The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 1997
Filed:
Dec. 21, 1994
Applicant:
Inventor:
Keiichiro Okabe, Tokyo, JP;
Assignee:
Hisamitsu Pharmaceuticals Co., Inc., Tosu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
604 20 ; 607153 ;
Abstract
An interface composed of an aqueous solution supply portion capable of providing a fine hole for supplying an aqueous solution, a water-permeable electrode, and a water-absorbable or water-permeable film-like membrane, laminated integrally, wherein the fine hole for supplying the solution is made in the aqueous solution supply portion at the time of use, the aqueous solution is supplied through the water-permeable electrode and water-absorbable or water-permeable film-like membrane, and, when the aqueous solution reaches them, the drug or the drug-containing water-soluble layer dissolve and a locally high concentration solution of the drug is formed.