Patent ID: 8979736
Filing Date: 2015-03-17
Classification: A61B,G02B

Abstract:
1. A treatment endoscope comprising: a body cavity insertion portion which includes a main body distal hard portion, and a main body curving portion provided at a proximal side of the main body distal hard portion; at least one treatment arm which includes a curving mechanism and projects to a distal side from the main body distal hard portion of the body cavity insertion portion; an observation section configured to image a field of view in a body cavity, the observation section including an imaging section provided within the main body distal hard portion of the body cavity insertion portion; a main body operation portion configured to input a curving operation to the main body curving portion; an arm operation portion configured to input a curving operation to the curving mechanism of the treatment arm; a branch which is provided at a proximal side of the body cavity insertion portion; a first extension which extends from the branch toward the main body operation portion; a second extension which is separated from the first extension in the branch and which extends from the branch toward the arm operation portion, the arm operation portion and the second extension being coupled with the main body operation portion and the first extension so that a coupled collective body is formed by the main body operation portion, the first extension, the arm operation portion and the second extension; an operation portion integral attaching/detaching mechanism which is provided in the branch and which is configured to removably and integrally attach the coupled collective body to the body cavity insertion portion; a first internal object which is extended toward the proximal side from the body cavity insertion portion through the operation portion integral attaching/detaching mechanism and the first extension, and which is configured to be pushed or pulled by the curving operation input via the main body operation portion to actuate the main body curving portion; a second internal object which is extended toward the proximal side from the treatment arm through the operation portion integral attaching/detaching mechanism and the second extension, and which is configured to be pushed or pulled by the curving operation input via the arm operation portion to actuate the curving mechanism of the arm; and an observation section attaching/detaching mechanism configured to removably attach the observation section to the body cavity insertion portion, wherein the operation portion integral attaching/detaching mechanism includes an internal object connection portion configured to separably connect an insertion portion side part and an operation portion side part in the first internal object and the second internal object.