×

Transdermal drug delivery applicators

  • US 5,002,527 A
  • Filed: 12/06/1988
  • Issued: 03/26/1991
  • Est. Priority Date: 04/14/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. An iontophoretic device comprising in combination:

  • an insulator member having an inner surface adapted to be positionable in juxtaposed relationship to skin of a recipient;

    at least one reservoir formed in the insulating member and including an opening in the inner surface and containing an ionic drug and terminating in a rim formed at the opening in the inner surface;

    an outer electrode positioned outward from the inner surface and in contact with the drug;

    an inner electrode provided on the inner surface of the insulating member and spaced away from the rim of the reservoir;

    the rim of the reservoir and the inner electrode defining a gap therebetween;

    the electrodes being connectable to a field generating means for energizing the electrode to draw the drug from the outer electrode in the field toward the inner electrode into the skin of the recipient;

    the reservoir having a forked configuration; and

    the inner electrode having a forked configuration complementary to that of the reservoir.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×