FIELD: medical instruments, applicable for internal cavitary operations, as well as for biopsy tests. SUBSTANCE: the instrument has a body with a cutting element installed for rotation in it, an appliance for extraction of the removed material. The body is made in the form of a flexible case, the appliance for extraction of the removed material is positioned inside it, the appliance is made in the form of a flexible screw, and a cutting element made in the form at least of one knife fastened on a carrier for translational motion and rotation by means of a drive. EFFECT: reduced time of operation at a reduced traumatologic and psychologic shock of the patient. 12 cl, 1 dwg
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