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Bone surgical chisels designed to excise bone outgrowths (i.e., osteophytes). These chisels typically consist of a handheld, manual instrument including a straight or slightly curved flat blade with a very sharp cutting edge that is beveled on one side. Dedicated bone-outgrowth surgical chisels are used mainly in delicate neurosurgical procedures, including cranial opening and spinal discectomy; other dedicated chisels are available for use in microsurgical procedures.
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