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If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.The complaint devices were received and evaluated.Visual inspection revealed that the scope's optical tube and lens system were damaged, resulting in poor image quality when viewing through the eyepiece.Following an internal cleaning, the objective lens, objective window, 2 rod lenses, tube and fiber optics were all replaced.The reported complaint could be confirmed.The viewing quality through each scope was inspected by attaching it to a tck1 camera/ovb1 system.A visual estimation of % blocked fibers was then conducted.Each scope angle was tested using an angle of view test fixture and each field of view was tested using a target with known diameters and reference chart.The image resolution was verified using a us air force resolution target.Finally, leak testing performed using distilled water at 125f followed by condensation testing.The damage to this scope occured during use and can be attributed to improper use of the scope by the end user.The damage observed is not inherent to the design of the scope and did not result in adverse patient safety.Further, a review into the mitek complaints system revealed 1 similar complaint from this serial number.At this point in time, no corrective action is required and no further action is warranted.However, depuy synthes mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.(b)(4).This report is being filed from the (b)(4) as required under mitek's corrective and preventative actions (capa) to file usa fda mdr missed malfunctions.
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