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—We find in the Boston Medical and Surgical Journal, for December 3, a paragraph which describes the manner in which electricity was made serviceable for the detection and recovery of a lost intubation tube. A child between two and three years of age, suffering from croup, underwent the operation of intubation with success, but when the surgeon, Dr. J. Mount Bleyer, went to remove the tube, the latter could not be found. In the hope that the tube might be retained in the upper air passages, he resorted to the use of a telephonic test to locate the position of the tube. A metallic probe was attached to an electric wire which terminated in a telephonic receiver; this probe was passed down through the larynx and when it touched the lost tube a distinct click was communicated to the ear through the receiver. In this manner the distance below the
Recovery of a Lost Intubation Tube.. JAMA. 1892;XVIII(2):52. doi:10.1001/jama.1892.02411060022006
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