Valved fenestrated tracheotomy tube having outer and inner cannulae
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United States of America Patent
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Aug 2, 2011
Grant Date -
Jun 28, 2007
app pub date -
Dec 27, 2005
filing date -
Dec 27, 2005
priority date (Note) -
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Abstract
A tracheotomy tube apparatus includes an outer cannula having first and second ends, a fenestration along the length of the outer cannula between the first and second ends, and a first inner cannula sized for insertion into the outer cannula. The first inner cannula includes a resilient region which lies adjacent the fenestration when the first inner cannula is properly oriented within the outer cannula, and a valve operatively associated with the first inner cannula. A region between the resilient region and the valve provides a passageway between the first inner cannula and the outer cannula when the first inner cannula is properly oriented within the outer cannula.
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