Spirometer
Published • Dec 13, 1990
Authors:,
Waterson Charles K.
Ebeling Frederick A.
Abstract
A self-contained portable spirometer (10) includes a housing (12) and an air tube (16) with an orifice. Within the housing there is a transducer (44) and microprocessor-based circuitry for generating standard exhaled air measurements such as FEV1 and PFER. These measurements are displayed on a scree...
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