Qn# (b)(4).The customer returned one unit ae05ml autoend05 ml for investigation.The returned sample was visually examined with and without magnification.Visual examination of the returned device revealed that the sample was returned with its bottom jaw bent.The sample had a partially engaged trigger with an indicator clip loaded into the jaws.There were no clips remaining in the sample.The sample appeared used as there was biological material present on the device.Functional inspection could not be performed due to the condition of the returned sample.After manual removal of the indicator clip the sample was able to complete the trigger cycle.Although no clips were remaining, the trigger cycle was completed, and it was found that the ratchet was fully intact.The sample was disassembled to inspect all components.Upon disassembly, it was confirmed that the bottom jaw was bent, and the jaw spring was slightly bent.The bent bottom jaw and jaw spring would prevent clips from properly loading and firing since the jaws are misaligned.However, it cannot be determined what caused the jaw to bend.Based upon the observed damage, unintentional user error caused or contributed to this event.The ifu for this product, l06072, was reviewed as a part of this complaint investigation.The ifu for this product states, "mishandling of appliers may result in improper load and/or closure of the ligating clip." a corrective action is not required at this time as the condition of the sample received indicates that unintentional user error caused or contributed to this event.The reported complaint of "clips not loading properly" was confirmed based upon the sample received.The sample was returned with the bottom jaw bent and the jaw spring slightly bent.The bending indicates that there was a significant side load applied to the jaws that caused the bottom jaw to bend.At the time of manufacturing assembly, the autoend05 is 100% inspected for proper clip loading and closure.It is unlikely that this type of damage was present at the time of manufacturing.A device history record review was performed on the device with no evidence to suggest a manufacturing related defect.Therefore, based upon the observed damage, unintentional user error caused or contributed to this event.
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