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
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FR
Grant status
Application
Patent type
Prior art keywords
glenoid
characterized
support
element
lc
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

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    • AHUMAN NECESSITIES
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    • A61FFILTERS 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
    • A61F2/00Filters 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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    • A61F2/00Filters 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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    • A61F2/4081Glenoid components, e.g. cups
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    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
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    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Threaded wires, pins or screws; Nuts therefor
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0058Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements soldered or brazed or welded
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0069Three-dimensional shapes cylindrical
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006Additional features; Implant or prostheses properties not otherwise provided for modular
    • A61F2250/0062Kits of prosthetic parts to be assembled in various combinations for forming different prostheses

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. <IMAGE>

Description

Support destiné à recevoir un oraane çslénoïdien. Support for receiving a çslénoïdien oraane.

L'invention concerne les implants orthopédiques, notamment les prothèses d'épaule. The invention relates to orthopedic implants, including 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 anatomic surface of the shoulder joint, using different types of prostheses.

Généralement, ces prothèses comprennent un élément huméral fixé dans le canal médullaire de l'humérus. Typically these prostheses comprise a humeral component fixed in the medullary canal of the humerus. 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. The humeral element comprises a head cooperating either directly in abutment with the glenoid cavity, or, as is generally the case with a glenoid element attached at the socket of the shoulder blade.

Ces prothèses permettent de traiter différents traumatismes de l'articulation de l'épaule. These prostheses can treat different injuries 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. More particularly, the invention relates to a prosthesis defined in the patent application FR 8913366 of which the applicant of this also holds. 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. This patent application defines a modular assembly of a shoulder prosthesis comprising a member adapted to be implanted in the humeral shaft and whose head is shaped for receiving, from an attached manner, exchangeable elements, whose forms and profiles are adapted to cooperate in particular with complementary elements adapted to be implanted in a portion 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. In particular, the humeral head cooperates with a support member arranged glenoid to be secured to a support configured to be implanted in the glenoid cavity of the shoulder. 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. This support is fixed in the glenoid cavity by means of screws arranged diverging in combination with such a center pin, so as to be in alignment or substantially in alignment respectively with the pillar of the scapula, coracoid the pillar and the pillar acromial. L'organe glénoïdien peut présenter différentes formes de réalisation. The glenoid body may have various 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. The problem to be solved by the invention is to ensure a perfect stability of the glenoid body providing special arrangements for attaching the bracket. A cet égard, différentes formes de réalisation peuvent être envisagées. In this regard, various embodiments can be considered.

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. In a first embodiment, the support has at its peripheral edge, a transverse tab formed protruding from its inner face to abut on the outer portion of the glenoid. 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. The tab has a series of holes for the passage of fixing screws in the plane of the glenoid cavity, said tab being in 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 pad fitted the support has, according to its generatrices, slits adapted to ensure its diametral expansion under the effect of the introduction of an impacted rod secured to the glenoid element.

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 part of its height, a threaded portion.

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 to comply with the neck of the glenoid, the present two diametrically opposed holes carrier offset by 90 "in relation to different screw housing, said holes being convergent to the screw engagement anterior and posterior.

Bien évidemment, ces différentes formes de réalisation peuvent être combinées. Of course, these various embodiments can be combined.

L'invention est exposée, ci-après plus en détail à l'aide des dessins annexés, dans lesquels: The invention is explained below in more detail in the accompanying drawings, wherein:
La figure 1 est une vue en perspective du support, selon une première forme de réalisation. 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 the 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, I'élément glenoid 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, I'élément glenoid 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, I'élément glenoid 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. It is recalled for a better understanding of the following description, a shoulder prosthesis comprising a humeral component (H) configured to be implanted in the diaphysis of the humerus. Cet élément (H) présente une tête (HI) apte à présenter différents agencements pour coopérer avec un organe glénoidien (G). This element (H) comprises a head (HI) adapted to present various arrangements for cooperation with a glenoid element (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. The member (G) of any known and suitable type, and may have different embodiments depending on the pathological condition to be treated, is fixed on a support (1) shaped for implantation in the glenoid cavity 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. This support (1), as described in patent application FR 8,913,366 is fixed in the glenoid cavity by means of divergent screws (V) so as to be in alignment or substantially in alignment respectively with the pillar of the scapula and the pillar coracoid. Ces vis (2) sont engagées dans deux trous taraudés diamétralement opposés (la) et (1 b) permettant l'orientation angulaire de manière divergente desdites vis. These screws (2) are engaged in two diametrically opposite threaded holes (la) and (1b) for the angular orientation of said screws divergently.

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 and coaxially has a cylindrical center pin (1c) 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 to be fixed in the neck of the glenoid in combination with central stud (1c) with the aim of ensuring a 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 drawing figures, various embodiments can be considered.

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. In the embodiment illustrated in Figure 1, the support (1) has, at its peripheral edge, a transverse lug (2) formed protruding from the inner side. 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. This lug (2) is oriented perpendicular to the generatrices of the centering stud (in), to abut on the outer part of the glenoid cavity, at its front region. 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). The tab (2) is made of malleable material to adapt to the anatomical shape of the glenoid cavity, and has a series of holes (2a) for the fixing screw passage (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). In the embodiment illustrated in Figure 3, the stud (lc) exhibits, along its generatrices, slits (here) capable of ensuring a diametral expansion under the effect of the introduction of an impacted rod integral with the body glenoid (G) (Figure 8). Le plot (lc) peut également présenter, sur une partie de sa hauteur, une portée filetée (1c2) (figure 5). The stud (Ic) 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. In the embodiment illustrated in Figures 3 and 4, the support (1) has converged housing (nest) (Ic) for the anterior and posterior screw engagement (4) including a spherical head so as to orient a convergently in the glenoid cavity. Ces dispositions permettent de respecter le col de la glène. These provisions allow to respect the neck of the glenoid. 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). Note that the housing (nest) and (Ic) are diametrically opposed and offset by 90 "relative to the housing (la) and (Ib) divergent screws (V).

Bien évidemment, ces différentes réalisations peuvent être combinées. Of course, these various embodiments can be combined. Notamment, le support (1) peut présenter l'une quelconque des combinaisons suivantes: In particular, the support (1) can have any of the following combinations:
- patte transversale (2) et plot (1 c) avec fentes (Ici), - transversal flap (2) and stud (1 c) with slots (ICI)
- patte transversale (2) et plot (1 c) avec portée filetée (1 c2), - transversal flap (2) and stud (1 c) with threaded portion (1 c2),
- patte transversale (2) et logements convergents pour l'engagement de vis antérieures et postérieures, - transversal flap (2) and converging to the housing front and rear screw engagement,
- plot (lc) avec fentes (Ici) et logements convergents pour - plot (lc) with slots (here) and converging to housing
I'engagement de vis antérieures et postérieures, The commitment of anterior and posterior screw,
- plot (tic) avec portée filetée (1c2) et logements convergents pour l'engagement de vis antérieures et postérieures. - plot (tic) with threaded surface (1c2) and convergent housing for the anterior and posterior screw engagement.

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) has preferably two diametrically opposite threaded holes (if) (zig) offset by 90 "relative to the holes (Ia) and (Ib) 5 and adapted to receive screws fixed in threaded head extending in a plane substantially parallel to the centering pin (in).

Ainsi réalisé, le support reçoit tout type d'organe glénoidien. Thus formed, the carrier receives any type of glenoid member.

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 a treatment of a glenohumeral osteoarthritis with destruction of the glenoid, the glenoid element (5) has a recess in form of a spherical cap, whose radius of curvature corresponds very approximately to that of a range that this spherical 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 rotator cuff tear in particular, the glenoid element (6) is constituted by a spherical male part adapted to cooperate with a recess in the form of a spherical cap, which has a cup formed at the head of the humeral component (Fig 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. Fixing the glenoid element (5) or (6) on the support (1), is performed for example by means of a threaded internal scope screwed to the periphery (1h) of said support, which is threaded to this effect.

On prévoit tout agencement interdisant un dévissage accidentel. any arrangement prohibiting accidental loosening is expected.

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

Claims (10)

    REVENDICATIONS
  1. -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- A stability of a glenoid element (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid cavity of the shoulder by means of screws arranged diametrically diverging combination with a hollow cylindrical center pin (lc) engaged in the neck of the glenoid, characterized in that it has at its peripheral edge, a transverse lug (2) formed protruding from the inner face to abut on the outer part of the glenoid.
  2. -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 lug (2) has a series of holes (2a) for the passage of fixing screws in the plane of the glenoid cavity, said tab being in malleable material.
  3. -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- A stability of a glenoid element (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid cavity of the shoulder by means of screws arranged diametrically diverging combination with a hollow cylindrical center pin (lc) engaged in the neck of the glenoid, characterized in that the stud (lc) exhibits, along its generatrices, slits (here) able to ensure its diametral expansion under the effect the introduction of an impacted rod secured to the glenoid element.
  4. -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- The apparatus of claim 3, characterized in that it has at its peripheral edge, a transverse lug (2) formed protruding from the inner face to abut on the outer portion of the glenoid.
  5. -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- A stability of a glenoid element (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid cavity of the shoulder by means of screws arranged diametrically diverging combination with a hollow cylindrical center pin (lc) engaged in the neck of the glenoid, characterized in that the stud (lc) has on a part of its height, a threaded surface (1c2).
  6. -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 Apparatus according to claim 5, characterized in that it has at its peripheral edge, a transverse lug (2) formed protruding from the inner face to abut on the outer portion of the glenoid.
  7. -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- A stability of a glenoid element (G) cooperating with a humeral head (H) and arranged to be secured to a support (1) fixed in the glenoid cavity of the shoulder by means of screws arranged diametrically diverging combination with a cylindrical center pin and recess (lc) engaged in the neck of the glenoid, characterized in that it has two diametrically opposed holes (if) (in), offset by 90 "in relation to different screw housing, said holes being convergent to the anterior and posterior screw engagement.
  8. -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- The apparatus of claim 7, characterized in that it has at its peripheral edge, a transverse lug (2) formed protruding from the inner face to abut on the outer portion of the glenoid.
  9. -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- The apparatus of Claim 7, characterized in that the stud (tic) has, according to its generatrices, slits (here) able to ensure it a diametral expansion under the effect of the introduction of a rod secured impacted of the glenoid element.
  10. -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- The apparatus of Claim 7, characterized in that the stud (tic) has on a part of its height a threaded surface (1c2).
FR9305790A 1993-05-06 1993-05-06 Support intended to receive a glenoid element. Expired - Lifetime FR2704747B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9305790A FR2704747B1 (en) 1993-05-06 1993-05-06 Support intended to receive a glenoid element.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9305790A FR2704747B1 (en) 1993-05-06 1993-05-06 Support intended to receive a glenoid element.

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

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Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6066175A (en) * 1993-02-16 2000-05-23 Henderson; Fraser C. Fusion stabilization chamber
FR2795304A1 (en) * 1999-06-28 2000-12-29 Aston Medical Ltd Together prosthetic articulation of the shoulder
FR2802799A1 (en) * 1999-12-23 2001-06-29 Depuy France Shoulder prosthesis assembly has glenoid sphere made with guide to facilitate correct assembly
EP1136046A2 (en) * 2000-03-17 2001-09-26 Depuy Orthopaedics, Inc. Cementless glenoid component
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