Qn# (b)(4).A device history record review was performed on the epidural needle with no relevant findings.The customer reported the epidural needle was difficult to advance into the epidural space.The customer returned four sealed representative kits from the same lot # as reported on the complaint ((b)(4)) for investigation.The actual complaint sample was not returned.The returned kits were opened, and the epidural needles were removed and were visually examined.Visual examination of all four returned needles revealed, the needles looked typical with the bevel appearing to be polished and smooth with no observed burrs as well as the needle's cannula appearing to be typical.Since the needles were returned from sealed representative samples.A functional test was performed by attempting to thread a lab inventory catheter through the returned epidural needles.The catheter was thread at the distal end and would thread through each epidural needle with no resistance met.A drag test was performed per pip-013, rev 3 using a lab inventory catheter and returned needles with a weight (ref-002579).The catheter could thread through each of the returned needles with no resistance met.The returned needles passed the drag test.A design history review was performed for kit # jc-05400-b and part # rz-05400-006 as a part of this complaint investigation.There have been no material changes for these parts during the last two years that could have led to this complaint.Also, penetration and ping data was requested from the manufacturing site (zdar).According to the manufacturing site, penetration data from supplier nor testing the penetration at the manufacturing site during incoming inspection is not required.Based on this, the penetration and ping data is not available.A corrective action is not required at this time as the complaint could not be confirmed based upon the information provided and without the actual complaint sample.The representative samples received were functionally tested and visually inspected with no issue found.The reported complaint of the epidural needle was difficult to advance into the epidural space could not be confirmed based on the sample received.The actual complaint sample was not returned.Four representative samples were returned.Visual examination of the returned needles revealed no observed defects or anomalies.Since representative samples were returned, functional testing was performed on the returned needles.A lab inventory catheter could be thread through all returned needles with no resistance met.The returned needles passed a functional drag test.A device history record review was performed on the needle with no relevant findings.Penetration and ping data were requested from the manufacturing site; however, it was not available.A potential root cause could not be determined based upon the information provided or without the actual complaint sample.
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