The reported event was confirmed as use-related.A dilation balloon catheter was opened inside of its original packaging along with a amplatz sheath.An evaluation was completed by futurematrix interventional (biomerics) and was approved on 27jan2021.The hubs, hub connections, portholes, markers, and shaft were found to be in good condition.The balloon has a circumferential split mid barrel.The inner balloon was also split.The balloon was inspected under 7-20x magnification and the inner split is a clean split.Some of the split portion of the balloon appears to be a clean cut.X-force catheters are 100% inspected for guidewire and leak check during the final manufacturing process.Due to these 100% inspection checks this defected device would not have passed through the production process.According to the supplier evaluation, the reported event was caused by the user.A potential root cause could be due to the user not being appropriately trained on technique.The device history record review was not required as the reported event was confirmed as use-related.The instructions for use were found adequate and state the following: "carefully inspect the catheter and the sterile packaging for signs of damage that may have occurred during shipment".Warning: if resistance is felt when removing either the catheter or the guidewire from the working sheath, stop and consider removing them as a single unit to prevent damage to product.Applying excessive force to the catheter can result in tip breakage or balloon separation.Only a physician who has an understanding of the clinical applications, technical principles and associated risks associated with balloon dilation of the nephrostomy tract should use this device caution: do not advance or withdraw the catheter or guidewire against any significant resistance.The cause of the resistance must be determined fluoroscopically and remedial action taken.Caution: do not exceed the recommended rated burst pressure (rbp) for this device.Balloon rupture may occur if the rbp rating is exceeded.Please refer to the device label for the recommended rbp." h11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.
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