The patient was undergoing a thrombectomy procedure in the middle cerebral artery (mca) using a penumbra system ace 68 reperfusion catheter (ace68), a penumbra system 3max reperfusion catheter (3maxc), and a non-penumbra guide catheter.During the procedure, while attempting to make the first pass, the physician was unable to advance the ace68 over the 3maxc.Therefore, the physician removed the 3maxc and ace68 together, and noticed the distal end of the ace68 was fractured and was held together by a wire.Therefore, the ace68 was not used for the remainder of the procedure.It was also reported that the physician decided to use a new 3maxc, there was no noticeable damage to the 3maxc.The procedure was completed using a new ace68 and a new 3maxc.There was no report of an adverse effect to the patient.
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Evaluation of the returned ace68 confirmed a fracture on its distal shaft.If the ace68 is manipulated against resistance during use, damage such as a fracture may occur.Based on the reported event, the root cause of the resistance could not be determined.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.Penumbra catheters are inspected during in-process inspection and during quality inspection after manufacturing.H3 other text: placeholder.
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