Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-04-21
1976-06-08
Medbery, Aldrich F.
Surgery
Respiratory method or device
Ozone or ion generation
424 21, A61M 3100
Patent
active
039616282
ABSTRACT:
An ocular drug dispensin 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 microporous material containing in the micropores a drug release rate controlling medium permeable to the passage of drug for administering a therapeutically effective amount of drug over a prolonged period of time.
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ALZA Corporation
Ciotti Thomas E.
Mandell Edward L.
Medbery Aldrich F.
Sabatine Paul L.
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