(b)(6).Investigation results: summary: no photos or samples were received in the (b)(4)plant for evaluation therefore the failure mode could not be verified.A device history record review found no non-conformances associated with this issue during production of this batch.Three retained samples were visually inspected with no defects found, the steel was properly flared, the traction power between the cannula and the hub was acceptable, the traction power between the stylet and the cube were also acceptable and after performing the traction power test, it was verified the steel was properly blasted.Based upon the quality team's investigation, the root cause of this incident cannot be determined.Examination of the product involved may provide clarification as to the cause for the reported failure.Conclusion: customer complaint about the separation of the needle and the plastic part (hub).No pictures or samples are available.Three (3) retained samples were checked: no defects were found.Visual inspection shows no defects.The steel is properly flared in the 3 samples.Traction power between the cannula and the hub is acceptable in the 3 samples.Traction power between the stylet and the cube is also acceptable.After having performed the traction power test, it was verified that the steel is properly blasted.No non-conformances were found during manufacturing process (assembly lot#7159470).Needle defect- other.Customer complaint about the separation of the needle and the plastic part (hub).No pictures or samples are inspection and test - spinal needles are manufacturing in (b)(4) plant.During manufacturing process, several tests and inspections are carried out to avoid faulty parts.According to ae-301 (current version), it is verified that the cannulas are properly flared.Traction power between the cannula and the hub (= 12 lb), and between the stylet and the cube (= 5 lb) is measured during manufacturing process according to ae-500 and after sterilization according to ae-600 (frequency is also established in this procedures).Conclusion - no samples or pictures are available.No defects were found in retained samples.No qn's were found during dhr review.Root cause: no samples or pictures are available.No defects were found in retained samples.No qn's were found during dhr review.Rationale: based on the severity and frequency of the defect (according to ps-001) a cid was open (b)(4).No capa is required.
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