Surgery – Truss – Pad
Patent
1978-07-11
1980-11-11
Crowder, Clifford D.
Surgery
Truss
Pad
128 92C, A61F 103
Patent
active
042324041
ABSTRACT:
An endoprosthetic ankle joint device comprises a talar component with a convex articulatory surface having an intermediate part-circular-cylindrical area coaxially flanked at each end by like mutually divergent part-conical areas, and a tibial component with an assymetrical concave articulatory surface complementary with said convex cylindrical area and one of said conical areas. In one form of the device the tibial concave surface has areas complementary with each of the talar conical areas, but to different extents, with the former areas being respectively axially longer and shorter. In another form, the tibial concave surface is only complementary with one of the talar conical areas, and the device comprises a fibular component for articulation with the other talar conical area.
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patent: 3889300 (1975-06-01), Smith
patent: 3896502 (1975-07-01), Lennox
patent: 3896503 (1975-07-01), Reykers et al.
patent: 3975778 (1976-08-01), Newton
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patent: 4021864 (1977-05-01), Waugh
patent: 4069518 (1978-01-01), Groth, Jr. et al.
Lord, et al., Revue de Chirurgie Orthopedigue; "Prosthesis Totale de Cheville", 1973, 59, pp. 140-141.
Smith, Smith Total Ankle Surgical Procedure, 1973, 1 page.
Scholz, A Total Ankle Replacement Prosthesis, Date Unknown, 1 page.
Samuelson Kent M.
Tuke Michael A.
Crowder Clifford D.
National Research Development Corporation
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