The subject device was returned to omsc for evaluation.The manufacturing history was reviewed, with no irregularities related to this problem noted.Based upon the evaluation of the subject device by omsc it was considered that the distal end of the subject device was not flaking off but being burned by laser.As a result of the evaluation, omsc concluded that the distal end part of the subject device was burned since the user oscillated laser accidentally and/or there was a breakage of the laser probe.Based on the findings, inappropriate handling by the user could not be ruled out as a contributory factor of the event.The instruction manual of urf-v mentions warning and caution for possible mishandling mentioned above, this report is being submitted as a medical device report in an abundance of caution.
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