Ocular drug dispensing device and process for making the same

Details Ocular drug dispensing device and process for making the same Ocular drug dispensing device and process for making the same

A - Human Necessities

61

M

128/104

A61M 31/00 (2006.01)

Patent

CA 1036883

A B S T R A C T An ocular drug dispensing device for administering a drug at a controlled and continuous dosage unit rate to the eye to produce a local or systemic physiological or pharmacological effect is comprised of a shaped body insoluble in tear fluid and comprised of a first wall, a third wall distant from the first wall, a second wall interposed between the first and third wall and extending around their peripheries for sealingly engaging the first and third wall, a reservoir defined by the inner surfaces of the walls and containing the drug or a mixture of the drug in a carrier and wherein at least one of the first and third walls is formed of an imperforate drug release rate controlling material permeable to the passage of drug or a microporus material containing in the micropores a drug release rate con- trolling medium permeable to the passage of drug for administering a thera- peutically effective amount of drug over a prolonged period of time.

193635

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