FIELD: medical engineering. SUBSTANCE: device has operation part and handle. The operation part is auger-drill having two cutting edges and chip-dividing grooves. The grooves are arranged in chess-board order. Auger- drill rod is marked with ticks showing depth for taking chips, T- shaped handle to set depth corresponding to the ticks and restricting bushing usable with guiding member. The auger-drill is positioned in the guiding member. One end of the guiding member has handle and the other one has cutting edge. EFFECT: enhanced effectiveness in taking spongious substance samples as chips. 2 dwg
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