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There is no established method or dedicated device to optimize EUS\u2010BD. Therefore, we have developed a novel stent deployment technique using the tapered sheath dilator. To address the safety and technical aspects of the EUS\u2010BD technique, we retrospectively analyzed 11 consecutive patients who underwent EUS\u2010BD using the tapered sheath dilator. The procedure involved the insertion of a guidewire, followed by mechanical dilation using the tapered sheath dilator. Subsequently, the inner catheter was removed and drainage stents (up to 6 Fr in diameter) were deployed through the outer sheath. We found a 100% technical success rate for tract dilation and stent deployment; moreover, all patients achieved clinical success. The median time for dilation was 40 s (range, 8\u2013198), whereas the median time from dilation to stent deployment was 10 min (range, 6\u201319). Notably, no cases of bile leakage or peritonitis were observed. In conclusion, the use of the integrated device for tract dilation and stent delivery system might provide a safe and straightforward technique for drainage stenting during EUS\u2010BD.<\/jats:p>","DOI":"10.1002\/deo2.303","type":"journal-article","created":{"date-parts":[[2023,10,22]],"date-time":"2023-10-22T10:39:50Z","timestamp":1697971190000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["The novel technique of drainage stenting using a tapered sheath dilator in endoscopic ultrasound\u2010guided biliary drainage"],"prefix":"10.1002","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7733-7854","authenticated-orcid":false,"given":"Akihisa","family":"Kato","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Metabolism Nagoya City University Graduate School of Medical Sciences  Aichi 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