Medical anti-back flow needles

The utility model relates to a medical defending backflow pinhead, which belongs to a medical instrument. The pinhead is a defending backflow parts arranged between the connecting parts of common pinhead and the pinhead, a middle core separator is arranged in the embolism of the connecting part of t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUOYU YANG, JINGJU YAN
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	The utility model relates to a medical defending backflow pinhead, which belongs to a medical instrument. The pinhead is a defending backflow parts arranged between the connecting parts of common pinhead and the pinhead, a middle core separator is arranged in the embolism of the connecting part of the defending back flow part, the middle core separator is sealed and but blocked with a rubber suppository which has certain elastic force, a cribriform separating plate is arranged on the connecting part of the pinhead, an accessory connecting joint pinhead is arranged, the connected joint can be inserted to the defending backflow pin when needs. The medical defending backflow pinhead is mainly used for subarachnoid injection and can be used for intravenous injection and so on.