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The patient was undergoing a coil embolization procedure in the splenic artery using ruby coils and a lantern delivery microcatheter (lantern).It was reported that the patient's anatomy was very torturous.During the procedure, while advancing the lantern and a non-penumbra catheter though a sheath in the target vessel, the lantern would not track, and the physician experienced resistance; therefore, the lantern was removed.Subsequently, another microcatheter was advanced through the same catheter and sheath.Next, while advancing a ruby coil through the microcatheter, the physician experienced resistance.The physician then decided to withdraw the ruby coil, and upon withdrawal, it unintentionally detached inside the microcatheter; therefore, the microcatheter containing the detached ruby coil was removed, and the ruby coil flushed out.The procedure was completed using other ruby coils and the same microcatheter, catheter, and sheath.There was no report of an adverse effect to the patient.
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