Sterilization Principle and Scope of Application of a Low-Temperature Plasma Sterilizer
Release time:
2026-05-27
Driven by the rapid advancement of modern medicine, ever more sophisticated surgical instruments—laparoscopic, microsurgical, and robotic—are appearing, their designs becoming increasingly intricate. To support the cleaning, disinfection, and sterilization of these devices, prevent and control healthcare-associated infections, and ensure the safe delivery of all diagnostic and therapeutic procedures, hydrogen peroxide plasma sterilizers have been introduced.
Driven by the rapid advancement of modern medicine, ever more sophisticated surgical instruments—laparoscopic, microsurgical, and robotic—are appearing, their designs becoming increasingly intricate. To support the cleaning, disinfection, and sterilization of these devices, prevent and control healthcare-associated infections, and ensure the safe delivery of all diagnostic and therapeutic procedures, hydrogen peroxide plasma sterilizers have been introduced.
Hydrogen-peroxide low-temperature plasma sterilizers eradicate pathogens through the following mechanisms:
1. Role of H₂O₂
Hydrogen peroxide exerts its microbicidal effect by releasing atomic oxygen as it decomposes.
2. Role of plasma
Under vacuum, H₂O₂ is subjected to a high-frequency electromagnetic field, ionizing to produce ultraviolet radiation and a dense cloud of reactive species (ions, radicals). These highly energetic particles oxidize vital microbial components—proteins, nucleic acids, cell walls—of bacteria, viruses, fungi, and spores, breaching their outer envelopes and achieving rapid sterilization.
Sterilization advantages
a. Eco-friendly and safe
The process uses only aqueous hydrogen peroxide as the medium. After excitation by the electromagnetic field, the final residues are trace water vapor and oxygen—no toxic by-products, no harm to staff, and no environmental pollution.
b. Fast and efficient
Short cycle times are complemented by selectable standard or rapid modes. Even complex-lumened instruments can be sterilized without additional enhancement steps, enabling immediate use after the cycle and reducing both wear on valuable devices and the required inventory of spares.
③ Easy Installation
Fits through any standard doorway; lightweight four-wheel chassis allows effortless repositioning—minimizing the need for extra infrastructure or dedicated floor space.
④ User-Friendly Operation & Monitoring
Large touchscreen interface provides clear, intuitive guidance. An integrated automatic monitoring system continuously tracks all operating parameters; if any anomaly is detected, the cycle is immediately aborted, an audible/visual alarm is triggered, and the fault location is displayed—ensuring reliable, trouble-free performance.
⑤ Low-Temperature Sterilization
Chamber temperature stays around 55 °C, protecting even delicate instruments from thermal damage while extending the service life of high-value devices and guaranteeing effective sterilization.
⑥ Safety & Stability
Comprehensive self-diagnostic routines monitor the entire sterilization process in real time; any deviation prompts instant alerts, safeguarding both operators and equipment.
Sterilization chamber: 100 L effective volume, 810 mm depth
The large capacity cuts overall sterilization costs and boosts throughput.
Scope of application
The plasma sterilizer accommodates both metallic and non-metallic devices and is especially suited for heat- and moisture-sensitive instruments. Typical loads include endoscopic and powered devices used in sports medicine, gynecology, general surgery, ENT, ophthalmology, and urology—such as arthroscopes, laparoscopes, sinus endoscopes, resectoscopes, ureteroscopes, electrosurgical cables, drills, and saws.
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