Device for preventing blood from flowing back

• Main Author: TIAN SHAOXIN
• Format: Patent
• Language: Chinese; 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

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...