Spirometer for pulmonary measurement

Details Spirometer for pulmonary measurement Spirometer for pulmonary measurement

1989-10-11

1990-07-31

Kamm, William E.

Surgery

Truss

Pad

A61B 508

Patent

active

049443062

ABSTRACT:
An improved spirometer to indicate peak flow expiration from a patient, as well as to enhance pulmonary monitoring. Perpendicular to the standard mouthpiece is a chamber with a centrally positioned rod guiding a spring biased piston, responsive to expiration-induced air flow from the patient.

REFERENCES:
patent: 471389 (1892-03-01), Lacey
patent: 2292474 (1942-08-01), Paxton
patent: 3871364 (1975-03-01), Boehringer
patent: 3958565 (1976-05-01), Wright
patent: 4041935 (1977-08-01), Garbe
patent: 4158360 (1979-06-01), Adams
patent: 4284083 (1981-08-01), Lester
patent: 4403616 (1983-09-01), King

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