It was reported that the coil wire was torn off.The 90% stenosed target lesion was located in the severely tortuous vessel.A 3.5-5.5 190cm filterwire ez was selected for use.During the procedure, while inserting the tip of the wire, it was noted that it does not match the region cross and was removed and retrieved.After the device was reshaped, it was noted that of the 3cm tip wire, the coil wire is torn off when the 1cm part at hand is reshaped.The procedure was continued and completed by replacing with another of the same device.No patient complications were reported.
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