Exemption number e2019001.The device was not returned for analysis.A cine was returned and reviewed by an abbott vascular clinical specialist.The reviewer concluded: the ostial elongation of the stent was not able to be confirmed nor disproved from the images provided.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation was unable to determine a conclusive cause for the reported stent stretching; however, factors that may contribute to stretching of the stent include, but are not limited to, material damage, interactions with other devices, interaction with lesion calcification, lesion tortuosity and user handling.There is no indication of a product quality issue with respect to manufacture, design or labeling.The xience xpedition 48 is currently not commercially available in the u.S.; however, it is similar to a device sold in the u.S.
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