(b)(4).Device evaluated by mfr: returned product consisted of a quantum maverick balloon catheter in two pieces.The balloon was loosely folded.The outer shaft, inner shaft, balloon and tip were microscopically examined.The hypotube was completely separated 68.6cm from the hub.The fracture faces were oval as if kinked prior to separation.There are numerous hypotube kinks.The tip is damaged.There was no evidence of any material or manufacturing deficiencies contributing to the damage. 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 06-apr-2018.It was reported that shaft kink occurred.The target lesion was located in a tortuous and stenosed coronary artery.A 3.0mm x 12mm quantum¿ maverick¿ balloon catheter was advanced to dilate the lesion.However, it was noted that the device delivery shaft was kinked.The procedure was completed with another of the same device.No patient complications were reported and the patient's status was stable.However, returned device analysis revealed a hypotube break.
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