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Cards In This Set
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Brown/Orange Staining on Instruments
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Not Rust, a result of high pH surface deposits caused by: Chlorohexidine use, improper soaps/detergents, cold sterilization solution, possibly baked on blood, soaking in saline.
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Dark Brown or Black Staining on Instruments
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Low pH (less than 6) acid stain. May be caused by improper detergents and soaps or dried blood.
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Bluish Black Staining on Instruments
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Reverse plating, different metals ultrasonically processed together . Exposure to saline , blood or potassium chloride will cause this stain to occur.
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Multicolor Staining on Instruments
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Excessive heat by a localized hot spot in the processing cycle.
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Light and dark Spotting on Instruments
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Water spots from allowing instruments to air-dry. With slow evaporation , the minerals (Sodium, calcium and magnesium) are left on the instruments surface.
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Bluish gray Staining on Instruments
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Cold sterilization solution being used outside manufacturer guidelines.
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Black Staining on Instruments
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Possible exposure to ammonia.
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What is the testing standard for General Scissors larger than 4.5"?
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Test using red test material , 3/4 of the blade should cut completely through test material 3 timeswithout snagging, Especially at the tip.
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What is the testing standard for General Scissors smaller than 4.5"?
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Test using yellow test material , 3/4 of the blade should cut completely through test material 3 timeswithout snagging, Especially at the tip.
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What is the testing standard for Osteotomes?
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Use a plastic dowel rod at a 45 degree angle and the osteotome should bite into the rod. Visual inspection of edge can identify damaged cutting surface. A sharpened osteotome should be 90 degree at the corners and look like a church steeple from the side.
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What is the testing standard for Curettes?
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Edges are free of nicks and burrs, using a plastic dowel rod the sharpened edges should stick into the rod and remove a sample.
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What is the testing standard for laparoscopic Scissor?
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Blades will cut through a single layer of facial tissue paper without snagging.
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What is the testing standard for knives?
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Blades are free of nicks and when sharpened on both sides will stick to a plastic dowel rod.
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What is the testing standard for Kerrison Ronguers?
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Jaws will cut cleanly through a single layer of an index card without tearing. Ronguer will open and close smoothly and should spring open.
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What is the testing standard for double action Ronguers?
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Jaws will cut cleanly through a single layer of an index card without tearing. Ronguer will open and close smoothly and should spring open.
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