HOLDING MECHANISM FOR ENDOSCOPE GUIDE MEMBER, AND ENDOSCOPE

摘要

A holding mechanism includes a fixed holding portion and a rotary holding portion. The rotary holding portion switches the holding state of the holding mechanism by rotation to either a first state in which the rotary holding portion holds, together with the fixed holding portion, a guide member at the operation portion, or the second state in which the rotary holding portion fixes, together with the fixed holding portion, the guide member.

主权项

1. A holding mechanism for one or more endoscope guide members, which guide a treatment instrument into a lumen via an insertion portion of an endoscope, the holding mechanism comprising:
one or more fixed holding portions which hold a part of a proximal end side of the endoscope guide member exposed from the endoscope at an operation portion of the endoscope coupled to a proximal end portion of the insertion portion; and one or more rotary holding portions which switch the holding state of the holding mechanism by rotation to either a first state in which the rotary holding portion holds, together with the fixed holding portion, the part of the proximal end side of the endoscope guide member exposed from the endoscope at the operation portion, or the second state in which the rotary holding portion fixes, together with the fixed holding portion, the part of the proximal end side of the endoscope guide member exposed from the endoscope.