Torque-limiting fastener driver

Details Torque-limiting fastener driver Torque-limiting fastener driver

2009-04-07

2011-10-04

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C606S104000, C081S436000

Reexamination Certificate

active

08028608

ABSTRACT:
A torque-limiting fastener driver for driving a bone fastener into bone includes a handle supporting a driver shaft. The driver shaft includes limited components which are designed to provide feedback to a user regarding the applied torsional force. In addition, the driver shaft is designed to controllably fail before any potential uncontrolled failure of the distal driving tip. This prevents application of too much torque and controlled design of the shape and size of the failed components.

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