Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1984-12-21
1986-09-16
Kight, John
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
604890, 604891, 604285, A61M 700, A61M 3100
Patent
active
046120084
ABSTRACT:
An osmotic system is disclosed comprising a wall formed in at least a part of a semipermeable material that surrounds a compartment. The compartment contains a first osmotic composition comprising a beneficial agent, and a second and different osmotic composition. A passageway in the wall connects the first composition with the exterior of the system.
REFERENCES:
patent: 4186184 (1980-01-01), Zaffaroni
patent: 4210139 (1980-06-01), Higuchi
patent: 4298003 (1981-11-01), Theeuwes et al.
patent: 4320759 (1982-03-01), Theeuwes
patent: 4350271 (1982-09-01), Eckenhoff
Barclay Brian
Deters Joseph C.
Theeuwes Felix
Wong Patrick S.-L.
ALZA Corporation
Kight John
Mandell Edward L.
Moore M. L.
Sabatine Paul L.
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