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1.Product dhr confirmation: batch number :gw2504008, quantity: (b)(4) pieces.It is confirmed that there are no abnormalities in the production process, and the softness of the head end and the finished product inspection meet the requirements.2.As the product has not been returned, the appearance inspection, the softness test at the head end and the physical analysis cannot be carried out.Therefore, it is temporarily impossible to confirm that there are design or manufacturing defects in the product.After the incident, used trufill (cerenovus) and kaneka i ed coils to stop bleeding due to perforation.The operation was successfully completed without changing the product.Patient safely woke up and didnt show visual / physical deficits post procedure.3.During the process of advancing the guide wire during surgery, the control of the operation force and angle is extremely strict.Even minor deviations during the operation may lead to vascular perforation, which is a known operation-related risk in neurovascular interventional surgery.4.Such vascular perforation events have been included in the user manual and usefmea documents of neurovascular microguidewire products.They are expected surgical complications of intracranial interventional surgery and are closely related to factors such as the patient's vascular anatomical characteristics and the difficulty of surgical operation.The reported device has not been determined to have caused or contributed to the adverse event.This incident is being reported out of an abundance of caution.
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