A conduit for a breathing circuit includes a heater associated, at least in part, with a portion of hydrophilic material. The purpose of the heater is to evaporate any condensed liquid collecting in the conduit, which is first sucked up by the hydrophilic material. The heated wick reduces the risk of...http://www.google.de/patents/US7559324?utm_source=gb-gplus-sharePatent US7559324 - Conduit with heated wick
