| abstract |
A torque driver for driving an interference screw, comprising anhandle, a sleeve fixedly connected to the handle, a drive shaft having andrive head formed at the distal portion thereof, the proximal end of thendrive shaft being covered by and rotatable in the sleeve, and a torquenmeasurement assembly which includes a proximal cup fixedly connected tona sleeve, a distal cup fixedly connected to the drive shaft, and a coilnspring encased between the proximal and distal cups, wherein one end ofnthe coil spring is fixed in the proximal cup and the other end of thencoil spring is fixed in the distal cup. |