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Article
June 3, 1893

NEW INSTRUMENT.

JAMA. 1893;XX(22):618. doi:10.1001/jama.1893.02420490022014

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Abstract

The accompanying cut represents a set of tubes which I have used for some time past for the purpose of making post nasal and intra-laryngeal injections. They are made of pure silver and can be bent to a limited extent if desired. I found that hard rubber is not suitable owing to its brittleness during cold weather.

The post nasal tube terminates in a slight bulb with several openings after the fashion of a spray. One of the laryngeal tubes is similarly made, while the other is of equal caliber throughout. The fourth tube being also of equal caliber throughout, is longer to enable one to pass its end below the level of the vocal chords and make the injection into the trachea.

The tubes are made to fit the ordinary combined hypodermic and aspirating syringe sold by instrument makers. On the piston rod of the syringe there

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