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The customer reported to olympus that the doctor was using the disposable biopsy forceps to complete a diagnostic colonoscopy procedure.Prior to beginning the procedure, the nurse had examined and tested the device with no issues detected.Then when using the disposable biopsy forceps, the doctor noticed something resembling a black thread at the hinge of the forceps cup from the monitor.The forceps was withdrawn and changed to a new one to complete the procedure.There was no report of patient harm.
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This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.The customer answered the following: 1.Has the product been reprocessed and used? not reprocessed, this is single use product.2.Are there any damaged or corroded parts on the product other than the foreign material? no damaged or corroded on the product.3.Please let us know the color of the foreign substances.(which of the following color applies? pitch-black, blackish or dark blue) pitch-black 4.Please let us know the material of the foreign substances.(whether they were thread or resin)? resin 5.Please let us know the information of the endoscope and instruments used for the procedure.Taking biopsy during routine diagnostics colonoscopy.Exact model of the colonoscopy is not available.6.Were there any other abnormalities other than adhesion of foreign substances? (for example, an endoscope or another procedure instrument was damaged and missing.) no other abnormalities observed.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the foreign material was unable to be identified and the root cause was unable to be determined.The event can be prevented by following the instructions for use which state: "do not insert the instrument into the endoscope while the cups are open.Otherwise, patient injury, such as perforation, bleeding, or mucous membrane damage could occur.It could also damage the endoscope and/or instrument.Do not force the instrument if resistance to insertion is encountered.Reduce the endoscope¿s angulation (or lower the forceps elevator if applicable) until the instrument passes smoothly.Attempting to force the instrument could cause patient injury, such as perforation, bleeding, or mucous membrane damage.It could also damage the endoscope and/or instrument." olympus will continue to monitor field performance for this device.
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