Rechargeable implantable battery pack with battery management circuit
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United States of America Patent
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Issued Date -
Feb 17, 2005
app pub date -
Aug 11, 2003
filing date -
Aug 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An implantable secondary battery pack having a battery management system and secondary battery is disclosed. The battery management system is capable of charging the rechargeable battery using low incoming voltage. When the rechargeable battery is charging, the battery management circuit output voltage is almost the same as that of the rechargeable battery. The battery management circuit has battery monitor functions and prevents the rechargeable battery from over-charging or over-discharging by using only one large switch. This invention can be used to remotely recharge implantable medical devices such as a pacemaker, neurostimulator, defibrillator, and cochlear implant.
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