Patent ID: 8105342

Claim:
An apparatus used in combination with an endoscope, to perform at least one of ligation and suture of a living tissue of a body cavity, the apparatus comprising: a tubular chamber having a distal end, a proximal end, a central axis and at least one side opening provided between the distal end and the proximal end and deviated from the central axis; a suction system provided at the proximal end of the chamber and configured to draw the tissue of the body cavity into the chamber via the side opening; at least one puncture member having a sharp-pointed end provided in parallel with the central axis into the chamber configured to pierce the suctioned tissue, wherein the at least one puncture member comprises two of the puncture members, which are disposed in the chamber to be in parallel to each other with a certain interval therebetween; at least one ligating member held by the puncture member and configured to put the ligating member through the suctioned tissue, the ligating member comprising a fixing member which is able to be fixed to the tissue and which is detachably fit into the distal end portion of the puncture member, and a wire rod having a biocompatibility; at least one holding member being movably provided on the ligating member to hold at least one of the ligation and a suture of the living tissue by the fixing member of the ligating member, in which at least one of the holding member and the fixing member move relative to each other, and the suctioned tissue is able to be held and fastened between the holding member and the fixing member of the ligating member, the holding member is movable on the wire rod of the ligating member; the fixing member comprises a larger-diameter portion provided in at least an end of the wire rod and having a cross sectional area larger than that of the wire rod, the larger-diameter portion being detachably fit into the distal end of the puncture member; a ligating sheath detachably connected to a proximal end of the ligating member, and provided to move the fixing member and the holding member relative to each other, such that the holding member is brought close to the fixing member, to thereby ligate tissue; and a tissue resecting device provided in parallel with the central axis into the chamber adjacent to the puncture member and configured to resect a tissue of a body cavity, wherein the apparatus is used to perform at least one of ligation and suture of the tissue which has been resected with the tissue resecting device.