Cardiac monitor with rate limit means

Details Cardiac monitor with rate limit means Cardiac monitor with rate limit means

1976-03-01

1978-06-27

Howell, Kyle L.

Surgery

Truss

Perineal

128 206F, A61B 502

Patent

active

040968545

ABSTRACT:
A cardiac monitor comprises a transducer worn on the body and adapted to produce an electrical pulse in response to each heart beat of the wearer. The transducer output is fed into a rate logic circuit which generates a heart beat rate signal representative of the pulse rate of the wearer and the rate signal is stored in a temporary memory which is continuously and periodically updated. The output from the temporary heart beat memory is fed into the multiplexer so that both the wearer's pulse rate and the elapsed time of the stop watch may be alternatively displayed on the common display means by manually activating the multiplexer. In the preferred form of the invention, a pair of separated pulse rate values are preset by the user and are then stored in the cardiac monitor so that an indicator is activated when the pulse rate exceeds one of the rate values or drops below the other rate value.

REFERENCES:
patent: 2848992 (1958-08-01), Pigeon
patent: 3661147 (1972-05-01), Mason et al.
patent: 3717140 (1973-02-01), Greenwood
patent: 3742937 (1973-07-01), Manuel et al.
patent: 3807388 (1974-04-01), Orr et al.
patent: 3838684 (1974-10-01), Manuel et al.
patent: 3863626 (1975-02-01), Huber
patent: 3978849 (1976-09-01), Geneen
patent: 4022192 (1977-05-01), Laukien

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