Patent ID: 7575548

Claim:
An endoscopic treatment instrument to be inserted into a body together with an endoscope insertion part for carrying out a treatment for living organisms, the endoscopic treatment instrument comprising: a plurality of elongated flexible sheaths; an operating part provided at a proximal portion of each of the plurality of flexible elongated sheaths; a distal end treatment unit provided at a distal portion of each of the plurality of flexible elongated sheaths for carrying out a treatment for living organisms; a supporting member for directly or indirectly supporting the plurality of flexible elongated sheaths disposed substantially in parallel with the endoscope insertion part for constraining a relative position of the plurality of flexible elongated sheaths; and a connecting member for directly or indirectly connecting the sheaths and the endoscope insertion part; wherein the position of the supporting member relative to the connecting member is changeable at least in a direction perpendicular to the endoscopic insertion part to change the arrangement of the plurality of sheaths with respect to the endoscope insertion part.