Apparatus for the determination of the respiratory passageway re

Details Apparatus for the determination of the respiratory passageway re Apparatus for the determination of the respiratory passageway re

1976-02-20

1977-10-04

Michell, Robert W.

Surgery

Truss

Perineal

A61B 508

Patent

active

040518434

ABSTRACT:
An apparatus for the determination of the respiratory passageway resistance. Apparatus of that type in general evidence a flow resistance located in the respiratory passageway, whose resistance value is periodically varied at a frequency which is located above the breathing frequency, or a breathing tube with a flow resistance and a pulse generator for subjecting the breath flow with higher-frequencied pressure- or, respectively flow pulsations.

REFERENCES:
patent: 1817145 (1931-08-01), Hobart
patent: 3036569 (1962-05-01), Clements et al.
patent: 3598111 (1971-08-01), Kahn et al.
patent: 3726271 (1973-04-01), Mondshine et al.
patent: 3857385 (1974-12-01), Hampl
patent: 3903742 (1975-09-01), Colton
patent: 3949739 (1976-04-01), Rodder
patent: 3960142 (1976-06-01), Elliot et al.

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