Battery charge indicator for implantable pacemakers and...

Details Battery charge indicator for implantable pacemakers and... Battery charge indicator for implantable pacemakers and...

2007-05-08

2007-05-08

Evanisko, George R. (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S027000

Reexamination Certificate

active

10636724

ABSTRACT:
Current usage from a battery in an implantable cardiac device is tracked. The apparatus includes a battery current sensor having multiple current ranges. The current sensor produces a first signal representative of current drawn from a battery. A current range selector selects a current range for the battery current sensor and produces a second signal representative of the current range. An accumulator accumulates the first signal based on the second signal over time to generate an output signal representing usage of the battery.

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