Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Knee
Reexamination Certificate
2007-03-27
2007-03-27
Willse, David H. (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Leg
Knee
Reexamination Certificate
active
10745564
ABSTRACT:
An artificial knee joint includes an upper seat, a lower seat adapted to be connected fixedly to a prosthetic lower leg, and a driving device. The upper seat includes a seat body connected to the lower seat by the driving device, and a movable member connected pivotally to the seat body and adapted to be connected fixedly to a residual thigh. The driving device includes a rotating shaft journalled within the seat body. When a downward force and an upward force are applied respectively to the movable member and the seat body, a gripping member presses against the rotating shaft so as to prevent rotation of the rotating shaft and thus relative movement of the lower seat and the seat body of the upper seat.
REFERENCES:
patent: 6355071 (2002-03-01), Cheng
patent: WO 01/43668 (2001-06-01), None
Chen Chien-Chuan
Chen Chien-Liang
Chen I-Chun
Foley & Lardner LLP
Willse David H.
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