Neuro Instruments
How often should Kerrison be sharpened.
Every 1 to 2 months
Every 3 to 4 months
Every 3 to 6 months
Every 6 to 12 months
The most imporant factor is number of uses and level of surgeon satisfaction.
How is the sharpness of a Kerrison rongeur tested.
Plastic stick
Red testing material
Stock index card
Leather strip
Kerrison should cut cleanly through the stock card.
Can Kerrison go into a ultrasonic cleaner.
Yes
No
Ultrasonic cleaning can remove hidden blood, tissue, and bone that can't be reached with manual cleaning, especially in non-takeapart designs.
Which Kerrison design is better.
non -take-apart Kerrison
take-apart Kerrison
The take apart design makes it easier to remove bioburden (the leading cause of SSIs) and thoroughly clean the instrument.
Which is not a common bit size for Kerrison.
2 mm
4mm
5mm
7mm
The common bite sizes are 1 mm to 5 mm. Bite size is the width as measured across the tip of the instrument from the inside.
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