Page:Intubation of the Larynx - Waxham (1888).djvu/23

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HISTORY OF INTUBATION.
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cylindrical, thus preventing undue pressure upon the vocal cords. The tubes were next increased in length (Fig. 6). Through the courtesy of Dr.

Fig. 6. O'Dwyer's second Elliptical Tube and the pattern as first used by the Author.

O'Dwyer, I was provided with a set of instruments while they were in this primitive condition, and introduced the operation into my private practice. The instruments consisted of five tubes of various sizes, suitable for different ages; an obturator for each tube (Fig. 7) which screwed upon the introducer

Fig. 7. Obturator for attaching the Tube to the Introducer.

Fig. 8. O'Dwyer's Gag.

(Fig. 9), a gag (Fig. 8) for holding the mouth open, and an extractor (Fig. 10). The tubes were