Device for measuring respiration volume

Details Device for measuring respiration volume Device for measuring respiration volume

1979-11-02

1982-05-04

Cohen, Lee S.

Surgery

Truss

Pad

272 99, A61B 508

Patent

active

043277411

ABSTRACT:
A device for measuring a predetermined respiratory volume comprises an elongate, air-tight flexible bag of the predetermined volume, the bag being closed at one end and open at the other; and an elongate substantially rigid tubular member extending into the bag through its open end and occupying a major portion of the length of the bag, the bag being secured at its open end to the tubular member for forming an air-tight seal between the bag and the tubular member, the portion of the tubular member extending into the bag having a plurality of distributed apertures along its length and the portion of the tubular member outside the bag having at least one opening defining a mouthpiece.

REFERENCES:
patent: 327403 (1885-09-01), McDonnell
patent: 821664 (1906-05-01), Morris
patent: 3512521 (1970-05-01), Jones
patent: 3635214 (1972-01-01), Rand et al.
patent: 3777571 (1973-12-01), Jaeger
patent: 3810461 (1974-05-01), McCormick
patent: 3923043 (1975-12-01), Yanda
Cooper et al., "A Bag for Measuring Respiratory Volumes", The Lancet, Feb. 13, 1960, p. 369.

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