(b)(4).The customer returned one merit medical dilator and a sheath from a 16fr safe sheath d-pro assembly for evaluation.The lidstock was also returned.Visual inspection of the sample confirmed the dilator tip was damaged.The dilator tip had completely separated from the body.Signs-of-use in the form of biological material was observed on the dilator body.The sheath was torn along the score line.The smartseal was separated from the peel-away sheath tab.The two sections of the dilator returned measured 0.25" and 8.25", totaling 8.5", which is within specifications of 8.49-8.51" per sheath/dilator product drawing.The outer diameter of the dilator measured 0.211", which is within specifications of 0.209-0.212" per sheath/dilator product drawing.The inner diameter of the dilator tip measured 0.039", which is within specifications of 0.038-0.039" per sheath/dilator product drawing.The returned dilator was functionally tested with the returned merit medical sheath per ifu q-15232-126a rev.03 which states, "insert tissue dilator into sheath until dilator cap folds over valve housing and secures dilator onto sheath assembly." the dilator was inserted into a lab inventory sheath with no issues.A device history record review was performed, and no relevant findings were identified.The instructions for use (ifu) provided with this kit warns the user, "do not use excessive force when introducing guidewire or tissue dilator as this can lead to vessel perforation and bleeding." the complaint of a damaged dilator tip was confirmed by a complaint investigation of the returned sample and the customer photo.The dilator tip was completely separated from the dilator body.A device history record review was performed, and no relevant findings were identified.Based on the customer report and the sample returned, the root cause of this investigation is supplier related.A non-conformance has been initiated to further investigate the separated dilator tip.
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