ENDOTRACHEAL TUBE COMPRISING CORRUGATED CUFF
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
Aug 26, 2011
filing date -
Aug 26, 2011
priority date (Note) -
Abandoned
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Abstract
An endotracheal tube is provided, which has a corrugated cuff and is used for purpose of establishing patent airway and artificial ventilation of a patient in fields such as anesthesiology or emergency medicine. Since the cuff of the endotracheal tube is structured to have a corrugated pattern on an outer surface when expanded, the cuff is able to not only provide original functions of preventing entry of pharyngeal content into trachea by sealing off space between the endotracheal tube and the inner wall of the trachea, and preventing gas leakage during positive pressure ventilation, but also greatly reduce incurrence of complications after use of the endotracheal tube such as ischemic damage or sore throat by minimizing contact surface between the cuff and the tracheal mucous membrane.
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