Plasma disinfection and sterilization device and method combining dry and wet methods
A plasma, disinfection and sterilization technology, applied in the direction of disinfection, water supply equipment, sanitary equipment for toilets, etc., can solve the problems of expensive medical equipment and short sterilization time, and achieve fast sterilization speed, simple equipment and high efficiency high effect
Active Publication Date: 2017-08-08
XI AN JIAOTONG UNIV
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Problems solved by technology
Its sterilization time is short, non-toxic and harmless, but it is expensive and medical devices need to be absolutely dry
Method used
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[0009] Now in conjunction with specific embodiment the present invention is explained in detail;
[0010] The invention provides a disinfection and sterilization device combining dry and wet methods. The device includes a plasma generation module, a sterilization chamber, an activated water chamber and an air conditioner. The plasma generation module adopts a dielectric barrier structure to generate ozone, hydrogen peroxide, nitric acid and nitrous acid particles, which can directly sterilize medical equipment, and can also interact with water to generate activated water with a pH value of less than 4.8. Sterilize medical devices.
[0011] Below in conjunction with accompanying drawing, further elaborate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invent...
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The invention discloses a plasma disinfection and sterilization device and method combining dry and wet methods, which is characterized in that the device includes a plasma generation module, a sterilization chamber, an activated water chamber and an air conditioner. The working method of the device is to generate plasma under low temperature and normal pressure for disinfection and sterilization. The active particles generated by the plasma under dry and wet conditions are different, and the tolerance of bacteria under dry and wet conditions is different, which is higher than that of using alone. Dry or wet method for better sterilization effect. Wet sterilization is to atomize and spray the active particles in the plasma-activated water chamber into the sterilization chamber and condense on the surface and interior of the sterilized items to achieve wet sterilization without dead ends. Dry sterilization is to use the plasma generation module to generate high-concentration activated particles, which directly act on the items in the sterilization chamber for disinfection and sterilization, and remove the surface residues after sterilization through the dry hot air flow. The dry and wet methods are sterilized alternately to achieve optional sterilization conditions, low temperature, high efficiency and no residue.
Description
technical field [0001] The invention relates to the technical field of sterilization of medical instruments, in particular to a device for sterilizing medical instruments by a plasma disinfection and sterilization device combining dry and wet methods. Background technique [0002] At present, minimally invasive surgery is widely used in the medical field because of its small damage to patients. The sterilization efficiency and sterilization pass rate of various endoscopic and endoscopic instruments used in minimally invasive surgery have become the main problems of the hospital. In order to ensure the qualified disinfection and sterilization of medical devices and reduce the infection rate of patients during surgery, it is imminent to provide a reliable, efficient and low-cost sterilization method. The medical devices used in minimally invasive surgery generally do not have the characteristics of high temperature resistance, so low temperature sterilization technology becom...
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IPC IPC(8): A61L2/14A61L2/20A61L2/24A61L101/22A61L101/10
Inventor 孔刚玉刘志超刘定新王小华荣命哲
Owner XI AN JIAOTONG UNIV