Direct-coupled output stage for rapid-signal biological stimulat

Surgery – Truss – Pad

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A61N 136

Patent

active

043998186

ABSTRACT:
There is disclosed a direct-coupled output stage which is especially advantageous for use in an implantable heart pacer. In order to provide for charge balancing at the electrode/electrolyte interfaces, the electrodes are shorted to each other after a pacing pulse is generated. Not only is the use of a bulky coupling capacitor avoided, but the stored charge dissipates in a much shorter time, thereby minimizing the "blind" interval in the sensing cycle.

REFERENCES:
patent: 4114627 (1978-09-01), Lewyn et al.
patent: 4114628 (1978-09-01), Rizk
patent: 4300566 (1981-11-01), Stindt et al.

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