[특허]Ocular drug dispensing system

Ocular drug dispensing system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-031/00
출원번호	US-0569953 (1975-04-21)
우선권정보	IT-0068147 (1974-04-10)
발명자 / 주소	Arnold Randall K. (San Jose CA)
출원인 / 주소	Alza Corporation (Palo Alto CA 02)
인용정보	피인용 횟수 : 106 인용 특허 : 0

초록 ▼

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.

대표청구항 ▼

An ocular delivery device for the continuous administration of drug over a prolonged period of time comprising a sealed container shaped for insertion into the eye, the container having a pair of first and third membrane walls spaced from each other, each formed of a material insoluble in tear fluid, with at least one of the membrane walls being permeable to the passage of drug by diffusion at a controlled rate, and a second ring-shaped wall interposed between and sealingly engaging the first and third membrane walls along their outer faced peripheries to define an integral unit and form a reservoir defined by the inner surfaces of the first, second and third walls, said reservoir containing drug which is released therefrom at a controlled rate by passage through the rate controlling membrane wall.

이 특허를 인용한 특허 (106)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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