High voltage phase selector switch for external defibrillators
US5891172A · kind A · utility
19Cited by
22References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1996 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Jun 27, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3981
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.