Apparatus for and method of programming the minimum energy threshold for pacing pulses to be applied to a patient's heart
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United States of America Patent
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-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Nov 6, 1978
filing date -
Nov 6, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus is disclosed for programming a threshold mode of operation into a pacing generator whereby the minimum level of energy of the stimulating pulse as generated by the pacing generator is determined. First, the original level of energy of the stimulating pulses is determined when this mode is commenced. The original energy level and in particular the pulse width is decremented by a predetermined incremental amount, and an encoded signal indicative of the new reduced pulse width is transmitted to the pacing generator, whereby the pacing generator applies the pulses of the reduced pulse width to the patient's heart. Further, there is included means for counting the number of pulses of reduced pulse width and after the application of a given number of pulses by the pacing generator to the patient's heart, the programming apparatus programs a new energy level decremented from the previously programmed value to be then transmitted to the pacing generator.
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