This supplemental report is being submitted to provide the results of the device history record (dhr) review and the review of the instructions for use (ifu).A review of the dhr found no anomalies or abnormalities identified during device production.To ensure proper function of the device the ifu recommends the following preventative maintenance: "the operator should ensure the probes, generator, transducer, and accessories are undamaged prior to beginning any procedure.Take special care to ensure all cables are undamaged.Olympus recommends that the generator and transducer are returned every 24 months for a calibration and safety inspection.To return a unit for calibration and safety inspection, contact olympus customer service and request a return material authorization (rma) number." as no abnormalities were noted during dhr review, damage to the internal circuit board is likely a result of rough handling or has been incurred during transportation through out the life of this device.
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