The benefits of long-term use of a ventilator for patients with COPD：the ventilator can reduce the work of breathing of the patient, reduce the burden on the respiratory muscles, and improve the fatigue of the respiratory muscles.
Record number： Xiang ICP No. 14012507-1 Internet Drug Information Service Qualification Certificate: (Xiang)-Operational-2019-0039 Medical Device Business License: Xiang 011449 Enterprise Credit Inquiry
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