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Preparation and Methods for Sterilization
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Preparation and Methods for Sterilization


Disposal process of reusable medical instruments, appliances and articles: sterilization.

1. Prepare according to the following requirements before sterilization:

(1) Safety check should be carried out every day before equipment operation, including whether the sterilizer pressure gauge is at the "zero" position; whether the record printing device is in standby state; whether the sealing ring of the sterilizer cabinet door is undamaged, and whether the door safety lock is flexible, safe and effective; whether the condensate outlet in the sterilization cabinet is unobstructed, and whether the inner wall of the cabinet is clean; whether the power supply, water source, steam, compressed air and other operating conditions meet the equipment requirements.

(2) Preheat the sterilizer.

(3) The B-D test without loading should be carried out before starting the sterilization operation of the pre-vacuum sterilizer every day.

2. Applicable sterilization methods for sterilization trays:

(1) Autoclaving

It refers to the method of placing items in a closed autoclave sterilization container and using high-pressure saturated steam to denature the proteins and nucleic acids in microorganisms and thereby killing microorganisms. This method has strong sterilization ability and it is the most effective and widely used sterilization method.

(2) Ethylene oxide

Ethylene oxide is an organic compound, the chemical formula is C2H4O. It is a toxic carcinogen and was used to make fungicides before. Ethylene oxide is flammable and explosive, and it is difficult to transport over long distances, so it has strong regional characteristics. It is widely used in washing, pharmaceutical, printing and dyeing industries. It can be used as an initiator for cleaning agents in the chemical industry.

(3) γ-ray

The γ-ray is also known as γ particle flow. It is the radiation emitted by the transition of nuclear energy level. It belongs to electromagnetic waves with a wavelength shorter than 0.2 angstroms. γ-rays have strong penetrating power and can be used for flaw detection or automatic control of assembly lines in the industry. Also, γ-rays are deadly to cells and are used medically to treat tumors.

(4) Hydrogen plasma

Gas hydrogen peroxide (plasma) sterilization uses glow discharge to produce plasma sterilization. It can kill bacteria, viruses, fungi, mycobacteria and spores. Its sterilization ability is large and rapid, and it is gradually being promoted and applied.

Advantages: fast sterilization, safe and effective. The final decomposition products are oxygen and water, which are safe for operators and will not pollute the environment. It does not leave toxins and secondary products and it is non-corrosive and non-toxic.

The sterilization tray produced by GXFLIGHT is resistant to high temperature and is suitable for all sterilization methods: autoclaving, ethylene oxide, γ-ray or hydrogen plasma.