The parameters for verifying the reliability of sterilization are F-value and F0-value.
The measure of employing strong physical and chemical factors to permanently disable all microorganisms inside and outside any object from their ability to grow and reproduce is called sterilization. Sterilization commonly used methods are chemical reagent sterilization, ray sterilization, dry heat sterilization, moist heat sterilization and filter sterilization. Can be based on different needs, the use of different methods, such as media sterilization generally use moist heat sterilization, air is used to filter sterilization.
The thoroughness of sterilization is governed by the sterilization time and the strength of the sterilizing agent. The resistance of microorganisms to the sterilizing agent depends on the density of the original population present, the strain, or the resistance conferred on the strain by the environment. Sterilization is essential to obtain pure cultures and is a necessary technique in the food industry and medicine.
Basic principles:
Reused diagnostic and therapeutic instruments, appliances, and objects should be cleaned after use and then disinfected or sterilized. Diagnostic and therapeutic instruments, apparatus and articles contaminated by prions, gas gangrene and sudden and unexplained infectious disease pathogens, should implement the provisions of chapter 11 of WS/T367. Heat-resistant, moisture-resistant surgical instruments, should be preferred pressure steam sterilization, should not be taken to chemical disinfectant immersion sterilization.
Environmental and object surfaces, in general, first clean, then disinfected; when contaminated by patient blood, body fluids and other contaminants, first remove the pollutants, then clean and disinfect. Medical institutions disinfection work in the use of disinfection products should be approved by the health administrative department or in line with the appropriate standards and technical specifications, and should follow the approved scope of use, methods and precautions.