Sterilizing Units, Dry Heat

Definition : Sterilizing units designed for total inactivation of microorganisms that are or may be present on medical devices that are not sensitive to high temperature using dry heat. These units usually include a treatment chamber with shelves on which the devices to be sterilized are placed, usually after being cleaned of gross debris; a heat source (e.g., electric heater) to provide heat to the chamber; and controls to regulate the time and/or temperature of the procedure. The heat may flow in the chamber either by natural convection or the use of forced air (e.g., fans, high-speed hot air jets) to accelerate and/or make more uniform the process. Units that transfer heat to the devices under sterilization (e.g., dental instruments) are also available. Frequently the time and temperature of the sterilizing cycles are pre-established according the type of device to be sterilized and/or the type of microorganism that may be present; typical sterilization temperature ranges are from 160 to 300 degrees Celsius (320 to 572 degrees Fahrenheit), usually the time needed for sterilization is shorter for higher temperatures. Sterilizing units are available in a variety of shapes and sizes; dedicated large stand-alone units intended for bulk sterilization and smaller tabletop models are available.

Entry Terms : "Dry Heat Sterilizers" , "Glass-Bead Sterilizing Units" , "Sterilizers, Dry Heat"

UMDC code : 13739

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