Artificial knee joint

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Knee

Reexamination Certificate

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Reexamination Certificate

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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

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