INSTRUMENT FOR ARTIFICIAL KNEE JOINT REPLACEMENT SURGERY, AND INSTRUMENT UNIT FOR ARTIFICIAL KNEE JOINT REPLACEMENT SURGERY

摘要

An instrument for artificial knee joint replacement surgery is provided, with which the position of a desired region in the body of a patient can be specified with ease. The present invention is provided with: a holding mechanism 2 which includes a holding part 4 having contact parts 6 to be brought into contact with contact objects of a patient undergoing artificial knee joint replacement surgery, and which is held against the patient while the contact parts 6 are in contact with the contact objects; and an indicating mechanism 3 provided with a part 18 for indicating an object to have the position thereof specified, i.e. a region, in the patient, to have the position thereof specified, said part 18 being attached to the holding mechanism 2, and being disposed in a position corresponding to the object to have the position thereof specified, while the holding mechanism 2 is being held against the patient. The position where the part 18 for indicating the object to have the position thereof specified is disposed is preoperatively determined on the basis of the positional relationship between the contact objects and the object to have the position thereof specified, said positional relationship having been obtained in advance.