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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0779935 (1985-09-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 87 인용 특허 : 0 |
This invention pertains to a molded vent needle housing which is adapted to retain a hydrophobic filter that removes unwanted impurities from the outside air and feeds air to and from the interior of a stoppered vial. This assembly includes a needle and a hub portion in flow communication therewith,
A needle with a vent filter assembly for use in the aspiration of a drug solution from a supply into a syringe after an outer needle shield is removed so that an injecting needle is exposed and ready for use with an attached syringe containing said drug solution and for the injection of said drug so
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