Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Knee
Patent
1996-04-08
1998-03-17
Willse, David H.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Leg
Knee
623 46, A61F 264
Patent
active
057281734
ABSTRACT:
An artificial knee joint includes a shank formed with a pair of upwardly extending first lugs and a pair of radially extending second lugs, and a thigh support formed with a pair of downwardly extending third lugs which are connected pivotally to the first lugs. A connector has a first portion which extends between and which is mounted pivotally to the third lugs, a second portion which extends from the first portion and which extends between the first lugs, and a connecting portion formed at a junction of the first and second portions. A biasing unit on the shank biases the second portion of the connector upwardly. The connecting portion of the connector extends between and is connected pivotally to a spaced pair of pivot blocks on an upper end of an actuating member. The actuating member further has a lower end which extends between and which is connected pivotally to the second lugs. Each of a pair of damping units is provided on a respective one of the first lugs so as to bias the pivot blocks, respectively.
REFERENCES:
patent: 2537351 (1951-01-01), Johnson et al.
patent: 5545232 (1996-08-01), Van de Veen
Geri-Lite 4 Bar Stability 3-4 Knee, RK-4300, Design by Proteor (Brochure), pp. 12.1 and 12.2.
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