Osteosynthetic bone plate and lock washer

Details Osteosynthetic bone plate and lock washer Osteosynthetic bone plate and lock washer

1997-02-12

1998-09-22

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

A61B 1700

Patent

active

058108238

ABSTRACT:
A lock washer for attaching a bone screw to a bone plate. The lock washer includes a body having a central axis and a borehole having internal threading for receiving the bone screw. The lock washer includes a lower section adapted to abut the surface of a bone, and an upper section shaped to be retained in a plate borehole. An osteosynthetic system including a bone plate having an upper surface, a lower surface to be positioned facing the bone, and a lock washer is also disclosed. In addition, an osteosynthetic bone plate having an upper surface, a lower surface, and boreholes extending through the bone plate from the upper surface to the lower surface is disclosed. Boreholes are provided with hollow protrusions extending beyond the lower surface of the bone plate and having an internal threading for receiving a bone screw.

REFERENCES:
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patent: 5129899 (1992-07-01), Small et al.
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patent: 5234431 (1993-08-01), Keller
patent: 5269784 (1993-12-01), Mast
patent: 5591168 (1997-01-01), Judet et al.

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