System and method for maintaining stimulation pulse amplitude at

Details System and method for maintaining stimulation pulse amplitude at System and method for maintaining stimulation pulse amplitude at

1991-04-26

1992-07-07

Kamm, William E.

Surgery

Truss

Pad

A61N 1362

Patent

active

051274027

ABSTRACT:
A system within an implantable stimulation device and a method for limiting the extent to which any high power consumption modes, such as a rate response mode, can be utilized during low battery periods. A battery threshold detector is utilized to detect when the battery is below a predetermined threshold. The implantable stimulation device then switches from a high current drain mode of operation to progressively lower current drain modes of operation. This configuration allows a significant reduction in current drain at RRT and further prevents the output amplitude from dropping below the capture level and prevents the remaining battery capacity from being rapidly used up.

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patent: 4390020 (1983-06-01), Herpers
patent: 4416282 (1983-11-01), Saulson et al.

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