Patent ID: 7341555
Filing Date: 2008-03-11
Classification: A61B

Abstract:
1. A method for performing treatment on a desired part of a cavity of a living body by using a therapeutic instrument of an endoscope, which includes a guide wire insertion lumen, after inserting the therapeutic instrument into the cavity of the living body through a therapeutic instrument insertion channel of the endoscope, the endoscope comprising a guide wire, the therapeutic instrument, and a therapeutic instrument elevator base capable of guiding the therapeutic instrument to a desired position, the method comprising: a) a step of inserting the guide wire into the therapeutic instrument insertion channel of the endoscope; b) a step of locating the guide wire in a desired position in the cavity of the living body; c) a step of returning a distal end of the therapeutic instrument to a position which is closer to an operation portion side of the endoscope than to guide wire fixing means provided in the vicinity of a distal end portion of an insertion portion of the endoscope; d) a step of fixing the guide wire in the vicinity of the distal end portion of the insertion portion of the endoscope; and e) a step of completely pulling out the therapeutic instrument from the therapeutic instrument insertion channel of the endoscope.