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The development of robotic flexible endoscopic platforms
Sun Gyo Lim 소화기인터벤션의학회 2020 Gastrointestinal Intervention Vol.9 No.1
Many different types of endoscopy robot have been developed or are under development. Some of these innovative biotechnologies are dedicated to complex endoscopic procedures such as endoscopic submucosal dissection whereas others are purely diagnostic. In endoscopy robotics, there are still several problems that need a solution. These problems basically concern robotic locomotion and instrument control, as well as clinical application. Flexible robotic endoscopic platforms are divided into four categories as follows: robot-assisted flexible endoscopy for maneuvering, robotic flexible endoscopy with therapeutic functions, active flexible colonoscopy, and active capsule endoscope. A thorough literature analysis was performed to assess the current status of robotic flexible endoscopic platforms designed for advanced endoluminal procedures.
Lim, Sun Gyo,Hur, Hoon,Han, Sang-Uk,Lee, Kee Myung,Kang, Joon Koo,Shin, Sung Jae,Cho, Yong Kwan,Kim, Jin Hong Informa UK (TaylorFrancis) 2017 Scandinavian journal of gastroenterology Vol.52 No.3
<P>Conclusions: LAEFTR currently seems to be the ideal treatment modality of intraluminal gastric SETs where their resection margins are difficult to define under laparoscopic guidance alone.</P>
The development of robotic flexible endoscopic platforms
Sun Gyo Lim 소화기인터벤션의학회 2020 International journal of gastrointestinal interven Vol.9 No.1
Many different types of endoscopy robot have been developed or are under development. Some of these innovative biotechnologies are dedicated to complex endoscopic procedures such as endoscopic submucosal dissection whereas others are purely diagnostic. In endoscopy robotics, there are still several problems that need a solution. These problems basically concern robotic locomotion and instrument control, as well as clinical application. Flexible robotic endoscopic platforms are divided into four categories as follows: robot-assisted flexible endoscopy for maneuvering, robotic flexible endoscopy with therapeutic functions, active flexible colonoscopy, and active capsule endoscope. A thorough literature analysis was performed to assess the current status of robotic flexible endoscopic platforms designed for advanced endoluminal procedures.
( Sun Gyo Lim ),( Kwang Jae Lee ),( Kwang Wook Suh ),( Seung Yeop Oh ),( Soon Sun Kim ),( Jun Hwan Yoo ),( Jeong Ook Wi ) The Editorial Office of Gut and Liver 2013 Gut and Liver Vol.7 No.3
Background/Aims: In patients with occlusive colorectal cancers, a complete preoperative evaluation of the colon proximal to the obstruction is often impossible. We aimed to evaluate the feasibility of preoperative colonoscopy after stent placement and to determine whether the success rate of colonoscopy differs between covered and uncovered stents. Methods: Seventy-three patients with malignant colorectal obstruction were enrolled prospectively. In patients with a resectable cancer, a preoperative colonoscopy was performed after insertion of a self-expandable metal stent (SEMS). The success rate of complete preoperative colonoscopy was compared between covered and uncovered stents. Results: Forty-five of 73 patients who underwent stent placement had a resectable cancer (61.6%). A complete preoperative colonoscopy was possible in 40 of 45 patients (88.9%). The success rate of complete preoperative colonoscopy was significantly lower in the covered-stent group when the obstructing mass lesion was located in the sigmoid colon (p=0.024). Synchronous cancer was detected in one patient (2.2%). Stent migration was observed in four patients with a covered stent. Conclusions: A preoperative complete colonoscopy after SEMS placement was feasible and safe in most patients with malignant colorectal obstruction. Uncovered stents seem to have more advantages than covered stents in preoperative colonoscopy proximal to the obstruction. (Gut Liver 2013; 7:311-316)
황선혁 ( Sun Hyuk Hwang ),박선영 ( Sun Young Park ),김기찬 ( Ki Chan Kim ),박주한 ( Joo Han Park ),김시연 ( Si Yeon Kim ),송가원 ( Ga Won Song ),정숙희 ( Jun Goo Kang ),임선교 ( Sook Hee Chung ),이기명 ( Sun Gyo Lim ),이광재 ( Kwa 전북대학교 의과학연구소 2013 全北醫大論文集 Vol.37 No.2
Cavernous hemangioma of the colon is a rare disease. It mostly affects young patients with recurrent painless rectal bleeding. Complete surgical excision with a sphincter saving procedure is the best therapeutic option. A 25-year-old man referred to our hospital because of a chronic anemia and recurrent painless rectal bleeding. In esophagogastroduodenoscopy, there was gastric erosion. In colonoscopy, there were multiple submucosal vessel dilatations on whole colon. Prominent submucosal vessel was noted on cecum and rectum suspicious for cavernous hemangioma. Biopsy was not performed because of the risk of bleeding. Abdomen computer tomography (CT) showed bowel wall thickening in rectum and colon. Multiple small aggregated cystic lesions in omentum and mesentery were seen. Multiple calcifications in the rectum were noted, a finding compatible with phleboliths. We recommended surgery but patient refused and now he is followed up in our outpainet clinic without complication. Cavernous hemangioma is a rare disease but clinicians should be cautious about the occurrence of this malformation in young patients with recurrent rectal bleeding. Suspicion and knowledge of this disease would reduce the misdiagnosis and mismanagement.