The monopolar curved scissors (mcs) tip cover accessory involved in this complaint has not been returned to intuitive surgical, inc.(isi) for evaluation.If the product is returned, or if additional information is received, a follow-up mdr will be submitted.The mcs instrument that was used during the procedure has been returned and failure analysis was completed.The instrument was found to have a deep scratch mark, approximately 0.05¿ to the surface of the brown section of the tube extension, with material removed and missing.Any potential fragments from the brown section of the tube extension would be retained by the mcs tip cover accessory.This failure is most commonly caused by mishandling/misuse, such as excessive contact with abrasive, or hard surfaces during transport or reprocessing, or during mcs tip cover accessory installation/removal.The tip cover accessory, when used as intended, provides insulation over a section of the endowrist mcs instrument so that radio frequency (rf) energy is only available at the instrument scissor tips.A review of the site's complaint history was performed and no additional records were found for the mcs tip cover accessory.This complaint is being reported because the orange area of the mcs instrument was visible through the gray area of the mcs tip cover accessory.It is unknown if the mcs tip cover accessory had physical damage on the gray area.While there was no harm or injury to the patient, the reported failure mode could likely cause or contribute to an adverse event if it were to recur.Follow-up was attempted, but the patient information was either unknown, unavailable, not provided, or not applicable.The product is not implantable.It is unknown if the initial reporter submitted a report to the fda.
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