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Oxygen mask




Inflatable Anaesthetic Face Masks | Armstrong Medical
The liquid passed through several warming stages before use, as expansion when it evaporated, and absorbed latent heat of vaporization , would make the gasified oxygen so cold that it could cause instant frostbite of the lungs. Divers only use pure oxygen for accelerated decompression , or from oxygen rebreathers at shallow depths where the risk of acute oxygen toxicity is acceptable. Oxygen helmets are often preferred for oxygen administration in hyperbaric oxygen chambers for children and patients that are uncomfortable wearing an oxygen mask. If oxygen masks are used that discharge into the chamber, the chamber air must be replaced frequently to keep the oxygen level within safe operating limits.







Description: Some types of oxygen masks have a breathing bag made of plastic or rubber attached to the mask or oxygen supply hose to store a supply of oxygen to allow deep breathing without waste of oxygen with use of simple fixed flow regulators. Many designs of aviator's oxygen masks contain a microphone to transmit speech to other crew members and to the aircraft's radio. In a continuous-flow system , oxygen is provided to the user continuously. Mask design can determine accuracy of oxygen delivered with many various medical situations requiring treatment with oxygen. Silicone and rubber oxygen masks are heavier than plastic masks.
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Date: 03.11.2016
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