(b)(4).Dhr review could not be conducted since the lot number was not provided.The customer returned one unit pi-93 taut intraducers 10/bx 7.5 fr x 3.5 for investigation.The returned sample was visually examined with and without magnification.Visual examination of the returned sample revealed that the sample appears used as there is biological material present on the device.It was observed that the clear disc is missing from the check valve.The clear disc was not returned.The disc could have fallen out of the check valve due to the catheter getting stuck on it and pulling it out.However it could not be confirmed whether or not this was the case.The catheter that was used was not returned.No other defects or anomalies were observed.Reference files (b)(4) for investigation photos.The ifu for this product, l03610, was reviewed as a part of this complaint investigation.The ifu states, "insert the intraducer assembly through the abdominal wall using a continuous, controlled, slow, forward motion.Under direct visualization using the laparoscope, penetrate the peritoneum until the catheter tip is just visible within the peritoneal cavity." "immediately upon entry into the peritoneal other remarks: cavity, hold the intraducer in place and withdraw the needle completely.Remove check valve from needle hub and reinstall on intraducer catheter hub." a corrective action is not required at this time as it cannot be determined what caused the complaint issue.The clear disc in the check valve was missing from the check valve.The reported complaint of "broke off in patient" was confirmed based upon the sample received.The clear disc from the check valve was missing from the device and was not returned.The disc could have fallen out of the check valve due to the catheter getting stuck on it and pulling it out.However it could not be confirmed whether or not this was the case.The catheter that was used was not returned.It cannot be determined what caused the reported complaint issue.
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