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There was no patient death associated with this complaint.Ec results code desc - 1: internal specifications show that the device was manufactured within specification control limits.The defect would not effect the functionality of the device.Investigation evaluation: a visual inspection of the returned device was conducted.A document based investigation was also performed including a review of complaint history, device history record, the instructions for use, manufacturing instructions, quality control data, and specifications.One device was returned for investigation.The returned packaging confirms the reported complaint device lot number.Inspection of the returned device noted loose debris on the distal tip and embedded black foreign matter in the clear material of the transfer catheter.A review of the device history record found no non-conformances related to the reported failure mode.A review of complaint history records shows no other complaints associated with 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 related complaints from the lot have been received from the field, it was concluded that there is no evidence that nonconforming product exists in house or in field.The instructions for use (ifu), provides the following information to the user related to the reported failure mode: caution: sterile if the package is unopened or undamaged.Do not use if package is broken.Note: one cell mouse embryo tested and passed with 75% or greater blastocyst rate.Usp endotoxin (lal) tested and passed with 20 eu¿s or less per device.Testing is conducted on a lot-to-lot (batch) basis.While under magnification, evaluation of the returned complaint device observed small black specs in the tubing material.The black specs were embedded in the material.Though every catheter is inspected for debris, flaws and kinks in materials, it is possible that the impurity would not have been noticed due to its size.The spec seems to be impeded in the tubing material or part of the tubing material.Lot-to-lot mea testing was conducted on this device prior to releasing the lot for distribution.It is likely that the impurity would not have impacted embryo growth if the device was used as the complaint lot passed mea testing.Most probable cause, the material was received from the supplier with the embedded foreign material.Per the quality engineering risk assessment, no further action is warranted.Cook medical has notified the appropriate personnel and will continue to monitor this device via the complaints database for similar complaints.This report is required by the fda under 21 cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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