The complainant was unable to provide the suspect device lot number; therefore, the lot expiration and device manufacture dates are unknown.(b)(4).The device has not been received for analysis.Upon receipt and completion of the failure analysis of the complaint device, if there is any further relevant information from that review, a supplemental medwatch will be filed.
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It was reported to boston scientific corporation on (b)(6) 2021 that a wallflex esophageal stent was implanted during a stent placement procedure performed on an unknown date.On (b)(6) 2021, post stent placement, stent occlusion was noted.No further information has been obtained despite good faith efforts.There were no reported patient complications as a result of this event.
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