Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1989-07-17
1990-10-16
Rosenbaum, C. Fred
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
424438, 424473, A61K 922
Patent
active
049631411
ABSTRACT:
A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space, (2) an expandable composition in the space, (3) an aqueous sensitive beneficial agent formulation in the space, and (4) at least one passageway in the housing for delivering the beneficial agent from the dispensing device. n
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ALZA Corporation
Maglione C.
Mandell Edward L.
Rosenbaum C. Fred
Sabatine Paul L.
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