these different embodiments can be combined.

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 du support, selon une première forme de réalisation.The invention is set out below in more detail using the appended drawings, in which:
Figure 1 is a perspective view of the support, according to a first embodiment.

La figure 2 est une vue en coupe considérée selon la ligne 2.2 de la figure 1. Figure 2 is a sectional view taken along line 2.2 of Figure 1.

La figure 3 est une vue en perspective d'une autre forme de réalisation du support. Figure 3 is a perspective view of another embodiment of the support.

La figure 4 est une vue en coupe considérée selon la ligne 4.4 de la figure 3. Figure 4 is a sectional view taken along line 4.4 of Figure 3.

La figure 5 est une vue en perspective d'une autre forme de réalisation du support. Figure 5 is a perspective view of another embodiment of the support.

La figure 6 est une vue en coupe considérée selon la ligne 6.6 de la figure 5. Figure 6 is a sectional view taken along line 6.6 of Figure 5.

La figure 7 est une vue en coupe montrant la fixation du support selon la forme de réalisation de la figure 1, I'élément glénoïdien étant adapté sur ledit support. Figure 7 is a sectional view showing the attachment of the support according to the embodiment of Figure 1, the glenoid element being adapted on said support.

La figure 8 est une vue en coupe montrant la fixation du support selon la forme de réalisation de la figure 3, I'élément glénoïdien étant adapté sur ledit support. Figure 8 is a sectional view showing the attachment of the support according to the embodiment of Figure 3, the glenoid element being adapted on said support.

La figure 9 est une vue en coupe montrant la fixation du support selon la forme de réalisation de la figure 5, I'élément glénoïdien étant adapté sur ledit support.  Figure 9 is a sectional view showing the attachment of the support according to the embodiment of Figure 5, the glenoid element being adapted on said support.

On rappelle pour une meilleure compréhension de la suite de la description, qu'une prothèse d'épaule comprend un élément huméral (H) conformé pour être implanté dans la diaphyse de l'humérus. Cet élément (H) présente une tête (HI) apte à présenter différents agencements pour coopérer avec un organe glénoidien (G). L'organe (G), de tout type connu et approprié, et susceptible de présenter différentes formes de réalisation en fonction du cas pathologique à traiter, est fixé sur un support (1) conformé pour être implanté au niveau de la glène de l'épaule. It will be recalled for a better understanding of the following description, that a shoulder prosthesis comprises a humeral element (H) shaped to be implanted in the diaphysis of the humerus. This element (H) has a head (HI) capable of having different arrangements for cooperating with a glenoid organ (G). The organ (G), of any known and appropriate type, and capable of presenting different embodiments according to the pathological case to be treated, is fixed on a support (1) shaped to be implanted at the level of the glenoid of the shoulder.

Ce support (1), comme indiqué dans la demande de brevet FR 8913366 est fixé dans la glène au moyen de vis divergentes (V) de manière à être en alignement ou sensiblement en alignement, respectivement avec le pilier de l'omoplate et le pilier coracoidien. Ces vis (2) sont engagées dans deux trous taraudés diamétralement opposés (la) et (1 b) permettant l'orientation angulaire de manière divergente desdites vis. This support (1), as indicated in patent application FR 8913366 is fixed in the glenoid by means of divergent screws (V) so as to be in alignment or substantially in alignment, respectively with the scapula abutment and the abutment coracoid. These screws (2) are engaged in two diametrically opposite tapped holes (la) and (1b) allowing the angular orientation of said screws in a divergent manner.

Avantageusement, le support (1) est de forme générale circulaire et présente coaxialement un plot central cylindrique (1 c) destiné à être engagé dans un logement complémentaire formé dans la glène. Advantageously, the support (1) is generally circular in shape and coaxially has a cylindrical central stud (1 c) intended to be engaged in a complementary housing formed in the glenoid.

Selon l'invention, le support (1) présente différents agencements pour être fixé dans le col de la glène en combinaison avec le plot central (1c) en ayant pour objectif d'assurer une parfaite stabilité de l'élément glénoïdien (G). According to the invention, the support (1) has different arrangements for being fixed in the neck of the glenoid in combination with the central stud (1c) with the aim of ensuring perfect stability of the glenoid element (G).

Dans ce but, comme le montrent les figures des dessins, différentes formes de réalisation peuvent être envisagées. For this purpose, as shown in the figures of the drawings, different embodiments can be envisaged.

Dans la forme de réalisation illustrée figure 1, le support (1) présente, au niveau de son bord périphérique, une patte transversale (2) formée en débordement de sa face interne. Cette patte (2) est orientée perpendiculairement aux génératrices du plot de centrage (in), pour venir en appui sur la partie externe de la glène, au niveau de sa zone antérieure. La patte (2) est réalisée en matériau maléable pour s'adapter à la forme anatomique de la glène, et présente une série de trous (2a) pour le passage de vis de fixation (3), dans le plan de la glène (figure 2). In the embodiment illustrated in FIG. 1, the support (1) has, at its peripheral edge, a transverse tab (2) formed in overflow from its internal face. This tab (2) is oriented perpendicular to the generatrices of the centering stud (in), to come to bear on the external part of the glenoid, at its anterior zone. The tab (2) is made of malleable material to adapt to the anatomical shape of the glenoid, and has a series of holes (2a) for the passage of fixing screws (3), in the plane of the glenoid (figure 2).

Dans la forme de réalisation illustrée figure 3, le plot (lc) présente, selon ses génératrices, des fentes (ici) aptes à assurer une expansion diamétrale sous l'effet de l'introduction d'une tige impactée, solidaire de l'organe glénoidien (G) (figure 8). Le plot (lc) peut également présenter, sur une partie de sa hauteur, une portée filetée (1c2) (figure 5). In the embodiment illustrated in FIG. 3, the stud (lc) has, according to its generatrices, slots (here) capable of ensuring diametrical expansion under the effect of the introduction of an impacted rod, integral with the member glenoid (G) (Figure 8). The stud (lc) can also have, over part of its height, a threaded surface (1c2) (Figure 5).

Dans la forme de réalisation illustrée figures 3 et 4, le support (1) présente des logements convergents (nid) (le) pour l'engagement de vis antérieures et postérieures (4) notamment à tête sphérique de façon à les orienter d'une manière convergente dans la glène. Ces dispositions permettent de respecter le col de la glène. A noter que les logements (nid) et (le) sont diamétralement opposés et décalés de 90" par rapport aux logements (la) et (lob) des vis divergentes (V). In the embodiment illustrated in FIGS. 3 and 4, the support (1) has convergent housings (nest) (le) for the engagement of anterior and posterior screws (4) in particular with a spherical head so as to orient them with a convergently in the glenoid. These provisions make it possible to respect the neck of the glenoid. Note that the housings (nest) and (le) are diametrically opposite and offset by 90 "relative to the housings (la) and (lob) of the divergent screws (V).

Bien évidemment, ces différentes réalisations peuvent être combinées. Notamment, le support (1) peut présenter l'une quelconque des combinaisons suivantes:
- patte transversale (2) et plot (1 c) avec fentes (Ici),
- patte transversale (2) et plot (1 c) avec portée filetée (1 c2),
- patte transversale (2) et logements convergents pour l'engagement de vis antérieures et postérieures,
- plot (lc) avec fentes (Ici) et logements convergents pour
I'engagement de vis antérieures et postérieures,
- plot (tic) avec portée filetée (1c2) et logements convergents pour l'engagement de vis antérieures et postérieures.Obviously, these different embodiments can be combined. In particular, the support (1) can have any of the following combinations:
- transverse tab (2) and stud (1 c) with slots (Here),
- transverse lug (2) and stud (1 c) with threaded seat (1 c2),
- transverse tab (2) and converging housings for the engagement of anterior and posterior screws,
- stud (lc) with slots (Here) and converging housings for
The engagement of anterior and posterior screws,
- stud (tic) with threaded seat (1c2) and converging housings for the engagement of anterior and posterior screws.

Quelle que soit la forme de réalisation, le support (1) présente avantageusement, deux autres trous taraudés diamétralement opposés (if) (zig) décalés de 90" par rapport aux trous (la) et (lob)5 et aptes à recevoir des vis de fixation à tête filetée, s'étendant dans un plan sensiblement parallèle au plot de centrage (in).  Whatever the embodiment, the support (1) advantageously has two other diametrically opposite tapped holes (if) (zig) offset by 90 "relative to the holes (la) and (lob) 5 and suitable for receiving screws of fixing with threaded head, extending in a plane substantially parallel to the centering stud (in).

Ainsi réalisé, le support reçoit tout type d'organe glénoidien.  Thus produced, the support receives any type of glenoid organ.

Par exemple, dans le cas d'un traitement d'une omarthrose avec destruction de la glène, L'organe glénoïdien (5) présente un évidement en forme de calotte sphérique, dont le rayon de courbure correspond très sensiblement à celui d'une portée sphérique que présente la tête humérale (figures 7 et 9).For example, in the case of treatment of an osteoarthritis with destruction of the glenoid, the glenoid organ (5) has a recess in the form of a spherical cap, the radius of curvature of which corresponds very substantially to that of a bearing spherical as presented by the humeral head (Figures 7 and 9).

Dans le cas d'une rupture de coiffe notamment, L'organe glénoidien (6) est constitué par une pièce mâle sphérique apte à coopérer avec un évidement en forme de calotte sphérique, que présente une cupule formée au niveau de la tête de l'élément huméral (figure 8). In the case of a cap rupture in particular, the glenoid organ (6) is constituted by a spherical male part capable of cooperating with a recess in the form of a spherical cap, which has a cup formed at the head of the humeral element (figure 8).

La fixation de l'organe glénoidien (5) ou (6) sur le support (1), s'effectue par exemple, au moyen d'une portée interne taraudée vissée sur la périphérie (1h) dudit support, qui est filetée à cet effet. The glenoid organ (5) or (6) is fixed to the support (1), for example, by means of a tapped internal bearing screwed onto the periphery (1h) of said support, which is threaded to this effect.

On prévoit tout agencement interdisant un dévissage accidentel. Any arrangement is made to prevent accidental unscrewing.

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

Claims (10)

REVENDICATIONS -1- Dispositif de stabilité d'un organe glénoïdien (G) coopérant avec une tête humérale (H) et agencé pour être solidaire d'un support (1) fixé dans la glène de l'épaule au moyen de vis divergentes disposées diamétralement en combinaison avec un plot central cylindrique et creux (lc) engagé dans le col de la glène, caractérisé en ce qu'il présente au niveau de son bord périphérique, une patte transversale (2) formée en débordement de sa face interne pour venir en appui sur la partie externe de la glène.-1- Stability device of a glenoid organ (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid of the shoulder by means of divergent screws arranged diametrically in combination with a cylindrical and hollow central stud (lc) engaged in the neck of the glenoid, characterized in that it has at its peripheral edge, a transverse tab (2) formed in overflow from its internal face to come to bear on the outer part of the glenoid. -2- Dispositif selon la revendication 1, caractérisé en ce que la patte (2) présente une série de trous (2a) pour le passage de vis de fixation, dans le plan de la glène, ladite patte étant en matériau maléable.-2- Device according to claim 1, characterized in that the tab (2) has a series of holes (2a) for the passage of fixing screws, in the plane of the glenoid, said tab being made of malleable material. -3- Dispositif de stabilité d'un organe glénoïdien (G) coopérant avec une tête humérale (H) et agencé pour être solidaire d'un support (1) fixé dans la glène de l'épaule au moyen de vis divergentes disposées diamétralement en combinaison avec un plot central cylindrique et creux (lc) engagé dans le col de la glène, caractérisé en ce que le plot (lc) présente, selon ses génératrices, des fentes (ici) aptes à lui assurer une expansion diamétrale sous l'effet de l'introduction d'une tige impactée solidaire de l'organe glénoïdien.-3- Stability device of a glenoid organ (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid of the shoulder by means of divergent screws arranged diametrically in combination with a cylindrical and hollow central stud (lc) engaged in the neck of the glenoid, characterized in that the stud (lc) has, according to its generatrices, slots (here) capable of ensuring a diametral expansion under the effect the introduction of an impacted rod secured to the glenoid organ. -4- Dispositif selon la revendication 3, caractérisé en ce qu'il présente au niveau de son bord périphérique, une patte transversale (2) formée en débordement de sa face interne pour venir en appui sur la partie externe de la glène.-4- Device according to claim 3, characterized in that it has at its peripheral edge, a transverse tab (2) formed in overflow from its internal face to come to bear on the external part of the glenoid. -5- Dispositif de stabilité d'un organe glénoidien (G) coopérant avec une tête humérale (H) et agencé pour être solidaire d'un support (1) fixé dans la glène de l'épaule au moyen de vis divergentes disposées diamétralement en combinaison avec un plot central cylindrique et creux (lc) engagé dans le col de la glène, caractérisé en ce que le plot (lc) présente sur une partie de sa hauteur, une portée filetée (1c2).-5- Stability device of a glenoid organ (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid of the shoulder by means of divergent screws arranged diametrically in combination with a cylindrical and hollow central stud (lc) engaged in the neck of the glenoid, characterized in that the stud (lc) has on a part of its height, a threaded bearing (1c2). -6- Dispositif selon la revendication 5, caractérisé en ce qu'il présente au niveau de son bord périphérique, une patte transversale (2) formée en débordement de sa face interne pour venir en appui sur la partie externe de la glène.-6- Device according to claim 5, characterized in that it has at its peripheral edge, a transverse tab (2) formed in overflow from its internal face to come to bear on the external part of the glenoid. -7- Dispositif de stabilité d'un organe glénoidien (G) coopérant avec une tête humérale (H) et agencé pour être solidaire d'un support (1) fixé dans la glène de l'épaule au moyen de vis divergentes disposées diamétralement en combinaison avec un plot central cylindrique et creux (lc) engagé dans le col de la glène, caractérisé en ce qu'il présente deux trous diamétralement opposés (if) (in), décalés de 90" par rapport aux logements des vis divergentes, lesdits trous étant convergents pour l'engagement de vis antérieures et postérieures.-7- Stability device of a glenoid organ (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid of the shoulder by means of divergent screws arranged diametrically in combination with a cylindrical and hollow central stud (lc) engaged in the neck of the glenoid, characterized in that it has two diametrically opposite holes (if) (in), offset by 90 "relative to the housings of the divergent screws, said holes being convergent for the engagement of anterior and posterior screws. -8- Dispositif selon la revendication 7, caractérisé en ce qu'il présente au niveau de son bord périphérique, une patte transversale (2) formée en débordement de sa face interne pour venir en appui sur la partie externe de la glène.-8- Device according to claim 7, characterized in that it has at its peripheral edge, a transverse tab (2) formed in overflow from its internal face to come to bear on the external part of the glenoid. -9- Dispositif selon la revendication 7, caractérisé en ce que le plot (tic) présente, selon ses génératrices, des fentes (ici) aptes à lui assurer une expansion diamétrale sous l'effet de l'introduction d'une tige impactée solidaire de l'organe glénoïdien. -9- Device according to claim 7, characterized in that the stud (tic) has, according to its generatrices, slots (here) capable of ensuring a diametrical expansion under the effect of the introduction of an impacted rod integral of the glenoid organ. -10- Dispositif selon la revendication 7, caractérisé en ce que le plot (tic) présente sur une partie de sa hauteur une portée filetée (1c2). -10- Device according to claim 7, characterized in that the stud (tic) has over a portion of its height a threaded surface (1c2).
FR9305790A 1993-05-06 1993-05-06 Support intended to receive a glenoid organ. Expired - Lifetime FR2704747B1 (en)

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FR9305790A FR2704747B1 (en) 1993-05-06 1993-05-06 Support intended to receive a glenoid organ.

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FR9305790A FR2704747B1 (en) 1993-05-06 1993-05-06 Support intended to receive a glenoid organ.

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FR2704747A1 true FR2704747A1 (en) 1994-11-10
FR2704747B1 FR2704747B1 (en) 1995-07-21

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EP1488764A1 (en) * 2003-04-30 2004-12-22 LIMA Lto SpA Inverse prosthesis for the shoulder joint
EP1510190A1 (en) * 2003-08-25 2005-03-02 Tornier Glenoid component of a shoulder prosthesis and total shoulder prosthesis comprising such a component
EP1520561A1 (en) * 2003-10-01 2005-04-06 Biomet France Scapular glenoid cavity prosthesis
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EP1762191A2 (en) 2005-09-13 2007-03-14 Biomet Manufacturing Corp. Modular humeral head resurfacing system
EP1782765A1 (en) * 2005-09-23 2007-05-09 Biomet Manufacturing Corp. Shoulder implant assembly
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US8465548B2 (en) 2010-11-24 2013-06-18 DePuy Synthes Products, LLC Modular glenoid prosthesis
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