This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.The customer noted that they cleaned, disinfected, and sterilized the device before it was sent to olympus.However, all other cds (cleaning disinfecting and sanitizing) measures are unknown.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 2 years since the subject device was manufactured.A definitive root cause was not identified; however, based on the results of the investigation, the probable cause of the malfunction is likely that stains adhered from the procedure were not sufficiently removed and remained in the device due to improper reprocessing steps.Additionally, foreign material possibly appeared in the endoscopic image since material adhered to the objective lens was confirmed during incoming inspection.The event can be prevented by following the instructions for use which state: chapter 3 preparation and inspection 3.3 inspection of the endoscope.¿ ¿chapter 3 preparation and inspection, section 3.8 inspection of the endoscopic system.¿ olympus will continue to monitor field performance for this device.
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