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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUN HONGRONG, SUZUKI YUMIKO, QIAN LIN, YAO WEIGANG, ZHANG XUANZHENG, CHEN ZHONGYI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	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