FR2860424A1 - Reconstruction acetabular cup, has elongated legs fixed on cup set back from opening plane of cylindrical part, and bracket and/or secondary legs fixed on cylindrical part in order to level opening plane of cylindrical part - Google Patents

Reconstruction acetabular cup, has elongated legs fixed on cup set back from opening plane of cylindrical part, and bracket and/or secondary legs fixed on cylindrical part in order to level opening plane of cylindrical part Download PDF

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Publication number
FR2860424A1
FR2860424A1 FR0311627A FR0311627A FR2860424A1 FR 2860424 A1 FR2860424 A1 FR 2860424A1 FR 0311627 A FR0311627 A FR 0311627A FR 0311627 A FR0311627 A FR 0311627A FR 2860424 A1 FR2860424 A1 FR 2860424A1
Authority
FR
France
Prior art keywords
cup
cylindrical part
opening
plane
order
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
FR0311627A
Other languages
French (fr)
Other versions
FR2860424B1 (en
Inventor
Elisabeth Delanoue
Michel Henri Fessy
Emmanuel Baulot
Jean Paul Cisterne
Frederic Farizon
Richaud Eric Barbe
Bernard Lacour
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.)
Societe dEtudes de Recherches et de Fabrication SAS SERF
Original Assignee
Societe dEtudes de Recherches et de Fabrication SAS SERF
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 Societe dEtudes de Recherches et de Fabrication SAS SERF filed Critical Societe dEtudes de Recherches et de Fabrication SAS SERF
Priority to FR0311627A priority Critical patent/FR2860424B1/en
Publication of FR2860424A1 publication Critical patent/FR2860424A1/en
Application granted granted Critical
Publication of FR2860424B1 publication Critical patent/FR2860424B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

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    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/34—Acetabular 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
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    • A—HUMAN NECESSITIES
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    • 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
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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
    • 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
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0026—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in surface structures
    • 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
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0097—Visible markings, e.g. indicia
    • 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

The cup has a hemispherical part (7) maintained by a short cylindrical part (8) that delimits an opening for introduction of an articulation part of a prosthesis head. Two elongated legs (10) are fixed on the cup set back from an opening plane of the cylindrical part. A bracket (12) and/or secondary legs are fixed on the cylindrical part in order to level the opening plane of the cylindrical part.

Description

La présente invention a pour objet une cupule métallique de reconstructionThe present invention relates to a metallic cup of reconstruction

pour prothèse de hanche.for hip prosthesis.

Lorsque la cavité cotyloïdienne d'un bassin est fortement détériorée, il n'est pas possible de l'équiper directement d'une cupule en polyéthylène servant à l'articulation de la tête de la prothèse de hanche. Il est donc nécessaire de placer dans la cavité cotyloïdienne une cupule métallique de soutien ou cupule de reconstruction. Compte tenu de la forte détérioration et de l'état osseux déficient du patient, il convient de fixer cette cupule de soutien dans des zones dans lesquelles l'os est sain. A cet effet, une cupule de reconstruction comprend des pattes allongées, des plots d'ancrage et/ou des crochets.  When the acetabulum of a pelvis is badly damaged, it is not possible to directly equip it with a polyethylene cup used to articulate the head of the hip prosthesis. It is therefore necessary to place in the acetabular cavity a metal support cup or reconstruction cup. Given the strong deterioration and poor bone status of the patient, this support cup should be fixed in areas where the bone is healthy. For this purpose, a reconstruction cup comprises elongate tabs, anchor pads and / or hooks.

La cupule peut également comporter une paire de pattes secondaires inclinées par rapport aux pattes allongées.  The cup may also include a pair of secondary tabs inclined relative to the elongated tabs.

De façon connue, les axes des pattes et des plots passent par le centre de la sphère de la cupule, ce qui permet de réaliser indifféremment un montage à droite ou un montage à gauche, sans nécessiter de cupules spécifiques pour la droite et pour la gauche.  In known manner, the axes of the legs and studs pass through the center of the sphere of the cup, which allows to achieve indifferently a mounting on the right or a mounting on the left, without requiring specific cups for the right and left .

La cupule selon l'invention est du type comprenant une partie hémisphérique prolongée par une partie cylindrique de faible hauteur, dans laquelle débouche l'ouverture d'introduction de la pièce destinée à recevoir la tête de la prothèse.  The cup according to the invention is of the type comprising a hemispherical portion extended by a cylindrical portion of low height, into which opens the opening for introducing the part intended to receive the head of the prosthesis.

Dans les cupules métalliques connues, toutes les pattes et/ou crochet sont fixées sur la cupule au niveau du plan extérieur de la partie cylindrique ou face de la cupule. Cette solution présente l'inconvénient que l'angle formé par le plan de la cupule avec l'horizontal est important. Il en résulte des possibilités de luxation de la prothèse. Pour remédier à ces inconvénients, il est connu de procéder à une certaine torsion des pattes allongées qui sont situées au dessus de la cavité cotyloïdienne, pour réduire l'angle formé par le plan d'ouverture de la cupule avec l'horizontal.  In known metal cups, all the tabs and / or hook are fixed on the cup at the outer plane of the cylindrical portion or face of the cup. This solution has the disadvantage that the angle formed by the plane of the cup with the horizontal is important. This results in possibilities of dislocation of the prosthesis. To overcome these drawbacks, it is known to make some twisting of the elongate tabs which are located above the acetabular cavity, to reduce the angle formed by the opening plane of the cup with the horizontal.

Le problème technique à la base de l'invention est donc la réalisation d'une cupule du type précité qui permet de réduire l'angle que forme le plan d'ouverture de la cupule avec l'horizontal.  The technical problem underlying the invention is therefore the realization of a cup of the aforementioned type which reduces the angle formed by the opening plane of the cup with the horizontal.

A cet effet, la cupule qu'elle concerne, comportant une partie sensiblement hémisphérique prolongée par une courte partie cylindrique délimitant l'ouverture pour l'introduction de la pièce d'articulation de la tête de la prothèse, cette cupule étant équipée de deux pattes allongées convergeant au milieu de la cupule, et destinées à réaliser une fixation sur le bassin, au-dessus de la cavité cotyloïdienne, ainsi qu'un crochet et/ou une paire de pattes secondaires et/ou des pions d'ancrage, est caractérisée en ce que les pattes allongées sont fixées sur la cupule en retrait du plan de l'ouverture de la partie cylindrique, tandis que le crochet et/ou les pattes secondaires sont fixées sur la partie cylindrique de la cupule de façon à sensiblement affleurer le plan de l'ouverture de la partie cylindrique.  For this purpose, the cup that it concerns, comprising a substantially hemispherical portion extended by a short cylindrical portion defining the opening for the introduction of the articulation piece of the head of the prosthesis, this cup being equipped with two legs elongate converging in the middle of the cup, and intended to achieve fixation on the pelvis, above the acetabulum, and a hook and / or a pair of secondary legs and / or anchor pins, is characterized in that the elongate tabs are fixed on the cup recessed from the plane of the opening of the cylindrical part, while the hook and / or the secondary tabs are fixed on the cylindrical part of the cup so as to be substantially flush with the plane of the opening of the cylindrical part.

Cet agencement permet, sans avoir à recourir à une torsion des pattes allongées, de positionner la cupule métallique de telle façon que son plan d'ouverture forme avec l'horizontal un angle inférieur à l'angle formé dans le cas traditionnel. Il en résulte un meilleur appui de la tête de prothèse dans la cupule en polyéthylène destinée à être placée dans la cupule de reconstruction, et par suite une limitation des risques de luxation.  This arrangement allows, without having to resort to a twist of the elongated tabs, to position the metal cup so that its opening plane forms with the horizontal angle less than the angle formed in the traditional case. This results in a better support of the prosthesis head in the polyethylene cup intended to be placed in the reconstruction cup, and therefore a limitation of the risk of dislocation.

Suivant une caractéristique de l'invention, les pattes allongées sont 15 fixées sensiblement au niveau du plan équatorial de la partie hémisphérique de la cupule.  According to a feature of the invention, the elongate tabs are fixed substantially at the equatorial plane of the hemispherical portion of the cup.

Ainsi, la distance entre le point de fixation de chaque patte allongée et le plan de l'ouverture de la partie cylindrique est de l'ordre de 3 mm. Avantageusement, le bord délimitant l'ouverture de la cupule comporte un trou formant repère, situé sur l'axe de symétrie des deux pattes allongées.  Thus, the distance between the attachment point of each elongated tab and the plane of the opening of the cylindrical portion is of the order of 3 mm. Advantageously, the edge delimiting the opening of the cup has a hole forming a mark, located on the axis of symmetry of the two elongate tabs.

Ce trou permet au chirurgien de mieux repérer le positionnement angulaire du cotyle à l'intérieur du bassin.  This hole allows the surgeon to better locate the angular positioning of the acetabulum inside the pelvis.

Suivant une autre caractéristique de l'invention, l'angle que forment 25 deux pattes allongées est de l'ordre de 60 pour un diamètre de cupule inférieur ou égal à 57 mm et est inférieur à 60 pour des diamètres de cupule supérieurs à 57 mm.  According to another characteristic of the invention, the angle formed by two elongate tabs is of the order of 60 for a cup diameter of less than or equal to 57 mm and less than 60 for cup diameters greater than 57 mm. .

Avantageusement, l'angle que forment deux pattes allongées est de l'ordre de 52,4 pour des diamètres de cupule compris entre 59 et 65 mm et de l'ordre de 48,84 pour des diamètres de cupule compris entre 67 et 73 mm.  Advantageously, the angle formed by two elongate tabs is of the order of 52.4 for cup diameters of between 59 and 65 mm and of the order of 48.84 for cup diameters of between 67 and 73 mm. .

Cette diminution de l'angle que forment deux pattes allongées lorsque le diamètre de la cupule augmente permet, quel que soit le diamètre de la cupule, de réaliser une fixation des pattes à peu près dans la même zone du bassin, qui correspond à une zone dans laquelle l'os est solide.  This reduction in the angle formed by two elongate legs when the diameter of the cup increases allows, regardless of the diameter of the cup, to achieve a fixation of the legs approximately in the same area of the basin, which corresponds to a zone in which the bone is solid.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé, représentant, à titre d'exemples non limitatifs, deux formes d'exécution de cette cupule métallique.  In any case, the invention will be better understood with the aid of the description which follows, with reference to the appended diagrammatic drawing, representing, by way of nonlimiting examples, two embodiments of this metal cup.

Figure 1 est une vue en perspective éclatée d'une prothèse de hanche comportant une première cupule selon l'invention.  Figure 1 is an exploded perspective view of a hip prosthesis having a first cup according to the invention.

Figure 2 est une vue de cette prothèse positionnée par rapport au bassin.  Figure 2 is a view of this prosthesis positioned relative to the basin.

Figures 3 à 5 sont des vues respectivement en perspective, en élévation, et de côté de la cupule de figures 1 et 2.  Figures 3 to 5 are views respectively in perspective, in elevation, and from the side of the cup of Figures 1 and 2.

Figures 6 et 7 sont deux vues très schématiques en coupe 10 représentant, pour la figure 6, une cupule métallique traditionnelle et pour la figure 7, la cupule métallique selon l'invention.  Figures 6 and 7 are two very schematic sectional views 10 representing, for Figure 6, a traditional metal cup and for Figure 7, the metal cup according to the invention.

Figures 8 à 10 sont trois vues respectivement en perspective, en élévation et de côté d'une second cupule.  Figures 8 to 10 are three views respectively in perspective, in elevation and side of a second cup.

La figure 1 représente une prothèse de hanche comprenant une cupule métallique de reconstruction 2 destinée à recevoir une cupule en polyéthylène 3 à l'intérieur de laquelle est destinée à venir se monter de façon articulée, une tête 4 montée à l'extrémité d'un col 5 la reliant à une tige 6 destinée à être engagée dans le fémur. La cupule représentée au dessin comprend, comme mieux montré aux figures 3 à 5, une partie hémisphérique 7, prolongée par une partie cylindrique 8 de faible hauteur. La surface extérieure de la cupule comporte une zone 9 crantée, destinée à favoriser l'accrochage sur l'os.  FIG. 1 represents a hip prosthesis comprising a metal reconstruction cup 2 intended to receive a polyethylene cup 3 inside which is intended to be mounted in an articulated manner, a head 4 mounted at the end of a collar 5 connecting it to a rod 6 intended to be engaged in the femur. The cup shown in the drawing comprises, as best shown in Figures 3 to 5, a hemispherical portion 7, extended by a cylindrical portion 8 of low height. The outer surface of the cup has a notched zone 9, intended to promote attachment to the bone.

La cupule représentée aux figures 1 à 5, comprend deux pattes allongées 10 convergeant vers le milieu de la cupule, et formant entre elles un angle A de 60 , dans la mesure où le diamètre extérieur de la cupule est inférieur à 57 mm.  The cup shown in FIGS. 1 to 5 comprises two elongate tabs converging towards the middle of the cup and forming an angle A of 60 between them, insofar as the outside diameter of the cup is less than 57 mm.

Sur l'axe de symétrie des deux pattes allongées 10 est fixé, du côté opposé de la cupule, un crochet 12.  On the axis of symmetry of the two elongated tabs 10 is fixed, on the opposite side of the cup, a hook 12.

Des plots d'ancrage 13 sont prévus, qui convergent également vers 30 le centre de la partie hémisphérique 7.  Anchor studs 13 are provided which also converge towards the center of the hemispherical portion 7.

Comme montré à la figure 2, la cupule métallique 2 est destinée à être engagée dans la cavité cotyloïdienne du bassin 14, les pattes allongées 10 étant situées vers le haut, et le crochet 12 situé vers le bas par rapport à la cavité du bassin. La fixation est réalisée par l'intermédiaire de vis non représentées au dessin.  As shown in FIG. 2, the metal cup 2 is intended to be engaged in the acetabular cavity of the pelvis 14, the elongated lugs 10 being located upwards, and the hook 12 located downwards with respect to the pelvic cavity. Fixing is performed by means of screws not shown in the drawing.

Suivant la caractéristique essentielle de l'invention, les deux pattes 10 sont fixées en retrait par rapport au plan d'ouverture de la prothèse, avec un décalage D de l'ordre de 3 mm, les pattes 10 étant fixées sensiblement au niveau du plan équatorial de la partie hémisphérique 7. Au contraire, le crochet 12 est fixé sur la cupule de façon à affleurer le plan d'ouverture de celle-ci. II en résulte, comme montré aux figures 6 et 7 qui sont deux vues en coupe représentant respectivement le montage d'une cupule traditionnelle et le montage d'une cupule selon l'invention, que l'angle X formé par le plan d'ouverture de la cupule et un plan horizontal est inférieur dans le cas d'une cupule selon l'invention au même angle Y obtenu avec une cupule traditionnelle. II en résulte un meilleur appui de la tête de la prothèse dans la cupule en polyéthylène et de celle-ci dans la cupule métallique, et par suite une limitation des risques de luxation.  According to the essential characteristic of the invention, the two lugs 10 are set back with respect to the plane of opening of the prosthesis, with an offset D of the order of 3 mm, the lugs 10 being fixed substantially at the plane Equatorial hemispherical portion 7. On the contrary, the hook 12 is fixed on the cup so as to flush with the opening plane thereof. As a result, as shown in FIGS. 6 and 7, which are two sectional views respectively representing the assembly of a traditional cup and the mounting of a cup according to the invention, the angle X formed by the opening plane of the cup and a horizontal plane is lower in the case of a cup according to the invention at the same angle Y obtained with a traditional cup. This results in a better support of the head of the prosthesis in the polyethylene cup and the latter in the metal cup, and therefore a limitation of the risk of dislocation.

Les figures 8 à 10 représentent une variante de cette cupule dans laquelle les mêmes éléments sont désignés par les mêmes références que précédemment. Cette seconde cupule se caractérise en ce qu'elle ne comporte pas de crochet, mais un jeu de deux pattes secondaires 15, diamétralement opposées qui, comme le crochet 12, sont fixées au niveau de la partie cylindrique de la cupule, de façon à effleurer le plan d'ouverture de celle-ci.  Figures 8 to 10 show a variant of this cup in which the same elements are designated by the same references as before. This second cup is characterized in that it has no hook, but a set of two side lugs 15, diametrically opposed, which, like the hook 12, are fixed at the cylindrical portion of the cup, so as to touch the plan of opening of this one.

Dans tous les cas, la cupule présente dans son bord délimitant l'ouverture, un trou 16 de repérage facilitant pour le chirurgien le positionnement de la cupule par rapport au bassin.  In all cases, the cup has in its edge defining the opening, a 16 locating hole facilitating for the surgeon the positioning of the cup relative to the basin.

Comme il ressort de ce qui précède, l'invention apporte une grande amélioration à la technique existante en fournissant une cupule de structure simple, permettant un bon positionnement vis-à-vis du bassin et évitant ainsi les risques de luxation.  As is apparent from the foregoing, the invention provides a great improvement to the existing technique by providing a cup of simple structure, allowing good positioning vis-à-vis the basin and thus avoiding the risk of dislocation.

Comme il va de soi, l'invention ne se limite pas aux seules formes d'exécution de cette prothèse, décrites ci-dessus à titre d'exemples, elle en embrasse, au contraire, toutes les variantes. C'est ainsi, notamment, que cette cupule pourrait ne pas comporter de plot d'ancrage, sans que l'on sorte pour autant du cadre de l'invention.  As goes without saying, the invention is not limited to the embodiments of this prosthesis, described above as examples, it embraces, on the contrary, all variants. It is thus, in particular, that this cup could not include an anchor pad, without departing from the scope of the invention.

Claims (6)

REVENDICATIONS 1. Cupule métallique de reconstruction pour prothèse de hanche, comportant une partie sensiblement hémisphérique (7) prolongée par une courte partie cylindrique (8) délimitant l'ouverture pour l'introduction de la pièce d'articulation de la tête de la prothèse, cette cupule étant équipée de deux pattes allongées (10) convergeant au milieu de la cupule, et destinées à réaliser une fixation sur le bassin, au-dessus de la cavité cotyloïdienne, ainsi qu'un crochet (12) et/ou une paire de pattes secondaires (15) et/ou des pions d'ancrage (13), caractérisée en ce que les pattes allongées (10) sont fixées sur la cupule en retrait du plan de l'ouverture de la partie cylindrique (8), tandis que le crochet (12) et/ou les pattes secondaires (15) sont fixées sur la partie cylindrique (8) de la cupule de façon à sensiblement affleurer le plan de l'ouverture de la partie cylindrique.  1. Metal reconstruction cup for hip prosthesis, comprising a substantially hemispherical portion (7) extended by a short cylindrical portion (8) defining the opening for the introduction of the articulation piece of the head of the prosthesis, this cupule being equipped with two elongate tabs (10) converging in the middle of the cup, and intended to make a fixation on the pelvis, above the acetabulum, and a hook (12) and / or a pair of legs secondary members (15) and / or anchoring pins (13), characterized in that the elongate tabs (10) are fixed on the cup recessed from the plane of the opening of the cylindrical portion (8), while the hook (12) and / or the secondary tabs (15) are fixed on the cylindrical portion (8) of the cup so as to be substantially flush with the plane of the opening of the cylindrical portion. 2. Cupule métallique selon la revendication 1, caractérisée en ce que les pattes allongées (10) sont fixées sensiblement au niveau du plan équatorial de la partie hémisphérique (7) de la cupule.  2. Metal cup according to claim 1, characterized in that the elongate tabs (10) are fixed substantially at the equatorial plane of the hemispherical portion (7) of the cup. 3. Cupule métallique selon l'une des revendications 1 et 2, caractérisée en ce que la distance entre le point de fixation de chaque patte allongée (10) et le plan de l'ouverture de la partie cylindrique (7) est de l'ordre de 3 mm.  3. Metal cup according to one of claims 1 and 2, characterized in that the distance between the attachment point of each elongated tab (10) and the plane of the opening of the cylindrical portion (7) is from order of 3 mm. 4. Cupule métallique selon l'une des revendications 1 à 3, caractérisée en ce que le bord délimitant l'ouverture de la cupule comporte un trou (16) formant repère, situé sur l'axe de symétrie des deux pattes allongées (10).  4. Metal cup according to one of claims 1 to 3, characterized in that the edge defining the opening of the cup has a hole (16) forming a marker, located on the axis of symmetry of the two elongated tabs (10). . 5. Cupule métallique selon l'une des revendications 1 à 4, caractérisée en ce que l'angle que forment deux pattes allongées (10) est de l'ordre de 60 pour un diamètre de cupule (2) inférieur ou égal à 57 mm et est inférieur à 60 pour des diamètres de cupule supérieurs à 57 mm.  5. Metal cup according to one of claims 1 to 4, characterized in that the angle formed by two elongate tabs (10) is of the order of 60 for a cup diameter (2) less than or equal to 57 mm and is less than 60 for cup diameters larger than 57 mm. 6. Cupule métallique selon la revendication 5, caractérisée en ce que l'angle que forment deux pattes allongées (10) est de l'ordre de 52,4 pour des diamètres de cupule (2) compris entre 59 et 65 mm et de l'ordre de 48,84 pour des diamètres de cupule compris entre 67 et 73 mm.  6. Metal cup according to claim 5, characterized in that the angle formed by two elongate tabs (10) is of the order of 52.4 for cup diameters (2) of between 59 and 65 mm and order of 48.84 for cup diameters between 67 and 73 mm.
FR0311627A 2003-10-03 2003-10-03 METALLIC RECONSTRUCTION CUP FOR DETERIORATED COTYL Expired - Lifetime FR2860424B1 (en)

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FR2819172A1 (en) * 2001-01-08 2002-07-12 Groupe Lepine Replacement acetabular cup for hip prosthesis has angled fixed lug with fastening hole and hook to engage with pelvic aperture
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FR2686502A1 (en) * 1992-01-23 1993-07-30 Rech Fabrication Et Uncemented and unscrewed cup for total hip prosthesis
EP0591594A1 (en) * 1992-10-07 1994-04-13 Oscobal Ag Acetabular cup supporting ring
EP0829244A2 (en) * 1996-09-11 1998-03-18 Industrias Quirurgicas De Levante Reconstruction acetabulum prosthesis
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FR2809301A1 (en) * 2000-05-24 2001-11-30 Rech S Et De Fabrication S E R Metallic cup implant for hip replacement prosthesis, includes external toothed area with zones where teeth are more pronounced
FR2819172A1 (en) * 2001-01-08 2002-07-12 Groupe Lepine Replacement acetabular cup for hip prosthesis has angled fixed lug with fastening hole and hook to engage with pelvic aperture
EP1247502A1 (en) * 2001-04-04 2002-10-09 ESKA Implants GmbH & Co. Acetabular cup of an artificial hip joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2904931A1 (en) * 2006-08-18 2008-02-22 Advanced Technical Fabrication Double mobility acetabulum for reconstituting articulation of hip, has extraction unit, whose notch is provided on surface, where notch is conformed and oriented for engagement and entanglement of end of axial extraction tool of cup

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FR2860424B1 (en) 2006-06-30

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