Patent ID: 9579158
Date: 2017-02-28
CPC Classifications: A61B

Claim:
1. A surgical instrument comprising a longitudinal shaft with a tip portion, a rear portion and a longitudinal axis, said shaft being selectively rotatable in two directions around the longitudinal axis, said two directions being clockwise and counterclockwise, said surgical instrument further comprising: one or more sharp cutting edges extending at least on a front surface of the tip portion of the shaft for drilling a hole in a bone by rotation of the shaft in one of the two directions; one or more crusher jaws arranged on the tip portion and extending along the longitudinal axis of the shaft for crushing bone tissue by rotation of the shaft in the other of the two directions; and a torque sensor coupled to the shaft, said torque sensor configured to measure torque exerted onto the shaft when the shaft is rotated in the other of the two directions and the crusher jaws are crushing bone tissue.