Endotracheal tube
OwnerBurton Jaffeinventor
Life of this patent
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Abstract
The tube has a round cross-section along the majority of its length but includes a relatively short section that is of a triangular cross-section. This triangular cross-section is positioned along the tube to contact the larynx and matches the shape of the larynx. A cuff extends about the tube below the triangular cross-section area and a pilot tube is provided which connects via a cuff inflation lumen in the wall of the tube to the cuff.
Claims11
An endotracheal tube comprising a pliable hollow plastic tube of a length many times its width having open distal and proximate ends defining a fluid passageway, a section of the tube spaced from either end having a triangular cross-section extending along at least a portion of the tube that would normally contact the larynx and conforming to the shape of the larynx when the tube is in position with the distal end of the tube in the trachea and the proximate end extending from the mouth, a cuff coaxial with and secured to the tube between the distal end and said section, and a cuff inflation lumen extending longitudinally from said cuff lengthwise of the wall of said section toward said proximate end, said section having a substantially uniform wall thickness along its length extending along the tube a distance less than the entire length of the tube with the passageway through said section also having a triangular shape to optimize fluid passage through the tube.
Dependencies are inferred from the claim text.