PROSTHESIS HINGE Russian patent published in 1995 - IPC

FIELD: medicine; orthopedics. SUBSTANCE: device has external member 1 made in form of drink glass with spheric internal surface engageable with insert member 2, being hemispheric in shape for one part and cylindric for another part. Tightening member 3 with friction washer 4 passes through a hole in the polar zone of insert 2. Packet-like piezoelectric vibrator 5 pressed with washer 6 is mounted on the bottom part of external member 1. Packet-like piezoelectric vibrator 5 is mounted eccentrically with respect to the tightening member axis. EFFECT: enhanced effectiveness of movements control. 1 dwg