A61B17/00	Surgical instruments, devices or methods (A61B 18/00 takes precedence; dental tools A61C 3/00; eye surgery A61F 9/007; ear surgery A61F 11/20)
	Note(s) When classifying in this group, classification is also made in group A61B 17/94 if the endoscopic features of the surgical instrument are of interest [8]