Name WMA500 Manual Resuscitator Application A single patient use Material 100% medical grade PVC Balloon Volume 680ml,1630ml Storage bag Volume 1600ml,2000ml Oxygen tube length 2 m Limited safety valve 40cmH20 standard patient valve joint diameter 15/22 mm; The intended of ManualResuscitator 1,Maintain and increase the body ventilation 2,Correct the life-threatening hypoxemia The principle of Manual Resuscitator Oxygen into the spherical balloon and oxygen storage bags, artificial pressure balloon open in front of the flapper, oxygen pressure within the mask into the nasal disease population close to or within the endotracheal tube, in order to achieve the purpose of artificial ventilation. Indications of Manual Resuscitator 1,Cardiopulmonary resuscitation (CPR), neonatal apnea 2,All kinds of poisoning, why mass disturbances caused by respiratory depression 3,Nerve and muscle diseases caused by breathing myoparalysis 4,Respiratory disease caused by respiratory depression 5,All kinds of large-scale operation Contraindications of Manual Resuscitator 1,Medium activity haemoptysis 2,Active tuberculosis 3,Tension pneumothorax 4,Pulmonary bullae 5,A large number of pleural effusion,etc