Patient oxygen delivery mask

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/06 (2006.01)

Patent

CA 2646482

A mask for delivery of oxygen to a patient, includes a body having a rim to sit comfortably on a patient's face, a central portion, and webs extending between the central portion and the peripheral portion and integral therewith. The webs define open areas that make up at least 30% of the mask body. The central portion includes a gas diffuser shaped to direct a turbulent gas plume over the patient's nose and mouth. The dimensions of the diffuser permit formation of a suitable gas plume over a range of oxygen delivery rates.

La présente invention concerne un masque pour distribuer de l'oxygène à un patient, et qui comprend un corps ayant un bord à poser confortablement sur le visage d'un patient, une partie centrale, et des bandes de tissu s'étendant entre la partie centrale et la partie périphérique et faisant partie intégrante de celles-ci. Les bandes de tissu définissent des zones qui représentent au moins 30 % du corps de masque. La partie centrale comprend un dispositif de diffusion de gaz dont la forme est adaptée pour diriger un panache de gaz turbulent sur le nez et la bouche d'un patient. Les dimensions du dispositif de diffusion permettent la formation d'un panache de gaz adapté pour une gamme de débits de distribution d'oxygène.

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