Improved trachea cannula

• Main Authors: PU DESONG, MENG XINXIN, HANG JIANLONG, SHU YAJUAN, GU LICHEN
• Format: Patent
• Language: Chinese; English
• Published: 04.11.2022
• 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 relates to the technical field of trachea cannulas, in particular to an improved trachea cannula, which is provided with a sputum suction inner tube and a sputum suction outer tube, so that the sputum suction inner tube and the sputum suction outer tube do not need to be inserted again, sputum can be sucked out through the sputum suction inner tube and the sputum suction outer tube, the number of insertion times of the sputum suction tube is reduced, and meanwhile, infection caused by frequent disconnection of the cannula for sputum suction can be reduced. The use practicability is improved; comprising a cannula main pipe, a connecting joint, an inner supporting sleeve bag, a high-pressure pipe, an indicating air bag, a valve, a sputum suction inner pipe and a sputum suction outer pipe, a vent groove is formed in the cannula main pipe, the connecting joint is communicated, fastened and inserted in the cannula main pipe, the outer end of the cannula main pipe is fixedly sleeved with the inner