Main parts are made of silicon and PC material; The device is composed of air bag, aspirate valve, collection air bag, mask, fish mouth shape valve; Aspirate valve is equipped with the fish mouth shape valve,which will close during respiration to avoid occurring flow backwards;
Be equipped with the pressure limit valve to avoid the higher pressure output;
HF-Ⅰ is for the patient’s weight<5kg HF-Ⅱ is for the patient’s weight <10kg HF-Ⅲ is for the patient’s weight >40kg
Main parts are made of silicon and PC material; The device is composed of air bag, aspirate valve, collection air bag, mask, fish mouth shape valve; Aspirate valve is equipped with the fish mouth shape valve,which will close during respiration to avoid occurring flow backwards;
Be equipped with the pressure limit valve to avoid the higher pressure output;
HF-Ⅰ is for the patient’s weight<5kg HF-Ⅱ is for the patient’s weight <10kg HF-Ⅲ is for the patient’s weight >40kg
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