Flashcards in Miltex Video Deck (19):
most bacteria has been killed
no microorganisms remain
What type of cleaning is preferred for surgical instruments?
What consideration must be taken when using an ultrasonic cleaner?
never put dissimilar metals in an ultrasonic cleaner
What consideration should be taken when cleaning delicate instruments?
delicate instruments should be cleaned by hand
What may happen when a high pH detergent is used to clean instruments?
staining can occur during the autoclave process
What may happen when a low pH detergent is used to clean instruments?
staining and pitting may occur
What should never be used to clean surgical instruments?
steel wool or abrasives
What pH should detergents used to clean surgical instruments be?
near neutral pH
How should hinges and metal on metal surfaces be treated?
lubricate with a steam permeable lubricant
What are three methods to sterilize surgical instruments?
autoclave, dry heat, ethylane oxide gas
cold sterilization is not recommended
What steps should be taken before autoclaving surgical instruments?
separate dissimilar metals, unlock any locking instruments
What type of water should be used in the autoclave?
only distilled and deionized water should be used
What causes orange brown staining without pitting?
improper detergent pH
What causes dark brown staining?
What causes black staining?
acid reaction in the autoclave - very bad
Can brown staining be rust?
rust is rare in surgical stainless steel
What causes bluish black staining?
dissimilar metals being autoclaved together