Device evaluated by mfr.: the device was returned for analysis.The balloon was tightly folded with the stent tightly crimped over the balloon.The tip, stent, balloon, proximal weld, and shaft were microscopically and visually inspected.Inspection revealed a kink in the shaft that was located 14.5 cm from the tip of the device.Inspection of the remainder of the device found no other damage or irregularities.There was no evidence of any damage or irregularities contributing to the reported advancing difficulty and dissection, which could not be confirmed because the clinical circumstances could not be replicated.It is considered most likely that the shaft kink is attributed to procedural factors.
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