STOMATOLOGIC INSTRUMENT Russian patent published in 1995 - IPC

FIELD: medical engineering. SUBSTANCE: this stomatologic instrument includes handgrip 1, detachable working members 2 having shanks 3 and secured to opposite ends of handgrip 1, and means for fixing working members in desired position. These fixing means are collet chucks each of which has removable hollow threaded rod 4 having through slots 5 disposed along axis of hollow rod 4 and lobe crimping means made in the form of hollow threaded cap 7 positioned for movement along mating thread 8 at ends of handgrip 1. In addition, shank is square in cross-section to prevent slippage of working member 2 carrying greater load. EFFECT: more sophisticated design. 5 cl, 1 dwg