CPC A61N 1/327 (2013.01) [A61M 27/002 (2013.01); A61N 1/0536 (2013.01); A61N 1/306 (2013.01); A61N 1/36082 (2013.01); A61N 1/36139 (2013.01)] | 14 Claims |
1. Apparatus comprising:
a first electrode, configured to be implanted at a first anatomical site in a nucleus pulposus of an intervertebral disc of a subject;
a second electrode, configured to be implanted at a second anatomical site outside the nucleus pulposus of the disc; and
a control unit, configured to:
detect a pressure difference between the first and the second anatomical sites by detecting a streaming voltage between the first and the second electrodes, and
in response to the detected pressure difference, drive fluid between the nucleus pulposus and outside the nucleus pulposus by applying a treatment voltage between the first and the second electrodes.
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