Vent needle

The invention discloses a vent needle. The vent needle comprises a needle body, wherein a needle seat is mounted at one end of the needle body; the needle tip of the other end of the needle body has a sealed structure; a sleeve sleeves the outer surface of an upper half area of the needle body; the...

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Hauptverfasser: SUN HONGRONG, SUZUKI YUMIKO, QIAN LIN, YAO WEIGANG, ZHANG XUANZHENG, CHEN ZHONGYI
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Sprache:chi ; eng
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creator SUN HONGRONG
SUZUKI YUMIKO
QIAN LIN
YAO WEIGANG
ZHANG XUANZHENG
CHEN ZHONGYI
description The invention discloses a vent needle. The vent needle comprises a needle body, wherein a needle seat is mounted at one end of the needle body; the needle tip of the other end of the needle body has a sealed structure; a sleeve sleeves the outer surface of an upper half area of the needle body; the upper end and the lower end of the sleeve are connected with the upper end and the lower end of the needle body in a sealed manner; a hollow structure between the sleeve and the needle body is set as a gas delivery cavity of a sealed container; a gas inlet hole through which fluid is accommodated in the sealed container after being delivered into another sealed container from a sealed container is formed in one end of the sleeve; a gas outlet hole through which gas entering the gas delivering cavity of the sealed container through the gas inlet hole is discharged to the outside is formed in the other end of the sleeve; a part, which is positioned below the sleeve, of the needle body is a fluid injection area; a flu
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language chi ; eng
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subjects BABY COMFORTERS
CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES
DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY
DEVICES FOR RECEIVING SPITTLE
DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
title Vent needle
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