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electronic delivery system An electronic delivery system (EDS) is an electronically controlled system of supplemental oxygen delivery, which supplies a pulse dose (bolus) of oxygen at the start of inhalation to economise on oxygen use., [23] See also electrical pulse demand oxygen system. emergency escape breathing device emergency evacuation ...
An automatic regulator dispenses oxygen via nasal cannula in the correct amount and rate based upon altitude and the individual’s breathing rate. [6] It replaces the Helicopter Oxygen System, which weighed well over 100 pounds, tethered the user to the aircraft, and could not be fitted on all Army rotary wing aircraft. Over 1,700 systems have ...
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.
Demand oxygen delivery systems (DODS) or oxygen resuscitators deliver oxygen only when the person inhales or the caregiver presses a button on the mask (e.g., nonbreathing patient). [69] These systems greatly conserve oxygen compared to steady-flow masks, and are useful in emergency situations when a limited supply of oxygen is available and ...
The entire system can usually be reset in the cockpit or in some other location in the aircraft. [citation needed] A decentralized gaseous system, often called a pulse oxygen system, [4] is used on some modern airliners such as the Boeing 787. These systems have a small high pressure gas cylinder to support the number of masks located within ...
The oxygen source may be chemical oxygen generators, high pressure portable gaseous oxygen storage systems (gas cylinders), on-board oxygen generating systems (oxygen concentrators), or liquid oxygen systems. [4] Chemical oxygen generation is commonly used on large commercial aircraft as a source for the emergency oxygen system for passengers ...
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Oxygen can be delivered to spontaneously breathing patients via nasal cannula, face mask, artificial airway, or by built-in breathing system demand mask or oxygen hood in a hyperbaric chamber. [49] [50] Delivery may be by continuous flow, by bag reservoir mask, on demand, or on pulse demand. [43]