Device for percutaneous absorption preparation
US7883504B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 31, 2007 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Aug 31, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/044
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention provides a device for a percutaneous absorption preparation, provided with a solution storage container which can exhibit good solution migration independently of the level of force. The device for a percutaneous absorption preparation comprises an electrode film comprising a base member (1) and an electrode layer (2) and having a dissolution liquid passage hole (9), a drug impregnation member (3) mounted on the electrode layer (2) side of the electrode film, and a dissolution liquid storage container (5) bonded to the base member (1) side of the electrode film via a lid member (7) covering the solution passage hole (9). The dissolution liquid storage container (5) comprises a bottom and a sidewall. A protrusion (5b) which faces the dissolution liquid passage hole (9) is provided at the center of the bottom, and the sidewall is provided with a vertically folded part (5c).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.