Device evaluation: the 1x evolution® esophageal controlled-release stent -fully covered device of unknown lot number and rpn involved in this complaint was not available for evaluation.With the information provided, a document-based investigation was conducted.This file was created in response to a pmcf study ¿mdr2054¿ to capture ¿vomiting and stent migration¿ the device lab evaluation could not be completed as the device, or photographic evidence of the device, was not returned for evaluation.Manufacturing records review: prior to distribution all devices are subjected to a visual inspection and functional inspection to ensure device integrity.Manufacturing records review could not be completed as the lot number is unknown.Historical data review: historical data was not reviewed as the lot number is unknown.Instructions for use and/label review: as per the ifu (ifu0061), stent migration and vomiting are known potential adverse events associated with gi endoscopy "those associated with upper gi endoscopy include, but are not limited to: allergic reaction to contrast or medication, aspiration, cardiac arrhythmia or arrest, hemorrhage, hypotension, infection, perforation, reflux, respiratory depression or arrest, vomiting.Additional adverse events include, but are not limited to: airway compression, allergic reaction to nickel, retroesophageal fistula and retroesophageal fistula, chest or retrosternal pain, death (other than due to normal disease progression) dysphagia, edema, erosion or perforation of stent into adjacent vascular structures, esophageal ulceration and erosion, esophagitis, fistula involving trachea or bronchi or pleural space, food bolus impaction, foreign body sensation or reaction, gas bloat, inadequate stent expansion, intestinal obstruction secondary to migration, mediastinitis or peritonitis, nausea, pain/discomfort, reocclusion, sensitivity to metal components, sepsis, stent misplacement and/or migration, tracheal obstruction, tumour ingrowth or overgrowth, wire entrapment.¿ there is no evidence to suggest that the customer did not follow the instructions for use or product label.Image review : an image was not returned for evaluation.Root cause analysis: a definitive root cause could not be determined from the available information.A possible root cause could be attributed to known procedural adverse events.As per the ifu, stent migration and vomiting are known potential adverse events associated with gi endoscopy.The adverse event of vomiting was deemed a cascading effect of the stent migration.As per the patient casebook, the patient¿s obstructive malignancy was also a contributing factor to the vomiting.Confirmation of complaint: complaint is confirmed based on customer and/or rep testimony.Summary of investigation: as per the patient casebook, 3 days post-stent placement the patient presented with vomiting.When inspecting the patient endoscopically, the stent was noted as being distally migrated.The stent was removed endoscopically to treat the vomiting and migration experienced.Confirmed quantity of 01 used device.The investigation findings concluded a possible root cause of known procedural adverse events.Both vomiting and stent migration are known adverse events associated with gi endoscopy.Complaint is confirmed based on customer and/or rep testimony.According to the initial reporter, the patient did experience an adverse effect due to this occurrence.The patient experiences vomiting caused by the stent migration.The patient required the study device to be removed endoscopically as treatment.Complaints of this nature will continue to be monitored for potential emerging trends.
|