Sterilizing Units, Plasma
Definition : Sterilizing units designed for total inactivation of microorganisms that are or may be present on medical devices using vapors or gases in plasma state, a form of matter that includes electrons and positive ions usually resulting from the application of a strong electromagnetic (e.g., radio frequency) field. These units usually include a treatment (frequently vacuum) chamber with shelves on which the devices to be sterilized are placed, usually after being cleaned of gross debris and then packed; means to introduce the vapor (e.g., hydrogen peroxide, H2O2) into the chamber; electrodes that are activated to convert the vapor to plasma; a radio-frequency generator; and controls to start/stop automated cycles of the procedure. After the sterilization cycle is complete an integral evacuation system to eliminate the residues (water and oxygen when using H2O2) is usually activated. Plasma sterilizing units are available in a variety of shapes and sizes in both stand-alone (bulk) and tabletop models; they are used for devices and supplies that are sensitive to high temperature and humidity (e.g., devices and supplies that include plastic and/or rubber components).
Entry Terms : "Sterilizing Units, Agar" , "Sterilizers, Plasma" , "Plasma Sterilizers" , "Washers, Rigid Endoscope" , "Hydrogen Peroxide Gas Plasma Sterilizers" , "Gas-Plasma Sterilizing Units" , "Cold-Plasma Sterilizing Units" , "Ion-Plasma Sterilizing Units"
UMDC code : 18146