(b)(4).Date sent: 3/26/2024.D4: batch # a9cr75.Investigation summary: the product was returned to ethicon for evaluation.Visual inspection and functional testing were conducted on the returned device.Visual analysis of the returned sample determined that the er420 device was returned for analysis and upon inspection, the jaws were found to be in a yielded condition. in an attempt to replicate the reported incident the device was functionally evaluated.Upon firing of the device, the remaining one(1) clips were ejected due to the condition of the jaws; finally the instrument locked out as intended. the event reported was confirmed and it is related to improper use of the device.Possible causes for the found condition of the yielded jaws maybe if the device is closed over an existing hard object or clip placing stress on the jaws causing them to distort or yield and not return to their original dimensions/position or excessive application of torque to the jaws when positioning the device on a vessel. please reference the instruction for use for more information.A manufacturing record evaluation was performed for the finished device batch and lot number, and no non-conformances were identified.
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