Asthma drug inhaler with whistle

Surgery – Liquid medicament atomizer or sprayer – Pre-pressurized container holding medicament

Reexamination Certificate

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C128S203150, C128S205230

Reexamination Certificate

active

06990976

ABSTRACT:
An asthma drug inhaler is provided with a whistle. The whistle may be attached to a small opening for air intake. The air intake may be part of a mouthpiece located on an inhalation passage of finely powdered drug. The whistle makes a sound when the inhalation is properly done.

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McGavin, C.R. “A Modified Aerosol Inhaler for Teaching Technique.” The Lancet, vol. 2, No. 7997, pp. 1227. Dec. 4, 1976.

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