COVIDIEN, FORMERLY US SURGICAL A DIVISON IDRIVE ULTRA POWERED HANDLE 1; STAPLE, IMPLANTABLE
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Model Number IDRVULTRA1 |
Device Problem
Unintended Arm Motion (1033)
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Patient Problem
No Known Impact Or Consequence To Patient (2692)
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Event Date 10/27/2015 |
Event Type
malfunction
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Manufacturer Narrative
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(b)(4).
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Event Description
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According to the reporter, during a lap assisted distal gastrectomy, the device was set up and the reload was attached.The reload symbol was flashing.The open/close check of the jaws was done, however the reload symbol kept flashing.The reload was disconnected and reattached, but the reload symbol was still flashing.The device was reassembled completely, then the reload symbol illuminated green.The surgeon inserted the device through the trocar and attempted to approach to the tissue.However, reload started to move by itself in the cavity.The surgeon tried to remove the device through the trocar; however, the articulated jaws could not be straightened.The device was removed along with the trocar.New devices were used to correct the problem.When our sales rep received the device in question along with the trocar, the blue light was illuminated and the reload symbol was flashing.
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Manufacturer Narrative
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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 investigation was able to replicate the reported conditions of uncontrolled articulation, received light sequence to replace reload, and solid blue lights.The condition of difficult to straighten was not able to be replicated.The conditions of received light sequence to replace reload and solid blue lights were found to be symptoms of the uncontrolled articulation condition.Investigation the revealed the mma board itself was bowed downward in the location of the switch.The deformation of the mma switch causes the switch to sit lower relative to the leaf spring, requiring additional travel of the leaf spring to activate.The loss of activation height following manufacturing caused the device to lose reload recognition in select orientations, causing the device to recalibrate and result in an "uncontrolled articulation" condition.Should new information become available, the file will be re-opened and the investigation summary amended as appropriate.
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