DEVICE FOR BIOPSY Russian patent published in 2001 - IPC

FIELD: medical technique, namely devices for taking biopsy material from organs and tissues. SUBSTANCE: device includes hollow body, in which outer cannula and inner stylet are arranged coaxially. Sliders of cannula and stylet are mounted with possibility of lengthwise motion. Device includes spring, stopper of cannula slider and locking member fixed on body. Slider of stylet is provided with handle arranged in lengthwise groove of body. Locking member is in the form of rotatable sleeve whose end portion has part with threaded surface engaging with handle of stylet slider and flat part engaging with stopper of cannula. EFFECT: enlarged manufacturing possibilities of device due to regulating stylet extension by predetermined value relative to cannula. 3 dwg