Patent ID: 8875602

Claim:
An instrument comprising: a torque wrench for use with an implantable medical device, the torque wrench consisting of: a first component having a first end and a second end and an exterior surface configured as a handle comprising gripping members, the first component defining a bore extending through the handle between the first and second ends of the first component, the first component including a plurality of anti-rotation members extending from an inner surface of the bore at the second end of the first component; and a second component including a middle portion having a first end and a second end, a drive shaft extending from the first end and a plurality of flexible fingers extending from an exterior surface of the second component, the second component received in the bore of the first component, such that the drive shaft partially extends outside the first end of the first component and the plurality of flexible fingers interdigitate with the anti-rotation members of the first component within the handle of the first component.