(b)(4).The customer returned one unit 5-15401 sher-i-swiv/fo for investigation.The returned sample was visually examined with and without magnification.Visual examination revealed that the 15m part of the cobb connector was detached and not returned.The returned sample was sent to the manufacturing site for further investigation.Dimensional inspection could not be performed on the returned sample since the sample was damaged.However, production representative samples were tested.All 30 pieces of cobb connector tested by the manufacturing site were found to be within the specifications.No dimensional defects were observed with the production representative samples.Functional inspection could not be performed based on the condition of the returned sample.The returned sample was sent to the manufacturing site for further investigation.A pull test could not be performed on the returned sample since the 15m connector was already detached.However, a pull test was performed on current production representative samples.Fifteen samples were tested and all samples passed the pull test (withstand up to 8kg force applied without detaching).The ifu for this product states, "single use: do not reuse, reprocess or re-sterilize." "reprocessing of medical devices intended for single use only may result in degraded performance or a loss of functionality." the reported complaint of "broken/cracked - double swivel connector" was confirmed based upon the sample received.Based on the testing performed by the manufacturing site, it appears that the returned sample most likely detached due to the application of high force.This failure appears to be isolated to (b)(4) complaints from one customer.Therefore, the root cause of this complaint is user error.An in-service request has been submitted.
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