ΚΛΙΝΙΚΕΣ ΚΑΤΕΥΘΥΝΤΗΡΙΕΣ ΟΔΗΓΙΕΣ • ΑΠΟΣΤΕΙΡΩΣΗ Bleach: Household bleach (that includes 5.25% or 6.00%–6.15% sodium hypochlorite depending on manufacturer) is usually diluted in water at 1:10 or 1:100. Approximate dilutions are 1.5 cups of bleach in a gallon of water for a 1:10 dilution (~6,000 ppm) and 0.25 cup of bleach in a gallon of water for a 1:100 dilution (~600 ppm). Sodium hypochlorite products that make pesticidal claims, such as sanitisation or disinfection, must be registered by EPA and be labeled with an EPA Registration Number. Bowie-Dick test: diagnostic test of a steriliser’s ability to remove air from the chamber of a prevacuum steam steriliser. The air-removal or Bowie-Dick test is not a test for sterilisation. Ceiling limit: concentration of an airborne chemical contaminant that should not be exceeded during any part of the workday. If instantaneous monitoring is not feasible, the ceiling must be assessed as a 15-minute time-weighted average exposure. Centigrade or Celsius: a temperature scale (0°C = freezing point of water; 100°C = boiling point of water at sea level). Equivalents mentioned in the guideline are as follows: 20°C = 68°F; 25°C = 77°F; 121°C = 250°F; 132°C = 270°F; 134°C = 273°F. For other temperatures the formula is: F° = (C° × 9 ∕ 5) + 32 or C° = (F° – 32) × 5 ∕ 9. Central processing or Central service department: the department within a healthcare facility that processes, issues, and controls professional supplies and equipment, both sterile and nonsterile, for some or all patient-care areas of the facility. Challenge test pack: pack used in installation, qualification, and ongoing quality assurance testing of health-care facility sterilisers. Chemical indicator: device for monitoring a sterilisation process. The device is designed to respond with a characteristic chemical or physical change to one or more of the physical conditions within the sterilising chamber. Chemical indicators are intended to detect potential sterilisation failures that could result from incorrect packaging, incorrect loading of the steriliser, or malfunctions of the steriliser. The “pass” response of a chemical indicator does not prove the item accompanied by the indicator is necessarily sterile. The Association for the Advancement of Medical Instrumentation has defined five classes of chemical indicators: Class 1 (process indicator); Class 2 (Bowie-Dick test indicator); Class 3 (single-parameter indicator); Class 4 (multiparameter indicator); and Class 5 (integrating indicator). Contact time: time a disinfectant is in direct contact with the surface or item to be disinfected. For surface disinfection, this period is framed by the application to the surface until complete drying has occurred. Container system, rigid container: sterilisation containment device designed to hold medical devices for sterilisation, storage, transportation, and aseptic presentation of contents. 59
RkJQdWJsaXNoZXIy MzU4MTg0