| 摘要 |
An instrument for use in medical surgery, and having a handle and a working tool extending along a common axis. A separable connection is between the handle and the tool, and the connection is of a polygonal shape in an axial view thereof. The connection is tapered for wedging together and has one portion on the handle and another portion on the tool, and there are planar surfaces on both portions but with fewer planar surfaces on the one portion compared to the number of planar surfaces on the other portion.
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