Surgical Instrument Reprocessing Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
loaner instrumentation
Surgical instruments borrowed from manufacturers or other facilities for specific procedures, requiring special reprocessing protocols.
rigid sterilization container
A reusable, hard-sided container system with filtered vents designed to maintain sterility of packaged instruments.
SAL
Sterility Assurance Level - the probability of a viable microorganism being present on a product after sterilization.
semi-critical instrument
Surgical instruments that contact mucous membranes or non-intact skin, requiring high-level disinfection or sterilizatio...
soil challenge testing
Validation testing that intentionally contaminates instruments with standardized soil loads to verify cleaning process e...
soil emulsification
The process of breaking down and suspending organic debris and protein-based soils during instrument cleaning.
Spaulding classification
Risk-based categorization system dividing medical devices into critical, semi-critical, and non-critical categories.
steam flush pressure pulse
A pre-vacuum sterilization cycle variant that uses repeated steam injections and vacuum draws to enhance air removal and...
steam penetration
The ability of steam to reach all surfaces of packaged instruments during sterilization, critical for achieving sterilit...
steam penetration test
A standardized test to verify that steam can adequately penetrate and displace air from sterilizer loads and packaging s...
steam quality
The measurement of steam purity and dryness, typically expressed as percentage dryness fraction, critical for effective...
sterilant penetration
The ability of sterilizing agents to reach all surfaces within packaged instrument sets and complex device lumens.
sterile barrier system
The packaging configuration that provides and maintains sterility of medical devices until they are used, including the...
sterile storage time
The validated period during which properly packaged and stored sterile items maintain their sterility.
sterility assurance level
Statistical measure expressing the probability of a viable microorganism surviving sterilization.
sterility maintenance
The preservation of sterile conditions of instruments and packages from sterilization completion until clinical use thro...
sterilization wrap
Specialized packaging material designed to maintain sterility while allowing sterilant penetration during the sterilizat...
sterilizer efficacy testing
Regular monitoring procedures to verify that sterilization equipment consistently achieves required microbial kill.
strike-through
The penetration of moisture through sterile packaging material, compromising the sterile barrier.
superheated steam
Steam heated above its saturation temperature, which is detrimental to sterilization as it lacks the moisture necessary...
superheated steam detection
Monitoring methods used to identify steam that has been heated above its saturation temperature, which can impair steril...
superoxide
A highly reactive oxygen species used in some low-temperature sterilization systems as an alternative to traditional gas...
terminal sterilization
Final sterilization of medical devices in their final packaging before distribution or use.
tray standardization
The systematic organization and configuration of surgical instrument sets to ensure consistency, efficiency, and safety.
ultrasonic cleaner
A cleaning device that uses high-frequency sound waves to create cavitation bubbles for removing debris from surgical in...