(b)(4).Device evaluated by mfr: returned product consisted of an emerge balloon catheter.The balloon was loosely folded with blood in the inflation lumen and balloon.The outer shaft, inner shaft, balloon and tip were microscopically examined.Microscopic examination revealed that the balloon has a pinhole at the markerband.The tip is damaged.There are numerous hypotube kinks.Inspection of the remainder of the device presented no other damage or irregularities.The investigation conclusion is operational context as the product meets the design & manufacture specification but due to anatomical/procedural factors encountered during the procedure, performance was limited.(b)(4).
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Reportable based on device analysis completed on 08-dec-2017.It was reported that crossing difficulties were encountered and shaft kink occurred.The severe target lesion was located in the coronary artery.A 1.50mm x 15mm emerge¿ balloon catheter was advanced but failed to cross the lesion.When the device was removed, the shaft was noted to be slightly kinked.The procedure was completed with a different device.No patient complications nor injury were reported.However, returned device analysis revealed a balloon pinhole.
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