immediate use steam sterilization
Also written as: IUSS — Immediate Use Steam Sterilization
Steam sterilization of unwrapped instruments for immediate use when standard sterilization is impractical.
Full Definition
Immediate use steam sterilization (IUSS), formerly called flash sterilization, is an emergency sterilization method used when patient care would be compromised by delays in standard sterilization processes. IUSS involves sterilizing unwrapped instruments at higher temperatures for shorter times, with immediate transfer to the point of use. The practice requires strict protocols for instrument selection, cycle parameters, sterile transfer, and documentation. IUSS should be used only when absolutely necessary due to increased contamination risks and limited sterility assurance.
Usage
Usage note: Preferred term is 'immediate use steam sterilization.' Avoid 'flash sterilization' as it suggests speed over safety.
In Context
- "The dropped instrument required immediate use steam sterilization to avoid case delays." — Operating room incident report
- "IUSS protocols must include provisions for sterile transport to maintain instrument sterility." — Policy and procedure manual