Patent ID: 8105230
Filing Date: 2012-01-31
Classification: A61B

Abstract:
1. A medical system comprising: a treatment instrument configured to be inserted into a channel of an insertion portion of an endoscope, the treatment instrument including at a distal end thereof a treatment portion for performing treatment operations on living body tissue; a treatment instrument advance/retreat apparatus configured to advance and retreat the treatment instrument in accordance with a user input such that the treatment instrument moves at a first speed in the channel or at a second speed that is lower than the first speed outside the channel by switching an advance/retreat speed without stopping advancement/retreat of the treatment instrument; a detection portion configured to detect whether the treatment portion of the treatment instrument is led out and positioned distally from a distal end of the insertion portion of the endoscope; and a control portion configured to control the treatment instrument advance/retreat apparatus to vary an advance/retreat speed of the treatment instrument according to detection results from the detection portion, wherein the control portion is configured: