The Transcend CPAP is different from other CPAPs in a number of ways. One of the most innovative is the use of HME, or heat moisture exchange, technology. Transcend is the first CPAP to use an HME, but the HME has been around for decades and is used to provide humidified air to patients on ventilation. Chances are you’ve seen an oxygen mask on someone—either at a hospital or even in a movie or television show—who has needed critical or chronic care. What you may not have realized is that an HME was providing warm, moist air to the patient.
An HME works by capturing the heat and moisture from your exhaled air. On inhalation, that warm, moist air is transferred back to you, keeping your nose and mouth comfortable. The HME itself is a very small, circular disk (Transcend’s HME is 1” x 1” x .5”) consisting of foam or paper and coated with a hygroscopic chemical such as calcium or lithium chloride, which increases its capacity to absorb and release moisture. Pretty cool.
HMEs are safe and have been scientifically proven to reduce the risk of contamination in a ventilation circuit. Plus, Transcend is designed to measure and regulate pressure distal to the HME and to the patient. That means any potential change in pressure across the HME is immediately compensated for when breathing in and breathing out.
Because Transcend uses an HME system for humidification, there’s no need for a big, bulky humidifying chamber. The HME is integrated right into the mask interface of Transcend. And, with no water to heat, Transcend also uses significantly less power as compared to other CPAPs with humidifiers.
Now that’s innovative! To learn more about Transcend, visit our website.
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