Defibrillator with current limiter

Details Defibrillator with current limiter Defibrillator with current limiter

1994-06-24

1995-07-18

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

128908, A61N 136

Patent

active

054337321

ABSTRACT:
An implantable defibrillator has a charging circuit which charges a capacitance, electrodes for delivering energy from the capacitance to a heart, and a switching stage for discharging the capacitance through the electrodes and across heart tissue to defibrillate the heart, as needed. A non-inductive current limiter is connected in vivo in the discharge path for limiting the current supplied to the heart tissue to predetermined maximum value.

REFERENCES:
patent: 3900432 (1975-08-01), Marcus et al.
patent: 4466295 (1984-05-01), Shibuta et al.
patent: 4745923 (1988-05-01), Winstrom
patent: 5040533 (1991-08-01), Fearnot
patent: 5275157 (1994-01-01), Morgan et al.
patent: 5284135 (1994-02-01), Lopin
patent: 5295482 (1994-03-01), Clare et al.

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