A medical device for insertion into a body passage, such as endotracheal tube, including a system for the delivery of a topically active agent, such as an anesthetic or antibiotic. In a preferred embodiment, a conventional cuffed endotracheal tube is provided with an annular chamber circumferentially...http://www.google.fr/patents/US4327721?utm_source=gb-gplus-shareBrevet US4327721 - Endotracheal tube with topical agent delivery system and method of using the same
Endotracheal tube with topical agent delivery system and method of using the ...
