Ocular drug delivery device

Details Ocular drug delivery device Ocular drug delivery device

1976-03-25

1977-03-29

Medbery, Aldrich F.

Surgery

Respiratory method or device

Ozone or ion generation

424 21, A61M 3100

Patent

active

040143350

ABSTRACT:
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 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.

REFERENCES:
patent: 3641237 (1972-02-01), Gould et al.
patent: 3699963 (1972-10-01), Zaffaroni
patent: 3710795 (1973-01-01), Higuchi et al.
patent: 3960150 (1976-06-01), Hussain et al.
patent: 3961628 (1976-06-01), Arnold
patent: 3967618 (1976-07-01), Zaffaroni
patent: 3972995 (1976-08-01), Tsuk et al.

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