Methods for putting on and removing protective devices

The selection of protective devices is determined by the type and amount of harmful substances in the environment, and the protective devices used in different environments and matching between each other differ greatly.

Personal protective devices will be contaminated with harmful substances in the field during use, if not properly worn may cause new pollution due to improper wearing and taking off process, and cause health hazards.

Protective device insertion and removal should be carried out in a dedicated space, and the layout and disposal of protective device space should be determined according to the type of harmful substances.

The main structure or device shall include forced ventilation, curtain, shower, blow drying, disinfection, etc. Items should be stored in accordance with contaminated areas and clean zones to avoid cross-contamination.

For the wearing and removing of pathogenic factors with serious contact hazards, a sequential habitization process can be adopted to carry out step by step to effectively ensure that secondary pollution is avoided.

The wearing principles of the protective device are based on the following Settings:

(1) The personal protective device is clean and safe, and the correct use can ensure that the individual is not harmed by pathogens;

(2) Set the individual before wearing the protective device as a relative polluter;

(3) After coming out of the contaminated site, the outer surface of the setting protective device has been contaminated.

a) For particulate pathogenic factors in the air (toxic and harmful dust, smoke, fog, radioactive dust, pathogenic microorganisms, etc.), the order of wearing and removing protective devices is:

Wear order: First wear respirators (protective masks, half-face comprehensive respirators, air carrying respirators, etc.) according to the regulations, check the air tightness, then wear a hat or hood, eye mask, protective clothing, protective shoes (shoe covers), and finally wear protective gloves.

Order of removal: First remove the eye mask into the disinfectant, then remove the gloves (hands can not touch the outer surface of the gloves during the process), protective clothing, hat, shoes (or shoe covers), and finally remove the respirator.

When putting on and taking off, pay attention to the following points: the action should be light to avoid raising contaminated harmful substances; In the process of removal, the area and time of exposure of the contaminated surface in the environment should be reduced as far as possible; The disposable contaminated items removed should be packed into a plastic bag with two layers of packaging.

Order of wearing

Before wearing, the protective clothing must be inspected and pressure tested to ensure that the clothing is in good condition. Dress with the help of another person;

If the ambient temperature is low, anti-fogging agent should be applied to the inside of the protective clothing visual glasses

Wear long clothes inside the protective clothing, and do not have pens, jewelry, badges and other items that may damage the protective clothing;

Remove your shoes (skip this step when wearing protective clothing with high boots) and pull your socks over your pants;

Check the air-carrying personal protector and its connection as required, but do not wear it at this time;

Put your feet into the jacket boots, pull down the cover above the boots, lift the pants, stand up and tie the belt;

Open the air supply device, wear a mask, and make sure that the air supply system works normally;

Put the arms and head into the protective clothing, pull it up and close the zipper to cover it;

The assistant checks whether the zipper and zipper cover are tightened, whether the mask field of view is clear, and whether all air lines are tightly integrated;

Stripping sequence

Leave the work site when there is enough air in the tank;

If toxic chemicals, pathogenic microorganisms, etc. are removed at the site, they should be removed by means of water flushing (or disinfectant) before removal;

Wear protective clothing in reverse order to remove protective clothing, do not touch the protective clothing may be contaminated with chemicals;

If possible, complete cleaning and testing of protective clothing for reuse;

If the protective clothing cannot be washed, it should be safely discarded.