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Original Article

A Heat-And-Moisture Exchanger for Post-Tracheotomy Care An Experimental Study

Pages 461-472 | Received 14 May 1960, Published online: 08 Jul 2009
 

Abstract

This paper deals with the variations in perspiratio insensibilis during normal nasal respiration and breathing through a tracheostoma. Widely used methods for moistening the inspired air of tracheotomized patients are listed and discussed. An aluminium foil heat-and-moisture exchanger (HME) for direct application to the tracheal cannula is described and tested experimentally in order to determine its air flow resistance as well as its heat and moisture recovery efficiency.

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