Bone screw and screw driver blade system for oral and maxillofac

Details Bone screw and screw driver blade system for oral and maxillofac Bone screw and screw driver blade system for oral and maxillofac

1995-04-03

1997-07-08

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 73, 606104, A61B 1756

Patent

active

056455461

ABSTRACT:
A titanium bone screw has a centering hole located in the midpoint of the slot in the screw head. A screw driver blade with a centering pin is so dimensioned that the blade and tip respectively form interference fit with the slot and centering hole when the blade is inserted into the screw head.

REFERENCES:
patent: 2173707 (1939-09-01), Brown
patent: 2400684 (1946-05-01), Clark
patent: 3175543 (1965-03-01), Launay
patent: 3424212 (1969-01-01), Kemper
patent: 3449988 (1969-06-01), Gallo
patent: 4325153 (1982-04-01), Finnegan
patent: 4452556 (1984-06-01), Nelson
patent: 4754749 (1988-07-01), Tsou
patent: 4936728 (1990-06-01), Sainsbury
patent: 5122132 (1992-06-01), Bremer

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