Evaluation summary: medtronic conducted an investigation based upon all information received.The device was available for evaluation.Visual inspection noted that the jaw leg was out of position.The cam on the jaw leg was not aligned with the driver.It was reported that the clips did not close completely and were malformed.The reported issue was confirmed.The product analysis noted evidence that the device was not used as intended.The issue can occur if one of the jaws legs gets forcefully pulled outward away from the center line of the shaft.The noted jaw cam disengagement impedes functionality of the jaws, possibly resulting in clip malformation or difficulty removing the instrument from a trocar.The manufacturing records for each device are thoroughly reviewed prior to release to ensure that it meets all medtronic quality specifications.The instructions included with this device provide the following guidance: avoid excessive twisting of the jaws or tissue manipulation when firing the instrument.Deflecting the jaws or shaft during firing may result in an improperly formed clip and possible bleeding or leakage.If information is provided in the future, a supplemental report will be issued.
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According to the reporter, during laparoscopic sleeve gastrectomy, the surgeon was ligating vessels, the handle was squeezed, and fired the first clip successfully.When the surgeon squeezed to fire the second clip, it became hard to complete the squeeze, and the clip did not form correctly.There was a grinding type sound as well.The surgeon used a new clip applier to complete the case.There was no patient injury.
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