SYSTEM FOR PRICKING TISSUE

摘要

PROBLEM TO BE SOLVED: To provide a system for pricking tissues which allows an easy approach of a puncturing needle to a stitching part of tissues and its verification and can be controlled finely. SOLUTION: The system for pricking tissues comprises an endoscope 9, an overtube 2 having a distal end provided with at least one side opening 13 and a lumen in which the endoscope 9 can pass through, at least one needle 5 or 6 which is provided inside the overtube 2 and has a pointed end movable from a first position to a second position, an operational part 3 to move the needles 5 or 6 and a sucking means which makes the inside of the overtube 2 at negative pressure for aspiration of living tissues from the side opening 13 into the overtube 2. COPYRIGHT: (C)2003,JPO