Baffle-adjusting type negative-pressure drainage unit of injection syringe

• Main Authors: GUO WANGANG, TENG JIWEI, ZHANG WEI, HE YONG
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2014
• 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 baffle-adjusting type negative-pressure drainage unit of an injection syringe. The baffle-adjusting type negative-pressure drainage unit comprises an injection syringe body, a needle nipple of the injection syringe body is connected with a drainage catheter and a drainage bag through a three-way valve, the injection syringe body comprises a an injection handle and an outer barrel sleeving the injection handle, and a fixing unit for positioning the injection handle is arranged on the syringe body. By the arrangement, problems that an existing mechanical and electrical drainage unit has high demands on equipment and a self-restraint drainage unit is high in pollution risk are solved.