Device for preventing blood from flowing back

The utility model discloses a device for preventing blood from flowing back, which comprises a three-way valve body, the valve body comprises a valve seat, a valve core is connected in the valve seat, a wrench is arranged on the valve core, and an injection interface, an injection interface and a pr...

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Bibliographic Details
Main Author TIAN SHAOXIN
Format Patent
LanguageChinese
English
Published 30.11.2021
Subjects
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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Summary:The utility model discloses a device for preventing blood from flowing back, which comprises a three-way valve body, the valve body comprises a valve seat, a valve core is connected in the valve seat, a wrench is arranged on the valve core, and an injection interface, an injection interface and a pressure stabilizing interface are respectively arranged on the valve seat in different directions. The valve element is provided with an injection channel capable of being communicated with the injection connector and the injection connector and a pressure stabilizing channel capable of being communicated with the injection connector and the pressure stabilizing connector, the injection connector can be switched between the injection channel and the pressure stabilizing channel by rotating the valve element, the pressure stabilizing connector is connected with a pressurizing head in a sealed mode, and the pressurizing head is provided with an air pipe inserted into the pressure stabilizing connector. The inner end o
Bibliography:Application Number: CN202120088362U