Osmotic device comprising means for governing initial time of ag

Details Osmotic device comprising means for governing initial time of ag Osmotic device comprising means for governing initial time of ag

1985-04-22

1986-09-02

Yasko, John D.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

424 19, A61K 922

Patent

active

046093745

ABSTRACT:
An osmotic dispensing device is disclosed for delivering a medicine to a biological environment of use. The device comprises a semipermeable wall surrounding a compartment with an osmotic passageway in the semipermeable wall connecting the outside of the device with the compartment. The compartment house a medicine releasably held on a carrier member selected from the group consisting of cellulose esters, cellulose ethers and cellulose ester-ethers.

REFERENCES:
patent: 4449983 (1984-05-01), Cortese et al.
patent: 4455143 (1984-06-01), Theeuwes et al.
patent: 4522625 (1985-06-01), Edgren

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