Implantable device having an electrolytic storage electrode
US5312439A · kind A · utility
542Cited by
2References
38Claims
0Family size
Inventor
Key dates
| Filing date | Dec 12, 1991 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Dec 12, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/37205
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electrolytic, capacitive electrode, adapted to be disposed in body fluids when implanted, is used to store electrical energy for use in providing electrical energy to at least a portion of the internal electrical circuitry of an implantable device. Substantial capacitance is provided, particularly when constructed of anodized, porous tantalum with a counterelectrode of activated iridium. Such capacitive electrodes, exposed outside the implantable device, alleviate the requirement for space for a storage capacitor within miniature, implantable devices and may also serve as stimulating electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.