(b)(4).Date sent: 10/4/2023 d4: batch # x96g4w additional information was requested and the following was obtained: "please clarify how ¿the clips are not clamping or closing¿? the clips are not clamping and closing.Did device not fire clips (jammed)? no.Did device fire malformed clips? no.Did device fire scissored clips? no.Did clip not hold in tissue or vessel once placed? no." 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 mcm20 device was received with no damage to the external components.Upon cycling, the instrument was noted to be empty and locked out.The instrument is designed to lockout after all the clips have been fired; therefore a potential cause for the customer reported experience is the firing of all of the clips, as a result, the instrument could no longer be fire due to the activation of the lockout mechanism.As the device was returned empty for evaluation we are unable to investigate further the issue of ¿multiple feed" and ¿malformed clips".The device was disassembled to verify the condition of the internal components and no anomalies were noted. the event described could not be confirmed as the device was returned empty.Although no product defect was identified, there may have been other circumstances or issues that occurred during the use of the device that could not be replicated during the laboratory analysis.As part of ethicon¿s quality process, all devices are manufactured, inspected, and released to approved specifications.A manufacturing record evaluation was performed for the finished device batch number, and no non-conformances were identified.
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