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Respiratory gas humidification is a method of artificially conditioning respiratory gas for the patient during therapy, and involves humidification, warming, and occasionally filtration of the gas being delivered. If these three measures are not performed to compensate for the natural conditioning of air by the respiratory system, lung ...
Humidification and suctioning are necessary to manage secretions in patients on mechanical ventilation. According to Branson (2007), the optimal humidification level "has been not well defined, but it is clear that in a patient with thick and copious secretions a heated humidifier is preferred to an HME".
The development of heated humidified high flow started in 1999 with Vapotherm introducing the concept of high flow use with race horses. [2]High flow was approved by the U.S. Food and Drug Administration in the early 2000s and used as an alternative to positive airway pressure for treatment of apnea of prematurity in neonates. [3]
Respiratory humidification during surgery helps maintain body temperature and normal function of the respiratory mucosa. [31] [32] In the same way that some animals pant to lose excess body heat, heat is lost through the lungs during mechanical or assisted ventilation. Heated humidification of respiratory gases during surgery has been ...
Oxygen therapy can also dry out the nasal mucosa without humidification. [1] In most conditions, an oxygen saturation of 94–96% is adequate, while in those at risk of carbon dioxide retention, saturations of 88–92% are preferred. [1] [8] In cases of carbon monoxide toxicity or cardiac arrest, saturations should be as high as possible.
An open-source ventilator is a disaster-situation ventilator made using a freely-licensed design, and ideally, freely-available components and parts. Designs, components, and parts may be anywhere from completely reverse-engineered to completely new creations, components may be adaptations of various inexpensive existing products, and special ...
This allows both spontaneous and controlled ventilation, as well as the application of continuous positive airway pressure. The Humphrey ADE is a multifunctional breathing system which can be converted into a type A, D or E system depending on the requirements by flipping a lever to change the order of the fresh gas, reservoir and valves.
The water is usually supplied by manually filling the unit on a periodic basis. Top fill: A top fill tank has a hole at the top to make it convenient to refill the tank on daily basis. Bottom fill: Bottom filled humidifiers has removable water tank, often attached with a replaceable demineralization filter.