Spirometer breathing tube

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/08 (2006.01) A61B 5/093 (2006.01) A61M 16/00 (2006.01)

Patent

CA 2280692

A lightweight and portable volumetric spirometer (10) for measuring the volume and flow rate of air inhaled by human lungs. The spirometer (10) includes a pair of transparent cylindrical chambers (14, 16) which communicate with a breathing assembly tube (36). The breathing tube assembly (36) is uniquely adapted to divide inhaled air into two fixed portions, one portion of which comes from the first chamber (14) and the other portion of which comes from the second chamber (16). The breathing tube (36) is collapsible to shorten its overall length to approximately the height of the spirometer (10) and can be packaged with the spirometer (10) adjacent a carrying handle (20) thereof. When in use, the breathing tube (36) may be extended to approximately three times its collapsed length. The preferred accordion design of the breathing tube (36) also allows it to be adjusted by the user to any preferred configuration.

L'invention concerne un spiromètre volumétrique léger et portable (10), destiné à mesurer le volume et le débit d'air inhalé par des poumons humains. Ce spiromètre (10) comprend deux chambres cylindriques transparentes (14, 16), qui communiquent avec un ensemble tube respiratoire (36). Cet ensemble tube respiratoire (36) est conçu exclusivement pour diviser l'air inhalé en deux parties déterminées, l'une de ces parties venant de la première chambre (14), et l'autre venant de la seconde chambre (16). Le tube respiratoire (36) peut se plier afin de réduire sa longueur totale jusqu'à environ la hauteur du spiromètre (10), et peut également être transporté avec ledit spiromètre (10) au moyen d'une poignée (20) située sur ce dernier. En marche, le tube respiratoire (36) peut s'allonger jusqu'à environ trois fois sa longueur en position pliée. Ce tube respiratoire (36) présente de préférence une structure en accordéon, qui permet à l'utilisateur d'ajuster ledit tube selon sa configuration préférée.

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