Improved laryngoscope blade

A - Human Necessities – 61 – B

Patent

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Details

A61B 1/06 (2006.01) A61B 1/267 (2006.01)

Patent

CA 2326521

This invention is a laryngoscope blade (10) for use with a conventional laryngoscope handle (12), and conventional means (14) for illumination. The improvements to the blade (10) include a small reverse curve at the tip (32) of the blade to better visualize the depth of insertion of the blade; include a greater width of the portion of the blade proximal (22a) to the handle to provide improved means for controlling the tongue; and include a more gradual curvature (20) of the blade to better conform to the shape of the airway opening when the patient is properly positioned for laryngoscopy. The blade may also include a vertical wall (50) which may be thickened to serve as a bite block; raised areas (40) to define grooves on the surface (26) of the blade for insertion of an endotracheal tube, and/or a suction catheter.

L'invention concerne une lame (10) de laryngoscope s'utilisant avec un manche (12) de laryngoscope classique et un dispositif (14) classique d'éclairage. Les perfectionnements apportés à la lame (10) comprennent notamment une petite partie courbe en S située à l'extrémité (32) de la lame, et qui sert à mieux visualiser la profondeur d'insertion de la lame; une partie de lame plus large à proximité (22a) du manche qui constitue un moyen amélioré de maîtrise de la langue; et une courbure (20) plus graduelle de la lame qui permet une meilleure adaptation à la forme de l'orifice respiratoire d'un patient lorsque celui-ci est positionné de façon appropriée en vue d'une laryngoscopie. La lame peut également comporter une paroi (50) verticale qui peut être rendue plus épaisse de façon à servir de pièce de morsure; des zones (40) en relief définissant des rainures sur la surface (26) de la lame qui permettent l'insertion d'un tube endotrachéal et/ou d'un cathéter d'aspiration.

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