Disposable inner cannula tracheotomy tube: a prospective clinical trial.
D002404:Catheterization; D002986:Clinical Trials as Topic; D004209:Disposable Equipment; D006801:Humans; D007442:Intubation, Intratracheal; D011446:Prospective Studies; D011897:Random Allocation; D014139:Tracheostomy / Q000295:instrumentation*; D014140:Tracheotomy / Q000295:instrumentation*