Device for percutaneous absorption preparation

Surgery – Controlled release therapeutic device or system

Reexamination Certificate

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Details

C604S020000, C604S181000, C604S289000, C604S306000, C604S520000, C424S449000, C222S541200

Reexamination Certificate

active

07883504

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).

REFERENCES:
patent: 4741437 (1988-05-01), Gorski et al.
patent: 4842577 (1989-06-01), Konno et al.
patent: 2006/0142706 (2006-06-01), Roy et al.
patent: 1 790 375 (2007-05-01), None
patent: 5-84180 (1993-12-01), None
patent: 7-507464 (1995-08-01), None
patent: WO-93/24177 (1993-12-01), None
patent: WO-2004/105864 (2004-12-01), None
patent: WO-2006/016647 (2006-02-01), None

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