Loading patent…
AssigneeAlza Corporation
InventorsMary Southam, Keith J. Bernstein, Henk Noorduin
Estimating the term…
The invention provides an improved electrotransport drug delivery system for analgesic drugs, namely fentanyl and sufentanil. The fentanyl/sufentanil is provided as a water soluble salt (e.g., fentanyl hydrochloride), preferably in a hydrogel formulation, for use in an electrotransport device (10). In accordance with the present invention, a transdermal electrotransport delivered dose of fentanyl/sufentanil is provided which is sufficient to induce analgesia in (e.g., adult) human patients suffering from moderate-to-severe pain associated with major surgical procedures.
A device (10) for transdermally delivering fentanyl by electrotransport, the device including a donor reservoir (26) containing the fentanyl in a form to be delivered by electrotransport, a counter reservoir (28), a source of electrical power (32) electrically connected to the reservoirs (26,28) and a control circuit (19,40) for controlling magnitude and timing of applied electrotransport current, the device (10) characterized by:
A device (10) for transdermally delivering sufentanil by electrotransport, the device including a donor reservoir (26) containing the sufentanil in a form to be delivered by electrotransport, a counter reservoir (28), a source of electrical power (32) electrically connected to the reservoirs (26,28) and a control circuit (19,40) for controlling magnitude and timing of applied electrotransport current, the device (10) characterized by:
Dependencies are inferred from the claim text.