According to the report, "circulator was getting the hand piece ready for use yet it was not working properly." the hospital provided information which stated "the laser would not pass the calibration process on four different tries." the procedure was delayed 20 minutes as another handpiece was obtained and used without any further issues.Additional information indicated "[handpiece ta-04070] did not pass laser output text [test] x4 tries - added approximately 20 mins [minutes] to procedure - nurse had to leave room to get another laser fiber [handpiece]" and "the laser would not pass the calibration process on four different tries." the manufacturing records for lot ta-04070 were reviewed and it was confirmed that all records were controlled, available for review, and met all specifications per the device master record.The lot passed functional testing and met cryolife release specifications.The handpiece was returned and evaluated.No damage was noted.The handpiece was connected to the helium-neon (hene) laser to test functionality and effectively delivered laser.The handpiece was tested at its calibration of 43%, as well as 49% and 50% numerous times and functioned properly.The handpiece was connected to a solargen 2100s console and was tested, delivering laser bursts onto black laser alignment paper.It functioned with no defects noted.A root cause could not be determined and the complaint could not be confirmed as the handpiece effectively delivered laser energy.
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