Auxiliary instrument for fixing rod

Details Auxiliary instrument for fixing rod Auxiliary instrument for fixing rod

2011-03-22

2011-03-22

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S08600R

Reexamination Certificate

active

07909835

ABSTRACT:
An auxiliary instrument for fixing a rod places a detent pin on a head portion of the screw. The auxiliary instrument comprises an inner cylinder, an outer cylinder, a first lever and a second lever. The inner cylinder has a plurality of claw portions and an opening employed to introduce the detent pin into an interior thereof. The outer cylinder is arranged to surround the inner cylinder and has a claw pressing portion. The first lever is rotatably connected to the inner cylinder and arranged in substantially perpendicular to an axial direction of the inner cylinder. The second lever is rotatably connected to the fist lever and the outer cylinder and arranged in substantially perpendicular to an axial direction of the outer cylinder. When the first and second levers are operated, the claw portions are pressed inward by the claw pressing portion to hold the head portion of the screw.

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patent: 2005/0033299 (2005-02-01), Shluzas
patent: 4238339 (1994-05-01), None
patent: 03/003928 (2003-01-01), None
patent: 03/088856 (2003-10-01), None
English language Abstract of DE 4238339.

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