Computerized pulmonary analyzer

Details Computerized pulmonary analyzer Computerized pulmonary analyzer

1975-02-07

1976-08-31

Michell, Robert W.

Surgery

Truss

Perineal

128 208, 73 23, 73195, 734215R, A61B 508

Patent

active

039773949

ABSTRACT:
A programmable digital computer receives an electrical signal from a spirometer into which a person under test breathes. The signal is representative of the volume of air expired by the person. The computer controls a matrix printer. Data may be entered into the computer via a keyboard. The computer instructs the operator as to when identification data may be entered via the keyboard. The operator indicates which test is to be conducted by actuating the keyboard; and the computer receives the data and indicates whether acquired test data is acceptable. The operator tells the test subject which breathing maneuver he must follow for a desired test. The computer stores the test results and the operator may then have the measurement test results analyzed by the computer, compared with standardized predicted values, and printed on a permanent record. The system is capable of measuring, analyzing and computing values for standard Forced Expiratory Volume, Maximal Voluntary Ventilation, Minute Ventilation and Functional Residual Capacity tests.

REFERENCES:
patent: 3726270 (1973-04-01), Griffis et al.
patent: 3739159 (1973-06-01), Nalley
patent: 3771512 (1973-11-01), Jones et al.
patent: 3785370 (1974-01-01), Richards
Hilberman et al., "On-Line Assessment . . . ill," J. A. Advancement of Med. Inst., vol. 6, Jan.-Feb. 1972, pp. 65-69.
Vallbona et al., "Computer Analysis . . . Status," Computers & Biotled, Research, 4, No. 6, pp. 623-633, (1971).
"Pulmonary Function Study Equipment," Am Journal of Physical Med., vol. 19, No. 3, pp. 208-209, 1970.
Watson et al., "Automated System . . . Breathing," Med. Inst., vol. 9, No. 1, Jan.-Feb. 1975, pp. 3-10.

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