Defibrillators
US4090519A · kind A · utility
4Cited by
2References
5Claims
0Family size
Inventors
Key dates
| Filing date | May 10, 1976 |
| Grant date | May 23, 1978 |
| Priority date | — |
| Expiry date | May 10, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3912
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A defibrillator which may be portable and which may be used without relying on electrical supply mains. The apparatus comprises a capacitor, an inductance and a pair of electrodes whereby the capacitor is discharged through a patient and the selection of the energy level, the capacitor and the inductance being such that the voltage wave-form of the discharge pulse has a duration of between ten and fifteen milliseconds, a peak value of not more than 4 kilovolts and a minimum rise time to that peak of 1,000 microseconds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.