Inspiratory muscle training device with variable loading

Details Inspiratory muscle training device with variable loading Inspiratory muscle training device with variable loading

A - Human Necessities

63

B

A63B 23/18 (2006.01)

Patent

CA 2347751

An inspiratory muscle training device comprises a chamber (29) having an opening (27) for the passage of air to be inhaled and exhaled and an inlet permitting air to be inhaled to enter the chamber and to pass to the opening. A one-way exhaust valve permits exhaled air entering through the opening to escape from the chamber. Means such as a valve (1; 103) is provided to resist the entry of air to be inhaled into the chamber. The means (1; 103) to resist the entry of air includes means (3, 7, 9; 113, 115) to vary the degree of resistance in dependence upon the volume of air that has passed through the inlet.

Selon cette invention, un dispositif d'entraînement inspiratoire comprend une chambre (29) comportant une ouverture (27) destinée au passage de l'air inhalé et expiré et une entrée permettant à l'air inhalé de pénétrer dans la chambre et d'arriver jusqu'à l'ouverture. Une soupape d'évacuation à simple action permet à l'air expiré, qui pénètre à travers l'ouverture, de quitter la chambre. Des dispositifs tels qu'une soupape (1; 103) servent à résister à l'entrée de l'air inhalé dans la chambre. Le dispositif (1; 103) résistant à l'entrée de l'air comprend des systèmes (3, 7, 9; 113, 115) permettant de modifier le degré de résistance en fonction du volume de l'air qui est passé par l'entrée.

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