Tracheostomy tube with inner cannula and obturator for regular and extra-long stomas
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United States of America Patent
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Issued Date -
Mar 12, 2009
app pub date -
Sep 12, 2007
filing date -
Sep 12, 2007
priority date (Note) -
Abandoned
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Abstract
This invention relates to a dual-cannula tracheostomy device comprising an outer cannula and an inner cannula for insertion into the trachea of patients with normal-sized and extra-long stomas. The inner cannula comprises an interlocking means which interacts with a connecting means on the outer cannula in order to stabilize the inner cannula when it is inserted in the outer cannula. The inner cannula may also comprise a gripping means, such as ridges, which improve handling of the inner cannula during its insertion and removal from the outer cannula. The invention further comprises an obturator to help guide the outer cannula while it is being inserted into the trachea. The obturator similarly comprises an interlocking means which interacts with the connecting means on the outer cannula to stabilize the obturator while it is inserted in the outer cannula. Finally, the invention comprises a method of inserting the tracheostomy device into the trachea of a patient.
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