Easy-to-clean coated trachea cannula

• Main Authors: XIAO XIAO, CAO HUI, ZHOU HAIXIAN, WEI YANNA, TIAN YUAN, YANG YANHUA
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2019
• 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 invention discloses an easy-to-clean coated trachea cannula, comprising an outer tube, an inner tube, an obturator, a disposable film and a coating tool; during coating, the inner tube, the disposable film and the coating tool are mutually connected, the main body of the inner tube is an inner tube body, the outer wall of the lower end of the inner tube body is formed with a lower annular groove, the upper end of the inner tube body is connected with a limiting flange, the edge position of the limiting flange is formed with a limiting notch, the upper end of the limiting flange is fixedlyconnected with a breathing joint, the outer wall of the upper end of the breathing joint is formed with an upper annular groove, the upper and lower ends of the disposable film are respectively provided with a first rubber ring and a second rubber ring, the middle of the disposable film is provided with a first tubular film and a second tubular film, the lower end of a guiding rod of the coating tool is connected with a c