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Disposable electrode

  • US 3,901,218 A
  • Filed: 10/26/1973
  • Issued: 08/26/1975
  • Est. Priority Date: 10/26/1973
  • Status: Expired due to Term
First Claim
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1. A disposable medical electrode comprising a disk of hard semi-rigid material having a recessed embossment formed centrally thereof and opening towards the side of the disk to be secured to a patient and a flat peripheral flange completely surrounding the embossment for securing the disk to the patient, a metallic electrical contact mounted on said disk centrally of said recessed embossment and having portions thereof located on opposite sides of said embossment, and an absorbent pad positioned in and substantially filling said recessed embossment, said pad being in electrical contact with said metallic electrical contact and having absorbed therein an electrically conductive gel;

  • said flat peripheral flange having a flat outer surface surrounding said recess on said one side of the disk, said flat surface having an adhesive coating thereon; and

    a carrier sheet formed of a plastic sheet material having a release coating thereon engaged and releasably secured to the entire flat surface of said peripheral flange on said one side of the disk, covering the recess and pad therein and sealing said recess about the entire periphery thereof on said one side of the disk whereby the pad and gel in the recess are protected and sealed therein with a vapor barrier on all sides thereof formed by said disk and carrier sheet to prevent evaporation of gel in the recess prior to use of the disk, said adhesive coating on the flat surface of said peripheral flange serving to adhere the disk to the patient when in use.

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