The instruments are constructed of ordinary steel wire, no. 14, standard American wire gage. The ends are of various lengths to fit the tubes, as shown in B of the illustration. For the smallest tubes, wire of smaller gage should be used.
Instruments for direct intubation and extubation.
The shaft of the extubator (C) is bent so that it will catch on the upper distal end of the tube. If necessary it may be disengaged by inverting and withdrawing, as shown in D.
The advantages claimed for these instruments are: (1) ease of manipulation; (2) flexibility of the shaft, which allows latitude in the direction of the tube, and (3) the fact that if either manipulation should be prolonged the patient can breathe easily through the tube during that time.
BOYD E. SIMPLE INSTRUMENTS FOR DIRECT INTUBATION AND EXTUBATION. Arch Otolaryngol. 1929;10(2):193. doi:10.1001/archotol.1929.00620050089012
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