Threaded washer

Details Threaded washer Threaded washer

1996-01-18

1999-05-04

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

A61B 1756

Patent

active

058999060

ABSTRACT:
A threaded washer with a central bore for use with a bone screw is disclosed. The washer is threaded into a counterbore extending below the bone surface and into cancellous bone material. The external washer threads are tapered to provide improved purchase. The bone screw is inserted through the central bore of the washer and threaded into the fragment beyond the fracture. The washer provides improved compressive forces while permitting the bone screw head to be located beneath the bone surface.

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