Anesthesia for head-surgery certainly presents difficulties for the anesthetist. In order to insure greater safety to the patient and less interference of the anesthetist with the surgeon during an operation on the head, many inhalers have been produced, Nasal tubes for such purposes of anesthesia were introduced in 1908 by Dr. Edwin Pynchon of Chicago and Dr. Stuart B. Blakely of New York independently. Since one of these instruments allows the entrance of too much air and the other does not provide sufficient air, I have devised an instrument which experience has proved to be more practical than any other on the market.
My apparatus consists of two glass tubes (Fig. 1, A and B) so bent that each will properly fit a nostril. These tips are connected with the mechanism which supplies the anesthetic vapor by means of two soft rubber tubes ( Fig. 1, C), joined together at the
LUMBARD JE. AN IMPROVED METHOD OF GENERAL ANESTHESIA IN HEAD-SURGERY BY MEANS OF GLASS NASAL TUBES. JAMA. 1910;55(15):1258–1259. doi:10.1001/jama.1910.04330150018006
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