An intubation device

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/04 (2006.01)

Patent

CA 2341653

An intubation device comprises an airway tube (10) a distal end of which is surrounded by an inflatable cuff (12) which is shaped and dimensioned to lie, in use, between the soft palate and the laryngeal inlet posteriorly of the palatopharyngeal folds. When inflated the cuff (12) has roughly the shape of the frustum of a four-sided pyramid with rounded corners and tapers away from its distal end. The distal end of the tube (10) is recessed into the distal end of the cuff so that the latter is an annular protrusion (13) adapted to straddle the upper region of but not to surround the elliptical epiglottis (14) and to fill the piriform fossae (15) on either side thereof.

L'invention concerne un dispositif d'intubation comprenant un tube à air (10), dont une extrémité distale est entourée par une sonde à ballonnet gonflable (12) présentant une forme et des dimensions telles qu'elle peut être placée entre le palais mou et l'orifice laryngé derrière les replis laryngés du palais. Une fois gonflée, la sonde à ballonnet (12) présente approximativement la forme d'un tronc d'une pyramide à quatre côtés pourvue de coins arrondis, et se rétrécit en s'éloignant de son extrémité distale. L'extrémité distale du tube (10) est encastrée dans l'extrémité distale de la sonde à ballonnet, de manière à ce que cette dernière forme une partie saillante annulaire (13) pouvant enjamber la zone supérieure de l'épiglotte elliptique (14) mais non l'entourer, et pouvant remplir les gouttières pharyngolaryngées (15) de chaque côté.

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