Therapy delivery devices and methods for non-damaging neural tissue conduction block
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United States of America Patent
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Oct 15, 2019
Grant Date -
Feb 28, 2019
app pub date -
Aug 21, 2018
filing date -
Jun 15, 2012
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Abstract
Devices and methods for blocking signal transmission through neural tissue. One step of a method includes placing a therapy delivery device into electrical communication with the neural tissue. The therapy delivery device includes an electrode contact having a high charge capacity material. A multi-phase direct current (DC) can be applied to the neural tissue without damaging the neural tissue. The multi-phase DC includes a cathodic DC phase and anodic DC phase that collectively produce a neural block and reduce the charge delivered by the therapy delivery device. The DC delivery can be combined with high frequency alternating current (HFAC) block to produce a system that provides effective, safe, long term block without inducing an onset response.
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