Upon receiving the returned device, it was confirm that there was significant scarring on the internal mechanisms of the retractor handle that is consistent with metal on metal grinding.Upon actuating the returned device, we were not able to duplicate any grinding or seizing when pressure was applied to the retractor arms and blades.The most common cause of this device grinding metal on metal is the result of the customer not using lubrication per the ifu recommendation.The device is functioning smoothly with no issues found with the functionality and will be returned to the customer.There has been a total of (b)(4) sold of this product code with one additional complaint recorded for a similar occurrence.The previous occurrence was recorded in 2014 and was determined to be the same root cause.Based on the above information, no further actions are required.This can be seen as the final report.If additional information is obtained that alleges any additional patient involvement or need for corrective actions a follow up report will be submitted.
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One retractor was used during the procedure and seized up mid use.The back up retractor was then used and had the same issue.As a result of both failing, a new tray had to be provided to the operating room to obtain another retractor.As a result, there was a delay in the procedure.There was no additional patient harm as a result.
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