The present invention provides a treatment tool for coronary artery bypass surgery, and the like, provided with: a flexible tube； a suction pad portion in which an opening portion communicating with the flexible tube is formed, and which is provided at a distal end of the flexible tube； a joint portion having a suction passage； a male connector provided at one of a proximal end of the flexible tube and a distal end of the suction passage of the joint portion； and a female connector which is provided at the other of the proximal end of the flexible tube and the distal end of the suction passage of the joint portion, and which is coupled detachably to the male connector.
