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As reported by the area representative, during a thoracoabdominal aneurysm repair procedure, the check-flo extra large introducer 20f sheath was used on the contralateral side of the patient¿s anatomy to allow access of three flexor high-flex ansel guiding sheaths into the superior mesenteric artery and two renal arteries.The valve on the 20f sheath leaked blood throughout the procedure and the anesthesiologist was required to administer blood products to keep the patient stable for the remainder of the procedure.The blood loss that was occurring also required the two operating surgeons to speed up the pace of the placement of the mating stents into the arteries which they were not comfortable with.No further information has been provided.Additional patient, event and device information has been requested from the user facility.
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Investigation ¿ evaluation: the product was not returned for evaluation and no photographs were provided.Without the complaint device, a physical investigation was not able to be completed.A documentation based investigation was performed.This included a review of complaint history, the device history record, the instructions for use, and quality control data.The device history record was reviewed and no nonconformances related to the reported failure mode were noted.The subassembly that includes the valve is 100% air leak tested.A review of complaint history revealed this complaint to be the only reported complaint associated to the complaint lot number 6759601.Based on the investigation evaluation, there is no indication that a design or process related failure mode contributed to this event.Current controls for manufacturing are in place to assure functionality; device integrity prior to shipping.A review of production and quality documentation did not identify any specific issues with current manufacturing or quality controls that may have contributed to this incident.The xvcfw-20.0-35-40 is intended for introduction of balloons, closed and non-tapered end catheters or other diagnostic and interventional devices.There was no information provided regarding other devices used with the xvcfw-20.0-35-40 other than the three kcfw¿s.It is not known if other devices used met their manufacturer¿s quality specifications.The ifu states, ¿upon removal from package, ensure the inner diameter (id) of the introducer is appropriate for the maximum diameter of the instrument or catheter to be introduced.The maximum diameter of the instrument or catheter to be introduced should be determined to ensure its passage through the introducer.All instruments or catheters used with this product should move freely through the valve and sheath.Damage to the valve/introducer may result when the fit is tight.¿ there is no information regarding any patient anatomical features.According to the ifu, ¿before withdrawing the sheath through tortuous anatomy, insert the introducer dilator to avoid possible breakage.¿ there is no information regarding the removal of the device.Per the ifu, ¿withdraw the sheath and dilator as a unit.¿ each device is shipped with instruction for use (ifu), listing the indications for use, contraindications, warnings and precautions.Per the ifu: based on the provided information a definitive root cause cannot be established.Per the quality engineering risk assessment, no further action is required.Cook medical has notified the appropriate personnel and will continue to monitor this device via the complaints database for similar complaints.
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