Osmotic device with hydrogel driving member

Details Osmotic device with hydrogel driving member Osmotic device with hydrogel driving member

1980-11-25

1982-05-04

Rosenbaum, C. Fred

Surgery

Respiratory method or device

Ozone or ion generation

A61M 700

Patent

active

043277250

ABSTRACT:
An osmotic device is disclosed comprising a semipermeable wall surrounding a compartment housing an agent that is insoluble to very soluble in aqueous and biological fluids, and a layer of a fluid swellable, hydrogel. A passageway in the wall connects the agent with the exterior of the device.

REFERENCES:
patent: 4111201 (1978-09-01), Theeuwes
patent: 4111202 (1978-09-01), Theeuwes
patent: 4111203 (1978-09-01), Theeuwes
patent: 4203439 (1980-05-01), Theeuwes
patent: 4203440 (1980-05-01), Theeuwes

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