MP52-19 THE EXPERIENCE OF USING A DUAL CHANNELIZED FLEXIBLE CYSTOSCOPE WITH AN IMPACT SHOOTER FOR RESECTION OF BLADDER TUMORS IN HUMAN CADAVERS EMBALMED BY THIEL'S MODEL

Abstract

You have accessJournal of UrologySurgical Technology & Simulation: Instrumentation & Technology I1 Apr 2017MP52-19 THE EXPERIENCE OF USING A DUAL CHANNELIZED FLEXIBLE CYSTOSCOPE WITH AN IMPACT SHOOTER FOR RESECTION OF BLADDER TUMORS IN HUMAN CADAVERS EMBALMED BY THIEL'S MODEL Shuichi Morizane, Toshihiro Maeda, Ryoma Nishikawa, Masashi Honda, Yuichiro Ikebuchi, Kazuya Matsumoto, Masaru Ueki, Naoya Masumori, Mineko Fujimiya, and Atsushi Takenaka Shuichi MorizaneShuichi Morizane More articles by this author , Toshihiro MaedaToshihiro Maeda More articles by this author , Ryoma NishikawaRyoma Nishikawa More articles by this author , Masashi HondaMasashi Honda More articles by this author , Yuichiro IkebuchiYuichiro Ikebuchi More articles by this author , Kazuya MatsumotoKazuya Matsumoto More articles by this author , Masaru UekiMasaru Ueki More articles by this author , Naoya MasumoriNaoya Masumori More articles by this author , Mineko FujimiyaMineko Fujimiya More articles by this author , and Atsushi TakenakaAtsushi Takenaka More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2017.02.1649AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Transurethral en bloc resection of bladder tumor with a dual channelized flexible cystoscope using an Impact Shooter in human cadavers embalmed by Thiel′s model. METHODS This study was approved by the institutional review board of Sapporo Medical University. Four human male cadavers (73 to 86 years old) embalmed by Thiel′s method were used as a model for performing ESD. A flexible cystoscope (CYF-200; OLYMPUS) was used to perform ESD (Fig. 1a). We used a transparent attachment with a tube of diameter 2.8-mm (Impact Shooter N type 6.0-mm diameter; Top Co.). It is designed for devices such as ESD knives and enables the endoscope to work like a dual channel scope (Fig. 1b). We used an electrosurgical knife (Dual Knife, 2.7-mm diameter; OLYMPUS), commonly used for gastrointestinal tract′s ESD (Fig. 1c). A circular area of 1.0-2.0-cm diameter was defined in the bladder and identified as the target area for resection (Fig.2a-c). RESULTS The ESD technique was applied into 5 places of bladder per cadaver. Although the target areas were successfully resected from the four cadavers (Fig.2d), one small bladder perforation occurred. In total 20 procedures, the median size of the resected pieces ex vivo was 1.4 cm (range 0.8-2.0 cm), and the median time taken to resect each target piece was 9.0 min (range 4.0–17.0 min). Endoscopic procedures of bladder using a flexible cystoscope with an Impact shooter was technically feasible in the human male cadavers. However, the handling of the tool was slightly difficult because of the poor flexibility of the additional attachment and the influence of the relative hardness of the urethra of cadavers as compared to healthy persons. CONCLUSIONS Transurethral ESD technique using a flexible cystoscope was considered technically feasible for the small bladder tumors. We hope that in the near future a new flexible cystoscope with dual and large caliber channels will be developed in order to facilitate ESD technique. © 2017FiguresReferencesRelatedDetails Volume 197Issue 4SApril 2017Page: e711-e712 Advertisement Copyright & Permissions© 2017MetricsAuthor Information Shuichi Morizane More articles by this author Toshihiro Maeda More articles by this author Ryoma Nishikawa More articles by this author Masashi Honda More articles by this author Yuichiro Ikebuchi More articles by this author Kazuya Matsumoto More articles by this author Masaru Ueki More articles by this author Naoya Masumori More articles by this author Mineko Fujimiya More articles by this author Atsushi Takenaka More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...