The physician intended to use a hawkone to treat a severely calcified 150mm lesion, with 90% stenosis in the right distal superficial femoral artery (sfa).The artery diameter was reported as 6 mm.A 6 fr sheath, a 0.014¿ guidewire and a 6mm spiderfx were used.Ifu was followed.After making one pass, the device thumb switch would not push forward to close the cutter window.The defective device was successfully removed without difficulty.Another hawkone was used and the patient was treated successfully.No patient injury was reported.
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