Prosthetic joints for crural amputees

Details Prosthetic joints for crural amputees Prosthetic joints for crural amputees

1980-07-25

1982-01-26

Frinks, Ronald L.

A61F 104, A61F 108

Patent

active

043120814

ABSTRACT:
A prosthetic joint for crural amputees of the kind comprising a hollow shank, open at the top, for receiving a femoral stump and, articulated to this shank, an insertion member for fitment of a crural prosthesis, is provided with a sliding guide rigidly connected to the insertion member, a sliding member displaceable in the guide and having a lower plane surface and an upper arcuate surface, an arcuate slideway fixed to the rear of the under side of the shank to accommodate the arcuate surface of the sliding member and a pivotal link which connects the rear parts of the shank and the insertion member and effects a forward displacement of the sliding member upon pivotal movement of the insertion member relative to the shank.

REFERENCES:
patent: 2046069 (1936-06-01), Greissinger
patent: 2457482 (1948-12-01), Marean
patent: 3597767 (1971-08-01), Prahl
patent: 3928873 (1975-12-01), Zevering
patent: 4085466 (1978-04-01), Goodfellow et al.

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