According to the website of the State Food and Drug Administration, since July this year, three companies, Philips, Poco and Air Liquide, have voluntarily recalled a number of medical device products. Philips (China) Investment Co., Ltd. reported that due to a possible defect in the gas discharge tube ("GDT") of the company's monitoring defibrillator, it may cause the electrode pad to obtain clutter on the ECG to promptly and accurately identify the user. The electric shock cardioversion heart rhythm forms interference, and the manufacturer, Philips Medical Systems, voluntarily recalls the brake defibrillator (Registration No.: National Machinery Note 20163214004). The recall level is Level 2. Poco International Medical Trading (Shanghai) Co., Ltd. reports that radio frequency interference may change the wireless communication from the programmer due to the program control of the subcutaneous implantable cardioverter defibrillator, which may result in subcutaneous The implantable cardioverter defibrillator performs an unexpected command and the manufacturer, Boston Scientific Corporation, voluntarily recalls the program controller (Registration No.: National Machinery Note 20152212429). The recall level is Level 2. Air Liquide Medical Supplies (Beijing) Co., Ltd. reported that the manufacturer found that the power supply board of the ventilator before serial number MT50-4540 was defective, which may cause accidental loss of 5V voltage, causing the machine to suddenly shut down automatically, and the manufacturer found that it was overseas. Improper use of the built-in battery by the home user causes a sudden decrease in the effective battery power, causing the machine to suddenly shut down automatically (when the built-in battery is used alone), etc., Air Liquide Medical Systems S. A. The ventilator (Registration No.: National Food and Drug Administration (Jin) No. 2014 No. 3540539) for its production was voluntarily recalled. The recall level is Level 2. Plasma Substitutes,Hydroxyethyl Starch 130/0.4,Hydroxyethyl Starch 200/0.5,Hydroxyethyl Starch Shandong Qidu Pharmaceutical Co., Ltd. , https://www.qdyypharma.com