According to the reporter, during a low anterior resection, an idrive and an egia60amt were prepared.The jaws were articulated and grasped the tissue.However, the device did not enter firing mode when the green button was pressed.Subsequently, the jaws returned to the straight position on their own.A new adapter was used and worked properly.It is unknown if buttress material was used.The last known patient status is good.
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(b)(4).Post market vigilance (pmv) led an evaluation of one adapter standard.This evaluation was based on a technical review of all data received from the site, a pmv review of manufacturing records, a pmv review of complaint trends, and an evaluation of the returned device by both pmv and engineering.The reported condition for this incident was uncontrolled articulation and unable to enter firing mode during a low anterior resection procedure.The investigation was unable to replicate the reported conditions.However, further investigation found cracked solder joints between the reload detect switch and the (b)(4) board.This can lead to intermittent occurrences of the uncontrolled articulation condition.A malfunctioning switch is the result of several variables including: improper solder operation at the vendor location, improper assembly of the sealed switch to the (b)(4) board at the vendor location, and/or improper soldering during assembly.The reported condition of unable to enter firing mode could not be investigated because the idrive handle was not returned.Should new information become available, the file will be re-opened and the investigation summary amended as appropriate.
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