Movable magnet transmitter for inducing electrical current in an implanted coil
US6092531A · kind A · utility
84Cited by
30References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1999 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jun 3, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An external power head is energized by a motor causing movement of an element that produces a varying magnetic field, thereby inducing power in an implanted receiver coil within a patient's body. The external power head includes either one or more moving permanent magnets, or one or more moving elements that vary the magnetic flux coupled to the implanted receiver coil. As a result of the varying magnetic field experienced by the implanted receiver coil, an electric current flows from the implanted receiver coil to energize an implanted medical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.