Neural sensing in an implantable stimulator device during passive charge recovery
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United States of America
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Mar 25, 2025
Grant Date -
Jul 28, 2022
app pub date -
Aug 4, 2020
filing date -
Aug 4, 2020
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Abstract
Techniques for sensing neural responses such as Evoked Compound Action Potentials (ECAPs) in an implantable stimulator device are disclosed. A first therapeutic pulse phase is followed by a charge recovery phase that includes at least one high-impedance passive charge recovery duration. The ECAP is sensed during the high-impedance passive charge recovery duration. The time period of the passive charge recovery is lengthened and the high-impedance passive recharge duration entirely overlaps the ECAP (i.e., the neural response duration) at the sensing electrode.
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