Power supply for body implant and method of use
US4665896A · kind A · utility
199Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1985 |
| Grant date | May 19, 1987 |
| Priority date | — |
| Expiry date | Jul 22, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8243
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implanted blood pump system is described wherein power for driving the pump is provided by a transcutaneous transformer having an external primary winding and an implanted secondary winding. Control of the driving voltage to the pump is provided by an implanted shunt regulator. Voltage applied to the primary winding is controlled in accordance with the power factor sensed in the primary winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.