Disposable tracheostomy inner cannula.
D003365:Costs and Cost Analysis; D003428:Cross Infection / Q000517:prevention & control*; D004209:Disposable Equipment / Q000592:standards*; D004866:Equipment Contamination / Q000517:prevention & control; D005069:Evaluation Studies as Topic; D006801:Humans; D013997:Time Factors; D014140:Tracheotomy / Q000295:instrumentation*