Endoscope to take a tissue sample has a tissue holding zone at the needle and cutter with a suction channel to hold the tissue in place

摘要

The endoscope instrument, to take a tissue biopsy, has a needle (110) and a zone (112) to hold the tissue sample. A sliding cutter (121) is coaxial to the needle. A suction channel (113) is linked to the tissue holding zone, through the needle shaft or between the needle shaft and its mantle shrouding (120).