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Iontophoresis assembly including cleanable electrical contacts

  • US 5,688,231 A
  • Filed: 09/30/1994
  • Issued: 11/18/1997
  • Est. Priority Date: 09/30/1994
  • Status: Expired due to Fees
First Claim
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1. In an iontophoresis drug delivery system, an assembly for providing electrical interconnection between a drug containing patch and an electrical controller, said assembly comprising:

  • electrical controller contacts mounted on the controller, said controller contacts receiving an electrical current from the controller;

    electrical conductive pads positioned on the patch, said conductive pads being matable with said controller contacts to provide electrical interconnection between the controller and the patch; and

    abrasive wiping means affixed to the patch and positioned for wiping engagement with said controller contacts upon said interconnection, whereby said controller contacts are wiped clean of contaminants and debris immediately prior to said electrical interconnection.

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