Total ankle prosthesis

Details Total ankle prosthesis Total ankle prosthesis

1977-11-04

1979-06-05

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, A61F 124

Patent

active

041569440

ABSTRACT:
A total ankle prosthesis is formed of two parts, the upper part of which has a concave lower surface in saggital section while the lower part has a convex upper surface in sagittal section slidingly guided on the upper part. Each of these surfaces is of wave form in frontal cross-section with one surface having a raised central portion while the other has a guide groove receiving the raised portion. The side walls of the upper part extend downwardly past the bottom surface of the lower part to protect and avoid excess rubbing of the bottom ends of the tibia and fibula on the bottom part of the prosthesis and to discourage scar tissue between the surfaces.

REFERENCES:
patent: 3872519 (1975-03-01), Giannestras et al.
patent: 3896502 (1975-07-01), Lennox
patent: 3987500 (1976-10-01), Schlein
patent: 4069518 (1978-01-01), Groth, Jr. et al.

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