First, matters needing attention:

1, the mask should be tightly fastened on the nose, otherwise it will leak easily.

2. If the patient has spontaneous breathing, it should be synchronized with it, that is, the patient squeezes the breathing sac at the beginning of inhalation, and completely relaxes the airbag when reaching a certain tidal volume, so that the patient can complete the exhalation action by himself.

Second, the method of use

1, let the patient lie on his back.

2. Open the airway and clean the oropharyngeal secretions.

3. (Don't do this step) Insert the oropharyngeal airway to prevent tongue biting and tongue falling back.

4, the rescuer should be located in the back of the patient's head, head back, and hold up the forehead, keep the airway unobstructed.

5. Fix the mask on the nose and mouth, and use CE to fix it, that is, thumb and forefinger press the mask tightly, and other fingers press the forehead tightly.

6. Squeeze the ball with the other hand and send gas into the lungs. Squeeze the ball regularly to provide enough inhalation/exhalation time (adult: 12- 15 times/min, child: 14-20 times/min).

Extended data:

The classification of breathing apparatus is as follows:

First of all, according to the design principle

Respirators are generally divided into air respirator and oxygen respirators according to design principles.

1, the working time of air respirator is generally 30-360min, and the maximum protection time is different according to different respirator models. Generally speaking, the protection time of air respirator is slightly shorter than that of oxygen respirator.

Air respirator is for firefighters or emergency rescuers to carry out fire fighting, emergency rescue and rescue work safely and effectively in various environments such as smoke, toxic gas, steam or lack of oxygen.

2. Oxygen respirator is also called isolated compressed oxygen respirator. The respiratory system is isolated from the outside world, and the instrument forms an internal circulation with the human respiratory system. Oxygen is provided by high-pressure gas cylinders, and gas is stored by airbags when breathing and inhaling.

Second, according to the purpose

1, commonly used respiratory protective equipment can be divided into working respirator and escape respirator (commonly known as gas mask) according to their uses.

2. Working breathing apparatus can be divided into positive pressure air respirator and positive pressure oxygen breathing apparatus.

3. Escape breathing apparatus can be divided into filter type self-rescue breathing apparatus and chemical oxygen self-rescue breathing apparatus.

Baidu encyclopedia-respirator

Baidu encyclopedia-simple respirator