Dermatome was returned for evaluation: failure analysis - the head assembly is misadjusted and need to get readjusted.The 2" width clip is wasted and will be exchanged.Additional some small wasted parts need to get replaced.The power supply is missing all 4 rubber feet, the rubber feet will be added.Have to perform final functional and safety test.Root cause - the most likely root cause is use error and/or rough handling over time causing damage to the dermatome.Proper adjustment, proper technique, and proper handling per the dermatome ifu should prevent against "turbulent" grafts.
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