The product was not returned for evaluation.Without the return of the device, the root cause of the problem cannot be determined.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.
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The patient was undergoing a thrombectomy procedure using a velocity delivery microcatheter (velocity), a non-penumbra catheter and a guidewire.During the procedure, the physician tried advancing the velocity over the guidewire; however he felt resistance on the first pass.Therefore, he decided to pull the velocity back before it exited the catheter.Upon removal, the distal tip of the velocity appeared to be slightly stretched.The procedure was completed using a new velocity, the same catheter and the same guidewire.There was no report of an adverse effect to the patient.
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