Surgical asepsis is the absence of all microorganisms within any type of invasive procedure. This can be done with chemicals such as bleach or alcohol, or with physical means such as heat or filtration.1.5 Surgical Asepsis and the Principles of Sterile Technique Surgical AsepsisĪsepsis refers to the absence of infectious material or infection. Disinfection is the removal of most microorganisms from an object or surface. This can be achieved through physical means such as boiling or autoclaving, or through chemical means such as using bleach or alcohol. Sterilisation is the destruction of all microorganisms. Asepsis can be accomplished through sterilisation, disinfection, and antisepsis. It is the practice of keeping an area free of pathogenic microorganisms. ConclusionĪsepsis is the absence of contamination or infection. This includes washing your hands regularly and avoiding touching your face or mouth. This helps to reduce the number of the microorganisms present and makes it less likely that they will grow.įinally, it is important to maintain good personal hygiene. This means using clean techniques when handling instruments and dressings, and being careful not to touch anything that could be contaminated.Īnother important principle is to cleanse contaminated surfaces with a disinfectant. The most important principle in asepsis is to avoid contact with anything that could be contaminated. For example, during surgery, physical removal (scrubbing) and heat destruction (sterilisation) are both used. One or more of these methods may be used depending on the situation.
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