The venturi mask, also known as an air-entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy.[1][2] The mask was invented by Moran Campbell at McMaster University Medical School as a replacement for intermittent oxygen treatment. Dr. Campbell was fond of quoting John Scott Haldane's description of intermittent oxygen treatment; "bringing a drowning man to the surface – occasionally".[3][4] By contrast the venturi mask offered a constant supply of oxygen at a much more precise range of concentrations.
^Use of a reservoir nasal cannula in hospitalized patients with refractory hypoxemia; Sheehan, JC, O'Donohue, WJ; Chest. 1996; 110:s1.
^Gibson, G. J. (2004-09-01). "Moran Campbell and clinical science". Thorax. 59 (9): 737–740. doi:10.1136/thx.2004.032219. ISSN 0040-6376. PMC 1747134. PMID 15333847.
^Sekhar, KC; Rao, SSC Chakra (2014). "John Scott Haldane: The father of oxygen therapy". Indian Journal of Anaesthesia. 58 (3): 350–352. doi:10.4103/0019-5049.135087. ISSN 0019-5049. PMC 4091013. PMID 25024490.
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