Implantable tissue stimulator incorporating deposited multilayer capacitor
US5935154A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 8, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Dec 8, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3956
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable tissue stimulator includes a polymer film capacitor adhered to an inside wall surface of the stimulator's case or housing in a way that minimizes the size and weight of the stimulator device. The energy storage capacitor for the tissue stimulator comprises a monolithic, multi-layer device and where the polymer is a suitable acrylate of a known formulation, over 1500 parallel plate capacitor electrodes can be built it with the height dimension of the resulting capacitor being less than about 3 mms. Instead of forming the capacitor on the inner surface of the stimulator's case in situ, such a capacitor can be formed on a mold member corresponding in shape to the inner surface of the stimulator's case and inserted into the stimulator's case following removal from the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.