Definition : Trephines designed to cut and remove circular sections of tissue during surgical procedures. These trephines are handheld, manual instruments consisting of a hollow cylinder with circular-saw-like edges and an integral perpendicular handle for application of torque; some surgical trephines have detachable blades and a rotary manually operated or powered (e.g., electric) surgical handpiece. Dedicated surgical trephines are available for several ophthalmic, nasal frontal sinus, and skull surgical procedures.
Entry Terms : "Surgical Trephines"
UMDC code : 22660