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Patient attached patch and method of making

  • US 4,329,999 A
  • Filed: 03/03/1980
  • Issued: 05/18/1982
  • Est. Priority Date: 03/03/1980
  • Status: Expired due to Term
First Claim
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1. A method of forming a test patch for use in clinical studies including the steps of:

  • cutting a first portion of material;

    defining a hole in said portion of material;

    placing a strip of adhesive tape on said first portion of material to cover said hole;

    heat shaping said strip covered first portion and forcing the adhesive surface of the adhesive tape through said hole;

    placing an absorbent pad on the adhesive surface forced through said hole;

    forcing said pad covered adhesive surface back through said hole so that said pad is located within a chamber defined by said adhesive strip;

    cutting a second portion of material;

    cutting a third portion of material;

    folding said third portion of material;

    attaching said folded portion of material to said second portion of material;

    applying a length of adhesive tape to said second and third portions of material;

    defining an access hole through said length of adhesive tape and said second portion of material;

    removing said chamber containing adhesive tape from said first portion of material; and

    applying said chamber containing adhesive tape to said second portion of material so that said access hole is aligned with said chamber to form a combined portion of material.

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