COOK IRELAND LTD EVOLUTION® DUODENAL CONTROLLED-RELEASE STENT - UNCOVERED; MUM STENT, METALIC EXPANDABLE, DUODENAL
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Model Number G48026 |
Device Problems
Improper or Incorrect Procedure or Method (2017); Migration (4003)
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Patient Problems
Dysphasia (2195); Obstruction/Occlusion (2422)
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Event Date 08/05/2021 |
Event Type
Injury
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Event Description
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After the completion of procedure, patient send to ward,next day patient still complaining about the dysphasia, after taking the x-ray seen stent got migrated to jejunum.Duodenal stricture @ d1& d2.Scope couldn¿t able to pass.Used jag wire by using cannula ,gone beyond stricture ,injected contrast and confirmed about stricture under fluro guidance.Placing the guidewire in to jejunam and used therapeutic endoscope to deploy the stent.4.9 cm evolution duodenal stent deployed successfully.Next day , x ray done on complaining of patient about dysphasia ,x-ray shows migration of stent in to jejunam.Immediately on that afternoon ,again taken the patient to radiology department and tried to place the guidewire and deployed 12 cm evolution duodenal stent.As the patient is critical relatives not willing to go for surgery,migrated stent left in the jejunam.With due concern over the above subject, patient went home after placing the second 12 cm evolution duodenal stent ,as patient condition was bad at that time they were not willing to go for surgery to take out the migrated stent.
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Manufacturer Narrative
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Pma/510(k) # - k163468.Investigation is still pending, a follow up mdr will be submitted to include the investigation conclusions.
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Event Description
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Image review received 15-sep-2021: distal migration confirmed.
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Manufacturer Narrative
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Pma/510(k) # - k163468.Investigation is still pending, a follow up mdr will be submitted to include the investigation conclusions.
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Event Description
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Supplemental report is being submitted due additional information being received, rpn is being amended to evo-22-27-12-d.After the completion of procedure, patient send to ward,next day patient still complaining about the dysphasia, after taking the x-ray seen stent got migrated to jejunum.1.Duodenal stricture @ d1& d2.2.Scope couldn¿t able to pass.3.Used jag wire by using cannula ,gone beyond stricture ,injected contrast and confirmed about stricture under fluro guidance.3.Placing the guidewire in to jejunam and used therapeutic endoscope to deploy the stent.4.9 cm evolution duodenal stent deployed successfully.5.Next day , x ray done on complaining of patient about dysphasia ,x-ray shows migration of stent in to jejunam.6.Immediately on that afternoon ,again taken the patient to radiology department and tried to place the guidewire and deployed 12 cm evolution duodenal stent.7.As the patient is critical relatives not willing to go for surgery,migrated stent left in the jejunam."initially evo-22-27-12-d (evolution duodenal stent 12 cm) deployed,stent got migrated into the jejunam, next day physician deployed evo-22-27-9-d(9cm evolution stent deployed)".Image review received 15-sep-2021: distal migration confirmed.Image review received on 12-apr-2022: '.The stent migrated from a severe stenosis.The complaint stent¿s end was likely at least partially unraveled.The unraveling suggests attempted repositioning and would have made the stent more prone to distal migration' with due concern over the above subject, patient went home after placing the second 12 cm evolution duodenal stent ,as patient condition was bad at that time they were not willing to go for surgery to take out the migrated stent.
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Manufacturer Narrative
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Pma/510(k) # - k163468.Investigation is still pending, a follow up mdr will be submitted to include the investigation conclusions.
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Event Description
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Supplemental report is being submitted due to completion of the investigation on the 27-feb-2023.
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Manufacturer Narrative
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Pma/510(k) # - k163468.Device evaluation: the evo-22-27-9-d device of lot number unknown involved in this complaint was implanted in the patient and was not available for evaluation.With the information provided, a document-based investigation was conducted.Document review: as the lot number of the complaint stents are unknown, a review of the relevant manufacturing records cannot be conducted.However , prior to distribution evo-22-27-9-d devices are subjected to a visual inspection and functional checks to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at cirl.It should be noted that the instructions for use (ifu0053) states the following: ¿the stent is not intended to be removed or repositioned after stent placement and is intended to remain in the body permanently.¿ there is sufficient evidence to suggest the user did not follow the ifu.Image review: images were provided to support the complaint investigation.They were reviewed through cook research inc.(cri) and the following impression was provided by the independent reviewer.1.Evo-22-27-9-d distal migration is confirmed.The stent migrated from a severe stenosis.The severe stenosis was confirmed by a replacement stent.2.The complaint stent¿s end was likely at least partially unraveled.The unraveling suggests attempted repositioning and would have made the stent more prone to distal migration.3.The imaged stent¿s dimensions do not correlate with the reported replacement stent¿s dimensions.Following the image review additional questions were sent to the customer to confirm the location of the first stent identified in figure 2 of the imaging review and the size of the replacement stent.It was confirmed that the replacement stent was a evo-22-27-9-d and the first stent was correctly located in figure 2 of the imaging review.Root cause review: a definitive root cause could not be determined from the available information.A possible root cause determined from the image review could be attributed to a user error of attempting to reposition the stent.These stents are not intended to be repositioned and the repositioning seems to have damaged the proximal end wires, causing them to unravel, which would have made the stent more prone to distal migration.Summary: complaint is confirmed as the failure was verified in the images.According to the initial reporter on the following day, ¿x ray done on complaining of patient about dysphasia, x-ray shows migration of stent.Immediately on that afternoon, a replacement stent was deployed.As the patient is critical relatives not willing to go for surgery, migrated stent left in the jejunum¿.Complaints of this nature will continue to be monitored for potential emerging trends.
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Manufacturer Narrative
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Pma/510(k) #k163468.Device evaluation: the evo-22-27-9-d device of lot number unknown involved in this complaint was implanted in the patient and was not available for evaluation.With the information provided, a document-based investigation was conducted.Document review: as the lot number of the complaint stents are unknown, a review of the relevant manufacturing records cannot be conducted.However , prior to distribution evo-22-27-9-d devices are subjected to a visual inspection and functional checks to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at cirl.It should be noted that the instructions for use (ifu0053) states the following: ¿the stent is not intended to be removed or repositioned after stent placement and is intended to remain in the body permanently.¿ there is sufficient evidence to suggest the user did not follow the ifu.Image review: images were provided to support the complaint investigation.They were reviewed through cook research inc.(cri) and the following impression was provided by the independent reviewer: evo-22-27-9-d distal migration is confirmed.The stent migrated from a severe stenosis.The severe stenosis was confirmed by a replacement stent.The complaint stent¿s end was likely at least partially unraveled.The unraveling suggests attempted repositioning and would have made the stent more prone to distal migration.The imaged stent¿s dimensions do not correlate with the reported replacement stent¿s dimensions.Following the image review additional questions were sent to the customer to confirm the location of the first stent identified in figure 2 of the imaging review and the size of the replacement stent.It was confirmed that the replacement stent was a evo-22-27-9-d and the first stent was correctly located in figure 2 of the imaging review.Root cause review: a definitive root cause could not be determined from the available information.A possible root cause determined from the image review could be attributed to a user error of attempting to reposition the stent.These stents are not intended to be repositioned and the repositioning seems to have damaged the proximal end wires, causing them to unravel, which would have made the stent more prone to distal migration.Summary: complaint is confirmed as the failure was verified in the images.According to the initial reporter on the following day, ¿x ray done on complaining of patient about dysphasia, x-ray shows migration of stent.Immediately on that afternoon, a replacement stent was deployed.As the patient is critical relatives not willing to go for surgery, migrated stent left in the jejunum¿.Complaints of this nature will continue to be monitored for potential emerging trends.
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Event Description
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Supplemental correction report is being submitted due to corrections made on 23-feb-2024 updates include annex e code from e0113 ¿ dysphasia to e2328 ¿ obstruction/occlusion.
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