Reportable based on device analysis completed on 06-dec-2018.It was reported that advancing difficulties through another device were encountered.A 20x2.25mm promus premier drug-eluting stent was selected for use to treat the lesion.However, it was noted that the stent would not go through the guider.The device was removed and the procedure was completed with another of the same device.No patient complications were reported.However, returned device analysis revealed stent damaged.Promus premier ous mr 20 x 2.25 mm stent delivery system was returned for analysis.A visual examination of the stent found damage to the distal end of the stent with stent struts misaligned.The undamaged crimped stent outer diameter was measured and the result was within maximum crimped stent profile measurement.A visual and microscopic examination of the bumper tip showed signs of damage.The balloon cones were reviewed and no issues were noted.The balloon wings were tightly wrapped and evenly folded and were not subjected to positive pressure.A visual and tactile examination of the hypotube found multiple hypotube kinks.A visual and tactile examination of the shaft polymer extrusion found no issues along the mid shaft, inner or outer shaft polymer extrusion.No other issues were identified during the product analysis.
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