It was reported that during internal carotid artery (ica) tail aneurysm procedure, the operator used the microcatheter to deliver the subject stent.When the subject stent was delivered to the lesion, the operator discovered that the subject stent could no longer be seen under digital subtraction angiography (dsa).The operator withdrew the system and found that the subject stent prematurely deployed inside the microcatheter.The subject device was replaced, and the procedure was completed successfully.No clinical consequences were reported to the patient due to this event.
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