System and method for triggering a device based on an...

Details System and method for triggering a device based on an... System and method for triggering a device based on an...

2011-04-05

2011-04-05

Chen, Tse (Department: 3777)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S516000, C600S510000, C600S517000, C600S514000, C600S509000, C600S508000

Reexamination Certificate

active

07920912

ABSTRACT:
A system and method for triggering an external device in response to an electrocardiogram signal. In one embodiment the method includes determining a peak in the electrocardiogram signal, determining if the electrocardiogram signal is rising or falling at the peak in the signal and triggering a device in response to the rising or falling peak. In one embodiment of the invention an external trigger signal is produced only a rising peak is detected. In one embodiment, the system includes a microprocessor, a peak detector and a trigger circuit. The trigger circuit outputs a trigger signal to an external device when signaled by the peak detector and not inhibited by a signal from the microprocessor.

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International Search Report and Written Opinion, mailed from the International Search Authority on Apr. 18, 2007.

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