insufflation (in-suf-fla's hun)

The act of blowing a gas, a vapor, air (often charged with a finely divided medicament), or a powder into a cavi.ty. pulmonary i. 1. The act of injecting the lung with air by blowing it into the mouth or nose, or by the use of a bellows inserted into an opening in the trachea, the air being artificially warmed and charged with the proper moisture; used in the asphyxia of new-born children, and in that due to opium, coal gas, submersion, etc. 2. The i. into the trachea and bronchi, and even the ultimate air pa ages, of air (sometimes compre ed or rarefied) charged with medicinal vapors or impalpable powders. [Lat., insufflare, to blow into or upon.] insufflator (in's uf-fla-tor). ^ An instrument for producing insufflation.