Description
The automatic plasma sterilizer can perform low temperature sterilization of metallic and non-metallic medical devices.
The medical device is sterilized by diffusing hydrogen peroxide into the chamber and then inspires hydrogen peroxide in a plasma state.
The low temperature plasma sterilizer with hydrogen peroxide sterilizes clinical medical instruments using a sterilizing agent for plasma and hydrogen peroxide, and can sterilize items at low temperature (approximately 50 ° C) and medium vacuum, especially suitable for fear of heat. Sterilization of moisture-sensitive medical devices.
The sterilization process of hydrogen peroxide in plasma is ecological and non-polluting. Only a small amount of oxygen and water vapor is discharged during the sterilization process, which is harmless to the environment, and no ventilation device is needed. The sterilization cycle of hydrogen peroxide in plasma is short, compared to sterilization with low temperature formaldehyde, only about an hour, suitable for emergency and surgical equipment sterilization during continuous surgery, improves the use of the equipment and the turnover rate .
1. Principle of hydrogen peroxide plasma sterilization:
Sterilization process of the hydrogen peroxide sterilizer by plasma at low temperature: after the sterilization chamber reaches a certain vacuum, the needle fixing system pierces the medicine capsule and simultaneously opens the metering valve. After the gasification chamber heats the hydrogen peroxide solution, the diffusion of the gasification occurs throughout the space of the sterilization chamber; hydrogen peroxide itself has a strong bactericidal effect; in the diffusion process, hydrogen peroxide can kill part of the bacterial virus on the surface of the treated object; when the sterilization chamber and the mesh electrode are added, after high frequency electricity, the hydrogen peroxide gas in the sterilization chamber dissociates into charged particles under the action of the high frequency electric field to form a plasma. During the plasma formation process, a large amount of ultraviolet light directly destroys the microorganism’s genetic material; ultraviolet photons intrinsic photolysis breaks down microbial molecules and generates volatile compounds, such as CO and CHx. Through the action of the plasma and the chemical reaction between the active substances in the plasma and the proteins and nucleic acids in the microorganisms, it can destroy the microorganisms and alter the microorganisms.
Survival function, in this plasma, the electron temperature is very high and the ion temperature is close to the ambient temperature, which does not reach temperature changes in the structural properties of the article to be sterilized and can obtain an efficient sterilization.
2. Properties of Hydrogen Peroxide Solution:
The sterilizing agent used in this device is a 60% hydrogen peroxide solution that can inactivate resistant bacterial spores. Hydrogen peroxide is a colorless liquid with strong oxidizing properties and its aqueous solution is weakly acidic. Hydrogen peroxide solution is a strong explosive oxidizer. Hydrogen peroxide is not flammable alone, but reacts with flammables to release a large amount of heat and cause a fire explosion.
- Storage of Bottled Hydrogen Peroxide:
The bottled hydrogen peroxide must be stored in a cool, dry and well-ventilated place, with temperatures below 25 ° C.
Keep away from fuels, heavy metals, catalytic metal compounds, heat sources and ignition sources.
Please use it within the product’s shelf life to avoid unqualified sterilization.
Emergency: Hydrogen peroxide is oxidizing and easily permeates the skin, causing temporary damage to the skin. Always wear latex or vinyl gloves when handling the solution and handling empty cassettes correctly.
If you accidentally come into contact with the skin, wash or if you inhale or swallow the sterilizer, drink plenty of water immediately and seek medical assistance.
Caution: If the program is interrupted or the operation is canceled due to an abnormal operation, please handle it with latex or vinyl gloves and be careful not to let the gloves come in contact with your face or eyes in this there may be residual hydrogen peroxide inside or on the surface of the unsterile article.
Automatic Technical Advantages of Plasma Sterilizer
- Low temperature sterilization: sterilization temperature of 50 ° C ± 5 ° C, low temperature and no humidity, no damage to sterile items and equipment, can prolong the life of precision instruments.
- Ecological and environmental protection: hydrogen peroxide solution is used as a sterilizing agent, with no toxic substance left, no drainage or escape is necessary, no damage to the operator’s body, and special filters for high efficiency can be applied for air intake and exhaustion The absorption of H2O2 from the vacuum rejection process will result in zero pollution to the environment.
- Sterilization stability: The sterilization chamber is made of aluminum or stainless steel, which has advantages of anti-corrosion and thermal conductivity, which makes the temperature of the sterilization chamber more balanced and effective, and ensures that H2O2 keeps 100% of the gas throughout the process. The hydrogen peroxide low temperature storage system ensures that the hydrogen peroxide concentration is stable, effective and does not volatilize.
- High sterilization efficiency: The design of a rectangular sterilization chamber makes it possible to load more instruments at a time and make the use of the sterilization chamber more convenient.
- Safety and stability of the sealed door: Adopts an electric lifting door driven by an upper pole, which works smoothly and has a safety interlocking device to avoid safety risks caused by the incorrect operation of the equipment and operators.
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