A Novel Retractable Robotic Device for Colorectal Endoscopic Submucosal Dissection

Background/Aims: Appropriate tissue tension and clear visibility of the dissection area using traction are essential for effective and safe endoscopic submucosal dissection (ESD). In this study, we developed a retractable robot-assisted traction device and evaluated its performance in colorectal ESD...

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Published in:Gut and liver 2024-07, Vol.18 (4), p.677
Main Authors: Sang Hyun Kim, Chanwoo Kim, Bora Keum, Junghyun Im, Seonghyeon Won, Byung Gon Kim, Kyungnam Kim, Taebin Kwon, Daehie Hong, Han Jo Jeon, Hyuk Soon Choi, Eun Sun Kim, Yoon Tae Jeen, Hoon Jai Chun, Joo Ha Hwang
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Language:Korean
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Colon
Endoscopic submucosal dissection
Robotics
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container_issue 4
container_start_page 677
container_title Gut and liver
container_volume 18
creator Sang Hyun Kim
Chanwoo Kim
Bora Keum
Junghyun Im
Seonghyeon Won
Byung Gon Kim
Kyungnam Kim
Taebin Kwon
Daehie Hong
Han Jo Jeon
Hyuk Soon Choi
Eun Sun Kim
Yoon Tae Jeen
Hoon Jai Chun
Joo Ha Hwang
description Background/Aims: Appropriate tissue tension and clear visibility of the dissection area using traction are essential for effective and safe endoscopic submucosal dissection (ESD). In this study, we developed a retractable robot-assisted traction device and evaluated its performance in colorectal ESD. Methods: An experienced endoscopist performed ESD 18 times on an ex vivo porcine colon using the robot and 18 times using the conventional method. The outcome measures were procedure time, dissection speed, procedure-related adverse events, and blind dissection rate. Results: Thirty-six colonic lesions were resected from ex vivo porcine colon samples. The total procedure time was significantly shorter in robot-assisted ESD (RESD) than in conventional ESD (CESD) (20.1±4.1 minutes vs 34.3±8.3 minutes, p
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In this study, we developed a retractable robot-assisted traction device and evaluated its performance in colorectal ESD. Methods: An experienced endoscopist performed ESD 18 times on an ex vivo porcine colon using the robot and 18 times using the conventional method. The outcome measures were procedure time, dissection speed, procedure-related adverse events, and blind dissection rate. Results: Thirty-six colonic lesions were resected from ex vivo porcine colon samples. The total procedure time was significantly shorter in robot-assisted ESD (RESD) than in conventional ESD (CESD) (20.1±4.1 minutes vs 34.3±8.3 minutes, p&lt;0.05). The submucosal dissection speed was significantly faster in the RESD group than in the CESD group (36.8±9.2 mm 2 /min vs 18.1±4.7 mm 2 /min, p&lt;0.05). The blind dissection rate was also significantly lower in the RESD group (12.8%±3.4% vs 35.1%±3.9%, p&lt;0.05). In an in vivo porcine feasibility study, the robotic device was attached to a colonoscope and successfully inserted into the proximal colon without damaging the colonic wall, and ESD was successfully performed. Conclusions: The dissection speed and safety profile improved significantly with the retractable RESD. Thus, our robotic device has the potential to provide simple, effective, and safe multidirectional traction during colonic ESD. (Gut Liver 2024;18:677-685)</description><identifier>ISSN: 1976-2283</identifier><language>kor</language><publisher>대한간학회</publisher><subject>Colon ; Endoscopic submucosal dissection ; Robotics</subject><ispartof>Gut and liver, 2024-07, Vol.18 (4), p.677</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Sang Hyun Kim</creatorcontrib><creatorcontrib>Chanwoo Kim</creatorcontrib><creatorcontrib>Bora Keum</creatorcontrib><creatorcontrib>Junghyun Im</creatorcontrib><creatorcontrib>Seonghyeon Won</creatorcontrib><creatorcontrib>Byung Gon Kim</creatorcontrib><creatorcontrib>Kyungnam Kim</creatorcontrib><creatorcontrib>Taebin Kwon</creatorcontrib><creatorcontrib>Daehie Hong</creatorcontrib><creatorcontrib>Han Jo Jeon</creatorcontrib><creatorcontrib>Hyuk Soon Choi</creatorcontrib><creatorcontrib>Eun Sun Kim</creatorcontrib><creatorcontrib>Yoon Tae Jeen</creatorcontrib><creatorcontrib>Hoon Jai Chun</creatorcontrib><creatorcontrib>Joo Ha Hwang</creatorcontrib><title>A Novel Retractable Robotic Device for Colorectal Endoscopic Submucosal Dissection</title><title>Gut and liver</title><addtitle>Gut and Liver</addtitle><description>Background/Aims: Appropriate tissue tension and clear visibility of the dissection area using traction are essential for effective and safe endoscopic submucosal dissection (ESD). In this study, we developed a retractable robot-assisted traction device and evaluated its performance in colorectal ESD. Methods: An experienced endoscopist performed ESD 18 times on an ex vivo porcine colon using the robot and 18 times using the conventional method. The outcome measures were procedure time, dissection speed, procedure-related adverse events, and blind dissection rate. Results: Thirty-six colonic lesions were resected from ex vivo porcine colon samples. The total procedure time was significantly shorter in robot-assisted ESD (RESD) than in conventional ESD (CESD) (20.1±4.1 minutes vs 34.3±8.3 minutes, p&lt;0.05). The submucosal dissection speed was significantly faster in the RESD group than in the CESD group (36.8±9.2 mm 2 /min vs 18.1±4.7 mm 2 /min, p&lt;0.05). The blind dissection rate was also significantly lower in the RESD group (12.8%±3.4% vs 35.1%±3.9%, p&lt;0.05). In an in vivo porcine feasibility study, the robotic device was attached to a colonoscope and successfully inserted into the proximal colon without damaging the colonic wall, and ESD was successfully performed. Conclusions: The dissection speed and safety profile improved significantly with the retractable RESD. Thus, our robotic device has the potential to provide simple, effective, and safe multidirectional traction during colonic ESD. 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In an in vivo porcine feasibility study, the robotic device was attached to a colonoscope and successfully inserted into the proximal colon without damaging the colonic wall, and ESD was successfully performed. Conclusions: The dissection speed and safety profile improved significantly with the retractable RESD. Thus, our robotic device has the potential to provide simple, effective, and safe multidirectional traction during colonic ESD. (Gut Liver 2024;18:677-685)</abstract><pub>대한간학회</pub><tpages>9</tpages></addata></record>
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subjects Colon
Endoscopic submucosal dissection
Robotics
title A Novel Retractable Robotic Device for Colorectal Endoscopic Submucosal Dissection
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