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SYSTEMS AND METHODS FOR ACTIVE CHARGE-BALANCING FOR HIGH-FREQUENCY NEURAL STIMULATION
专利权人:
Verily Life Sciences LLC
发明人:
You Zou,Peng Cong,Ganesh Balachandran
申请号:
US16868792
公开号:
US20200261729A1
申请日:
2020.05.07
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Systems and methods for active charge-balancing for high frequency neural stimulation are disclosed. One illustrative method described herein includes: applying, through a pair of electrodes electrically coupled to a bundle of nerve fibers during a stimulation phase of a neural stimulation procedure, a first current to the bundle of nerve fibers; applying, through the pair of electrodes during a recovery phase of the neural stimulation procedure, a second current to the bundle of nerve fibers, the first current and the second current having opposite polarities; determining sampled voltages between the pair of electrodes during the stimulation phase, during the recovery phase, or between the stimulation phase and the recovery phase; determining a charge buildup in the bundle of nerve fibers based on the sampled voltages; applying, through the pair of electrodes during the stimulation phase or during the recovery phase, a delta current to the bundle of nerves based on the sampled voltages to minimize the charge build up.
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