Cell for electrically controlled transdermal drug delivery
January 30, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesEpidermal iontophoresis device Virus inactivation applicator and the like Non-invasive chemical species delivery apparatus and method Iontophoretic device with reversible polarity Ion mobility limiting iontophoretic bioelectrode Iontophoretic electrode structure Iontophoresis device Iontophoresis intermediary material and contact solution for the treatment of chronic pain syndromes Transdermal drug applicator and electrodes therefor Patent #: 4640689 InventorAssigneeApplicationNo. 07/009301 filed on 01/30/1987US Classes:604/20, Infrared, visible light, ultraviolet, X-ray or electrical energy applied to body (e.g., iontophoresis, etc.)607/75Galvanic (i.e., battery-like direct current signals)ExaminersPrimary: Coven, Edward M.Attorney, Agent or FirmInternational ClassA61N 1/30 (20060101)AbstractA cell for electrically controlled drug delivery into and through the skin consisting of a source of current, an electrode, and a drug reservoir in which a drug is bound by an ion exchange medium or an immobilized ligand affinity medium. An additional ion reservoir may be interposed between the electrode and the drug reservoir and semi-permeable membranes are employed as barriers between the various components of the device as required. | |
