Implantable pulse generators using rechargeable zero-volt technology lithium-ion batteries
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United States of America Patent
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Oct 19, 2010
Grant Date -
Aug 9, 2007
app pub date -
Jan 16, 2007
filing date -
Jul 30, 1999
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Abstract
An implantable medical device, such as an implantable pulse generator (IPG) used with a spinal cord stimulation (SCS) system, includes a rechargeable lithium-ion battery having an anode electrode with a substrate made substantially from titanium. Such battery construction allows the rechargeable battery to be discharged down to zero volts without damage to the battery. The implantable medical device includes battery charging and protection circuitry that controls the charging of the battery so as to assure its reliable and safe operation.
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