Tracheal ventilating device

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/04 (2006.01)

Patent

CA 2322460

The invention relates to a tracheal breathing apparatus (1, 35), especially a tracheal tube (1) or cannula (35) which obturates the trachea (2) as hermetically as possible to enable the patient to breathe, comprising a cuffed balloon (5) which blocks the trachea (2) below the glottis (21). A respiratory cannula (3) passes through the balloon (5) which, when inflated and freely unfolded without any limitation is larger than when it is placed in the trachea (2) in an inflated state and is made from a soft flexible foil strip material. In order to intubate a patient with said device as easily as possible at low pressure over a long period of time and with a low risk of infection, the draped fold of the cuffed balloon (5) rests on the trachea and is designed in such a way that the loop (12) at the end of the fold has a small diameter which inhibits the free flow of secretion through the loop (12) of said fold.

L'invention concerne un dispositif de respiration trachéale (1, 35), notamment un tube endotrachéal (1) ou une canule de trachéotomie (35), qui obture le plus hermétiquement possible la trachée (2) pour permettre la respiration d'un patient, et qui comporte un ballonnet (5) bloquant la trachée (2) au-dessous de la glotte (21). Une canule de respiration (3) passe à travers ce ballonnet (5), lequel, une fois gonflé et déployable librement sans entrave est plus grand que lorsqu'il est mis en place dans la trachée (2) une fois gonflé, et est constitué d'une feuille continue non rigide flexible. En vue de permettre l'intubation d'un patient avec ce dispositif, avec tous les ménagements possibles, à de faibles pressions sur une longue durée, et avec un risque d'infection minime, le ballonnet (5) est en appui, par le drapé du repli, sur la trachée et est configuré de telle manière que la boucle (12) du repli se formant à l'extrémité d'un repli (10) présente un faible diamètre empêchant le libre passage de la sécrétion par la boucle (12) du repli.

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