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Multi-functional artifical knee joint suitable for fast and slow walking on sloping paths
Multi-functional artifical knee joint suitable for fast and slow walking on sloping paths
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机译:多功能人工膝关节,适合在倾斜的道路上快慢行走
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摘要
An artificial knee joint connects a prosthetic lower leg to a residual thigh of a prosthesis wearer, and includes a knee-extending oil passage and a knee-flexing oil passage that is provided with a throttle valve. When the lower leg is pressed against the ground by the thigh, a controlling element activates the throttle valve to close the knee flexing oil passage so as to fix the thigh relative to the lower leg. Upon fast walking of the wearer, an air valve unit activates the throttle valve to reduce flow rate of oil flowing through the knee-flexing oil passage so that the lower leg can support the thigh effectively.
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