Cochlear implants having MRI-compatible magnet apparatus and associated methods
US10532209B2 · kind B2 · utility
13Cited by
59References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2015 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Dec 18, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/67
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cochlear implant including a cochlear lead, an antenna, a stimulation processor, and a magnet apparatus, associated with the antenna, including a case defining a central axis, a magnet frame within the case and rotatable about the central axis of the case, and a plurality of diametrically magnetized magnets that are located in the magnet frame, the magnets defining a longitudinal axis and a N-S direction and being rotatable about the longitudinal axis relative to the magnet frame and biased by the magnet frame to a predetermined N-S rotational orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.