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United States of America Patent

APP PUB NO 20190134316A1
SERIAL NO

15746951

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a needle unit configured to be mounted to medical syringe, the needle unit including a needle member having a longitudinally extending inner space and having a needle hole formed in a side surface of a front end and an opening formed in a base end, the inner space being in communication with the outside through the needle hole and the opening, a base portion for supporting the base end of the needle member and communicating between the syringe and the inner space of the needle member by being attached to the syringe, a slide member movable along an outer peripheral surface of the needle member and capable of taking a first position to close the needle hole and a second position to uncover the needle hole in the base end portion side of the first position, a biasing member that biases the slide member from the second position side to the first position side; and a cap removably mounted to the base portion and is configured to cover the needle member.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
OTSUKA PHARMACEUTICAL FACTORY INCNARUTO-SHI TOKUSHIMA 772-8601

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HAMAI, Katsuyoshi Naka-gun, JP 4 33
INOUE, Fujio Naruto-shi, JP 50 1668
MASUDA, Tetsuya Naka-gun, JP 109 262
NISHIOKA, Masaki Naka-gun, JP 19 103
TAKEDA, Koichi Naruto-shi, JP 102 1910
TAKIGUCHI, Osamu Naka-gun, JP 27 188

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