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Lumenis investigated the reported event by contacting the user facility directly.Six attempts have been made by four (4) phone calls and two (2) emails to obtain; patient treatment settings, patient information, patient photos.No information was sent to lumenis by the facility.An examination of the subject device by a lumenis certified engineer was done.The engineer observed crack in et protective glass and ordered a replacement for proper et handpiece calibration.He then performed a preventive maintenance procedure.Completed preventive maintenance.The system passed operational and safety tests, all met lumenis specifications.A review of device labeling um-1080310 states the following: "warning - the internal power meter window must be clean to ensure accurate calibration.An unclean window and/or handpiece's sapphire tip or insert will result in higher than indicated fluence, which may cause epidermal damage." a review of lightsheer duet hs/et product risk file shows this is an anticipated risk ((b)(4)) which has been quantified and found to unlikely to lead to a serious injury if the malfunction were to recur.The risk has been characterized and documented as acceptable within a full risk assessment.Therefore no corrective or preventive actions are required.Cleaning issues are related to physical damage to the power meter.Thus, before each calibration, the user should check the device is complete and there is no physical damage to the parts.While the information received to date does not confirm that a serious injury occurred nor a malfunction, because of the lack of information regarding the injury leaving a permanent impairment, the company is reporting the event in an abundance of caution.Based on the information provided the most probable cause of the reported event is user error, a failure on the part of the device operator to follow instructions/warnings described in the device user manual.Prior to each calibration the user should check the power meter glass is clean and without any physical damage otherwise, the calibration will fail.Should additional information become available, the complaint record will be updated accordingly and a follow-up medwatch report will be submitted.
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