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  • Surgical drill bits designed to be held and revolved by a rotary device to excavate, perforate, or excise fragments of soft and/or hard tissue. These drill bits typically consist of a cylindrical 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). They are usually intended for reuse after sterilization, but can be disposable (single-use). Dedicated surgical drill bits are used in a variety of applications, such as orthopedic, spinal, intracranial, and otolaryngology procedures.
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