Gas circuit module for breathing machine and breathing machine

• Main Authors: CHEN ZHIHUA, TANG KEFENG, TANG YAHENG
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• 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 belongs to the technical field of medical instruments, and particularly relates to an air path module for a breathing machine and the breathing machine. In the air path module for the breathing machine, an oxygen inlet connector communicates with an inlet of a first switch valve, an outlet of the first switch valve communicates with an inlet of a first proportional valve, an outlet of the first proportional valve communicates with an inlet of a first flow sensor, and an outlet of the first flow sensor communicates with a first air outlet connector; the air inlet connector is communicated with an inlet of the second switch valve, the laughing gas inlet connector is communicated with an inlet of the third switch valve, an outlet of the second switch valve and an outlet of the third switch valve are both communicated with an inlet of the second proportional valve, an outlet of the second proportional valve is communicated with an inlet of the second flow sensor, and an outlet of the second flow