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1. (WO1996037169) ENDOPROSTHESIS FOR A METATARSO-PHALANGEAL JOINT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1996/037169 International Application No.: PCT/EP1996/002159
Publication Date: 28.11.1996 International Filing Date: 20.05.1996
Chapter 2 Demand Filed: 18.12.1996
IPC:
A61B 17/86 (2006.01) ,A61F 2/00 (2006.01) ,A61F 2/30 (2006.01) ,A61F 2/42 (2006.01) ,A61F 2/46 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
84
Fasteners therefor
86
Pins or screws
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
02
Prostheses implantable into the body
30
Joints
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
02
Prostheses implantable into the body
30
Joints
42
for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
2
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
02
Prostheses implantable into the body
30
Joints
46
Special tools for implanting artificial joints
Applicants:
PLUS ENDOPROTHETIK AG [CH/CH]; Erlenstrasse 4 b CH-6343 Rotkreuz, CH (AllExceptUS)
KNESSL, Jürg [CH/CH]; CH (UsOnly)
SEEBER, Engelbert [DE/DE]; DE (UsOnly)
Inventors:
KNESSL, Jürg; CH
SEEBER, Engelbert; DE
Agent:
POPP, Eugen ; Meissner, Bolte & Partner Postfach 86 06 24 D-81633 München, DE
Priority Data:
195 18 757.122.05.1995DE
Title (DE) ENDOPROTHESE FÜR EIN METATARSOPHALANGEALGELENK
(EN) ENDOPROSTHESIS FOR A METATARSO-PHALANGEAL JOINT
(FR) ENDOPROTHESE POUR ARTICULATION METATARSOPHALANGIENNE
Abstract:
(DE) Endoprothese für ein Metatarsophalangealgelenk, insbesondere Großzehengelenk (10), mit einer am proximalen Ende der Phalanx (11) und/oder am distalen Ende der Metatarsale (12), insbesondere Metatarsale 1, verankerbaren, eine konkave (17) bzw. konvexe (14) Ersatzgleitfläche definierende Prothesenhälfte (16 bzw. 13). Die Prothesenhälften (13, 16) sind jeweils am durchmessergrößeren Ende von sich konisch verjüngenden Knochenverankerungszapfen (18, 19) befestigbar. Die Mantelfläche der Knochenverankerungszapfen (18, 19) ist zur erhöhten Verankerung im Knochen entweder mit einem Schraubgewinde (20) oder mit im Axialabstand voneinander ausgebildeten Umfangsrippen versehen.
(EN) An endoprosthesis for a metatarso-phalangeal joint, especially a great toe joint (10), with a half-prosthesis (16 or 13) which can be secured at the proximal end of the phalanx (11) and/or at the distal end of the metatarsus (12), especially metatarsus 1, and defines a concave (17) or convex (14) replacement sliding surface. The half-prostheses (13, 16) can be secured to the larger-diameter end of conically tapering bone anchor pins (18, 19). To improve anchoring in the bone, the surface of the bone anchor pins (18, 19) has either a screw thread (20) or axially spaced peripheral ribs.
(FR) Endoprothèse pour articulation métatarsophalangienne, en particulier pour articulation du gros orteil (10), comprenant une demi-prothèse (16 ou 13) définissant une surface de glissement de remplacement, concave (17) ou convexe (14), pouvant être fixée à l'extrémité proximale de la phalange (11) et/ou à l'extrémité distale du métatarse (12), en particulier du métatarse 1. Les demi-prothèses (13, 16) peuvent être fixées chacune à l'extrémité, de diamètre supérieur, de tiges d'ancrages (18, 19) dans l'os, s'amincissant coniquement. Afin d'avoir un meilleur ancrage dans l'os, la surface latérale de ces tiges est, soit filetée (20), soit munie de nervures périphériques espacées entre elles dans le sens axial.
Designated States: JP, NO, SG, US
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
EP0827386