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It was reported the salle pyeloplasty stent set¿s stent snapped while attempting to remove it.The patient of undisclosed gender and age underwent right open pyeloplasty on (b)(6) 2025 and was discharged home on (b)(6) 2025.On (b)(6) 2025 during outpatient (op) clinic visit for removal, it snapped while attempting to remove it.Patient required operating room (or) takeback and overnight admission due to broken nephroureteral stent.Open incision was required to remove the device.No clear cause/mechanism was provided for how the stent broke.Provider believes the stent/drain was faulty, the device was not saved.As section of the device did not remain inside the patient¿s body.Additional information has been requested but is unavailable at this time.
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Correction: g2.Investigation ¿ evaluation.It was reported the salle pyeloplasty stent set¿s stent snapped while attempting to remove it.The patient of undisclosed gender and age underwent right open pyeloplasty on (b)(6) 2025 and was discharged home on (b)(6) 2025.On (b)(6) 2025 during outpatient (op) clinic visit for removal, it snapped while attempting to remove it.Patient required operating room (or) takeback and overnight admission due to broken nephroureteral stent.Open incision was required to remove the device.No clear cause/mechanism was provided for how the stent broke.Provider believes the stent/drain was faulty, the device was not saved.As section of the device did not remain inside the patient¿s body.Reviews of the complaint history, device history record (dhr), instructions for use (ifu), and quality control (qc) procedures were conducted during the investigation.The complaint device was not returned to cook for investigation.Additionally, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.A review of the device history record (dhr) found no related non-conformances reported for lot.There is no evidence that nonconforming product exists in house or in the field.A complaint history database search showed no other related complaints associated with the failure mode for the complaint device lot.Because there are no related non-conformances, adequate inspection activities have been established, there is objective evidence that the dhr was fully executed, and no other lot related complaints that have been received from the field; cook has concluded that the device was manufactured to specification and that there is no evidence that nonconforming product exists in house or in field.Cook also reviewed product labeling; the ifu supplied with the device states the following in consideration of the reported failure mode: ¿potential adverse events.¿ encrustation.¿ breakage/erosion¿.¿how supplied: supplied sterilized by ethylene oxide gas in peel-open packages.Intended for one-time use.Sterile if package is unopened and undamaged.Do not use if there is doubt as to whether the product is sterile.Store in a dark, dry, cool place.Avoid extended exposure to light.Upon removal from the package, inspect the product to ensure no damage has occurred.¿ ° ¿note: the stent may be removed by gentle withdrawal traction of the extracorporeal portion of the stent through the puncture site¿.Based upon the available information, no product returned, and results of the investigation, cook has concluded that the cause for the complaint could not be established.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the risk assessment, no further action is required.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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