Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1990-04-20
1992-08-04
Rosenbaum, C. Fred
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
6048901, 424438, 424473, A61K 922
Patent
active
051355230
ABSTRACT:
A delivery system is disclosed for delivering a beneficial agent to an animal. The delivery system comprises a wall that surrounds a lumen, said wall comprising a composition that limits the passage of fluid into the system and a composition that permits the passage of fluid into the system. The lumen comprises a beneficial agent and an expandable member. The delivery system comprises an exit means for delivering the beneficial agent.
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Cortese Richard
Eckenhoff James B.
Magruder Judy A.
Peery John R.
Wright Jeremy C.
ALZA Corporation
Duvall Jean M.
Larson Jacqueline S.
Polutta Mark O.
Rosenbaum C. Fred
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