Qn#(b)(4).The customer returned one unit ae05ml autoend05 ml for investigation.The sample is for the following tcs: (b)(6) & 1(b)(6).The returned sample was visually examined with and without magnification.Visual examination of the returned device revealed that the sample was returned with its rotation tab bent.The sample appears used as there is biological material present on the device.Functional inspection was performed on the returned sample by attempting to engage the trigger using hand pressure.Upon engagement of the trigger, an audible ratchet sound could be heard indicating that the internal ratchet ears are intact.The first clip was able to load properly into the jaws and was successfully applied to over-stressed surgical tubing.On the next attempt, no clip fired.Another attempt was made , and the next clip was able to load properly into the jaws and was successfully applied to over-stressed surgical tubing.The sample was disassembled to inspect the internal components.No further damages were observed.The sample was received with 3 clips remaining in the channel, indicating that 12 clips were fired by the end user.The bent rotation tab and dry fire are both indications that the clips were out of position and stacking on one another in the channel.The clip stacking could prevent the clips from properly loading into the jaws.It could not be determined exactly how or when the clips became out of position.A capa has been opened to further investigate this issue.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." the reported complaint of "clip broken" was not confirmed based upon the sample received.One sample was returned with the rotation tab bent.Upon functional inspection, two clips were able to load properly into the jaws and were successfully applied to over-stressed surgical tubing.However, a dry fire occurred on the second attempt.The bent rotation tab and dry fire are both indications that the clips were out of position and stacking on one another in the channel.The clip stacking could prevent the clips from properly loading into the jaws.The clip stacking can also cause the clips to break in the channel.It could not be determined exactly how or when the clips became out of position.A capa has been opened to further investigate this issue.
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