FR2850861A1 - Spherical osseous articulation replacement system, has moving cup that slides in smooth articular cavity of osseous anchoring shell and on polished ball and smooth neck of prosthesis - Google Patents

Spherical osseous articulation replacement system, has moving cup that slides in smooth articular cavity of osseous anchoring shell and on polished ball and smooth neck of prosthesis Download PDF

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Publication number
FR2850861A1
FR2850861A1 FR0301651A FR0301651A FR2850861A1 FR 2850861 A1 FR2850861 A1 FR 2850861A1 FR 0301651 A FR0301651 A FR 0301651A FR 0301651 A FR0301651 A FR 0301651A FR 2850861 A1 FR2850861 A1 FR 2850861A1
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Prior art keywords
prosthesis
smooth
cup
neck
ball
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Granted
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FR0301651A
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French (fr)
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FR2850861B1 (en
Inventor
Alain Cypres
Arnaud Fiquet
Philippe Girardin
Jean Pierre Moulin
Philippe Bauchu
Olivier Bonnard
Daniel Noyer
Christophe Roy
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Smith and Nephew Orthopaedics France SAS
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Ortho ID SAS
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Priority to FR0301651A priority Critical patent/FR2850861B1/en
Priority to PCT/FR2004/002110 priority patent/WO2006027422A1/en
Publication of FR2850861A1 publication Critical patent/FR2850861A1/en
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Publication of FR2850861B1 publication Critical patent/FR2850861B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • 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
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4225—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for feet, e.g. toes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30649—Ball-and-socket joints
    • A61F2002/30662—Ball-and-socket joints with rotation-limiting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30649—Ball-and-socket joints
    • A61F2002/30663—Ball-and-socket joints multiaxial, e.g. biaxial; multipolar, e.g. bipolar or having an intermediate shell articulating between the ball and the socket
    • 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
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4225—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for feet, e.g. toes
    • A61F2002/4238—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for feet, e.g. toes for tarso-metatarsal joints, i.e. TMT joints
    • 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
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • A61F2002/4256—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers for carpo-metacarpal joints, i.e. CMC joints
    • A61F2002/4258—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers for carpo-metacarpal joints, i.e. CMC joints for trapezo-metacarpal joints of thumbs

Abstract

The system has a moving cup (3) that slides in smooth articular cavity (7) of an osseous anchoring shell (1) and on polished ball (4) and smooth neck (6) without bump/notch, of a prosthesis (5) with diaphyseal anchoring. An opening (8) of the cup is contracting towards the cups center and is adapted to be conceived with the widened neck (6) in all positions. The osseous anchoring shell (1) is of rigid bio-compatible material having in its internal concave face a smooth articular cavity (7) that is polished hemispherical and is exempt from bumps, of cavities or of relief. The prosthesis (5) comprises at the part opposed to its diaphyseal anchoring part the polished ball (4) and the neck (6) which is smooth without bump or notch and preferably slightly widened, to enable the physiological articular circular movement with soft friction.

Description

II

I/ Domaine technique et état de l'art: Les dispositifs connus à ce jour pour la réalisation d'un palier articulaire pour remplacer les articulations du membre supérieur ou inférieur de type sphérique sont de quatre types: 1/ Des cupules cimentées dans la cavité osseuse, destinés à recevoir une bille de prothèse f. cf. demande de brevet Lannelongue 87 01524 et Gramont 87 10495.  I / Technical Field and State of the Art: The devices known to date for the realization of an articular bearing to replace the articulations of the upper or lower spherical-type limb are of four types: 1 / Cupules cemented in the cavity bone, intended to receive a ball of prosthesis f. cf. patent application Lannelongue 87 01524 and Gramont 87 10495.

2/ Des cupules mobiles simples dites " intermédiaires " s'articulant sur une bille de prothèse et dans la cavité osseuse sur le reste de cartilage car non fixées dans ladite cavité osseuse. cf. demande de brevet Flot 84 01330 o 3/ Des cupules métalliques dites "sans ciment " introduites en force dans la cavité osseuse préparée grâce à une outil de forme, et munies d'un insert articulaire fixe destiné à recevoir une bille de prothèse. cf demande de brevet Dupuy 93 04657 et Colombier 89 13366.  2 / Simple "intermediate" mobile cups articulating on a ball of prosthesis and in the bone cavity on the rest of cartilage because not fixed in said bone cavity. cf. patent application Flot 84 01330 o 3 / Metal cups called "cementless" introduced into force in the bone cavity prepared by means of a form tool, and provided with a fixed articular insert for receiving a ball prosthesis. cf patent application Dupuy 93 04657 and Colombier 89 13366.

4/ Des cupules métalliques dites sans ciment similaires pour l'extérieur au type 15 3 mais présentant une face interne concave polie pour recevoir une cupule mobile s'articulant à la fois dans cette concavité et sur une bille de prothèse cf. brevet Bouvet FR 2 662 930-Al.  4 / Metal cups said cementless similar to the outside type 3 3 but having a polished concave inner face to receive a movable cup articulating both in this concavity and on a prosthesis ball cf. Bouvet patent FR 2 662 930-A1.

Ce dernier type d'implants bien que séduisant par son principe est assez décevant à moyen terme car, du fait de la rétention de la bille dans la cupule mobile, celle ci 20 présente une usure avec création importante de débris pouvant conduire à une reprise chirurgicale ou même à la luxation nécessitant le remplacement des implants.  The latter type of implants, although seductive by its principle, is rather disappointing in the medium term because, because of the retention of the ball in the mobile cup, the latter exhibits wear with significant debris creation which can lead to a surgical revision. or even dislocation requiring replacement of implants.

II/ Principes et avantazes attendus de l'invention: Il est important et économique d'offrir aux patients des implants pour remplacement des articulations des membres supérieurs ou inférieurs stables, exempts de luxation même en cas de grande mobilité, particulièrement en circumduction, et dont l'usure est minimale afin de réduire les remplacements de prothèses sur une population agée dont l'espérance de vie augmente, mais pour 30 laquelle les interventions de reprise sont lourdes tant en mortalité qu'en morbidité.  II / Principles and anticipated advantages of the invention: It is important and economical to offer patients implants for replacement of stable upper or lower limb joints, free from dislocation even in the event of high mobility, particularly in circumduction, and of which wear is minimal in order to reduce prosthetic replacements on an older population whose life expectancy is increasing, but for which recovery interventions are heavy in both mortality and morbidity.

La triple articulation objet de l'invention se produit - d'une part, pour la première articulation, entre la face externe d'une cupule mobile en matériau plastique biocompatible et entre l'intérieur d'une coquille d'ancrage osseux en matériau rigide bio-compatible présentant une face à concavité sensiblement hémisphérique polie 35 exempte d'aspérités, de cavités ou de reliefs pouvant user la dite cupule mobile ou entraver son libre débattement, lorsque cette dernière est sollicitée en déplacement rotatoire par le col de la prothèse, - d'autre part, pour la deuxième articulation, entre la surface articulaire polie de la bille d'une prothèse et entre la face interne de la cupule mobile dont la superficie est de préférence supérieure à une demi sphère de diamètre similaire à celui de ladite bille, et également d'autre part, pour la troisième articulation, entre le col de ladite prothèse, caractérisé en ce qu'il est lisse sans aspérité ni encoche et de préférence légèrement évasé, pour permettre le mouvement de circumduction articulaire physiologique à frottement doux exempt 5 d'usure, et entre le chanfrein situé à l'ouverture de la cupule mobile, caractérisé en ce que cette ouverture se rétrécit vers le centre de ladite cupule articulaire mobile en présentant un diamètre intérieur sensiblement égal ou inférieur à celui de la bille, et dont l'évasement est conçu pour s'adapter parfaitement avec celui du col évasé de la prothèse, dans toutes les positions respectives des pièces mobiles 10 lorsque le col vient en contact avec la cupule mobile et l'entraîne dans sa course en cas de débattement de grande amplitude.  The triple articulation object of the invention occurs - on the one hand, for the first articulation, between the outer face of a movable cup biocompatible plastic material and between the inside of a bone anchor shell rigid material biocompatible having a substantially polished hemispherical concavity surface 35 free of asperities, cavities or reliefs that can wear the said movable cup or hinder its free movement, when the latter is urged in rotary displacement by the neck of the prosthesis, - on the other hand, for the second articulation, between the polished articular surface of the ball of a prosthesis and between the inner face of the movable cup whose surface area is preferably greater than a half sphere of diameter similar to that of said ball , and also on the other hand, for the third articulation, between the neck of said prosthesis, characterized in that it is smooth without asperity or notch and pre slightly flared, to allow the wear-free soft friction physiological articular circumduction movement, and between the chamfer at the opening of the movable cup, characterized in that this opening narrows towards the center of said articular cupule mobile having an inner diameter substantially equal to or less than that of the ball, and whose flare is designed to fit perfectly with that of the flared neck of the prosthesis, in all the respective positions of the moving parts 10 when the collar comes in contact with the movable cup and drives it in its race in case of large amplitude deflection.

Il s'agit donc d'un dispositif qui, associant la fonctionnalité de systèmes par ailleurs déjà décrits, apporte une réponse aux problèmes d'usure et de détérioration rapide et permet donc de traiter avec succès, sans usure, sans luxation, donc pour 15 plus longtemps et avec une grande amplitude de mouvements, par sa triple articulation, l'ensemble des pathologies articulaires.  It is therefore a device which, combining the functionality of systems already described, provides an answer to the problems of wear and fast deterioration and thus allows to treat successfully, without wear, without dislocation, so for 15 longer and with a large range of motion, by its triple articulation, all articular pathologies.

Les caractéristiques les plus importantes du système d'après l'invention sont  The most important features of the system according to the invention are

réitérés dans les revendicationsreiterated in the claims

III/ Description des modes de réalisation et dessins: EXPLICATION DES FIGURES: D'autres avantages et aspects de l'invention ressortiront à la lecture de la description suivante faite à titre d'exemple et en référence aux dessins annexés dans lesquels: La figure l est une vue en perspective du système d'articulation osseuse (1) comprenant trois composants articulaires, à savoir une coquille d'ancrage osseux (1) et une cupule articulaire dans sa configuration mobile (3) glissant d'une part sur la tête (4) d'une prothèse fémorale (5) et d'autre part dans la cavité lisse (7) en forme de portion de sphère de la coquille d'ancrage osseux (1) La figure 2 est une vue de détail montrant la troisième articulation avec les caractéristiques revendiquées pour le col (6) et pour le chanfrein interne (10) de la cupule mobile (3) L'invention n'est pas limitée aux formes de réalisation représentées dans les dessins annexés.  III / Description of the Embodiments and Drawings: EXPLANATION OF THE FIGURES: Other advantages and aspects of the invention will emerge on reading the following description given by way of example and with reference to the appended drawings in which: FIG. is a perspective view of the bone articulation system (1) comprising three articular components, namely a bone anchoring shell (1) and an articular cup in its mobile configuration (3) sliding on the one hand on the head ( 4) of a femoral prosthesis (5) and secondly in the smooth cavity (7) in the form of a sphere portion of the bone anchoring shell (1) FIG. 2 is a detail view showing the third articulation with the claimed features for the neck (6) and for the inner bevel (10) of the movable cup (3) The invention is not limited to the embodiments shown in the accompanying drawings.

DESCRIPTION:DESCRIPTION:

Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique des membres supérieurs et inférieurs, réalisé en matériaux biocompatibles, caractérisé en ce qu'il comprend trois composants articulaires et une triple articulation avec trois surfaces de contact de glissement concourant au déplacements, à savoir: - Une coquille d'ancrage osseux (1) en matériau rigide bio-compatible présentant à sa face interne concave une surface articulaire lisse (7), sensiblement 5 hémisphérique polie exempte d'aspérités, de cavités ou de reliefs pouvant user la cupule mobile (3) ou entraver son libre débattement, lorsque cette dernière est sollicitée en déplacement angulaire ou rotatoire par le col (6) de la prothèse (5), caractérisée en ce que son ouverture (10) est située à une distance comprise entre de let 6mm au delà de l'équateur (2) de ladite coquille d'ancrage osseux (1) de io manière à réaliser une jupe de guidage (1 1) et présente un bord arrondi (12) avec un rayon compris entre 1 et Smm, afin d'éviter toute abrasion de la cupule mobile (3) lors de son introduction per-opératoire dans ladite coquille d'ancrage osseux (1).  System for replacing bone joints of substantially spherical geometry of the upper and lower limbs, made of biocompatible materials, characterized in that it comprises three articular components and a triple joint with three sliding contact surfaces contributing to the movements, namely: A bone anchoring shell (1) of biocompatible rigid material having on its concave inner surface a smooth, substantially hemispherical, smooth articular surface (7) free from asperities, cavities or reliefs that can wear out the movable cup (3). ) or hindering its free movement, when the latter is urged angularly or rotatably by the neck (6) of the prosthesis (5), characterized in that its opening (10) is situated at a distance of between 6mm let at beyond the equator (2) of said bone anchoring shell (1) so as to form a guide skirt (1 1) and present a n rounded edge (12) with a radius of between 1 and Smm, to prevent abrasion of the movable cup (3) during its intra-operative introduction into said bone anchor shell (1).

- Une prothèse (5) comportant, à sa partie opposée à la partie d'ancrage 15 diaphysaire, une bille (4) polie et un col (6) caractérisé en ce qu'il et lisse sans aspérité ni encoche et de préférence légèrement évasé, pour permettre le mouvement de circumduction articulaire physiologique à frottement doux exempt d'usure.  - A prosthesis (5) having, at its opposite portion to the diaphyseal anchoring portion 15, a ball (4) polished and a collar (6) characterized in that it smooth and smooth without notch and notch and preferably slightly flared , to allow the movement of physiological joint circumduction with soft friction free from wear.

- Une cupule articulaire mobile (3), glissant d'une part dans la cavité lisse (7) en 20 forme de portion de sphère de la coquille d'ancrage osseux (1) et d'autre part sur la bille (4) et le col (6) d'une prothèse (5) à ancrage diaphysaire, caractérisée en ce que son ouverture (8) se rétrécit vers le centre de ladite cupule articulaire mobile (3) en présentant un diamètre intérieur (9) sensiblement égal ou inférieur à celui de la bille (4), et dont l'évasement est conçu pour s'adapter parfaitement avec le col 25 (6) évasé de la prothèse (5), dans toutes les positions respectives des pièces mobiles.  - A movable articular cup (3) sliding on the one hand in the smooth cavity (7) as a sphere portion of the bone anchoring shell (1) and on the other hand on the ball (4) and the neck (6) of a prosthesis (5) with diaphyseal anchorage, characterized in that its opening (8) narrows towards the center of said movable articular cup (3) having an inner diameter (9) substantially equal to or less to that of the ball (4), and whose flare is designed to fit perfectly with the neck 25 (6) flared of the prosthesis (5), in all the respective positions of the moving parts.

Ledit système d'articulation permettant grâce à ses caractéristiques particulières d'assurer avec succès, même en cas de révision ou de mauvaise qualité osseuse, un remplacement durable et stable permettant des mouvements de grande amplitude 30 sans luxation ni usure pour les articulations de type sphériques du membre supérieur ou inférieur.  Said articulating system which, thanks to its particular characteristics, makes it possible to ensure, with good success, even in case of revision or poor bone quality, a durable and stable replacement allowing movements of great amplitude without dislocation or wear for the spherical-type joints. upper or lower limb.

Plus particulièrement: - Le système pour remplacement des articulations osseuses de géométrie 35 sensiblement sphérique à triple articulation dont la troisième articulation se situe entre le col (6) de la prothèse (5), lisse et sans aspérité ni encoche et de préférence légèrement évasé et entre le chanfrein situé à l'ouverture de la cupule mobile (3) est caractérisé en ce que son évasement est compris entre 1 et 150 de préférence 6 et pour s'adapter parfaitement avec celui du col (6) évasé de la prothèse (5), dans toutes les positions respectives des pièces mobiles.  More particularly: - The system for replacing the bone joints of substantially spherical geometry with triple articulation whose third joint is located between the neck (6) of the prosthesis (5), smooth and without asperity or notch and preferably slightly flared and between the chamfer located at the opening of the movable cup (3) is characterized in that its flare is between 1 and 150 preferably 6 and to fit perfectly with that of the neck (6) flared of the prosthesis (5). ), in all the respective positions of the moving parts.

- Le système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple dont la troisième articulation est située entre le col 5 (6) de la prothèse (5), lisse sans aspérité ni encoche et légèrement évasé de préférence à 6 pour permettre le mouvement de circumduction articulaire physiologique et entre le chanfrein situé à l'ouverture de la cupule mobile (3), est caractérisé en ce que l'évasement est déterminé par un angle correspondant au débattement angulaire choisi, selon le degré de liberté de l'articulation à remplacer, io augmenté de l'angle dudit col (6) afin de réaliser un contact (14) en alignement linéaire parfait des deux surfaces pour réaliser un frottement doux exempt d'usure entre les pièces mobiles, dans toutes leurs positions respectives.  - The system for replacing the bone joints of substantially spherical to triple geometry, the third joint is located between the neck 5 (6) of the prosthesis (5), smooth without asperity or notch and slightly flared preferably to 6 to allow movement of physiological articular circumduction and between the chamfer located at the opening of the movable cup (3), is characterized in that the flare is determined by an angle corresponding to the angular deflection chosen, according to the degree of freedom of the articulation to replacing, increased the angle of said neck (6) to make a contact (14) in perfect linear alignment of the two surfaces to achieve a smooth wear-free friction between the moving parts, in all their respective positions.

- Le système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple articulation dont la deuxième articulation se situe 15 entre la surface articulaire polie de la bille (4) d'une prothèse (5) et entre la face interne de la cupule mobile (3) est caractérisé en ce que la superficie de ladite face interne est de préférence supérieure à une demi sphère de diamètre similaire à celui de la bille (4), et que son ouverture (8) rétrécie vers le centre de ladite cupule articulaire mobile (3) présente un diamètre intérieur (9) inférieur de 0,5 à 4mm, de 20 préférence de 1/10èe à celui de la bille (4) afin de renforcer la stabilité de ladite bille (4) dans la cupule mobile (3).  - The system for replacing bone joints of substantially spherical geometry with triple articulation whose second articulation is located between the polished articular surface of the ball (4) of a prosthesis (5) and between the inner face of the movable cup ( 3) is characterized in that the surface area of said inner face is preferably greater than a half sphere of diameter similar to that of the ball (4), and that its opening (8) narrows towards the center of said movable articular cup ( 3) has an inner diameter (9) less than 0.5 to 4 mm, preferably 1 / 10th to that of the ball (4) to enhance the stability of said ball (4) in the movable cup (3) .

Claims (5)

Revendications:claims: 1/ Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique, réalisé en matériaux bio-compatibles, caractérisé en ce qu'il comprend trois composants articulaires et une triple articulation avec trois surfaces de contact de glissement concourant aux déplacements, à savoir: - Une coquille d'ancrage osseux (1) en matériau rigide bio-compatible présentant à sa face interne concave une surface articulaire lisse (7) sensiblement hémisphérique polie qui est exempte d'aspérités, de cavités ou de reliefs pouvant user la cupule mobile (3) ou entraver son libre débattement, lorsque cette dernière io est sollicitée en déplacement rotatoire par le col (6) de la prothèse (5); - Une prothèse (5) comportant à la partie opposée à sa partie d'ancrage diaphysaire une bille (4) polie et un col (6) qui est lisse sans aspérité ni encoche et de préférence légèrement évasé, pour permettre le mouvement de circumduction articulaire physiologique à frottement doux exempt d'usure; - Une cupule articulaire mobile (3), glissant d'une part dans la cavité lisse (7) en forme de portion de sphère de la coquille d'ancrage osseux (1) et d'autre part sur la bille (4) et le col (6) d'une prothèse (5) à ancrage diaphysaire, l'ouverture (8) de ladite cupule mobile (3) se rétrécissant vers le centre de ladite cupule articulaire mobile (3) et dont l'évasement est conçu pour s'adapter parfaitement avec le col 20 (6) évasé de la prothèse (5), dans toutes les positions respectives des pièces mobiles.  1 / System for replacing bone joints of substantially spherical geometry, made of bio-compatible materials, characterized in that it comprises three articulating components and a triple articulation with three sliding contact surfaces contributing to displacements, namely: bone anchoring shell (1) made of a biocompatible rigid material having on its concave inner surface a smoothly hemispherical smooth articular surface (7) which is free of asperities, cavities or reliefs which can wear out the movable cup (3) or hinder its free movement, when the latter io is solicited in rotary displacement by the neck (6) of the prosthesis (5); - A prosthesis (5) having at the portion opposite to its diaphyseal anchoring portion a ball (4) polished and a neck (6) which is smooth without asperity or notch and preferably slightly flared, to allow movement of joint circumduction physiological soft friction free from wear; - A movable articular cup (3), sliding on the one hand in the smooth cavity (7) shaped sphere portion of the bone anchor shell (1) and on the other hand on the ball (4) and the collar (6) of a prosthesis (5) with diaphyseal anchorage, the opening (8) of said movable cup (3) narrowing towards the center of said movable articular cup (3) and whose flare is designed for s perfectly fit with the flared neck (6) of the prosthesis (5), in all the respective positions of the moving parts. 2/ Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple articulation selon la revendication 1 dont la troisième articulation se situe entre le col (6) de la prothèse (5), lisse sans aspérité 25 ni encoche et de préférence légèrement évasé, et entre le chanfrein situé à l'ouverture de la cupule mobile (3), caractérisé en ce que son évasement est compris entre 1 et 15 de préférence 6 pour permettre le mouvement de circumduction articulaire physiologique à frottement doux exempt d'usure et pour s'adapter parfaitement avec celui du col (6) évasé de la prothèse (5), dans toutes les 30 positions respectives des pièces mobiles.  2 / System for replacing the bone joints of substantially spherical geometry with triple articulation according to claim 1, the third joint is between the neck (6) of the prosthesis (5), smooth without asperity 25 notch and preferably slightly flared, and between the chamfer located at the opening of the movable cup (3), characterized in that its flare is between 1 and 15 preferably 6 to allow the physiological joint movement circumferentially soft friction free wear and for s to fit perfectly with that of the flared neck (6) of the prosthesis (5), in all the respective positions of the moving parts. 3/ Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple articulation selon au moins une des revendications 1 et 2 dont la troisième articulation est située entre le col (6) de la prothèse (5), lisse sans aspérité ni encoche et légèrement évasé de préférence à 6 pour 35 permettre le mouvement de circumduction articulaire physiologique et entre le chanfrein situé à l'ouverture de la cupule mobile (3), caractérisé en ce que l'évasement est déterminé par un angle correspondant au débattement angulaire choisi, selon le degré de liberté de l'articulation à remplacer, augmenté de l'angle dudit col (6) afin de réaliser un contact (14) en alignement linéaire parfait des deux surfaces pour réaliser un frottement doux exempt d'usure entre les pièces mobiles, dans toutes leurs positions respectives.  3 / System for replacing the bone joints of substantially spherical geometry with triple articulation according to at least one of claims 1 and 2, the third joint is located between the neck (6) of the prosthesis (5), smooth without asperity or notch and slightly preferably flared to 6 to allow the physiological joint circumduction movement and between the chamfer at the opening of the movable cup (3), characterized in that the flare is determined by an angle corresponding to the angular deflection selected, according to the degree of freedom of the joint to be replaced, increased by the angle of said neck (6) in order to make a contact (14) in perfect linear alignment of the two surfaces to achieve a smooth, wear-free friction between the moving parts, in all their respective positions. 4/ Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple articulation selon au moins une des revendications 1 à 3 dont la première articulation se situe entre la face externe d'une cupule articulaire mobile (3) réalisée en matériau bio-compatible de préférence plastique, et entre l'intérieur d'une coquille d'ancrage osseux (1) en matériau rigide biocompatible présentant une face (7) à concavité sensiblement hémisphérique polie exempte d'aspérités, de cavités ou de reliefs pouvant user la dite cupule mobile (3) io ou entraver son libre débattement et caractérisée en ce que l'ouverture (10) de ladite face (7) à concavité hémisphérique est située à une distance comprise entre de let 6mm au delà de l'équateur de ladite coquille d'ancrage osseux (1) de manière à réaliser une jupe de guidage (11) et présente un bord arrondi (12) avec un rayon compris entre 1 et Smm, afin d'éviter toute abrasion de la cupule mobile 15 (3) lors de son introduction per-opératoire dans ladite coquille d'ancrage osseux (1).  4 / System for replacing the bone joints of substantially spherical geometry with triple articulation according to at least one of claims 1 to 3, the first joint between the outer face of a movable articular cup (3) made of bio-compatible material of plastic preference, and between the inside of a bone anchoring shell (1) of biocompatible rigid material having a face (7) substantially hemispherical concavity polished free of asperities, cavities or reliefs that can wear the said movable cup (3) io or hinder its free movement and characterized in that the opening (10) of said face (7) with hemispherical concavity is located at a distance between let 6mm beyond the equator of said shell of bone anchoring (1) so as to form a guide skirt (11) and has a rounded edge (12) with a radius of between 1 and Smm, in order to avoid any abrasion of the cup mob 15 (3) during its intra-operative introduction into said bone anchor shell (1). 5/ Système pour remplacement des articulations osseuses de géométrie sensiblement sphérique à triple articulation selon la revendication 4 dont la deuxième articulation se situe entre la surface articulaire polie de la bille (4) d'une 20 prothèse (5) et entre la face interne de la cupule mobile (3) caractérisée en ce que la superficie de ladite face interne est de préférence supérieure à une demi sphère de diamètre similaire à celui de la bille (4), et que son ouverture (8) rétrécie vers le centre de ladite cupule articulaire mobile (3) présente un diamètre intérieur (9) inférieur de 0,5 à 4mm, de préférence de 1/lOème à celui de la bille (4) afin de 25 renforcer la stabilité de ladite bille (4) dans la cupule mobile (3).  5 / System for replacing bone articulations of substantially spherical geometry with triple articulation according to claim 4, the second joint is located between the polished articular surface of the ball (4) of a prosthesis (5) and between the inner face of the movable cup (3) characterized in that the surface of said inner face is preferably greater than a half sphere of diameter similar to that of the ball (4), and that its opening (8) narrowed towards the center of said cup articular joint (3) has an inner diameter (9) less than 0.5 to 4 mm, preferably 1 / 10th to that of the ball (4) to enhance the stability of said ball (4) in the movable cup (3).
FR0301651A 2003-02-12 2003-02-12 SPHERICAL TRIPLE JOINT IMPLANT SYSTEM FOR HIGHER OR LOWER MEMBER Expired - Lifetime FR2850861B1 (en)

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FR0301651A FR2850861B1 (en) 2003-02-12 2003-02-12 SPHERICAL TRIPLE JOINT IMPLANT SYSTEM FOR HIGHER OR LOWER MEMBER
PCT/FR2004/002110 WO2006027422A1 (en) 2003-02-12 2004-08-09 Ball-type triple-joint implant system for upper or lower limbs

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FR0301651A FR2850861B1 (en) 2003-02-12 2003-02-12 SPHERICAL TRIPLE JOINT IMPLANT SYSTEM FOR HIGHER OR LOWER MEMBER
PCT/FR2004/002110 WO2006027422A1 (en) 2003-02-12 2004-08-09 Ball-type triple-joint implant system for upper or lower limbs

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WO2006027422A1 (en) * 2003-02-12 2006-03-16 Ortho-I.D. Ball-type triple-joint implant system for upper or lower limbs
US7780737B2 (en) 2004-08-09 2010-08-24 Ortho Id Ball-type triple-joint implant system for upper or lower limbs

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FR3027213B1 (en) * 2014-10-17 2018-08-24 Groupe Lepine METHOD FOR ESTABLISHING A JOINT PROSTHESIS FOR SMALL BONES

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US4960427A (en) * 1983-03-08 1990-10-02 Joint Medical Products Corporation Ball and socket bearing for artifical joint
FR2662930A1 (en) * 1990-06-06 1991-12-13 Bouvet Jean Claude BALL FOR PROTHESIS.
DE4428407A1 (en) * 1994-08-11 1996-02-15 Kubein Meesenburg Dietmar Pro Artificial joint, especially to replace the human hip joint
FR2807315A1 (en) * 2000-04-06 2001-10-12 Rech S Et De Fabrication S E R COTYLOID INSERT FOR TOTAL HIP PROSTHESIS

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FR2850861B1 (en) * 2003-02-12 2005-09-30 Ortho Id SPHERICAL TRIPLE JOINT IMPLANT SYSTEM FOR HIGHER OR LOWER MEMBER

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US4960427A (en) * 1983-03-08 1990-10-02 Joint Medical Products Corporation Ball and socket bearing for artifical joint
FR2662930A1 (en) * 1990-06-06 1991-12-13 Bouvet Jean Claude BALL FOR PROTHESIS.
DE4428407A1 (en) * 1994-08-11 1996-02-15 Kubein Meesenburg Dietmar Pro Artificial joint, especially to replace the human hip joint
FR2807315A1 (en) * 2000-04-06 2001-10-12 Rech S Et De Fabrication S E R COTYLOID INSERT FOR TOTAL HIP PROSTHESIS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006027422A1 (en) * 2003-02-12 2006-03-16 Ortho-I.D. Ball-type triple-joint implant system for upper or lower limbs
US7780737B2 (en) 2004-08-09 2010-08-24 Ortho Id Ball-type triple-joint implant system for upper or lower limbs

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FR2850861B1 (en) 2005-09-30

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