Screwdriver for handling a screw in the body of a person or...

Details Screwdriver for handling a screw in the body of a person or... Screwdriver for handling a screw in the body of a person or...

2011-05-24

2011-05-24

Robert, Eduardo C (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C606S916000

Reexamination Certificate

active

07947048

ABSTRACT:
A screwdriver serves for handling a screw in the body of a person or an animal. The screwdriver has a handle, and a stem permanently connected to said handle. An outer tube surrounds the stem. A locking mechanism has a locking element engaging into a locking point in at least three different axial displacement positions of said outer tube. The locking element is prevented from moving further in an axial direction at a locking position by a barrier, which barrier can be overcome only by rotating said outer tube and said stem relative to one another about a longitudinal axis.

REFERENCES:
patent: 2312869 (1943-03-01), Boyer
patent: 2796009 (1957-06-01), Doyle et al.
patent: 6189422 (2001-02-01), Stihl
patent: 6679248 (2004-01-01), Stadelhofer
patent: 2003/0199983 (2003-10-01), Michelson
patent: 2006/0111712 (2006-05-01), Jackson
patent: 368761 (1963-04-01), None
patent: 3804749 (1989-03-01), None
patent: 19832303 (2000-01-01), None
European Search Report, EP07019070, Oct. 1, 2008, 5 pages.

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