High voltage phase selector switch for external defibrillators

Details High voltage phase selector switch for external defibrillators High voltage phase selector switch for external defibrillators

1996-06-27

1999-04-06

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 74, A61N 139

Patent

active

058911723

ABSTRACT:
Apparatus and method for selecting from a pair of capacitor banks for delivery of positive and negative polarity portions of a biphasic defibrillator pulse with a selector switch circuit for each capacitor bank, the circuit including a solid state phase selector switch preferably made up of a series connected plurality of IGBT's and each phase selector switch having a phase selector driver and select phase control for turning the phase selector switch ON and OFF when desired to start and truncate selected portions of the biphasic defibrillation pulse.

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W.A., Tacker, Jr., "Defibrillation of the Heart", Chapter 10, pp. 196-222, 1994.

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