Tracheal tube devices

Details Tracheal tube devices Tracheal tube devices

A - Human Necessities

61

M

A61M 16/04 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2246170

An endotracheal tube 10 has an inflatable bag 20 towards its patient end for sealing with the inside of the trachea 11. Additionally, the tube 10 has a second, longer bag 50 separately inflatable to a lower pressure than the first bag 20 and such as to extend along the tube 10 from the first bag 20 to and through the vocal chords and larynx 13 and occupy the space between the first bag and the vocal chords 13. The inflated second tube 50 can thus reduce passage of secretions and minimises the space available for them. A suction line 48 extends along the tube, opening between, or at the interface between, the two bags 20 and 50 so that any body secretions that do pass the second bag can be removed.

Un tube endotrachéal 10 comporte un sac gonflable 20 à l'extrémité où se trouve le patient qui ferme hermétiquement la trachée 11. De plus, le tube 10 comporte un second sac plus long 50 qui peut être gonflé séparément à une pression inférieure à celle du premier sac 20 et s'étend le long du tube 10 à partir du premier sac 20 jusqu'aux cordes vocales et au larynx 13 et occupe l'espace entre le premier sac et les cordes vocales 13. Une fois gonflé, le second tube 50 peut empêcher le passage des sécrétions et réduire au minimum l'espace pour le passage de celles-ci. Une tubulure d'aspiration 48 s'étend le long du tube et s'ouvre entre, ou à l'interface entre, les deux sacs 20 et 50 de sorte que les sécrétions qui réussissent à franchir le second sac puissent être retirées.

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