DEVICE FOR BIOPSY Russian patent published in 1999 - IPC

FIELD: medical equipment applicable as an instrument for through- the skin biopsy of the pancreas, liver, kidneys and tumors of various organs. SUBSTANCE: hollow casing accommodates aligned external passages and an internal stiletto with a recess for bioptite. The cannula and stiletto are furnished are furnished with spring-loaded slides which are arranged one above the other and have catches and a common sliding surface. The stiletto slide spring is located inside the spring of the cannula slide. The catches are furnished with bosses for engagement with the opposite - arranged longitudinal grooves of the casing. The locking member is made in the form of a cover with an internal groove fixed on the casing. The groove radius corresponds to the radius of described circumference of the catch bosses. The cover has a longitudinal groove made on the side of the end face up to intersection with the internal groove. EFFECT: simplified and compact design, enhanced convenience in use. 2 cl, 7 dwg