It was reported that coil break occurred.The target lesion was located in the thoracic aorta with medium tortuosity.A 10mm x 40cm interlock-35 was selected for use.It was noted that the device had interlocked arms before the procedure, the rhv valve was used, the guidewire did not rotate 360 degrees during delivery, and continuous flushing was performed.The coil was advanced into a 5f non-boston scientific microcatheter; however, the coil could not be pushed out and obvious resistance was felt in the middle of the catheter.The device and the microcatheter were removed together as they were stuck.However, during withdrawal, a coil fiber was noted in the sheath.The procedure was completed with another of same device.There were no complications reported and the patient status was stable.
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