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Surgical drill bits designed to be held and revolved by a rotary device to excavate, perforate, or excise fragments of bone following the direction of a previously inserted pin or guide wire. These drill bits typically consist of a cylindrical hollow shank of stainless steel or other hard metal alloy with a uniform cross-section. They include a working end with cutting edges (e.g., twisted, helicoidally) and a notched or elongated proximal end to fit into the rotary device (e.g., a drill, handpiece). Dedicated bone surgical drills are available for a variety of procedures including fixation of prostheses and implants during orthopedic procedures. They are usually intended for reuse after sterilization, but can be disposable (single-use).
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