Endotracheal and tracheostomy tube cuffs

Details Endotracheal and tracheostomy tube cuffs Endotracheal and tracheostomy tube cuffs

A - Human Necessities

61

M

128/127.1

A61M 25/00 (2006.01)

Patent

CA 1153661

Inventor: JULIAN MEYER LEIGH Title: ENDOTRACHEAL AND TRACHEOSTOMY TUBE CUFFS ABSTRACT OF THE DISCLOSURE An endotracheal tube cuff has a passive external diameter not less than 4 times its internal diameter and a length 8 to 10 times its internal diameter. These dimen- sions and the wall material are chosen so as to utilize viscosity and surface tension effects to achieve a seal with the tracheal wall. The carinal end of the cuff has a concave configuration and the laryngeal end is optionally tapered.

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