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Methods for iontophoretic delivery of antiviral agents

  • US RE37,796 E1
  • Filed: 09/01/2000
  • Issued: 07/23/2002
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
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1. A disposable medicament dispensing applicator electrode for and an iontophoretic drug medicament delivery device adapted for the self-administration of a medicament into a person'"'"'s skin at a localized treatment site, said device comprising a base assembly having an active terminal adapted to receive and make electrical contact with a detachable said medicament dispensing applicator electrode, wherein said base assembly comprises:

  • a case having an elongate, substantially cylindrical outer surface having a size and shape adapted to be comfortably grasped within a person'"'"'s hand, and wherein at least a portion of said outer surface is a including tactile electrode formed of an electrically conductive material;

    , and a bipolar electrical power means having a first pole and a second pole;

    , said electrical power means being enclosed within said case and wherein said first pole is being in electrical communication with said tactile electrode;

    wherein said medicament dispensing applicator electrode comprises;

    including a module containing a unit dose of medicament, an electrically conductive working electrode and means thereon adapted for releasably attaching said applicator electrode to said device in electrical contact with said second pole of said electrical power means, wherein said applicator electrode further comprises comprising an elongate strip constructed of a substantially electrically non-conductive substrate material, said strip having a central portion containing a the medicament in an electrically conductive substrate for iontophoretic delivery of the medicament into the person'"'"'s skin at the treatment site upon completion of an electrical circuit from said power means through said active terminal and said tactile electrode via the person'"'"'s skin at the treatment site, and said strip having laterally symmetric end portions having cutouts therewithin.

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