(b)(4).The complainant indicated that the device was disposed and will not be returned for evaluation; therefore, a failure analysis of the complaint device could not be completed.If any further relevant information is identified, a supplemental medwatch will be filed.
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It was reported to boston scientific corporation that a lithovue flexscope was used in a retrograde intrarenal surgery procedure performed on (b)(6) 2020.According to the complainant, during the procedure, it was reported the image was grainy due to a significant amount of bleeding.Another lithovue flexscope was opened however it was the same.Residual stones were left in the kidney.After two hours, the procedure was cancelled due to this event.There was no serious injury/adverse effect to patient as a result of the event.
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