Which aseptic technique uses sound waves to cleanse surgical instruments?

Ultrasonic sanitization is the correct answer because it utilizes high-frequency sound waves to create microscopic bubbles in a cleaning solution. This process, known as cavitation, allows the bubbles to collapse and produce high-energy waves that effectively dislodge dirt, debris, and contaminants from surgical instruments. This method is particularly efficient in reaching areas that are difficult to clean using manual or other conventional methods, ensuring a thorough decontamination process suitable for surgical tools.

In contrast, chemical sanitization involves the use of chemical agents to disinfect instruments but does not employ sound waves. Autoclaving uses steam under pressure to sterilize instruments, which relies on heat rather than sound waves to achieve sterility. Dynamic air removal is a technique used in certain autoclave systems to enhance the efficiency of steam penetration, but it also does not use sound waves for cleansing. Each of these methods serves different purposes and operates on different principles than ultrasonic sanitization, making ultrasonic sanitization uniquely effective for the cleaning of surgical instruments in many medical settings.