Olympus medical systems corp.(omsc) was informed that as a result of routine microbiological testing by the user facility, the sample collected from the subject device tested positive for the unspecified microbes.The device had been reprocessed a non-olympus automated endoscope reprocessor, endoclens.There was no report of infection associated with this report.
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This supplemental report is being submitted to provide additional information.Olympus medical systems corp.(omsc) was informed that the microbes which had been found at the user facility microbiological test was escherichia coli.The subject device was returned to omsc for the evaluation and investigation.Omsc observed the subject device channel inside from the instrument channel outlet of the distal end to the suction connector.It was found no abnormality such as the kinks or damage except the white foreign objects.It also was not found the significant dirt, foreign objects, damage at the distal end or instrument channel port or around the suction cylinder and the air/water cylinder.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.As a result of analysis of the white foreign objects, it was the dry powder.Chlorine and sodium were detected strongly by the energy-dispersive x-ray spectroscopy analysis.Omsc surmised that the white foreign objects might be the sodium chloride which is derived from the physiological saline.Olympus service operation repair center (sorc) checked the subject device and found that following; the angulation had been insufficient.The coating of the suction cylinder and the air/water cylinder had peeled.The adhesive of the bending section rubber had been chipped.The insertion tube had scratches, dents and creases.The adhesive of the light guide lens had peeled.There was air leak from the elevator control lever and metal part of the distal end.According to the additional information from the user, the subject device had been reprocessed with a non-olympus automated endoscope reprocessor, endoclens neo, using phtharal.The exact cause of the reported event could not be conclusively determined at this time.
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