(2) oxygen mask method: can be divided into open and closed mask method. Open the mask is placed in the nose and mouth from the patient 1-3 cm factory direct high-quality oxygen generator, suitable children, may have no discomfort. Airtight mask method is to close the cover on the snout mask with elastic band fixed, suitable for those more serious hypoxia, the oxygen concentration of up to 40% to 50%, feel more comfortable use of medical oxygen, no irritation and dry feeling blow . But oxygen consumption is large, the presence of eating and expectoration inconvenient shortcomings. (3) through the endotracheal tube oxygen therapy: a thin catheter is inserted through the nose intratracheal oxygen method, also known as tracheal oxygen therapy. Suitable mainly with chronic obstructive pulmonary disease and pulmonary fibrosis and other chronic respiratory failure due to need long-term oxygen and oxygen effects were generally poor, since the catheter directly into the trachea oxygen medical oxygen machine prices, it can be significant improve efficacy, low flow oxygen can only reach a higher effect, and oxygen consumption is small. 1, centralized monitoring and management system should be parameter limit alarm, accident alarm and alarm recording function, should have a system or device fault diagnosis. 2, centralized monitoring and management system should be able to display the current value and the historical value of each subsystem operating parameters and device status in different ways, and should be able to continuously record store operating parameters less than one year. Central monitoring and management system should be both information management (MIS) functions. 3, the host monitoring and data acquisition system should be set up uninterruptible power supply. Hospital oxygen breathing apparatus, oxygen machines, supplied by Ericsson Hebei Medical Engineering Co., Ltd. Hebei Ericsson. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hengshui in Hebei medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!