Method of making a tool for extracting a broken screw
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United States of America Patent
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Jul 10, 2007
Grant Date -
N/A
app pub date -
Jun 17, 2002
filing date -
Jun 17, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The method of making a tool for removal of broken screws from a base material, including the material of the bone of a medical patient. One end of the tool has an open bore with interior, left-hand tapered screw threads formed thereon by compressing the tool to form the taper after the threads are formed and presented in a cylindrical shape. The other end of the tool is solid for accommodating a driving tool which rotates the tool in the removal of the broken screw.
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