Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1987-07-09
1988-05-31
Rosenbaum, C. Fred
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
A61M 3100
Patent
active
047478470
ABSTRACT:
A composition of matter comprising a drug, a neutral hydrogel and an ionic hydrogel. The composition can be administered from a delivery system to a biological receptor over time.
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Guittard George V.
Magruder Paul R.
Theeuwes Felix
Wong Patrick S.-L.
ALZA Corporation
Kartchner Gene B.
Mandell Edward L.
Precivale Shelley G.
Rosenbaum C. Fred
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