Other sterilization methods

Dry heat is used to sterilize anhydrous materials (which are ______)

dry heat can be used for parts that do not come into contact with steam, such as ____

Substances that do not mix with water

Stopcocks

Common dry heat sterilizing times and temperatures are _____ degrees C for ___ hours or ____ degrees C for ____ hours

160 degrees for 2 hours or

162 degrees C for 1.5 hours

What are the two types of dry heat sterilizers?

(types of ovens)

Gravity oven: only used in laboratories, hot air circulates due to gravity

Mechanical oven: A fan forces air to circulate around the chamber, producing more uniform temperature throughout

What is an example of dry heat packaging materials

What is not suitable?

Muslin: but deteriorates quickly

Metal canisters

Aluminum foil

NOT suitable: paper and most plastics

Only large manufacturers use irradiation (gamma sterilization) because it is very _____

Expensive

All single use medical devices that are purchased sterile from the manufactuer are sterilized using _____ or _____ sterilization

Gamma ray or ETO process