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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||128/20716 ; 137/517|
|발명자 / 주소||
|인용정보||피인용 횟수 : 53 인용 특허 : 1|
A valve and method for use with a tracheotomy tube is presented wherein a flexible diaphragm is located a predetermined distance from a valve seat, the diaphragm being sized to allow air to flow around its periphery in either direction responsive to normal breathing through a tracheotomy tube, and to evert into sealing engagement with the valve seat to block air flow out of the tracheotomy tube responsive to air flow above that present in normal breathing. The diaphragm is in one end of a first barrel and the valve seat is in a second barrel sized to be ...
A valve for use with a tracheotomy tube comprising a valve body having an air passageway therethrough, said valve body including means for connecting said passageway with a tracheotomy tube, a post in said air passageway, means for centering said post in said air passageway and allowing passage of air through said air passageway, flexible diaphragm means whose center is attached to said post and sized to fit within said air passageway, and a valve seat at one end of said air passageway and spaced a predetermined distance from said diaphragm means, said v...