A hazardous modification of a heat and moisture exchanger.
Ferguson
A J
AJ
Orr
D A
DA
D000402:Airway Obstruction / Q000209:etiology*; D004867:Equipment Design; D004868:Equipment Failure; D006801:Humans; D006813:Humidity; D008297:Male; D008875:Middle Aged; D014139:Tracheostomy / Q000295:instrumentation*