Patent ID: 7938046
Filing Date: 2011-05-10
Classification: A61B,B25B

Abstract:
1. A disposable torque-limiting driver comprising: a handle and an axially extending cylindrical body; a torque-limiting assembly within the axially extending cylindrical body, the assembly comprising: a work piece-engaging tip connected to the lower cylindrical shank; and at least one radially extending axial protrusion extending inward on an inner surface of an axially extending hollow shaft; wherein the upper cylindrical shank has at least one recess for receiving the at least one radially extending protrusion for locking the upper cylindrical shank relative to the lower cylindrical shank; wherein the at least one recess is wider than the at least one radially extending protrusion, allowing the driver to rotate in reverse a predetermined distance without reverse rotation of the work piece engaging tip.