B5 describe event or problem - updated h3 device evaluated by mfr: returned device consisted of an isleeve sheath with the dilator in the sheath.Photographic images and fluoroscopic videos were provided to aid in the investigation.The returned device, photographic images and fluoroscopic videos were reviewed by a boston scientific quality engineer.Analysis of the photographs, video, isleeve tip, isleeve sheath and isleeve hub/valve included microscopic and visual inspection.Inspection revealed kinks in the isleeve sheath located 12.5cm, 14cm, and 1635cm from the tip of the device, 2 of the 3 seams were opened (one of the seams fully opened), and the tip was missing a small portion of material next to the opened seam area.In the fluoroscopic videos, the object seen is consistent with the missing material observed on the returned device.Inspection of the rest of the device found no other damage or defects.The reported unretrieved tip detachment in the anatomy was confirmed.
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