What are Passive HME Filters?
This is a hygroscopic sieve that substitutes the normal warming, humidifying, and sieving functions of the upper airways when these structures are sidestepped during anesthesia and intensive care. Structure of the HME Surely, there are vast droves of them, and they come in all forms and sizes. The rudimentary types though remain the same. The HME Filter bought from HME Filter Dealers at a rudimentary level is a box with some crumpled-up cardboard inside it. The covering is naturally made of transparent plastic and is practically impermeable. Surely, it does not seem to donate to the circuit escapes. Device dead space The capacity of the HME differs but inclines to be as low as can be attained because the HME snips gas from your tidal volume. This is no matter for the huge seven-foot-tall Maori football player intubated for their elective arthroscopy because their tidal capacity is about 1000mle and they don't care about a little extra "device dead space"...