Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1982-06-18
1985-03-19
Millin, V.
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
604890, 424 19, A61K 900, A61K 922
Patent
active
045057117
ABSTRACT:
A deposit device for delivering a biologically active substance to the rumen or reticulum of a ruminant comprises a cylindrical body portion, having circular flanges of rounded periphery, loaded with an active substance. The specific gravity of the loaded device should be at least 2 for retention in the stomach.
REFERENCES:
patent: 3056724 (1962-10-01), Marston
patent: 3690316 (1972-09-01), Haller
patent: 4249531 (1981-02-01), Heller et al.
patent: 4251506 (1981-02-01), Laby
patent: 4326522 (1982-04-01), Guerrero et al.
patent: 4402693 (1983-09-01), Roseman et al.
Beaucage G.
May & Baker Limited
Millin V.
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