On may 31st, 2019, olympus medical systems corp.(omsc) received a literature titled ¿endoscopic radiofrequency ablation combined with metal stent placement for malignant biliary obstruction in patients with surgically altered anatomy¿ that was made in public in the 97th congress of the japan gastroenterological endoscopy society.The literature reported the result of sixteen cases of the metal stent placement with radiofrequency ablation for unresected malignant biliary stricture among cases in which endoscopic retrograde cholangiography using an olympus small intestinal videoscope (sif-h290s) between 2017 and 2018.A non-olympus catheter (emcision) and a non-olympus electrosurgical unit (erbe) were used for radiofrequency ablation.In the subject procedures, one case of mild pancreatitis and one case of hepatic abscess reportedly occurred.The presentor commented that no serious accidental symptoms such as bleeding occurred.Based on the available information, a direct relationship between the olympus small intestinal videoscope (sif-h290s) and the observed adverse events could not be determined.Therefore, according to the number of the accidental symptoms known and the number of olympus device used for procedure, omsc is submitting two medical device reports.This is a report on mild pancreatitis and one of two reports.
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