The device history records (dhr) for the device were reviewed.The associated device was released based on acceptance criteria.A review of the technical service onsite history showed no abnormalities that could have contributed to this event: laser was successfully verified prior to and after the day of the treatment.Contributing factors of dlk could be sterilization of instruments, surgical techniques, pre and post-operative medications.No udi required due to this device was out of production prior to the september 24, 2014 udi regulation date.The manufacturer internal reference number is: (b)(4).
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