Remote pulmonary function tester

Details Remote pulmonary function tester Remote pulmonary function tester

1979-07-26

1981-10-27

Cohen, Lee S.

Surgery

Truss

Pad

128725, 128904, A61B 508

Patent

active

042967562

ABSTRACT:
A remote pulmonary function tester uses a microcomputer to receive patient identification data, direct the test sequence, store several FEV maneuvers, and then transmit the stored data in a digital format to a central computer. The central computer plots a flow volume curve, computes FEV, FEF.sub.25-75% etc., compares these values with normals, and performs a preliminary disease categorization. The pulmonary function tester comprises a flow to pressure transducer, producing an analog signal, an analog to digital converter for digitizing the analog signal, a touch tone keyboard for simple patient identification data entry, and a microcomputer system having a read/write storage for storage of test and patient identification data, communication interface for connection to a central computer through telephone lines, and a read only memory and a central processing unit for control of the tester.

REFERENCES:
patent: 3726270 (1973-04-01), Griffis et al.
patent: 3819863 (1974-06-01), Slaght
patent: 3886314 (1975-05-01), Pori
patent: 3896792 (1975-07-01), Vail et al.
patent: 3924612 (1975-12-01), Dempster et al.
patent: 3977304 (1976-08-01), Jones et al.
patent: 4034743 (1977-07-01), Greenwood et al.
patent: 4129125 (1978-12-01), Lester et al.

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