When installing a cook duodenal prosthesis, it did not open.The doctor and nurse therefore removed the device from the endoscope and saw, only at that moment ,that the device was damaged, potential preventing release of the stent.Indeed, we see the cable.A new stent was placed without issue (lot c2124298 same reference).This incident caused a loss of time for the service but did not result in any impact on patient care."as per cc form": email from ansm:5-march-24 15h09.Nfei-2024-0565 when installing a cook duodenal prosthesis, it did not open.The doctor and nurse therefore removed the device from the endoscope and saw, only at that moment ,that the device was damaged, potential preventing release of the stent.Indeed, we see the cable.A new stent was placed without issue (lot c2124298 same reference).This incident caused a loss of time for the service but did not result in any impact on patient care.Patient outcome: a section of the device did not remain inside the patient¿s body.The patient did require any additional procedures due to this occurrence.Another duodenal stent from cook same lot number according to the initial reporter, the patient did not experience any adverse effects due to this occurrence patient/event info - notes: 1.At what stage of the procedure did the complaint occur? when unpacking or preparing the evolution, while inserting the evolution in the patient, during stent placement, while removing the introducer, or during stent repositioning/removal.When the physician wanted to deploy the stent 2.What endoscope type and channel size was used? olympus gastroscope 3.What was the position of the elevator? n/a, open, closed na 4.Details of the wire guide used (diameter, type, make)? boston 5.Was the zip port facing upwards and slightly curved when backloading the wire guide? n/a, yes, no na duodenal 6.Did any part of the stent contact the patient¿s anatomy when the complaint occurred? n/a, yes, no yes 7.Please advise the anatomical location of the intended target site.Stomach duodenum 8.How long was the stent in the patient by the time this complaint occurred? na.They didn't placed the stent.It was blocked in the sheath 9.For devices where the ifu states for longer term patency has not been established, was periodic evaluation completed? n/a, yes, no na 10.If yes, how often was this completed? 11.Did the patient require any additional procedures as a result of this event? n/a, yes, no yes.Another duodenal stent was open and placed in the patient.12.What intervention (if any) was required? duodenal placement stent 13.Was the secondary intervention performed during the same procedure as the device failure or was it scheduled for another day? n/a, same procedure, another day same procedure 14.Were any other defects (other than the complaint issue) observed on the device prior to return (e.G.Kink)? n/a, yes, no no 15.If yes, please specify what was observed and where on the device it was observed.Stricture information: 1.What was the length and diameter of the stricture? less than 9cm 2.Where was the stricture located in the body? duodenum 3.Was there resistance felt passing wire guide through stricture? n/a, yes, no no 4.Was there resistance felt passing the evolution through stricture? n/a, yes, no no 5.Was the stricture dilated before stent placement? n/a yes, no no questions related to during insertion into patient 1.Was the product inspected for kinks or damage before use? n/a, yes, no yes 2.Was resistance felt during insertion into patient? n/a, yes, no no 3.If yes, at what point? questions related to during stent placement 1.Did the product fail during stent deployment or recapture? n/a, deployment, recapture, other deployment 2.If other, please specify 3.Was the directional button pressed during use? n/a, yes, no yes in deploy position 4.Was any part of the stent observed in contact with the patient¿s anatomy at the time of failure? n/a, yes, no yes 5.Was the yellow marker kept in view during deployment? n/a, yes, no na 6.Are images of the device or procedure available? n/a, yes, no] no but they kept the product for analysis questions related to during introducer withdrawal 1.Are images of the device or procedure available? n/a, yes, no no 2.Was final stent placement confirmed using endoscopy / fluoroscopy? n/a, yes, no na 3.If yes, what was used? 4.Did the stent open sufficiently to allow withdrawal of introducer safely? n/a, yes, no na.They couldn't deploy the stent.They took another stent 5.Was the safety wire fully removed before removing the delivery system? n/a, yes, no na 6.Did any part of the product snag/get caught with the stent when removing the delivery system? n/a, yes, no no questions related to during stent repositioning/removal (for evo-fc & evo-pc devices) it was a duodenal 1.What instrument was used for stent repositioning / removal? forceps, snare, other 2.If other, please specify.3.Was resistance encountered during advancement and/or deployment? n/a, yes, no 4.If yes, please when this was felt? advancement or deployment 5.How did the physician deal with this resistance? 6.Was the lasso (suture) loop used during repositioning.
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