Air-oxygen mixer capable of displaying concentration change in real time

• Main Author: CHEN CHUANYANG
• Format: Patent
• Language: Chinese; English
• Published: 14.01.2022
• 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 discloses an air-oxygen mixer capable of displaying concentration change in real time, which comprises a mixer main body, a concentration adjusting assembly and a flow adjusting assembly are arranged in the mixer main body, and the flow adjusting assembly is arranged between the concentration adjusting assembly and an output connector; the concentration adjusting assembly is connected with an external oxygen source and an external air source through the oxygen connector and the air connector respectively. An oxygen flow meter is arranged between the concentration adjusting assembly and the oxygen connector, and an air flow meter is arranged between the concentration adjusting assembly and the air connector. By using the air-oxygen mixer provided by the utility model, medical staff can conveniently obtain the concentration of input mixed gas and can find the change of the concentration in time; and the whole air-oxygen mixer does not need to occupy extra land, is convenient to use, and is low