DE2543911A1 - PROSTHETIC JOINT - Google Patents

PROSTHETIC JOINT

Info

Publication number
DE2543911A1
DE2543911A1 DE19752543911 DE2543911A DE2543911A1 DE 2543911 A1 DE2543911 A1 DE 2543911A1 DE 19752543911 DE19752543911 DE 19752543911 DE 2543911 A DE2543911 A DE 2543911A DE 2543911 A1 DE2543911 A1 DE 2543911A1
Authority
DE
Germany
Prior art keywords
joint
joint part
stem
sleeve
bone
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.)
Withdrawn
Application number
DE19752543911
Other languages
German (de)
Inventor
Reginald Arnold Elson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELSON REGINELD ARNOLD
Original Assignee
ELSON REGINELD ARNOLD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ELSON REGINELD ARNOLD filed Critical ELSON REGINELD ARNOLD
Publication of DE2543911A1 publication Critical patent/DE2543911A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/38Joints for elbows or knees
    • A61F2/3836Special connection between upper and lower leg, e.g. constrained
    • A61F2/384Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30354Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30362Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
    • A61F2002/30364Rotation about the common longitudinal axis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3082Grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30907Nets or sleeves applied to surface of prostheses or in cement
    • A61F2002/30919Sleeves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4631Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit

Landscapes

  • 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)

Description

Die Erfindung bezieht sich auf ein prothetisches Gelenk, bestehend aus einem ersten Gelenkteil zur Einbringung in einen Knochen und einem zweiten Gelenkteil zur Einbringung in einen anderen Knochen zur Bildung einer scharnierartigen Verbindung mit dem ersten Gelenkteil οThe invention relates to a prosthetic joint consisting of from a first joint part for insertion into a bone and a second joint part for insertion into one other bone to form a hinge-like connection with the first joint part ο

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, Mittel zu schaffen, mit deren Hilfe bei einem künstlichen scharnierartigen Gelenk die dort auftretenden Torsionsbeanspruchungen vermindert werden können, die sich nachteilig auf die Festigkeit der Teile des Gelenks oder dieThe present invention has for its object to provide means with the help of an artificial hinge-like The torsional stresses occurring there can be reduced, which is detrimental to the joint Strength of the parts of the joint or the

-2--2-

$09815/0442$ 09815/0442

Festigkeit der Verbindungen zu den Knochen auswirkenοThe strength of the connections to the bones ο

Diese Aufgabe ist gemäß der Erfindung dadurch gelöst, daß der in einem der besagten Knochen befestigte Gelenkteil ein Hülsenteil aufweist, in dem ein Stiel drehbar gelagert ist, um eine relative Längsdrehung zwischen den genannten Knochen zu ermöglichen.This object is achieved according to the invention in that the joint part fastened in one of said bones is a Has sleeve part in which a stem is rotatably mounted to a relative longitudinal rotation between said bones to enable.

Auf diese Weise werden durch Einbringung einer Drehfreiheit in die Längsachse des Gelenksystems die bekannten prothetischen Gelenke wesentlich verbessert·In this way, by introducing freedom of rotation in the longitudinal axis of the joint system, the known prosthetic Joints significantly improved

Die Erfindung findet besondere Anwendung als prothetisches Kniegelenk, in welchem Falle das Gelenk einen Schienbeinteil und einen Oberschenkelteil umfaßt, von denen jeder die Form eines Hülsenteils mit drehbarem Stiel aufweisen kann·The invention has particular application as a prosthetic knee joint, in which case the joint is a tibial part and a thigh portion, each of which may be in the form of a sleeve portion with a rotatable handle.

In einer Ausführungsform der vorliegenden Erfindung weist das prothetische Kniegelenk einen Schienbeinteil auf, der einen Stiel aufweist zur drehbaren Anbringung innerhalb der Hülse, die in das Schienbein eingebracht worden ist und eine sich quer zum Stiel erstreckende Spindel, die die Anbringung innerhalb irgendeines Mechanismus, der die Befestigung am Oberschenkelknochen erlaubt und für eine Bewegung sorgt, die dem Beugen und Strecken des Knies ähnelt·In one embodiment of the present invention, the prosthetic knee joint has a tibial portion having a stem for rotatable attachment within the Sleeve that has been inserted into the tibia and a spindle extending transversely to the stem that makes the attachment within any mechanism that allows attachment to the femur and provides movement that is similar to bending and stretching the knee

Ein Ausführungsbeispiel der Erfindung ist unter Bezugnahme auf die beigefügte Zeichnung beschrieben. Im einzelnen zeigen:An embodiment of the invention is described with reference to the accompanying drawing. Show in detail:

Fig. 1 einen Querschnitt durch einen Teil eines menschlichen Beins, das ein künstliches Gelenk gemäß der Erfindung in entsprechender Lage aufweist;Fig. 1 is a cross section through part of a human leg having an artificial joint according to the Invention has in a corresponding position;

Fig. 2 einen Schnitt nach der Linie X-Y von Figo 1.Fig. 2 shows a section along the line XY of FIG o 1.

Gemäß den Zeichnungen besteht die Prothese aus einem Schienbeinteil, das einen Stiel 1 aus Metall umfaßt, und derAccording to the drawings, the prosthesis consists of a tibia part, which comprises a stem 1 made of metal, and the

609815/04A2609815 / 04A2

Stiel besteht aus einem unteren Stück 2, das sich innerhalb des Schienbeins 3 befindet, und einem oberen Ansatz 4, dessen Achse einen stumpfen Winkel Q mit der Achse des unteren Stückes 2 bildeteThe stem consists of a lower piece 2, which is located inside the tibia 3, and an upper extension 4, the axis of which forms an obtuse angle Q with the axis of the lower piece 2

Das Oberschenkelstück der Prothese ist in den Zeichnungen nicht dargestellt und kann beispielsweise demjenigen ähneln, das in der britischen Patentschrift Nr. 1,349,587 beschrieben istο Dort ist eine drehbar gelagerte Spindel vorgesehen, die sich quer zum Stiel erstreckt, zur Anordnung bzw· Unterbringung innerhalb der Oberschenkelknochen. An den gegenüberliegenden Enden der Spindel sind zwei für die Verankerung in den Oberschenkelknochen bestimmte Lagerbuchsen vorgesehene Das Oberschenkelstück der Prothese kann sowohl in der Konstruktion bzwo im Entwurf als auch im Prinzip vollständig verschieden von dem in der obenerwähnten Patentschrift beschriebenen Stück sein.The thigh piece of the prosthesis is in the drawings not shown and may for example be similar to that described in British Patent No. 1,349,587 istο A rotatably mounted spindle is provided there, which extends transversely to the handle, for arrangement or accommodation within the femur. At the opposite ends of the spindle are two for anchoring The thigh section of the prosthesis can be used in both the construction or the design as well as in principle completely different from that in the above-mentioned patent described piece.

Das untere Stück 2 von dem Stiel 1 ist zylindrisch in der Form und ist frei drehbar im oberen Hülsenstück 5 des aus Kunststoff bestehenden Gelenkteils 6 untergebracht. Der Stiel 1 umfaßt ferner eine ringförmige Schulter 7, die mit der oberen ringförmigen Fläche von Hülsenstück 5 zusammenwirkt .The lower piece 2 of the stem 1 is cylindrical in shape and is freely rotatable in the upper sleeve piece 5 of the from Plastic existing joint part 6 housed. The stem 1 further comprises an annular shoulder 7, which with the upper annular surface of the sleeve piece 5 cooperates.

Das Gelenkteil 6 umfaßt ein eingebautes verjüngtes Zapfenstück 8, das sich, wenn sich das Gelenkteil im Schienbein in der entsprechenden Stellung befindet, darin nach unten erstreckt, und zwar entlang einer Verlängerung der Längsachse der Hülse. Das Zapfenstück 8 und das obere Hülsenstück 5 des Gelenkteiles 6 sind mit querlaufenden ringförmigen Rillen bzw· Einkerbungen 9 verseheneThe joint part 6 comprises a built-in tapered pin piece 8 which, when the joint part in the shin is in the corresponding position, extends downward therein, along an extension of the longitudinal axis the sleeve. The pin piece 8 and the upper sleeve piece 5 of the joint part 6 are annular with transverse Grooves or notches 9 provided

Das Gelenkteil 6 ist in eine erweiterte Bohrung 10 im Schienbein eingepaßt und wird mit herkömmlichem Knochenzement 11 in seiner Lage gehaltene Durch die Rillen 9 wird eine bes-The joint part 6 is fitted into an enlarged bore 10 in the shin bone and is secured with conventional bone cement 11 held in its position by the grooves 9 a best-

—4——4—

609815/04^2609815/04 ^ 2

sere Haftung des Zements am Gelenkteil 6 erzielteSere adhesion of the cement to the joint part 6 achieved

Wie sich aus der vorstehend beschriebenen Ausführungsform ergibt, ist eine Rotation des Stieles 1 im Gelenkteil 6 möglich, wodurch Torsionsbeanspruchungen des Gelenkes verringert werden, die sonst auf die Teile des Gelenkes während der Bewegung des unteren Gelenkgliedes einwirken würden.As can be seen from the embodiment described above, there is a rotation of the handle 1 in the joint part 6 possible, as a result of which torsional stresses on the joint are reduced, which otherwise on the parts of the joint during the movement of the lower joint member would act.

Selbstverständlich können die für die Hülse und den Stiel benutzten Materialien ausgetauscht werdeno Es ist beispielsweise auch möglich, die Hülse aus Metall und den Stiel aus Kunststoff herzustellen.Of course, the materials used for the sleeve and the stem can be replaced o example, it is also possible to prepare the metal sleeve and the stem from plastic.

Patentansprüche;Claims;

609815/CH42609815 / CH42

Claims (1)

PatentansprücheClaims .1,j Prothetisches Gelenk, bestehend aus einem ersten Gelenkteil zur Einbringung in einen Knochen und einem zweiten Gelenkteil zur Einbringung in einen anderen Knochen zur Bildung einer scharnierartigen Verbindung mit dem ersten Gelenkteil, dadurch gekennzeichnet , daß der erste in einem der besagten Knochen befestigte Gelenkteil ein Hülsenteil aufweist, in dem ein Stiel drehbar gelagert ist, um- eine relative Längsdrehung zwischen den genannten Knochen zu ermöglichen. .1, j Prosthetic joint, consisting of a first joint part for insertion into a bone and a second joint part for insertion into another bone to form a hinge-like connection with the first joint part, characterized in that the first joint part fastened in one of said bones has a sleeve part in which a stem is rotatably mounted in order to enable a relative longitudinal rotation between said bones. 2ο Gelenk nach Anspruch 1, dadurch gekennzeichnet , daß das Gelenk ein Kniegelenk ist und das erste Gelenkteil zur Einbringung im Schienbein und das zweite Gelenkteil zur Einbringung im Oberschenkelknochen bestimmt sind.2ο joint according to claim 1, characterized that the joint is a knee joint and the first joint part for insertion in the shin and the second Joint part are intended for insertion in the femur. 3ο Gelenk nach Anspruch 2, dadurch gekennzeichnet , daß der Stiel mit einem oberen Ansatz versehen ist, wobei die Achse dieses Ansatzes mit der Achse des Stieles einen stumpfen Winkel bildet, und der obere Ansatz eine auf jeder Seite des freien Endes des Ansatzes überstehende Spindel zur Anbringung in den Oberschenkelknochen aufweist.3ο joint according to claim 2, characterized that the stem is provided with an upper approach, the axis of this approach with the axis of the Stalk forms an obtuse angle, and the upper lug one on each side of the free end of the lug Has protruding spindle for attachment in the thigh bone. -6--6- 609815/0442609815/0442 Gelenk nach Anspruch 3, dadurch ge kennzeich net , daß der obere Ansatz ferner zwei für die Verankerung in den Oberschenkelknochen bestimmte Lagerbuchsen umfaßt, die sich seitlich vom Knie erstrecken, um die entgegengesetzten Enden der Spindel drehbar zu lagernοJoint according to claim 3, characterized in that the upper extension also has two for anchoring includes bearing bushes in the thighbones that extend laterally from the knee, to rotate the opposite ends of the spindle Gelenk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet , daß der Stiel aus Metall und die Hülse aus Kunststoff hergestellt ist·Joint according to one of the preceding claims, characterized in that the handle is made of metal and the sleeve is made of plastic 609815/iU42609815 / iU42
DE19752543911 1974-10-01 1975-10-01 PROSTHETIC JOINT Withdrawn DE2543911A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4262174A GB1514479A (en) 1974-10-01 1974-10-01 Prosthetic joints

Publications (1)

Publication Number Publication Date
DE2543911A1 true DE2543911A1 (en) 1976-04-08

Family

ID=10425249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752543911 Withdrawn DE2543911A1 (en) 1974-10-01 1975-10-01 PROSTHETIC JOINT

Country Status (4)

Country Link
DE (1) DE2543911A1 (en)
FR (1) FR2289161A1 (en)
GB (1) GB1514479A (en)
IE (1) IE41735B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549318A1 (en) * 1975-11-04 1977-05-05 Dadurian Aram KNEE PROSTHESIS
DE2811331A1 (en) * 1978-03-16 1979-09-27 Schuett & Grundei Sanitaet ELBOW JOINT IN THE FORM OF A FULL ENDO-PROSTHESIS
EP0010527A1 (en) * 1978-10-06 1980-04-30 L.I.M.A. Lualdi Industrie MeccanicheAnduis Srl. Prosthesis for limbs
US4301553A (en) * 1975-08-15 1981-11-24 United States Surgical Corporation Prosthetic knee joint
DE4434806A1 (en) * 1994-09-29 1996-04-04 Peter Brehm Prosthesis for knee joints
US8268006B2 (en) 2001-01-29 2012-09-18 Zimmer, Inc. Constrained prosthetic knee with rotating bearing

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403068A2 (en) * 1976-07-28 1979-04-13 Rambert Andre Partial knee joint prosthesis - has femoral plate set directly into femur without anchorage socket
US4892551A (en) * 1986-07-03 1990-01-09 Habley Medical Technology Corporation Impact dissipating and load diverting total hip arthroplasty prosthesis
GB9305279D0 (en) * 1993-03-15 1993-05-05 Univ London Total knee replacement prothesis
US6485519B2 (en) 2001-01-29 2002-11-26 Bristol-Myers Squibb Company Constrained prosthetic knee with rotating bearing
GB0503536D0 (en) * 2005-02-21 2005-03-30 Kriek Hans R Joint devices

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301553A (en) * 1975-08-15 1981-11-24 United States Surgical Corporation Prosthetic knee joint
DE2549318A1 (en) * 1975-11-04 1977-05-05 Dadurian Aram KNEE PROSTHESIS
DE2811331A1 (en) * 1978-03-16 1979-09-27 Schuett & Grundei Sanitaet ELBOW JOINT IN THE FORM OF A FULL ENDO-PROSTHESIS
EP0010527A1 (en) * 1978-10-06 1980-04-30 L.I.M.A. Lualdi Industrie MeccanicheAnduis Srl. Prosthesis for limbs
DE4434806A1 (en) * 1994-09-29 1996-04-04 Peter Brehm Prosthesis for knee joints
DE4434806B4 (en) * 1994-09-29 2007-05-24 Peter Brehm knee prosthesis
US8268006B2 (en) 2001-01-29 2012-09-18 Zimmer, Inc. Constrained prosthetic knee with rotating bearing
US8888857B2 (en) 2001-01-29 2014-11-18 Zimmer, Inc. Constrained prosthetic knee with rotating bearing

Also Published As

Publication number Publication date
IE41735B1 (en) 1980-03-12
FR2289161A1 (en) 1976-05-28
IE41735L (en) 1976-04-01
GB1514479A (en) 1978-06-14

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