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Self-cleaning sensor surfaces for implantable sensor systems

  • US 9,357,968 B2
  • Filed: 06/27/2011
  • Issued: 06/07/2016
  • Est. Priority Date: 07/14/2010
  • Status: Active Grant
First Claim
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1. An implantable sensor system comprising:

  • a sensor which is situated in a housing, the housing having a measurement region which is permeable for parameters detectable by the implantable sensor at an implantation site,wherein the measurement region has an erodible protective coating which is permeable for the parameters to be detected by the sensor,wherein the erodible protective coating is electrically erodible, wherein portions of the erodible protective coating are removed due to electrical interactions at the implantation site,wherein, as the erodible protective coating erodes, protein depositing on the erodible protective coating is carried away to reduce or delay encapsulation, andwherein layers of the erodible protective coating separate from a surface of the sensor in a controlled manner in defined time periods.

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