FR2594323A1 - Cementless total ball joint prosthesis - Google Patents
Cementless total ball joint prosthesis Download PDFInfo
- Publication number
- FR2594323A1 FR2594323A1 FR8602167A FR8602167A FR2594323A1 FR 2594323 A1 FR2594323 A1 FR 2594323A1 FR 8602167 A FR8602167 A FR 8602167A FR 8602167 A FR8602167 A FR 8602167A FR 2594323 A1 FR2594323 A1 FR 2594323A1
- Authority
- FR
- France
- Prior art keywords
- spoon
- patellar
- prosthesis
- patella
- lower element
- 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
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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
- A61F2/38—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
- A61F2/3877—Patellae or trochleae
- A61F2002/3881—Patellae or trochleae with moving parts
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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
Description
La présente invention a pour objet une prothèse complète ou totale fémorale ou patellaire destinée à remplacer la rotule naturelle et c'est pourquoi cette prothèse rotulienne est nécessairement la plus anatomique possible et permet éventuellement une correction des déformations congénitales. The present invention relates to a complete or total femoral or patellar prosthesis intended to replace the natural patella and this is why this patellar prosthesis is necessarily the most anatomical possible and possibly allows a correction of congenital deformations.
Soit du fait d'un accident ou soit du fait d'une malformation, la chirurgie moderne est amenée à substituer la rotule naturelle par une prothèse totale, mais les prothèses actuelles n'ont pas toujours donné satisfaction, surtout en ce qui concerne les mouvements d' extension-flexion. Either because of an accident or because of a malformation, modern surgery is led to replace the natural patella with a total prosthesis, but current prostheses have not always been satisfactory, especially with regard to movements extension-flexion.
La présente invention remédie à ces inconvénients en créant une prothèse totale rotulienne sans limitation dans les mouvements d'extension-flexion, même au-delà d'un angle de 1000. De plus, cette prothèse n'est pas traumatisante et autorise une réimplantation ultérieure d'un autre élément prothétique identique ou d'une autre prothèse de genou. The present invention overcomes these drawbacks by creating a total patellar prosthesis without limitation in extension-flexion movements, even beyond an angle of 1000. In addition, this prosthesis is not traumatic and allows subsequent reimplantation another identical prosthetic element or another knee prosthesis.
Bien entendu, il est nécessaire de prévoir pour les pièces de la prothèse constituée par un élément fémoral et un élément patellaire des tailles diverses suivant la corpulence de l'individu et également un élément droit ou gauche afin de correspondre à la conformation naturelle du patient. Of course, it is necessary to provide for the parts of the prosthesis constituted by a femoral element and a patellar element of various sizes according to the size of the individual and also a right or left element in order to correspond to the natural conformation of the patient.
Conformément à l'invention, la prothèse complète de rotule sans ciment employée dans la zone patellaire autorisant des mouvements sans limitation d'extension-flexion est caractérisée en ce qu'elle comporte une cuillère fémorale de forme anatomique convenablement fixée sur la base du fémur et dont la face supérieure lisse anatomique coopère avec une pièce rotulienne ou patellaire composée de deux éléments supérieur et inférieur relies l'un à l'autre par tenon, l'élément inférieur étant métallique et l'élément supérieur étant en une matière plastique moulable autorisant une parfaite tolérance avec l'organisme, la partie métallique de la cuillère et l'élément inférieur de la prothèse patellaire étant réalisés en métal fondu répondant aux normes pour la chirurgie et présentant sur leurs faces arrière un revêtement de billes micrométriques (microbilles) afin d'offrir de multiples petites cavités pour que les fibres osseuses y pénètrent en assurant ainsi un blocage biomécanique parfait. According to the invention, the complete cementless patella prosthesis used in the patellar area allowing movements without limitation of extension-flexion is characterized in that it comprises a femoral spoon of anatomical shape suitably fixed on the base of the femur and whose smooth anatomical upper face cooperates with a patellar or patellar part composed of two upper and lower elements connected to one another by tenon, the lower element being metallic and the upper element being made of a moldable plastic material allowing a perfect tolerance with the body, the metal part of the spoon and the lower element of the patellar prosthesis being made of molten metal meeting standards for surgery and having on their rear faces a coating of micrometric beads (microbeads) in order to offer multiple small cavities for the bone fibers to penetrate, thus ensuring perfect biomechanical blocking.
Suivant une autre caractéristique de l'invention, la prothèse est caractérisée en ce que la fixation de la rotule sur la zone patellaire ou partie supérieure du tibia est réaliséepar un plot d'ancrage central à ailettes et des picots assurant le blocage anti-rotation. According to another characteristic of the invention, the prosthesis is characterized in that the fixing of the patella on the patellar zone or upper part of the tibia is carried out by a central anchoring stud with fins and pins ensuring anti-rotation blocking.
Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit. Various other characteristics of the invention will also emerge from the detailed description which follows.
Une forme de réalisation de l'objet de l'invention est représentée, à titre d'exemple non limitatif, au dessin annexe. An embodiment of the object of the invention is shown, by way of nonlimiting example, in the accompanying drawing.
La fig. 1 est une élévation latérale schématique partielle d'une rotule humaine comportant le fémur, la rotule et le tibia considérés. Fig. 1 is a partial schematic side elevation of a human patella comprising the femur, the patella and the tibia considered.
La fig. 2 est une vue à plus grande échelle de la partie terminale inférieure d'un fémur qui a été préparé et revêtu de la partie fémorale de la prothèse totale de l'invention, cette vue montrant également en perspective les deux éléments constituant la partie rotulienne. Fig. 2 is a view on a larger scale of the lower terminal part of a femur which has been prepared and coated with the femoral part of the total prosthesis of the invention, this view also showing in perspective the two elements constituting the patellar part.
La fig. 3 est une élévatIon latérale de la partie métallique fémorale. Fig. 3 is a side elevation of the femoral metal part.
La fig. 4 est une vue en perspective arrière de la partie métallique fémorale avec son axe convergent. Fig. 4 is a rear perspective view of the femoral metal part with its converging axis.
La fig. 5 est un plan transversal de la partie rotulienne. Fig. 5 is a transverse plane of the patellar part.
La fig. 6 est un plan longitudinal de la partie rotulienne. Fig. 6 is a longitudinal plane of the patellar part.
Le fémur l est normalement relié au tibia 2 par une rotule 3 qui peut, si le patient a eu un accident ou une déformation congénitale, avoir de grosses difficultés à fonctionner si bien qu'on est amené par voie chirurgicale à supprimer toute ou partie de la rotule 3 et à remplacer cette dernière par une prothèse qui, dans le cas présent, est constituée à la partie inférieure ou basse de l'extrémité terminale du fémur par une cuillère 4 réalisée en métal fondu répondant aux normes actuelles pour la chirurgie. La face supe- rieure 4a de la cuillère ou élément fémoral est parfaitement lisse, polie de façon à obtenir une surface parfaite.Par contre, la face inférieure 4b est revêtue de billes micrométriques (microbilles) en même matière que la cuillère, pour offrir de multiples petites cavités afin que les fibres osseuses y pénètrent en assurant ainsi un blocage bio-mécanique parfait. The femur 1 is normally connected to the tibia 2 by a kneecap 3 which can, if the patient has had an accident or congenital deformation, have great difficulty in functioning so that one is brought surgically to remove all or part of the patella 3 and to replace the latter by a prosthesis which, in the present case, is formed at the lower or lower part of the terminal end of the femur by a spoon 4 made of molten metal meeting current standards for surgery. The upper face 4a of the spoon or femoral element is perfectly smooth, polished so as to obtain a perfect surface. On the other hand, the lower face 4b is coated with micrometric balls (microbeads) in the same material as the spoon, to offer multiple small cavities so that the osseous fibers penetrate there by thus ensuring a perfect bio-mechanical blocking.
C#r.c le montrera les fig. 2, 3 et 4, il est prévu de l'échancrure condylienne fémorale 1 un canal borgne 6 que le chirurgien pratique au moment de l'intervention afin d'y faire pénétrer une tige d'ancrage médullaire 7 avec ergot anti-recul 8 qui assure, du fait que son axe X-X1 fait avec l'axe médian Y-Y1 de la face supérieure de la cuillère 4 un angle compris entre 2 et 50 et en général 30, un effet de contrainte garan- tissant une stabilisation mécanique. C # r.c will show it in figs. 2, 3 and 4, there is provision for the femoral condylar notch 1 a blind channel 6 which the surgeon practices at the time of the intervention in order to penetrate there a medullary anchoring rod 7 with anti-recoil lug 8 which ensures, owing to the fact that its axis X-X1 forms with the median axis Y-Y1 of the upper face of the spoon 4 an angle between 2 and 50 and in general 30, a stress effect guaranteeing mechanical stabilization.
Lorsqu'on examine les fig. 2, 5 et 6, on cons- tate que la prothèse rotulienne ou patellaire est en deux éléments indissociables : une partie supérieure 10 convenablement conformée pour travailler sur la face supérieure de la cuillère 4 qui se fixe par un tenon ll à un élément inférieur 14 en métal (en général un métal fondu identi que à celui utilisé pour la cuillère 4) dont la face externe 15 est recouverte de billes micrométriques (microbilles) dont la fonction est identique à celle de la cuillère 4, mais on remarque également que l'élément inférieur 14 présente un plot d'ancrage central 16 à ailettes 17 et des picots 18 assurant le blocage antirotation. L'ancrage de cette prothèse rotulienne est fait sur une partie de la rotule naturelle restante ou sur l'extrémité supérieure du tibia, avant la jonction du péroné. When examining Figs. 2, 5 and 6, it can be seen that the patellar or patellar prosthesis is in two inseparable elements: an upper part 10 suitably shaped to work on the upper face of the spoon 4 which is fixed by a lug 11 to a lower element 14 metal (generally a molten metal identical to that used for the spoon 4) whose external face 15 is covered with micrometric balls (microbeads) whose function is identical to that of the spoon 4, but we also note that the lower element 14 has a central anchoring stud 16 with fins 17 and pins 18 ensuring the anti-rotation blocking. The anchoring of this patellar prosthesis is made on a part of the remaining natural patella or on the upper end of the tibia, before the junction of the fibula.
Bien que cela ne soit pas absolument nécessaire, mais pour faciliter la réalisation de la partie supérieure 10, celle-ci est le plus souvent obtenue par moulage de polyéthylène. En tout cas, on est amené à utiliser une matière plastique convenable suffisamment dure et tolérable sans rejet par l'organisme. Although this is not absolutely necessary, but to facilitate the production of the upper part 10, it is most often obtained by molding of polyethylene. In any case, we are led to use a suitable plastic which is sufficiently hard and tolerable without rejection by the body.
Bien entendu, la face interne de la partie supérieure 10 qui est lisse et plane vient s'appliquer le plus souvent par encliquetage 20 sur l'élément inférieur métallique 14 afin de laisser libre le mouvement de rotation. La surface supérieure de la partie supérieure 10 qui a une forme concurrente avec la forme de la cuillère 4 a une forme anatomique. Of course, the internal face of the upper part 10 which is smooth and planar is most often applied by snap-fastening 20 on the lower metallic element 14 in order to allow the rotational movement to be free. The upper surface of the upper part 10 which has a shape competing with the shape of the spoon 4 has an anatomical shape.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8602167A FR2594323B1 (en) | 1986-02-18 | 1986-02-18 | CEMENT-FREE BALL JOINT PROSTHESIS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8602167A FR2594323B1 (en) | 1986-02-18 | 1986-02-18 | CEMENT-FREE BALL JOINT PROSTHESIS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2594323A1 true FR2594323A1 (en) | 1987-08-21 |
FR2594323B1 FR2594323B1 (en) | 1995-10-20 |
Family
ID=9332231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8602167A Expired - Fee Related FR2594323B1 (en) | 1986-02-18 | 1986-02-18 | CEMENT-FREE BALL JOINT PROSTHESIS |
Country Status (1)
Country | Link |
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FR (1) | FR2594323B1 (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2629338A1 (en) * | 1988-04-01 | 1989-10-06 | Broc Christian | FEMORO-ROTULAR IMPLANT |
US4944756A (en) * | 1988-02-03 | 1990-07-31 | Pfizer Hospital Products Group | Prosthetic knee joint with improved patellar component tracking |
WO1990014805A1 (en) * | 1989-06-02 | 1990-12-13 | Chas F Thackray Limited | Improvements in and relating to patellar components |
EP0437173A1 (en) * | 1990-01-12 | 1991-07-17 | GebràDer Sulzer Aktiengesellschaft | Implant serving as a guide element for the patella |
FR2682589A1 (en) * | 1991-10-16 | 1993-04-23 | Laboureau Jacques Philippe | Trochlear element for femoral/knee ball prosthesis |
FR2727308A1 (en) * | 1994-11-28 | 1996-05-31 | Prothese Dentaire Chibrac Sa | JOINT IMPLANT |
WO1997025006A1 (en) * | 1996-01-03 | 1997-07-17 | Imperial College Of Science, Technology & Medicine | Patellofemoral joint prosthesis |
US6616696B1 (en) | 1998-09-04 | 2003-09-09 | Alan C. Merchant | Modular knee replacement system |
US6709460B2 (en) | 2000-03-21 | 2004-03-23 | Alan C. Merchant | Patellar bearing implant |
WO2004064690A1 (en) * | 2003-01-21 | 2004-08-05 | Centerpulse Orthopedics Inc. | Multi-piece modular patellar prosthetic system |
EP1711131A2 (en) * | 2004-01-12 | 2006-10-18 | Paul A. Lotke | Patello-femoral prosthesis |
EP1955677A3 (en) * | 2007-02-06 | 2008-09-10 | Zimmer Technology, Inc. | Femoral trochlea prostheses |
GB2433698B (en) * | 2005-12-28 | 2010-06-02 | Derek James Wallace Mcminn | Improvements in or relating to knee prosthesis |
US8128704B2 (en) | 2007-02-06 | 2012-03-06 | Zimmer, Inc. | Femoral trochlea prostheses |
US8157867B2 (en) | 2004-07-09 | 2012-04-17 | Zimmer, Inc. | Trochlear groove implants and related methods and instruments |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2356465A1 (en) * | 1976-07-02 | 1978-01-27 | Benoist Girard & Cie | PROCESS FOR MANUFACTURING PARTS WITH A GRENUE SURFACE AND PART OBTAINED, IN PARTICULAR SURGICAL PROSTHESES |
US4094017A (en) * | 1977-02-16 | 1978-06-13 | Larry Stanford Matthews | Knee joint prosthesis with patellar-femoral contact |
FR2445136A1 (en) * | 1978-12-27 | 1980-07-25 | Imbert Jean Claude | Total prosthetic replacement for femoro-patellar articulation - comprises convex patellar component with parallel fixing flanges and concave rail on femur over which it slides |
FR2521421A1 (en) * | 1982-02-18 | 1983-08-19 | Grammont Paul | TOTAL TROCHLEO-PATTELLAR KNEE PROSTHESIS |
GB2150441A (en) * | 1983-11-28 | 1985-07-03 | Larry S Matthews | Prosthesis having an improved interface surface |
-
1986
- 1986-02-18 FR FR8602167A patent/FR2594323B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2356465A1 (en) * | 1976-07-02 | 1978-01-27 | Benoist Girard & Cie | PROCESS FOR MANUFACTURING PARTS WITH A GRENUE SURFACE AND PART OBTAINED, IN PARTICULAR SURGICAL PROSTHESES |
US4094017A (en) * | 1977-02-16 | 1978-06-13 | Larry Stanford Matthews | Knee joint prosthesis with patellar-femoral contact |
FR2445136A1 (en) * | 1978-12-27 | 1980-07-25 | Imbert Jean Claude | Total prosthetic replacement for femoro-patellar articulation - comprises convex patellar component with parallel fixing flanges and concave rail on femur over which it slides |
FR2521421A1 (en) * | 1982-02-18 | 1983-08-19 | Grammont Paul | TOTAL TROCHLEO-PATTELLAR KNEE PROSTHESIS |
GB2150441A (en) * | 1983-11-28 | 1985-07-03 | Larry S Matthews | Prosthesis having an improved interface surface |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4944756A (en) * | 1988-02-03 | 1990-07-31 | Pfizer Hospital Products Group | Prosthetic knee joint with improved patellar component tracking |
FR2629338A1 (en) * | 1988-04-01 | 1989-10-06 | Broc Christian | FEMORO-ROTULAR IMPLANT |
EP0336861A1 (en) * | 1988-04-01 | 1989-10-11 | Christian Broc | Implant femoro-patellar |
WO1990014805A1 (en) * | 1989-06-02 | 1990-12-13 | Chas F Thackray Limited | Improvements in and relating to patellar components |
US5314480A (en) * | 1989-06-02 | 1994-05-24 | Depuy International Ltd. | Patellar components |
EP0437173A1 (en) * | 1990-01-12 | 1991-07-17 | GebràDer Sulzer Aktiengesellschaft | Implant serving as a guide element for the patella |
CH680646A5 (en) * | 1990-01-12 | 1992-10-15 | Sulzer Ag | |
FR2682589A1 (en) * | 1991-10-16 | 1993-04-23 | Laboureau Jacques Philippe | Trochlear element for femoral/knee ball prosthesis |
FR2727308A1 (en) * | 1994-11-28 | 1996-05-31 | Prothese Dentaire Chibrac Sa | JOINT IMPLANT |
WO1996016613A1 (en) * | 1994-11-28 | 1996-06-06 | Laboratoire De Prothese Dentaire Chibrac S.A. | Joint implant and ancillary therefor |
WO1997025006A1 (en) * | 1996-01-03 | 1997-07-17 | Imperial College Of Science, Technology & Medicine | Patellofemoral joint prosthesis |
US6616696B1 (en) | 1998-09-04 | 2003-09-09 | Alan C. Merchant | Modular knee replacement system |
US6709460B2 (en) | 2000-03-21 | 2004-03-23 | Alan C. Merchant | Patellar bearing implant |
WO2004064690A1 (en) * | 2003-01-21 | 2004-08-05 | Centerpulse Orthopedics Inc. | Multi-piece modular patellar prosthetic system |
EP1711131A2 (en) * | 2004-01-12 | 2006-10-18 | Paul A. Lotke | Patello-femoral prosthesis |
US9675463B2 (en) | 2004-01-12 | 2017-06-13 | Paul A. Lotke | Patello-femoral prosthesis |
EP1711131A4 (en) * | 2004-01-12 | 2010-01-06 | Paul A Lotke | Patello-femoral prosthesis |
US8852195B2 (en) | 2004-07-09 | 2014-10-07 | Zimmer, Inc. | Guide templates for surgical implants and related methods |
US8157867B2 (en) | 2004-07-09 | 2012-04-17 | Zimmer, Inc. | Trochlear groove implants and related methods and instruments |
US7878989B2 (en) | 2005-12-28 | 2011-02-01 | Mcminn Derek James Wallace | Knee prostheses |
GB2433698B (en) * | 2005-12-28 | 2010-06-02 | Derek James Wallace Mcminn | Improvements in or relating to knee prosthesis |
US8128704B2 (en) | 2007-02-06 | 2012-03-06 | Zimmer, Inc. | Femoral trochlea prostheses |
US7582118B2 (en) | 2007-02-06 | 2009-09-01 | Zimmer Technology, Inc. | Femoral trochlea prostheses |
US8888858B2 (en) | 2007-02-06 | 2014-11-18 | Zimmer, Inc. | Femoral trochlea prostheses |
US9566160B2 (en) | 2007-02-06 | 2017-02-14 | Zimmer, Inc. | Femoral trochlea prostheses |
EP1955677A3 (en) * | 2007-02-06 | 2008-09-10 | Zimmer Technology, Inc. | Femoral trochlea prostheses |
Also Published As
Publication number | Publication date |
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FR2594323B1 (en) | 1995-10-20 |
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