The patient was undergoing a medical procedure to treat an aneurysm in the internal carotid artery (ica) using a benchmark 6f 071 delivery catheter (benchmark), a non-penumbra sheath, and a guidewire.During the procedure, while advancing the benchmark through the sheath, the physician experienced resistance and the benchmark would not advance further.The physician then observed under fluoroscopy that the distal length of the benchmark had unraveled.Therefore, the benchmark was removed.The procedure was completed using another catheter and the same sheath.There was no report of an adverse effect to the patient.
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