Figure 2
Instruction sheet. Four diagram instruction manual. Essential steps of insertion are presented in chronologic order (1-4) and manual maneuvers highlighted with red arrows and "close-ups". Key commands were shown as speech balloons. Picture 1: "recline the head"; Picture 2: "insert the device up to the indicator label"; Picture 3: 20 ml of air; Picture 4: compress the bag valve 5 times; chest will rise and fall.