A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/08 (2006.01) A61M 16/00 (2006.01)
Patent
CA 2602779
The present invention refers to a method and a device for indication of the percentage of carbon dioxide in a person's exhaled air, when breathing occurs through a means conducting the air flow. According to the invention, a means for determining the percentage of carbon dioxide is fixed or removably connected to the means conducting the air flow. The percentage of carbon dioxide is established with regard to a lower and/or an upper boundary during determined time intervals. In presented designs of the invention, the lower boundary is 2% and the upper boundary is 7% and the time interval is 2-10 seconds. The device contains, for example, a means to indicate if the upper boundary is exceeded or if the value falls below the lower boundary at any point during the entire time interval, which can be implemented through an alarm with an audio or light signal.
L'invention concerne un procédé et un dispositif permettant d'indiquer le pourcentage de dioxyde de carbone contenu dans l'air exhalé par un individu, lorsque la respiration s'effectue à travers un moyen conduisant le flux d'air. Un moyen de détermination de ce pourcentage est fixé ou relié amovible au moyen conduisant le flux d'air. Ce pourcentage est établi par rapport à une limite inférieure et/ou supérieure pendant des intervalles temporels déterminés. Dans les conceptions de l'invention, la limite inférieure est fixée à 2 %, la limite supérieure à 7 %, et l'intervalle temporel à 2-7 secondes. Le dispositif contient, par exemple, un moyen d'indiquer si la limite supérieure est dépassée ou si la valeur descend sous la limite inférieure à n'importe quel moment pendant l'intervalle temporel entier, ce qui peut être mis en oeuvre par le biais d'une alarme dotée d'un signal sonore ou lumineux.
Cap Safe Sweden Ab
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