Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Knee
Reexamination Certificate
2006-05-16
2006-05-16
Snow, Bruce E. (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Leg
Knee
Reexamination Certificate
active
07044983
ABSTRACT:
A positioning and buffering device of a knee joint for artificial limb is disclosed. The device comprises a knee cap head, an interlinking device including two arch plates, a buffering device including an interlinking rod, an interlinking support and a hydraulic cylinder; a spring device having a spring and a spring support; and a knee cap body module. The knee cap body is used to connect to the thigh and the lower edge of the knee cap body is for connection to the shank and the leg bottom portion. By means of the interlinking rod and the linking support, when the leg is stretched or is standing, a pressure exerted changes the angle between the interlinking rod and the interlinking support such that the knee joint is at a fixed position, the shank will not bent or knee down and the buffering device will produce a buffering and shock absorbing effect.
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patent: 5800566 (1998-09-01), Gramnas
patent: 5904721 (1999-05-01), Henry et al.
patent: 6086616 (2000-07-01), Okuda et al.
patent: 6117177 (2000-09-01), Chen et al.
patent: 2002/0188355 (2002-12-01), Chen
patent: 2003/0195637 (2003-10-01), Shen
Lei Leong C.
Snow Bruce E.
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