FR2589720A1 - KNEE JOINT PROSTHETIC ASSEMBLY - Google Patents

KNEE JOINT PROSTHETIC ASSEMBLY Download PDF

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Publication number
FR2589720A1
FR2589720A1 FR8517203A FR8517203A FR2589720A1 FR 2589720 A1 FR2589720 A1 FR 2589720A1 FR 8517203 A FR8517203 A FR 8517203A FR 8517203 A FR8517203 A FR 8517203A FR 2589720 A1 FR2589720 A1 FR 2589720A1
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prosthesis
internal
patellar
assembly
external
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FR8517203A
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French (fr)
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AUBANIAC JEAN
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AUBANIAC JEAN
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Priority to FR8517203A priority Critical patent/FR2589720A1/en
Priority to EP19860906839 priority patent/EP0245410A1/en
Priority to PCT/FR1986/000383 priority patent/WO1987002882A1/en
Priority to AU66246/86A priority patent/AU6624686A/en
Publication of FR2589720A1 publication Critical patent/FR2589720A1/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/38—Joints for elbows or knees
    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2/3877—Patellae or trochleae
    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2002/3895—Joints for elbows or knees unicompartimental

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (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 object of the invention relates to the technical field of medical sciences. The assembly comprises, for each knee, six types of prosthesis which are specially adapted to the lesion to be treated, a basic trochleo-bicondylar monobloc prosthesis of which the shapes and profiles are determined in order to be adapted to the anatomy of the knee particularly the femoral condyles; an external trochleo-condylar prosthesis, an internal trochleo-condylar prosthesis, a rotular prosthesis, a mono-external prosthesis, a mono-internal prosthesis, each of these prostheses presenting according to the type one or a plurality of parts having the same shapes and profiles as those of the basic trochleo-bicondylar prosthesis.

Description

L'invention concerne un ensemble prothétique pour larticulation du genou
L'objet de l'invention se rattache au secteur technique des sciences médicales.The invention relates to a prosthetic assembly for the knee joint.
The object of the invention relates to the technical sector of medical sciences.

Il est connu d'employer pour certaines lésions du ge nou, des prothèses destinées à reconstituer l'articulation entre le fémur et le tibia. Généralement, ce type de prothèses est limité en nombre ; on distingue essentiellement les prothèses trochléo-bicondyliennes monoblocs, les prothèses rotuliennes et les prothèses mono-compartimentaires.Cette limitation en nombre et en forme des prothèses, engendrent certains inconvénients car, en fonction de la lésion à traiter, on peut utiliser seulement le type le plus rapprochant de prothèse de sorte que le résultat obtenu ne peut pas Btre jugé satisfaisant
En effet, ou bien la prothèse est sous-adaptée au traitement du genou à effectuer ou bien la prothèse est SU- adaptée au traitement à effectuer susceptible d'affecter ainsi les zones non endommagées. Par exemple, les prothèses monocompartimentaires ne sont pas conformées pour entre adaptées soit au condyle interne soit au condyle externe De même il n'existe aucune prothèse trochléo-condylienne interne et externe.It is known to use for certain lesions of the knee, prostheses intended to reconstruct the joint between the femur and the tibia. Generally, this type of prosthesis is limited in number; there is essentially a distinction between monobloc trochleo-bicondylar prostheses, patellar prostheses and mono-compartmental prostheses. This limitation in number and shape of the prostheses generate certain drawbacks because, depending on the lesion to be treated, only the type can be used. closer to the prosthesis so that the result obtained cannot be considered satisfactory
Indeed, either the prosthesis is under-adapted to the treatment of the knee to be carried out or the prosthesis is SU-adapted to the treatment to be carried out which may thus affect the undamaged areas. For example, monocomponent prostheses are not shaped to fit between either the internal condyle or the external condyle Similarly there is no internal and external trochleocondylar prosthesis.

Le problème étant ainsi posé, l'invention s'est fixée pour but de décomposer, et de moduler, le genou en plusieurs parties correspondant aux différentes lésions possibles et de réaliser, pour chacune de ses parties, une prothèse particuliè- rement bien adaptée en forme et di-mension. The problem being thus posed, the invention set itself the goal of breaking down, and of modulating, the knee into several parts corresponding to the different possible lesions and of producing, for each of its parts, a prosthesis which is particularly well adapted in shape and size.

Dans ce but, on exécute une nouvelle prothèse trochléo- bicondylienne monobloc dont les formes et profils sont déterminés pour s'adapter a l'anatomie du genou notamment du fémur con sidéré selon un échantillon représentattif. À partir de cette prothèse de base qui est convenablement équipée de plots d'ancrage, on réalise : - une prothèse trochléo-condylienne externe, - une prothèse trochléo-condylienne interne, - une prothèse mono-externe, - une prothèse mono-interne, - une prothèse rotulienne. To this end, a new monobloc trochleobicondylar prosthesis is executed, the shapes and profiles of which are determined to adapt to the anatomy of the knee, in particular of the femur, considered according to a representative sample. From this basic prosthesis which is suitably equipped with anchoring studs, we produce: - an external trochleo-condylar prosthesis, - an internal trochleo-condylar prosthesis, - a mono-external prosthesis, - a mono-internal prosthesis, - a patellar prosthesis.

On a ainsi réalisé un ensemble comprenant pour chaque genou six types différents de prothèses correspondant chacun à la lésion à traiter. D'une manière préférée, chaque type existe en trois tailles : une grande, une petite, une moyenne. A set was thus produced comprising for each knee six different types of prosthesis each corresponding to the lesion to be treated. Preferably, each type exists in three sizes: large, small, medium.

L'invention est exposée ci-après plus en détail a l'aide des dessins qui représentent les formes et profils de chaque type de prothèse, étant souligné que les prothèses illustrées correspondent au genou droit et sont illustrées à l'échel- le 1 correspondant a la grande taille. The invention is set out below in more detail with the aid of the drawings which represent the shapes and profiles of each type of prosthesis, it being emphasized that the prostheses illustrated correspond to the right knee and are illustrated to the scale 1 corresponding has the big size.

- Les figures 1, 2, 3 et 4 sont relatives à la prothèse trochléo-bicondylienne monobloc, la figure 1 étant la vue antérieure, la figure 2 la vue de profil, la figure 3 la vue postérieure, la figure 4 la vue de dessus correspondant a la figure 2. - Figures 1, 2, 3 and 4 relate to the monobloc trochleo-bicondylar prosthesis, Figure 1 being the anterior view, Figure 2 the side view, Figure 3 the rear view, Figure 4 the top view corresponding to figure 2.

- Les figures 5, 6, 7 et 8 sont relatives a la prothè- se trochîtocondylienne interne, la figure 5 étant la vue anté- rieure, la figure 6 la vue de profil, la figure 7 la vue posté- rieure, la figure 8 la vue de dessus correspondant à la figure 6. - Figures 5, 6, 7 and 8 relate to the internal trochitocondylar prosthesis, Figure 5 being the anterior view, Figure 6 the side view, Figure 7 the rear view, Figure 8 the top view corresponding to FIG. 6.

- Les figures 9, 10, Il et 12 sont relatives a la prothèse trochléo-condylienne externe, la figure 9 étant la vue antérieure, la figure 10 la vue de profil, la figure 11 la vue postérieure, la figure 12 la vue de dessus correspondant a la figure 10. - Figures 9, 10, 11 and 12 relate to the external trochleo-condylar prosthesis, Figure 9 being the anterior view, Figure 10 the side view, Figure 11 the rear view, Figure 12 the top view corresponding to figure 10.

- Les figures 13, 14, 15 et 16 sont relatives à la prothèse mono-externe, la figure 13 étant la vue antérieure, la figure 14 la vue de profil, la figure 15 la vue postérieure, la figure 16 la vue de dessus correspondant à la figure 14. - Figures 13, 14, 15 and 16 relate to the mono-external prosthesis, Figure 13 being the front view, Figure 14 the side view, Figure 15 the rear view, Figure 16 the corresponding top view in Figure 14.

- Les figures 17, le, 19 et 20 sont relatives à la prothèse mono-interne, la figure 17 étant la vue antérieure, la figure 18 la vue de profil, la figure 19 la vue postérieure, la figure 20 la vue de dessus correspondant a la figure 18. - Figures 17, le, 19 and 20 relate to the mono-internal prosthesis, Figure 17 being the front view, Figure 18 the side view, Figure 19 the rear view, Figure 20 the corresponding top view in Figure 18.

- Les figures 21, 22, 23 et 24 sont relatives a la prothèse rotulienne, la figure 21 étant la vue antérieure, la figure 22 la vue de profil, la figure 23 la vue postérieure, la figure 24 la vue de dessus correspondant a la figure 22.  - Figures 21, 22, 23 and 24 relate to the patellar prosthesis, Figure 21 being the front view, Figure 22 the side view, Figure 23 the rear view, Figure 24 the top view corresponding to the figure 22.

La prothèse trochléo-bicondylienne monobloc illustrée figures 1 à 4 comprend une partie (1) qui fait office de bouclier rotulien, prolonge dans un plan perpendiculaire ou sensiblement perpendiculaire par demi-lobes profilés (2) et (3) sépa- rés par une échancrure (4) laissant subsister une partie commune (5) entre lesdits lobes (2) et (3). Dans le cas du genou droit, le lobe (2) est profil en section pour correspondre au rayon moyen de courbure du condyle interne. Inversement, le lobe (3) est profilé en section pour correspondre en section au rayon de courbure moyen du condyle externe. The monobloc trochleo-bicondylar prosthesis illustrated in FIGS. 1 to 4 comprises a part (1) which acts as a patellar shield, extends in a perpendicular or substantially perpendicular plane by profiled half-lobes (2) and (3) separated by a notch (4) leaving a common part (5) between said lobes (2) and (3). In the case of the right knee, the lobe (2) is profile in section to correspond to the mean radius of curvature of the internal condyle. Conversely, the lobe (3) is profiled in section to correspond in section to the mean radius of curvature of the external condyle.

La prothèse trochléo-condylienne interne (figures 5, 6, 7 et 8) comprend le bouclier rotulien (1) prolongé d'un coté seulement, dans un plan perpendiculaire ou sensiblement perpendiculaire, par le lobe (2) dont le profil en section correspond au rayon de courbure moyen du condyle interne. A l'opposé du lobe (2), la partie commune t5) est coupée en biseau (ó) selon un angle déterminé correspondant à la course rotulienne normale. The internal trochleo-condylar prosthesis (Figures 5, 6, 7 and 8) comprises the patellar shield (1) extended on one side only, in a plane perpendicular or substantially perpendicular, by the lobe (2) whose profile in section corresponds at the mean radius of curvature of the internal condyle. Opposite the lobe (2), the common part t5) is cut at a bevel (ó) at a determined angle corresponding to the normal patellar stroke.

La prothèse trochl#o-condylienne externe Figures 9 10, 11 et 12) est semblable à la prothèse trochléo-condyli#nne interne, la seule différence résidant dans l'implantation du lobe (3) et de la coupe en biseau (7) qui sont inversés. The external trochl # o-condylar prosthesis Figures 9 10, 11 and 12) is similar to the internal trochleo-condylar prosthesis, the only difference being the implantation of the lobe (3) and the bevel cut (7) which are reversed.

La prothèse rotulienne (figures 21, 22, 23 et 24) est réalisée à partir du bouclier condylien (d) prolongé dans un plan perpendiculaire ou sensiblement perpendiculaire, par la partie commune (5) dont les extrémités latérales (8) et (9) sont coupées en biseau pour correspondre respectivement à la course rotulienne externe et interne. The patellar prosthesis (Figures 21, 22, 23 and 24) is made from the condylar shield (d) extended in a plane perpendicular or substantially perpendicular, by the common part (5) whose lateral ends (8) and (9) are cut at a bevel to correspond respectively to the external and internal patellar stroke.

D'une manière importante, la longueur du bouclier rotulien (1) est déterminée pour recevoir toutes les anatomies possibles (rotules hautes ou basses). Importantly, the length of the patellar shield (1) is determined to receive all possible anatomies (high or low kneecaps).

La prothèse mono-externe montrée figures 13, 14, 15 et 16 comprend seulement le lobe (3) dont le profil en section cor respond au rayon de courbure moyen du condyle externe. lsin- verse, la prothèse mono-interne montrée figures 17, 15, 19 et 20, comprend seulement le lobe (2) dont le profil en section correspond au rayon de courbure moyen du condyle interne. The mono-external prosthesis shown in Figures 13, 14, 15 and 16 only includes the lobe (3) whose profile in section corresponds to the mean radius of curvature of the external condyle. Conversely, the mono-internal prosthesis shown in FIGS. 17, 15, 19 and 20, comprises only the lobe (2) whose profile in section corresponds to the mean radius of curvature of the internal condyle.

D'une manière importante, chaque prothèse présente directement ou d'une manière rapportée, en fonction de la nature du matériau la composant, des plots d'ancrage (10). Ces plots sont convenablement positionnés en débordement de la face interne des prothèses pour résister aux différentes parties de pression auxquelles est soumise la prothèse. Importantly, each prosthesis has directly or in an attached manner, depending on the nature of the material composing it, anchoring studs (10). These studs are suitably positioned projecting from the internal face of the prostheses to resist the various pressure parts to which the prosthesis is subjected.

Selon l'invention, pour chaque type de prothèse, les plots (10)- ont la même implantation et la m#me forme. Deux plots sont formés en débordement de la face interne de chacun des lobes (2) et (3), tandis qu'un plot est formé en débordement de la face interne de la partie commune (5) relative au bouclier rotulien. La longueur du plot du bouclier rotulien est supérieure à celle des plots relatifs aux lobes (2) et (3). According to the invention, for each type of prosthesis, the studs (10) - have the same location and the same shape. Two studs are formed in overflow from the internal face of each of the lobes (2) and (3), while a stud is formed in overflow from the internal face of the common part (5) relating to the patellar shield. The length of the patellar shield stud is greater than that of the studs relating to the lobes (2) and (3).

Les plots d'ancrage des lobes (2) et (3) sont séparés et eventuellement prolongés latéralement par des toiles entretoisées (11). The lobe anchoring studs (2) and (3) are separated and possibly extended laterally by braced webs (11).

Selon l'invention, on a donc créé six types de prothè- ses pour chacun des genoux, chaque type étant réalisé de prXf6- rence en trois tailles, soit au total 36 prothèses. According to the invention, six types of prostheses were therefore created for each of the knees, each type being produced in three sizes, ie a total of 36 prostheses.

L'invention ne se limite aucunement à celui de ses modes d'applications non plus qu'à ceux des modes de réalisation de ses diverses parties ayant plus spécialement été indiquées ; elle en embrasse au contraire toutes les variantes.  The invention is in no way limited to that of its modes of application any more than to those of the embodiments of its various parts which have been more especially indicated; on the contrary, it embraces all its variants.

Claims (1)

REYEND I CÂT IONSREYEND I CÂT IONS -1- Ensemble prothétique pour l'articulation du genou, caracté- risé en ce qu'il comprend, pour chaque genou, six types de prothèses spécialement adaptés à la lésion à traiter, à savoir : - une prothèse trochléo-bicondylienne monobloc de base dont les formes et profils sont déterminés pour être adaptés a l'anatomie du genou notamment les condyles fémoraux - une prothèse trochléo-condylienne externe, une prothèse trochléo-condylienne interne, une prothèse rotulienne, une prothèse mono-externe, une prothèse mono-interne, chacune desdites prothèses présentant, selon son type, une ou plusieurs parties de mimes formes et profils que ceux de la prothèse trochléo- bicondylienne de base -2- Ensemble selon la revendication 1 dans lequel la prothèse trochléo-bicondylienne monobloc, est caractérisé par la forme anatomique particulière illustrée aux figures 1 à 4 des dessins selon laquelle elle comprend une partie (1) qui fait office de bouclier rotulien prolongé dans un plan perpendiculaire ou sensiblement perpendiculaire par deux lobes profilés (2) et (3) séparés par une échancrure (4) laissant susbister, entre lesdits lobes, une partie commune (5), le lobe (2) étant profilé en section pour correspondre au rayon moyen de courbure du condyle interne tandis que le lobe (3) est profilé en section pour correspondre au rayon de courbure moyen du condyle externe.-1- Prosthetic assembly for the knee joint, characterized in that it comprises, for each knee, six types of prosthesis specially adapted to the lesion to be treated, namely: - a basic monobloc trochleobicondylar prosthesis whose shapes and profiles are determined to be adapted to the anatomy of the knee, in particular the femoral condyles - an external trochleo-condylar prosthesis, an internal trochleo-condylar prosthesis, a patellar prosthesis, a mono-external prosthesis, a mono-internal prosthesis , each of said prostheses having, depending on its type, one or more parts of mimic shapes and profiles as those of the basic trochleobicondylar prosthesis -2- The assembly of claim 1 wherein the monobloc trochleo-bicondylar prosthesis, is characterized by the particular anatomical shape illustrated in Figures 1 to 4 of the drawings according to which it comprises a part (1) which acts as a patellar shield extended in a plane perpendicular or s substantially perpendicular by two profiled lobes (2) and (3) separated by a notch (4) allowing a common part (5) to lie between said lobes, the lobe (2) being profiled in section to correspond to the mean radius of curvature of the internal condyle while the lobe (3) is profiled in section to correspond to the mean radius of curvature of the external condyle. -3- Ensemble selon les revendications 1 et 2 ensemble, dans lequel la prothèse trochléo-condylienne interne est caractérisé par la forme anatomique particulière illustrée aux figures 5 à 8 des dessins selon laquelle elle comprend le bouclier rotulien (1) prolongé, d'un c8té seulement, dans un plan perpendiculaire ou sensiblement perpendiculaire, par le lobe (2) dont le profil en section correspond au rayon de courbure moyen du condyle in terne ; à l'opposé dudit lobe, la partie commune (5) étant coupée en biseau (6) selon un angle déterminé correspondant à la course rotulienne normale.-3- The assembly of claims 1 and 2 together, wherein the internal trochleo-condylar prosthesis is characterized by the particular anatomical shape illustrated in Figures 5 to 8 of the drawings according to which it comprises the patellar shield (1) extended, a c8té only, in a perpendicular or substantially perpendicular plane, by the lobe (2) whose profile in section corresponds to the mean radius of curvature of the internal condyle; opposite said lobe, the common part (5) being cut at a bevel (6) at a determined angle corresponding to the normal patellar stroke. -4- Ensemble selon les revendications 1 et 2 ensemble, dans lequel la prothèse trochléo-condylienne externe est caractérisée par la forme anatomique particulière illustrée aux figures 9 à 12 des dessins, selon laquelle elle comprend le bouclier rotulien (1) prolongé, d'un coté seulement, dans un plan perpendiculaire au sensiblement perpendiculaire, par le lobe (3 > dont le profil en section correspond au rayon de courbure moyen du condyle externe ; a l'opposé dudit lobe, la partie commune (5) étant coupée en biseau (7) selon un angle déterminé correspondant à la course rotulienne normale.-4- The assembly of claims 1 and 2 together, wherein the external trochleocondylar prosthesis is characterized by the particular anatomical shape illustrated in Figures 9 to 12 of the drawings, according to which it comprises the patellar shield (1) extended, only one side, in a plane perpendicular to substantially perpendicular, by the lobe (3> whose profile in section corresponds to the mean radius of curvature of the external condyle; opposite to said lobe, the common part (5) being cut at a bevel (7) at a determined angle corresponding to the normal patellar stroke. -5- Ensemble selon les revendications 1 et 2 ensemble dans lequel la prothèse rotulienne, est caractérisé par la forme anato inique particulière illustrée aux figures 21 à 24 des dessins, selon laquelle elle comprend le bouclier rotulien (t) prolongé d'un plan perpendiculaire ou sensiblement perpendiculaire, par la partie commune (5) dont les extrémités latérales t8) et (9) sont coupées en biseau pour correspondre respectivement à la course rotulienne externe et interne.-5- The assembly of claims 1 and 2 assembly in which the patellar prosthesis, is characterized by the particular anatomical shape illustrated in Figures 21 to 24 of the drawings, according to which it comprises the patellar shield (t) extended by a perpendicular plane or substantially perpendicular, by the common part (5) whose lateral ends t8) and (9) are cut at a bevel to correspond respectively to the external and internal patellar stroke. -6- Ensemble selon l'une quelconque des revendications 2, 3, 4 et 5, caractérisé en ce que la longueur du bouclier rotulien (1 > est déterminée pour recevoir toutes les anatomies possibles.-6- An assembly according to any one of claims 2, 3, 4 and 5, characterized in that the length of the patellar shield (1> is determined to receive all possible anatomies. -7- Ensemble selon les revendications 1 et 2 ensemble, dans lequel la prothèse mono-externe est caractérisée par la forme par ticulière anatomique illustrée aux figures 13 à 16 des dessins, selon laquelle elle comprend seulement le lobe (3) dont le profil en section correspond au rayon de courbure moyen du condyle externe. -7- The assembly of claims 1 and 2 together, wherein the mono-external prosthesis is characterized by the shape by anatomical particular illustrated in Figures 13 to 16 of the drawings, according to which it comprises only the lobe (3) whose profile section corresponds to the mean radius of curvature of the external condyle. -8- Ensemble selon les revendications 1 et 2 ensemble, dans lequel la prothèse mono-interne est caractérisée par la forme par ticulière anatomique illustrée aux figures 17 à 20 des dessins, selon laquelle elle comprend seulement le lobe (2) dont le profil en section correspond au rayon de courbure moyen du condyle interne. -8- The assembly of claims 1 and 2 together, wherein the mono-internal prosthesis is characterized by the shape by anatomical particular illustrated in Figures 17 to 20 of the drawings, according to which it comprises only the lobe (2) whose profile section corresponds to the mean radius of curvature of the internal condyle. -9- Ensemble selon l'une quelconque des revendications 2 à 8, caractérisé en ce que chaque type de prothèses présente en d6- bordement de sa face interne des plots d'ancrage (10) convenablement positionnés pour résister aux différentes pressions exercées. -9- An assembly according to any one of claims 2 to 8, characterized in that each type of prosthesis has d6- edge of its internal face of the anchoring pads (10) suitably positioned to withstand the various pressures exerted. -10- Ensemble selon la revendication 9, caractérisé en ce que, pour chaque type de prothèse, les plots (10) ont la même forme et la même implantation, deux plots étant formés en débordement de la face interne de chacun des lobes (2) et (3 > , tandis qu'un plot est formé en débordement de la face interne de la partie commune (5). -10- An assembly according to claim 9, characterized in that, for each type of prosthesis, the studs (10) have the same shape and the same location, two studs being formed projecting from the internal face of each of the lobes (2 ) and (3>, while a stud is formed overflowing the internal face of the common part (5).
FR8517203A 1985-11-14 1985-11-14 KNEE JOINT PROSTHETIC ASSEMBLY Pending FR2589720A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8517203A FR2589720A1 (en) 1985-11-14 1985-11-14 KNEE JOINT PROSTHETIC ASSEMBLY
EP19860906839 EP0245410A1 (en) 1985-11-14 1986-11-13 Prosthetic assembly for the knee joint
PCT/FR1986/000383 WO1987002882A1 (en) 1985-11-14 1986-11-13 Prosthetic assembly for the knee joint
AU66246/86A AU6624686A (en) 1985-11-14 1986-11-13 Prosthetic assembly for the knee joint

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EP0327387A2 (en) * 1988-02-05 1989-08-09 Btg International Limited Orthopaedic joint components, tools and methods
FR2635679A1 (en) * 1988-09-01 1990-03-02 Legroux Philippe Double-condyle sliding prosthesis for knee joint
FR2677880A1 (en) * 1991-06-20 1992-12-24 Medinov Single-compartment knee prosthesis
WO1997043985A1 (en) * 1996-05-23 1997-11-27 Daniel Stein Patello-femoral joint replacement device and method
US5824098A (en) * 1994-10-24 1998-10-20 Stein; Daniel Patello-femoral joint replacement device and method
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WO2002102254A3 (en) * 2001-06-14 2003-05-22 Gerard Engh Apparatus and method for sculpting the surface of a bone joint
EP1484036A1 (en) * 2001-12-10 2004-12-08 Nakashima Propeller Co., Ltd. Femoral component and artificial knee joint
EP1686931A1 (en) * 2003-11-25 2006-08-09 Conformis, Inc. Patient selectable knee joint arthroplasty devices
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US7796791B2 (en) 2002-11-07 2010-09-14 Conformis, Inc. Methods for determining meniscal size and shape and for devising treatment
US7799077B2 (en) 2002-10-07 2010-09-21 Conformis, Inc. Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces
US7881768B2 (en) 1998-09-14 2011-02-01 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and devising treatment
US7896922B2 (en) 2001-06-14 2011-03-01 Alexandria Research Technologies, Llc Implants for partial knee arthroplasty
US7918893B2 (en) 2007-09-30 2011-04-05 Depuy Products, Inc. Hinged orthopaedic prosthesis
US8002840B2 (en) 2004-01-12 2011-08-23 Depuy Products, Inc. Systems and methods for compartmental replacement in a knee
US8036729B2 (en) 1998-09-14 2011-10-11 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and devising treatment
US8157867B2 (en) 2004-07-09 2012-04-17 Zimmer, Inc. Trochlear groove implants and related methods and instruments
US8234097B2 (en) 2001-05-25 2012-07-31 Conformis, Inc. Automated systems for manufacturing patient-specific orthopedic implants and instrumentation
US8265730B2 (en) 1998-09-14 2012-09-11 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and preventing damage
US8337507B2 (en) 2001-05-25 2012-12-25 Conformis, Inc. Methods and compositions for articular repair
US8480754B2 (en) 2001-05-25 2013-07-09 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US8535383B2 (en) 2004-01-12 2013-09-17 DePuy Synthes Products, LLC Systems and methods for compartmental replacement in a knee
US8556983B2 (en) 2001-05-25 2013-10-15 Conformis, Inc. Patient-adapted and improved orthopedic implants, designs and related tools
US8617242B2 (en) 2001-05-25 2013-12-31 Conformis, Inc. Implant device and method for manufacture
US8682052B2 (en) 2008-03-05 2014-03-25 Conformis, Inc. Implants for altering wear patterns of articular surfaces
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US8882847B2 (en) 2001-05-25 2014-11-11 Conformis, Inc. Patient selectable knee joint arthroplasty devices
US9020788B2 (en) 1997-01-08 2015-04-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US9286686B2 (en) 1998-09-14 2016-03-15 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and assessing cartilage loss
US9308091B2 (en) 2001-05-25 2016-04-12 Conformis, Inc. Devices and methods for treatment of facet and other joints
US9603711B2 (en) 2001-05-25 2017-03-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
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FR2626461A1 (en) * 1988-01-29 1989-08-04 Broc Christian FEMORAL IMPLANT FOR BI-COMPARTMENTAL PROSTHESIS OF KNEE JOINT
EP0328463A1 (en) * 1988-01-29 1989-08-16 Christian Broc Femoral implant for a two-part knee joint prosthesis
EP0327387A2 (en) * 1988-02-05 1989-08-09 Btg International Limited Orthopaedic joint components, tools and methods
EP0327387A3 (en) * 1988-02-05 1990-03-21 National Research Development Corporation Orthopaedic joint components, tools and methods
FR2635679A1 (en) * 1988-09-01 1990-03-02 Legroux Philippe Double-condyle sliding prosthesis for knee joint
FR2677880A1 (en) * 1991-06-20 1992-12-24 Medinov Single-compartment knee prosthesis
US5824098A (en) * 1994-10-24 1998-10-20 Stein; Daniel Patello-femoral joint replacement device and method
WO1997043985A1 (en) * 1996-05-23 1997-11-27 Daniel Stein Patello-femoral joint replacement device and method
US9020788B2 (en) 1997-01-08 2015-04-28 Conformis, Inc. Patient-adapted and improved articular implants, designs and related guide tools
US9286686B2 (en) 1998-09-14 2016-03-15 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and assessing cartilage loss
US7881768B2 (en) 1998-09-14 2011-02-01 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and devising treatment
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US8306601B2 (en) 1998-09-14 2012-11-06 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and devising treatment
US8265730B2 (en) 1998-09-14 2012-09-11 The Board Of Trustees Of The Leland Stanford Junior University Assessing the condition of a joint and preventing damage
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WO2001034069A1 (en) * 1999-11-09 2001-05-17 Waldemar Link (Gmbh & Co.) Knee prosthesis system
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US9055953B2 (en) 2001-05-25 2015-06-16 Conformis, Inc. Methods and compositions for articular repair
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US8556983B2 (en) 2001-05-25 2013-10-15 Conformis, Inc. Patient-adapted and improved orthopedic implants, designs and related tools
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WO2002102254A3 (en) * 2001-06-14 2003-05-22 Gerard Engh Apparatus and method for sculpting the surface of a bone joint
US6723102B2 (en) 2001-06-14 2004-04-20 Alexandria Research Technologies, Llc Apparatus and method for minimally invasive total joint replacement
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EP1484036A1 (en) * 2001-12-10 2004-12-08 Nakashima Propeller Co., Ltd. Femoral component and artificial knee joint
US8709089B2 (en) 2002-10-07 2014-04-29 Conformis, Inc. Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces
US7799077B2 (en) 2002-10-07 2010-09-21 Conformis, Inc. Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces
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US8002840B2 (en) 2004-01-12 2011-08-23 Depuy Products, Inc. Systems and methods for compartmental replacement in a knee
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AU6624686A (en) 1987-06-02
EP0245410A1 (en) 1987-11-19
WO1987002882A1 (en) 1987-05-21

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