Enhanced power efficiency in implantable cardiac stimulation...

Details Enhanced power efficiency in implantable cardiac stimulation... Enhanced power efficiency in implantable cardiac stimulation...

2005-08-23

2005-08-23

Manuel, George (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

06934584

ABSTRACT:
Pacing pulse power efficiency is increased in an implantable cardiac stimulation device. The invention includes a cardiac function sensor for sensing cardiac functions. A controller is coupled to the sensor for determining a required cardiac pacing pulse voltage level. A determining means is coupled to the controller for determining a desired battery voltage multiplication factor as a function of the required pacing pulse voltage level. A setting means is coupled to the determining means for setting a battery voltage multiplier to multiply the battery voltage to a level as close as possible to the required pacing pulse voltage level.

REFERENCES:
patent: 3878450 (1975-04-01), Greatbatch
patent: 4050004 (1977-09-01), Greatbatch
patent: 5076272 (1991-12-01), Ferek-Petric
patent: 6501986 (2002-12-01), Schaldach et al.

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