Prosthetic joint for knee and above-knee amputees

摘要

A prosthetic joint for knee and above-knee amputees consists of a hollow shank (1), open at the top, for receiving the femoral stump, of an attachment member (3) articulatedly joined to this shank for fitting of a below-knee prosthesis (2) with a foot part and of an articulated joint between the shank (1) and the attachment member (3). PPThe articulated joint consists of a guide member (5) connected to the attachment member (3) and having rectilinear guide grooves (17a, 17b), of a support (7) guided shiftably in said guide member by means of arcuate guide bars (18a, 18b) and connected rigidly to the shank (1), and of a gearing located between the support and the guide member.P P The gearing consists of an arcuate rack (8) on the support (7), of a rectilinear rack (10) on the guide member (5) and of a pinion (9) rotatably mounted in the slide member (6) and engaging the two racks.