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Lumenis investigated the reported event by contacting the user facility by three (3) emails and three (3) calls to obtain; patient treatment settings, patient information, patient photos.No information was received by incident forms nor photos.An examination of the subject device was done by a lumenis service.He found the internal energy detector glass damaged and installed new energy glass.Performed preventive maintenance, calibrated both et and hs heads.The machine passes all tests.According to service product & business manager of the lightsheer: " no need to ask for any item as the root cause of this issue was related to the burn power meter protective window.The user manual and before each calibration the user is asked to verify this window is clean which eventually wasn't done in this case".A window that is not kept clean can lead to its being burned, and the resulting calibration will be incorrect.The user is instructed by the software and by the user manual to clean the power meter window.According to um-1080310 rev, d page 53: " warning - the internal energy meter window must be clean to ensure accurate calibration.An unclean window will result in higher than indicated fluence, which may cause epidermal damage".No clinical evaluation was done as no incident forms were sent to lumenis.The main root cause is considered to be that the user did not follow instructions for keeping the energy calibration window clean and with good integrity.While the information received to date does not confirm that a serious injury occurred, due to the lack of information regarding the injury leaving a permanent impairment, the company is reporting the event in an 'abundance of caution'.Should significant additional information become available, the complaint record will be updated accordingly and a follow-up medwatch report will be submitted.
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