Adjustable compression bone screw

Details Adjustable compression bone screw Adjustable compression bone screw

1988-05-27

1989-08-22

Hafer, Robert A.

Surgery

Truss

Perineal

128922W, 128 92YR, 128 92YE, 411389, A61F 504, F16B 3500

Patent

active

048586013

ABSTRACT:
An adjustable compression bone screw that has a shaft having first and second sections each with an external screw thread that may be rotated as a unit or independently. The screw includes means adapted to receive a first driving tool for driving the shaft as unit and further adapted to receive a second driving tool for rotating the second section independently of the first section.

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