Negative pressure drainage device

• Main Authors: TANG LUMIN, ZHANG LINGHONG, LI LUXIU
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• 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 provides a negative pressure drainage device which comprises a negative pressure drainage device and a drainage tube, a connecting port is arranged on the negative pressure drainage device, a stomach tube end and a connecting end connected with the connecting port are arranged on the drainage tube, and a lock catch mechanism is arranged between the connecting end and the connecting port. The lock catch mechanism comprises a rotatable clamping petal arranged at the connecting end of the drainage tube, a clamping hook is arranged on the clamping petal, and a clamping boss matched with the clamping hook on the clamping petal is arranged on the outer side of the connecting opening. According to the negative pressure drainage device, the lock catch mechanism is arranged between the connecting end of the drainage tube and the negative pressure drainage device, and the drainage tube and the negative pressure drainage device can be firmly connected through the lock catch mechanism and are not prone