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Iontophoresis electronic device having a ramped output current

  • US 5,431,625 A
  • Filed: 12/01/1992
  • Issued: 07/11/1995
  • Est. Priority Date: 02/01/1991
  • Status: Expired due to Term
First Claim
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1. An iontophoresis controller which adjusts current to an iontophoresis electrode pair to control infusion of a selected dose of ionic drugs into a patient through the electrode pair during a treatment period, the controller comprising:

  • an electrode driver channel generating an electrode output current which has an intensity that rises exponentially from approximately zero to a selected treatment current intensity, remains at the selected treatment current intensity, and then falls exponentially to approximately zero, the electrode driver channel having an electrode output adapted to be connected to the electrode pair to deliver the electrode output current to the electrode pair; and

    means for controlling the electrode driver channel to generate the electrode output current during the treatment period, thereby controlling infusion of the selected dose of ionic drugs into the patient through the electrode pair during the treatment period.

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