KNEE JOINT DEVICE OF ABOVE KNEE PROSTHESIS
PURPOSE: A knee joint device of an above knee prosthesis capable of accelerating the conversion speed of a knee to stretching during the stretching period of the knee joint device to suitably correspond to walking is provided, thereby allowing to be unrestrained so much during sitting down on the fl...
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Sprache: | eng ; kor |
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Zusammenfassung: | PURPOSE: A knee joint device of an above knee prosthesis capable of accelerating the conversion speed of a knee to stretching during the stretching period of the knee joint device to suitably correspond to walking is provided, thereby allowing to be unrestrained so much during sitting down on the floor or bending of the knee and being easily appliable to fast walking. CONSTITUTION: In an above knee prosthesis comprising a foot and ankle assembly, shank, knee assembly and socket, the knee joint device for thigh artificial leg comprises: an upper knee joint block(32) set to a socket side and cut in its central part; a lower knee joint block(34) disposed at the lower part of the upper knee joint block not to contact each other and connected to a shank at its lower part; a shaft link(35) having a specified trajectory in which the upper knee joint block and lower knee joint block are axially coupled without causing any interference and the center of axial coupling is not over an acute angle; a cam link(36) for connecting the upper knee joint block and lower knee joint block at the rear part of the shaft link; and a lifting means. |
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