Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1986-03-31
1988-05-10
Niebling, John F.
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
424468, 424472, A61K 922
Patent
active
047432470
ABSTRACT:
A device is disclosed with an internal space for receiving a beneficial agent. The device comprises a wall surrounding a compartment provided with an internal space and a hydrogel. A passageway in the wall connects the exterior of the device with the internal space. The passageway is used for filling the space with a beneficial agent, and then for dispensing the beneficial agent from the device.
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ALZA Corporation
Mandell Edward L.
Nguyen Nan X.
Niebling John F.
Precivale Shelley G.
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