1.The surface of the three-balls spirometer should be clean, without blot, impurities, breakage, etc, and the containing mark should be clear to read, there should be no breakage in the tube. 2. The volume tolerance of the containing mark should be within the range of ±10% of the level-value.
Advantages:
Helps patient to recover normal respiration after a chest or abdominal surgery. Increases circulation of hormones in blood which increase blood flow to heart, brain and lungs. Sustained deep breathing has been shown to relieve anxiety and fight stress. Strengthens respiratory system & helps reduce shortness of breath.
Storage: It should be stored in indoors where at normal temperature, with the relevant humidity of no more than 75%, without corrosive gases, cool, dry, well-ventilated and clean. Period of validity: 5 years when stored in the stipulated conditions. Transportation: when in transportation, it should avoid heavy pressure, direct sun light, rain and snow.
