Mask oxygenation pinch ball which

Simple respirator. Mask oxygen pinch ball that is called simple respirator. Simple respirator is also called a ball, the correct use is connected to the tracheal tube, the other end is connected to the oxygen, the frequency is controlled at 15-20 times per minute, tidal volume of 10ml/kg, if the patient has not yet been intubated, you can hold up the patient's jaw buckle mask, to ensure that there is no leakage of the use of the case.