PROBLEM TO BE SOLVED: To provide a medical treatment appliance fixture capable of stably fixing a medical treatment appliance such as an endoscope.SOLUTION: A medical treatment appliance fixture 100 comprises a multi-joint body 30 that has a medical treatment appliance A held at a tip. The multi-joint body 30 comprises a plurality of connected bodies in which a spherical convex surface of a spherical part and a spherical concave surface of a spherical bowl part are engaged with each other and coupled together, and a wire is inserted through a through-hole that is formed in each connected body. One end of the wire is coupled to wire operation means 60. A slit is formed in the spherical bowl part.
