What rhymes with craniotome?
cran·iotome

A craniotome is a tool for drilling simple burr holes or for creating larger openings in the skull. The trepanation tool is generally equipped with a clutch which automatically disengages once it touches softer tissue, thus preventing tears in the dura. For larger openings the craniotome is a surgical instrument that has replaced manually pulled saw wires in craniotomies from the 1980s on. Its working tool tip consists of a spiral blade that is framed by a guard device with an angled cranium guide that rests against the inner layer of the skull bone. The dura guard pushes the dura mater downward while the craniotome is moved forward thus preventing dural tearing. The first craniotome was designed and created by John H. Bent, a mechanical engineer and owner of Standard Pneumatic Motor Company, under contract with Hall Air Instruments of Santa Barbara, California. When Hall was subsequently acquired by 3M Company, the 3M Craniotome became widely used in neurosurgery, replacing the Gigli saw as the primary means of opening the skull for access to the brain for surgical procedures.

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