Inhalation device

Details Inhalation device Inhalation device

1976-02-11

1978-05-02

Howell, Kyle L.

Surgery

Truss

Perineal

272 99, A63B 2300

Patent

active

040869180

ABSTRACT:
An inhalation device which induces respiratory exercise and which is inexpensive, safe and easy to handle and operate. The device includes a flow measurement container in which is housed a flow rate indicator, such as a light-weight article or ball, that normally rests at the bottom of the container. Extending through the top wall are opposed ports. A restricted port connects the chamber to atmosphere and a large opposing port to a passageway through which a person inhales. With the inhalation device of the invention, the user, nurse, or therapist can readily measure the amount inspired. A predetermined amount of inhalation for a given time is required to raise the indicator to the top of the container and predetermined additional amounts of inhalation for a given additional times are required to maintain the article at the top thereof.

REFERENCES:
patent: 393869 (1888-12-01), Warren
patent: 515637 (1894-02-01), Wilhide
patent: 714141 (1902-11-01), Cady
patent: 793177 (1905-06-01), Cady
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patent: 3087278 (1963-04-01), Waggle, Jr.
patent: 3633421 (1972-01-01), Phillips
patent: 3695608 (1972-10-01), Hanson
patent: 3754546 (1973-08-01), Cooper
patent: 3898987 (1975-08-01), Elam

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