Pulsed electromagnetic field (PEMF) stimulation therapy system with bi-phasic coil
US6132362A · kind A · utility
82Cited by
26References
36Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 2, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Mar 2, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2/006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A PEMF therapy system uses a bi-phasic coil PEMF transducer for generating PEMF stimulation signals. The coil has a "bi-phasic" operation, such that current flows through it in two directions. A drive circuit recovers the flyback energy from the transducer coil and dumps voltage to an energy recovery capacitance circuit. The transducer is thereby energized and de-energized to provide the electromagnetic field. The same concepts are applicable to series-connected coils. The transducer is especially suited for high frequency operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.