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The reported complaint is inconclusive.The device is not being returned and no photograph evidence was provided.Therefore, the reported failure could not be verified, root cause could not be identified.The manufacturing documents from the device history record have been reviewed with special attention to the manufacturing and inspection of the product.The product released for distribution were found to have met all specifications prior to shipment and found no abnormalities that would contribute to this issue.A two-year lot history review shows this is the only complaint for this lot number and failure mode.A two-year review of complaint history for this device family and failure mode, revealed there has been a total of 15 complaints, regarding 25 devices, for this device family and failure mode.During this same time frame 56,445 devices have been manufactured and shipped worldwide.Should all the complaint devices have been found confirmed for this reported failure, the rate of failure would be 0.0004.The instructions for use (ifu) provides the user with information regarding proper care and use of this device.Conmed encourages the inspection and/or test of all medical equipment prior to use to ensure all devices are functioning as expected.The ifu also advises the user that prior to use, slowly test deploy net by sliding thumb ring and finger rings apart.Inspect the net for damage.During use, once the net is over the target object, keeping the object within the net, slowly close the net by sliding the finger and thumb rings together until the net forms a pouch around the target object.Use light tension on the thumb and finger rings to ensure just enough pressure to maintain the pouch, thereby keeping the object in the net.Do not perform a complete retraction via the specimen protection collar, as this will crush the specimen and possibly damage the net and/or sheath.Do not attempt to retract the object into to the working channel of the endoscope as this will crush the specimen and possibly damage the net sheath and/or endoscope.This issue will continue to be monitored through the complaint system to assure patient safety.
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On behalf of the customer, the conmed sales representative reported an issue with the spider-net retrieval bags, item # 00230a, lot 201907221.It was reported that on (b)(6) 2019, "product was used in an upper endoscopy for a food impaction.The netting ripped and the wire bent." it is indicated that there was no impact or injury to the patient and the procedure was successfully completed with a 3-minute delay by using an alternate device.Additional information obtained clarifies that the doctor was trying to remove food and the netting broke and wire bent after securing the food bolus.It is believed that no piece of the spider-net detached or fell off the device back into the patient.This report is being raised on the basis of previous mdr filings for similar incidents of malfunction with potential for injury upon reoccurrence.
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