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THE CEREBELLAR HEAD REST
The cerebellar head rest serves two distinct purposes: First, it holds the head in a prone position so that it can be tilted at all angles, thus giving good exposure of the cerebellum and cervical spine. Second, it is arranged so that the jaw can be moved freely, the nose and mouth are exposed, and an adjustable ether mask can be attached to the frame to enable the administration of ether by the inhalation method without difficulty. The administration of intrapharyngeal or intratracheal anesthesia is also made possible by removing the mask and inserting the intrapharyngeal or intratracheal catheter and attaching it to the anesthetic machine.The ether mask (Fig. 1 d) is easily adjusted; it is secured in position by the curved edges, J. A short tube permanently fixed to the mask provides a means of attaching the ether tube, k. It also directs the
Adson AW, Little GG. HEAD RESTS FOR NEUROLOGIC OPERATIONS. JAMA. 1919;73(17):1282–1283. doi:10.1001/jama.1919.26120430002011b
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