Tool for making drill-holes in bones or removing cylindrical...

Details Tool for making drill-holes in bones or removing cylindrical... Tool for making drill-holes in bones or removing cylindrical...

2008-01-03

2011-11-01

Barrett, Thomas C. (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C279S024000

Reexamination Certificate

active

08048078

ABSTRACT:
A tool (1) is constructed for single use for making drill-holes in bones or removing cylindrical drill-hole cores from bones of the human body with a tubular tool body (2) which can be inserted into a receiving bore (8) of a tool holder (4). At least one cutout (5) in the tool body (2) and at least one protrusion (10) of the tool holder are coupled to rotationally affix the tool (1) to the tool holder (4). In the process, a flexible tongue (15) on the tool body (2) latches into an opening (16) of the tool holder (4) to axially fix the tool body. After the tool (1) has been used, the tongue (15) can be pushed out of the opening from outside, with plastic deformation, so that the tool can no longer be connected to the tool holder (4).

REFERENCES:
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patent: 2037307 (1936-04-01), Bowman
patent: 7175643 (2007-02-01), Shi
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patent: 09117814 (1997-05-01), None
patent: WO 99/38450 (1999-08-01), None

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