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Device for transdermal electrotransport delivery of fentanyl and sufentanil

  • US 7,018,370 B2
  • Filed: 07/02/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 06/05/1995
  • Status: Expired due to Fees
First Claim
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1. A method of obtaining analgesia in a human patient who is suffering from pain, consisting of transdermally delivering solely by electrotransport a dose of about 20 micrograms to about 60 micrograms of fentanyl over a predetermined delivery period of up to about 20 minutes, terminating said delivery at the end of said delivery period and thereafter repeating such transdermal administering up to about 100 additional of said doses over a period of about 24 hours, wherein the applied electrotransport current density is in the range of about 50 to about 150 microamps per square centimeter.

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