Peak flow and pulmonary incentive meter

Details Peak flow and pulmonary incentive meter Peak flow and pulmonary incentive meter

G - Physics

01

F

73/37

G01F 3/24 (2006.01)

Patent

CA 1229238

PEAK FLOW AND PULMONARY INCENTIVE METER Abstract the Disclosure An apparatus for measuring peak expiratory flow of a human patient and an incentive spirometer has a housing having a passageway and a mouthpiece connected to the passageway. An elongated slender rod extends through the passageway and has a sliding member a predetermined size slideably mounted thereon adapted to slide on the the rod when a patient exhales into the mouthpiece through the passageway. A magnet is attached to the slideable member for sliding therewith to hold the slideable member in position at the maximum position the slideable is raised on the slender rod. The passageway may be tapered in a reves cone shape making the sliding member more difficult to raise as it moves up the passageway so that patients can lift the slideable member, while most patients cannot lift the member all the ay to the top of the passageway. The apparatus serves as an inhalation incentive spirometer by moving the sliding member to the opposite end of the passageway and inhaling throughout the passageway or by placing a second mouthpiece over the opposite end of t passageway for inhaling through.

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