Invention Grant
US07987851B2 Valved fenestrated tracheotomy tube having outer and inner cannulae 有权
带有开口的气管切开管,具有外套管和内套管

Valved fenestrated tracheotomy tube having outer and inner cannulae
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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