Importance

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Abstract

Given is a device for cutting a thread in a cup-shaped bone, in particular in the acetabulum of a human pelvis bone, which includes a cutter holder on a drive shaft, with a radially, outwardly directed cutting blade being disposed on the cutter holder. In order to cut, in simple fashion, a correctly dimensioned threading into the bone tissue with a desired depth of cut, the device includes a cutter gauge capable of being fixed in the cup space, with the cutter gauge having a central boring and an open cutting channel running spirally about the longitudinal axis of the boring. The cutter holder is capable of being introduced centrally into the boring of the cutter gauge and is capable of being set into a forcefully guided, spiral cutting movement with introduction of the blade into the cutting channel, during the course of which the cutting blade cuts the thread precisely in the bone tissue.

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First Claim