Patent ID: 7946978
Filing Date: 2011-05-24
Classification: A61B

Abstract:
1. An endoscope treatment tool insertion-extraction system comprising: a first treatment tool and a second treatment tool which are insertable into and retractable from a forceps channel of an endoscope; a first insertion-extraction mechanism which feeds the first treatment tool into the forceps channel or removes the first treatment tool from the forceps channel; a second insertion-extraction mechanism which feeds the second treatment tool into the forceps channel or removes the second treatment tool from the forceps channel; one common driving section which is engageable with and drives the first insertion-extraction mechanism or the second insertion-extraction; and a selection section which selectively engages the driving section with one of the first insertion-extraction mechanism and the second insertion-extraction mechanism wherein a driving power source of the driving section is built in a light source apparatus which is connected to the endoscope.