Implantable medical device with single coil for charging and communicating
US8155752B2 · kind B2 · utility
24Cited by
28References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2009 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Oct 7, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3727
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A combination charging and telemetry circuit for use within an implantable device, such as a microstimulator, uses a single coil for both charging and telemetry. In accordance with one aspect of the invention, one or more capacitors are used to tune the single coil to different frequencies, wherein the coil is used for multiple purposes, e.g., for receiving power from an external source and also for the telemetry of information to and from an external source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.