| Integrated Microbatteries for Implantable Medical Devices |
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| NASA’s Jet Propulsion Laboratory, Pasadena, California | |
| Jan 31 2008 | |
Extremely small batteries could operate for years at nanoampere discharge rates.
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Integrated microbatteries have been proposed to satisfy an anticipated need for long-life, low-rate primary batteries, having volumes less than 1 mm3, to power electronic circuitry in implantable medical devices. In one contemplated application, such a battery would be incorporated into a tubular hearing-aid device to be installed against an eardrum. This device is based on existing tube structures that have already been approved by the FDA for use in human ears.  A Microbattery Would Be Integrated into a tubular implantable device. The battery could supply a total charge of about 0.7 mA·h — equivalent to sustaininga discharge current of 80 nA for a year. This work was done by Jay Whitacre and William West of Caltech for NASA’s Jet Propulsion Laboratory. In accordance with Public Law 96-517, the contractor has elected to retain title to this invention. Inquiries concerning rights for its commercial use should be addressed to: Innovative Technology Assets Management This Brief includes a Technical Support Package (TSP).
Integrated Microbatteries for Implantable Medical Devices (reference NPO-42287) is currently available for download from the TSP library. Login first to download.
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