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| 1 | Laparoscopic colorectal surgery:current status andimplementation of the latest technological innovations显示文摘The introduction of laparoscopy is an example of surgical innovation with a rapid implementation in many areas of surgery. A large number of controlled studiesand meta-analyses have shown that laparoscopic colorectal surgery is associated with the same benefits than other minimally invasive procedures, including lesser pain, earlier recovery of bowel transit and shorter hospital stay. On the other hand, despite initial concerns about oncological safety, well-designed prospective randomized multicentre trials have demonstrated that oncological outcomes of laparoscopy and open surgery are similar. Although the use of laparoscopy in colorectal surgery has increased in recent years, the percentages of patients treated with surgery using minimally invasive techniques are still reduced and there are also substantial differences among centres. It has been argued that the limiting factor for the use of laparoscopic procedures is the number of surgeons with adequate skills to perform a laparoscopic colectomy rather than the tumour of patients' characteristics. In this regard, future efforts to increase the use of laparoscopic techniques in colorectal surgery will necessarily require more efforts in teaching surgeons. We here present a review of recent controversies of the use of laparoscopy in colorectal surgery, such as in rectal cancer operations, the possibility of reproducing complete mesocolon excision, and the benefits of intracorporeal anastomosis after right hemicolectomy. We also describe the results of latest innovations such as single incision laparoscopic surgery, robotic surgery and natural orifice transluminal endoscopic surgery for colon and rectal diseases. | Marta Pascual Silvia Salvans Miguel Pera | 2016 | World Journal of Gastroenterology2016，22，2： | 32 |
| 2 | Laparoscopic and robot-assisted laparoscopic digestivesurgery:Present and future directions显示文摘Laparoscopic surgery is applied today worldwide to most digestive procedures. In some of them, such as cholecystectomy, Nissen's fundoplication or obesity surgery, laparoscopy has become the standard in practice. In others, such as colon or gastric resection, the laparoscopic approach is frequently used and its usefulness is unquestionable. More complex procedures, such as esophageal, liver or pancreatic resections are, however, more infrequently performed, due to the high grade of skill necessary. As a result, there is less clinical evidence to support its implementation. In the recent years, robot-assisted laparoscopic surgery has been increasingly applied, again with little evidence for comparison with the conventional laparoscopic approach. This review will focus on the complex digestive procedures as well as those whose use in standard practice could be more controversial. Also novel robot-assisted procedures will be updated. | Juan C Rodríguez-Sanjuán Marcos Gómez-Ruiz Soledad Trugeda-Carrera Carlos Manuel-Palazuelos Antonio López-Useros Manuel Gómez-Fleitas | 2016 | World Journal of Gastroenterology2016，22，6： | 27 |
| 3 | Neoadjuvant radiotherapy for rectal cancer management显示文摘Thirty per cent of all colorectal tumours develop in the rectum.The location of the rectum within the bony pelvis and its proximity to vital structures presents significant therapeutic challenges when considering neoadjuvant options and surgical interventions.Most patients with early rectal cancer can be adequately managed by surgery alone.However,a significant proportion of patients with rectal cancer present with locally advanced disease and will potentially benefit from down staging prior to surgery.Neoadjuvant therapy involves a variety of options including radiotherapy,chemotherapy used alone or in combination.Neoadjuvant radiotherapy in rectal cancer has been shown to be effective in reducing tumour burden in advance of curative surgery.The gold standard surgical rectal cancer management aims to achieve surgical removal of the tumour and all draining lymph nodes,within an intact mesorectal package,in order to minimise local recurrence.It is critically important that all rectal cancer cases are discussed at a multidisciplinary meeting represented by all relevant specialties.Pre-operative staging including CT thorax,abdomen,pelvis to assess for distal disease and magnetic resonance imaging to assess local involvement is essential.Staging radiology and MDT discussion are integral in identifying patients who require neoadjuvant radiotherapy.While Neoadjuvant radiotherapy is potentially beneficial it may also result in morbidity and thus should be reserved for those patients who are at a high risk of local failure,which includes patients with nodal involvement,extramural venous invasion and threatened circumferential margin.The aim of this review is to discuss the role of neoadjuvant radiotherapy in the management of rectal cancer. | Gerard Feeney Rishabh Sehgal Margaret Sheehan Aisling Hogan Mark Regan Myles Joyce Michael Kerin | 2019 | World Journal of Gastroenterology2019，25，33： | 28 |
| 4 | Kinematics Modeling and Experiments of Pectoral Oscillation Propulsion Robotic Fish显示文摘A robotic fish driven by oscillating fins, 'Cownose Ray-I', is developed, which is in dorsoventrally flattened shape withouta tail. The robotic fish is composed of a body and two lateral fins. A three-factor kinematic model is established and used in thedesign of a mechanism. By controlling the three kinematic parameters, the robotic fish can accelerate and maneuver. Forwardvelocity is dependent on the largest amplitude and the number of waves in the fins, while the relative contribution of fin beatfrequency to the forward velocity of the robotic fish is different from the usual result. On the other hand, experimental results onmaneuvering show that phase difference has a stronger effect on swerving than the largest amplitude to some extent. In addition,as propulsion waves pass from the trailing edge to the leading edge, the robotic fish attains a backward velocity of 0. 15 m·s-1. | Shao-bo Yang,Jing Qiu,Xiao-yun HanInstitute of Mechatronical Engineering and Automatization,National University of Defense Technology,Changsha 410073,P.R.China | 2009 | Journal of Bionic Engineering2009，6，2： | 25 |
| 5 | Tri-Co Robot: a Chinese robotic research initiative for enhanced robot interaction capabilities显示文摘Since the invention of the first industrial robot in 1959, the missions of robots have evolved from basic mechanical transfer or assistance to a diverse range of tasks through close interactions with environment, their human counterparts and robot peers. Through adaptation to uncertain and dynamic environments. | Han Ding Xuejun Yang Nanning Zheng Ming Li Yinan Lai Hao Wu | 2018 | National Science Review2018，5，6： | 24 |
| 6 | Outcomes of robotic vs laparoscopic hepatectomy:A systematic review and meta-analysis显示文摘AIM: To perform a systematic review and metaanalysis on robotic-assisted vs laparoscopic liver resections.METHODS: A systematic literature search was performed using Pub Med, Scopus and the Cochrane Library Central. Participants of any age and sex, who underwent robotic or laparoscopic liver resection were considered following these criteria:(1) studies comparing robotic and laparoscopic liver resection;(2) studies reporting at least one perioperative outcome; and(3) if more than one study was reported by the same institute, only the most recent was included. The primary outcome measures were set for estimated blood loss, operative time, conversion rate, R1 resection rate, morbidity and mortality rates, hospital stay and major hepatectomy rates.RESULTS: A total of 7 articles, published between 2010 and 2014, fulfilled the selection criteria. The laparoscopic approach was associated with a significant reduction in blood loss and lower operative time(MD = 83.96, 95%CI: 10.51-157.41, P = 0.03; MD = 68.43, 95%CI: 39.22-97.65, P < 0.00001, respectively). No differences were found with respect to conversion rate, R1 resection rate, morbidity and hospital stay.CONCLUSION: Laparoscopic liver resection resulted in reduced blood loss and shorter surgical times compared to robotic liver resections. There was no difference in conversion rate, R1 resection rate, morbidity and length of postoperative stay. | Roberto Montalti Giammauro Berardi Alberto Patriti Marco Vivarelli Roberto Ivan Troisi | 2015 | World Journal of Gastroenterology2015，21，27： | 22 |
| 7 | Robot-assisted one-stage resection of rectal cancer with liver and lung metastases显示文摘The Da Vinci Surgical System may help to overcome some of the difficulties of laparoscopy for complicated abdominal surgery.The authors of this article present a case of robot-assisted, one-stage radical resection of three tumors, including robotic anterior resection for rectal cancer, segmental hepatectomy for liver metastasis, and wedge-shaped excision for lung metastasis.A 59-year-old man with primary rectal cancer and liver and lung metastases was operated upon with a one-stage radical resection approach using the Da Vinci Surgical System.Resection and anastomosis of rectal cancer were performed extracorporeally afterundocking the robot.The procedure was successfully completed in 500 min.No surgical complications occurred during the intervention and postoperative period, and no conversion to laparotomy or additional trocars were required.To the best of our knowledge, this is the first case of simultaneous resection for rectal cancer with liver and lung metastases using the Da Vinci Surgery System to be reported.The procedure is feasible and safe and its main advantages for patient are avoiding repeated operation, reducing surgical trauma, shortening recovery time, and early implementation of postoperative adjuvant therapy. | Jian-Min Xu Ye Wei Xiao-Ying Wang Hong Fan Wen-Ju Chang Li Ren Wei Jiang Jia Fan Xin-Yu Qin | 2015 | World Journal of Gastroenterology2015，21，9： | 23 |
| 8 | Total mesorectal excision for mid and low rectal cancer: laparoscopic vs robotic surgery显示文摘AIM: To compare the short- and long-term outcomes of laparoscopic and robotic surgery for middle and low rectal cancer.METHODS: This is a retrospective study on a prospectively collected database containing 111 patients who underwent minimally invasive rectal resection with total mesorectal excision(TME) with curative intent between January 2008 and December 2014(robot, n = 53; laparoscopy, n = 58). The patients all had a diagnosis of middle and low rectal adenocarcinoma with stage?Ⅰ-Ⅲ disease. The median follow-up period was 37.4 mo. Perioperative results, morbidity a pathological data were evaluated and compared. The 3-year overall survival and disease-free survival rates were calculated and compared.RESULTS: Patients were comparable in terms of preoperative and demographic parameters. The median surgery time was 192 min for laparoscopic TME(L-TME) and 342 min for robotic TME(R-TME)(P < 0.001). There were no differences found in the rates of conversion to open surgery and morbidity. Thepatients who underwent laparoscopic surgery stayed in the hospital two days longer than the robotic group patients(8 d for L-TME and 6 d for R-TME, P < 0.001). The pathologic evaluation showed a higher number of harvested lymph nodes in the robotic group(18 for R-TME, 11 for L-TME, P < 0.001) and a shorter distal resection margin for laparoscopic patients(1.5 cm for L-TME, 2.5 cm for R-TME, P < 0.001). The three-year overall survival and disease-free survival rates were similar between groups.CONCLUSION: Both L-TME and R-TME achieved acceptable clinical and oncologic outcomes. The robotic technique showed some advantages in rectal surgery that should be validated by further studies. | Francesco Feroci Andrea Vannucchi Paolo Pietro Bianchi Stefano Cantafio Alessia Garzi Giampaolo Formisano Marco Scatizzi | 2016 | World Journal of Gastroenterology2016，22，13： | 22 |
| 9 | Design and Experiments of a Robotic Fish Imitating Cow-Nosed Ray显示文摘The cow-nosed ray is studied as natural sample of a flapping-foil robotic fish.Body structure, motion discipline, and dynamicfoil deformation of cow-nosed ray are analyzed.Based on the analysis results, a robotic fish imitating cow-nosed ray,named Robo-ray Ⅱ, mainly composed of soft body, flexible ribs and pneumatic artificial muscles, is developed.Structure andswimming morphology of the robotic prototype are as that of a normal cow-nosed ray in nature.Key propulsion parameters ofRobo-ray Ⅱ at normal conditions, including the St Number at linear swimming, thrust coefficient at towing are studied throughexperiments.The suitable driving parameters are confirmed considering the efficiency and swimming velocity.Swimmingvelocity of 0.16 m·s-1’and thrust coefficient of 0.56 in maximum are achieved in experiments. | Yueri Cai,Shusheng Bi,Licheng Zheng Robotics Institute,Beihang University,Beijing 100191,P.R.China | 2010 | Journal of Bionic Engineering2010，7，2： | 20 |
| 10 | Mobile-robotic machining for large complex components:A review study显示文摘Even though the robotic machining has achieved great success in machining of small components, it lacks the competence to machine large complex components, such as wind turbine blade, train carriage, and aircraft wing. In order to cope with this issue,the mobile machining robot system, which consists of a robot arm integrated with a mobile platform, is proposed to achieve the large workspace and high dexterity, and thus has the potential to machine the large complex components. However, due to the limitation of motion accuracy and structural stiffness, the current mobile-robots are hard to satisfy the high precision requirement of machining tasks. In this paper, some historical mobile-robotic machining systems are reviewed firstly, followed by some key techniques related to structure optimization, dynamics of the machining process, localization, and control techniques, which are fundamental for the structural stiffness and motion accuracy of mobile-robots. Finally, the prospect of mobile-robotic machining and the open questions are addressed. | TAO Bo ZHAO XingWei DING Han | 2019 | Science China(Technological Sciences)2019，62，8： | 17 |
| 11 | Minimally invasive surgery for gastric cancer: A comparison between robotic, laparoscopic and open surgery显示文摘AIM To investigate the role of minimally invasive surgery for gastric cancer and determine surgical, clinical, and oncological outcomes.METHODS This is a propensity score-matched case-control study, comparing three treatment arms: robotic gastrectomy(RG), laparoscopic gastrectomy(LG), open gastrectomy(OG). Data collection started after sharing a specific study protocol. Data were recorded through a tailored and protected web-based system. Primary outcomes: harvested lymph nodes, estimated blood loss, hospital stay, complications rate. Among the secondary outcomes, there are: operative time, R0 resections, POD of mobilization, POD of starting liquid diet and soft solid diet. The analysis includes the evaluation of type and grade of postoperative complications. Detailed information of anastomotic leakages is also provided.RESULTS The present analysis was carried out of 1026 gastrectomies. To guarantee homogenous distribution of cases, patients in the RG, LG and OG groups were 1:1:2 matched using a propensity score analysis with a caliper = 0.2. The successful matching resulted in a total sample of 604 patients(RG = 151; LG = 151; OG = 302). The three groups showed no differences in all baseline patients characteristics, type of surgery(P = 0.42) and stage of the disease(P = 0.16). Intraoperative blood loss was significantly lower in the LG(95.93 ± 119.22) and RG(117.91 ± 68.11) groups compared to the OG(127.26 ± 79.50, P = 0.002). The mean number of retrieved lymph nodes was similar between the RG(27.78 ± 11.45), LG(24.58 ± 13.56) and OG(25.82 ± 12.07) approach. A benefit in favor of the minimally invasive approaches was found in the length of hospital stay(P < 0.0001). A similar complications rate was found(P = 0.13). The leakage rate was not different(P = 0.78) between groups.CONCLUSION Laparoscopic and robotic surgery can be safely performed and proposed as possible alternative to open surgery. The main highlighted benefit is a faster postoperative functional recovery. | Amilcare Parisi Daniel Reim Felice Borghi Ninh T Nguyen Feng Qi Andrea Coratti Fabio Cianchi Maurizio Cesari Francesca Bazzocchi Orhan Alimoglu Johan Gagnière Graziano Pernazza Simone D'Imporzano Yan-Bing Zhou Juan-Santiago Azagra Olivier Facy Steven T Brower Zhi-Wei Jiang Lu Zang Arda Isik Alessandro Gemini Stefano Trastulli Alexander Novotny Alessandra Marano Tong Liu Mario Annecchiarico Benedetta Badii Giacomo Arcuri Andrea Avanzolini Metin Leblebici Denis Pezet Shou-Gen Cao Martine Goergen Shu Zhang Giorgio Palazzini Vito D'Andrea Jacopo Desiderio | 2017 | World Journal of Gastroenterology2017，23，13： | 17 |
| 12 | Application of novel force control strategies to enhance robotic abrasive belt grinding quality of aero-engine blades显示文摘Robotic belt grinding has emerged as a finishing process in recent years for machining components with high surface finish and flexibility.The surface machining consistency,however,is difficult to be guaranteed in such a process.To overcome this problem,a method of hybrid force-position control combined with PI/PD control is proposed to be applied in robotic abrasive belt grinding of complex geometries.Voltage signals are firstly obtained and transformed to force information with signal conditioning methods.Secondly,zero drift and gravity compensation algorithms are presented to calibrate the F/T transducer which is installed on the robot end-effector.Next,a force control strategy combining hybrid force-position control with PI/PD control is introduced to be employed in robotic abrasive belt grinding operations where the force control law is applied to the Z direction of the tool frame and the positon control law is used in the X direction of the tool frame.Then,the accuracy of the F/T transducer and the robotic force control system is analyzed to ensure the stability and reliability of force control in the robotic grinding process.Finally,two typical cases on robotic belt grinding of a test workpiece and an aero-engine blade are conducted to validate the practicality and effectiveness of the force control technology proposed. | Xiaohu XU Dahu ZHU Haiyang ZHANG Sijie YAN Han DING | 2019 | Chinese Journal of Aeronautics2019，32，10： | 16 |
| 13 | Full robot-assisted gastrectomy with intracorporeal robot-sewn anastomosis produces satisfying outcomes显示文摘AIM:To evaluate the feasibility and safety of full robotassisted gastrectomy with intracorporeal robot handsewn anastomosis in the treatment of gastric cancer.METHODS:From September 2011 to March 2013,110consecutive patients with gastric cancer at the authors’institution were enrolled for robotic gastrectomies.According to tumor location,total gastrectomy,distal or proximal subtotal gastrectomy with D2 lymphadenectomy was fully performed by the da Vinci Robotic Surgical System.All construction,including Roux-en-Y jejunal limb,esophagojejunal,gastroduodenal and gastrojejunal anastomoses were fully carried out by the intracorporeal robot-sewn method.At the end of surgery,the specimen was removed through a 3-4 cm incision at the umbilicus trocar point.The details of the surgical technique are well illustrated.The benefits in terms of surgical and oncologic outcomes are well documented,as well as the failure rate and postoperative complications.RESULTS:From a total of 110 enrolled patients,radical gastrectomy could not be performed in 2 patients due to late stage disease;1 patient was converted to laparotomy because of uncontrollable hemorrhage,and1 obese patient was converted due to difficult exposure;2 patients underwent extra-corporeal anastomosis by minilaparotomy to ensure adequate tumor margin.Robot-sewn anastomoses were successfully performed for 12 proximal,38 distal and 54 total gastrectomies.The average surgical time was 272.52±53.91 min and the average amount of bleeding was 80.78±32.37 mL.The average number of harvested lymph nodes was 23.1±5.3.All specimens showed adequate surgical margin.With regard to tumor staging,26,32 and 46 patients were staged asⅠ,ⅡandⅢ,respectively.The average hospitalization time after surgery was 6.2 d.One patient experienced a duodenal stump anastomotic leak,which was mild and treated conservatively.One patient was readmitted for intra-abdominal infection and was treated conservatively.Jejunal afferent loop obstruction occurred in 1 patient,who underwent re-operation and recovered quickly.CONCLUSION:This technique is feasible and can produce satisfying postoperative outcomes.It is also convenience and reliable for anastomoses in gastrectomy.Full robotic hand-sewn anastomosis may be a minimally invasive technique for gastrectomy surgery. | Xin-Xin Liu Zhi-Wei Jiang Ping Chen Yan Zhao Hua-Feng Pan Jie-Shou Li | 2013 | World Journal of Gastroenterology2013，19，38： | 15 |
| 14 | Robotic gastrectomy with transvaginal specimen extraction for female gastric cancer patients显示文摘AIM: To describe the application of complete robotic gastrectomy with transvaginal specimen extraction(TVSE) for gastric cancer patients.METHODS: Between July and November 2014, eight female patients who were diagnosed with gastric adenocarcinoma underwent a TVSE following a full robot-sewn gastrectomy. According to the tumor location, the patients were allocated to two different groups; two patients received robotic total gastrectomy with TVSE and the other six received robotic distal gastrectomy with TVSE.RESULTS: Surgical procedures were successfully performed in all eight cases without conversion. The mean age was 55.3(range, 42-69) years, and the mean body mass index was 23.2(range, 21.6-26.0) kg/m2. The mean total operative time and blood loss were 224(range, 200-298) min and 62.5(range, 50-150) m L, respectively. The mean postoperative hospital stay was 3.6(range, 3-5) d. The mean number of lymph nodes resected was 23.6(range, 17-27). None was readmitted within 30 d of postoperation. During the follow-up, no stricture developed nor was any anastomotic leakage detected.CONCLUSION: It is possible to perform a TVSE following a full robot-sewn gastrectomy with standard D2 lymph node resection for female gastric cancer patients. | Shu Zhang Zhi-Wei Jiang Gang Wang Xiao-Bo Feng Jiang Liu Jian Zhao Jie-Shou Li | 2015 | World Journal of Gastroenterology2015，21，47： | 12 |
| 15 | Robotic surgical systems in maxillofacial surgery:a review显示文摘Throughout the twenty-first century, robotic surgery has been used in multiple oral surgical procedures for the treatment of head and neck tumors and non-malignant diseases. With the assistance of robotic surgical systems, maxillofacial surgery is performed with less blood loss, fewer complications, shorter hospitalization and better cosmetic results than standard open surgery.However, the application of robotic surgery techniques to the treatment of head and neck diseases remains in an experimental stage, and the long-lasting effects on surgical morbidity, oncologic control and quality of life are yet to be established. More well-designed studies are needed before this approach can be recommended as a standard treatment paradigm. Nonetheless,robotic surgical systems will inevitably be extended to maxillofacial surgery. This article reviews the current clinical applications of robotic surgery in the head and neck region and highlights the benefits and limitations of current robotic surgical systems. | Hang-Hang Liu Long-Jiang Li Bin Shi Chun-Wei Xu En Luo | 2017 | International Journal of Oral Science2017，9，2： | 11 |
| 16 | Comparative analysis of robotic vs laparoscopic radical hysterectomy for cervical cancer显示文摘BACKGROUND Cervical cancer is the most common gynecological malignancy,ranking first in female reproductive malignancies with more than 500000 new cases and 275000 deaths each year.Traditionally,open radical hysterectomy is considered the standard surgical procedure for the treatment of resectable cervical cancer.The latest guidelines from the National Comprehensive Cancer Network and the European Society of Gynecological Oncology suggest that open surgery and laparoscopic surgery(using traditional laparoscopic or robotic techniques)are the main surgical approaches for radical hysterectomy for patients with stage IA2-IIA cervical cancer.Robotic surgery has been increasingly used in abdominal surgery and has shown more beneficial effects.AIM To analyse the perioperative conditions,complications,and short-term and longterm effects in patients undergoing robotic radical hysterectomy(RRH)and laparoscopic radical hysterectomy(LRH)to compare their clinical efficacy,safety,and feasibility.METHODS The perioperative data of patients undergoing RRH and LRH were extracted and collected from the database of surgical treatments for cervical cancer for statistical analysis.RESULTS Of the patients,342 underwent LRH for cervical cancer,and 216 underwent RRH.The total complication rate was 9.65%(20 patients)in the RRH group and 17.59%(60 patients)in the LRH group.The complication rate was significantly lower in the RRH group than in the LRH group.There was no significant difference in the follow-up period(P=0.658).The total recurrence rates were 15.7%and 12%in the RRH and LRH groups,respectively.The progression-free survival time was 28.91±15.68 mo and 28.34±15.13 mo in the RRH and LRH groups,respectively(P=0.669).The overall survival(OS)rates were 92.13%and 94.45%in the RRH and LRH groups,respectively(P=0.292).The OS time was 29.87±15.92 mo and 29.41±15.14 mo in the RRH and LRH groups,respectively(P=0.732).The survival curves and the progression-free survival curves were not statistically significantly different between the two groups(P=0.407 and 0.28,respectively).CONCLUSION RRH is associated with significantly less operative time and blood loss than LRH.The two procedures have similar complication rates,OS,and progression-free survival time. | Li Chen Li-Ping Liu Na Wen Xiao Qiao Yuan-Guang Meng | 2019 | World Journal of Clinical Cases2019，7，20： | 9 |
| 17 | A 3D Simulator for Autonomous Robotic Fish显示文摘This paper presents a 3D simulator used for studying the motion control and autonomous navigation of robotic fish. The simulator’s system structure and computation flow are presented. Simplified kinematics and hydrodynamics models for a virtual robotic fish are proposed. Many other object models are created for water, obstacles, sonar sensors and a swimming pool. Experimental results show that the simulator provides a, realistic and convenient way to develop autonomous navigation algorithms for robotic fish. | Jindong Liu Huosheng Hu | 2004 | International Journal of Automation and computing2004，1，1： | 9 |
| 18 | Surgical approach to right colon cancer:From open technique to robot.State of art显示文摘This work is a topic highlight on the surgical treatment of the right colon pathologies,focusing on the literature state of art and comparing the open surgery to the different laparoscopic and robotic procedures.Different laparoscopic procedures have been described for the treatment of right colon tumors: Totally laparoscopic right colectomy,laparoscopic assisted right colectomy,laparoscopic facilitated right colectomy,hand-assisted right colectomy,single incision laparoscopic surgery colectomy,robotic right colectomy.Two main characteristics of these techniques are the different type of anastomosis: Intracorporeal(for totally laparoscopic right colectomy,single incision laparoscopic surgery colectomy,laparoscopic assisted right colectomy and robotic technique) or extracorporeal(for laparoscopic assisted right colectomy,laparoscopic facilitated right colectomy,hand-assisted right colectomy and open right colectomy) and the different incision(suprapubic,median or transverse on the right side of abdomen).The different laparoscopic techniques meet the same oncological criteria of radicalism as the open surgery for the right colon.The totally laparoscopic right colectomy with intracorporeal anastomosis and even more the single incision laparoscopic surgery colectomy,remain a technical challenge due to the complexity of procedures(especially for the single incision laparoscopic surgery colectomy) and the particular right colon vascular anatomy but they seem to have some theoretical advantages compared to the other laparoscopic and open procedures.Data reported in literature while confirming the advantages of laparoscopic approach,do not allow to solve controversies about which is the best laparoscopic technique(Intracorporeal vs Extracorporeal Anastomosis) to treat the right colon cancer.However,the laparoscopic techniques with intracorporeal anastomosis for the right colon seem to show some theoretical advantages(functional,technical,oncological and cosmetic advantages) even if all studies conclude that further prospective randomized trials are necessary.Robotic technique may be useful to overcome the problems related to inexperience in laparoscopy in some surgical centers. | Massimiliano Fabozzi Pia Cirillo Francesco Corcione | 2016 | World Journal of Gastrointestinal Surgery2016，8，8： | 8 |
| 19 | Asynchronous Brain-Computer Interface Shared Control of Robotic Grasping显示文摘The control of a high Degree of Freedom(DoF) robot to grasp a target in three-dimensional space using Brain-Computer Interface(BCI) remains a very difficult problem to solve. Design of synchronous BCI requires the user perform the brain activity task all the time according to the predefined paradigm; such a process is boring and fatiguing. Furthermore, the strategy of switching between robotic auto-control and BCI control is not very reliable because the accuracy of Motor Imagery(MI) pattern recognition rarely reaches 100%. In this paper, an asynchronous BCI shared control method is proposed for the high DoF robotic grasping task. The proposed method combines BCI control and automatic robotic control to simultaneously consider the robotic vision feedback and revise the unreasonable control commands. The user can easily mentally control the system and is only required to intervene and send brain commands to the automatic control system at the appropriate time according to the experience of the user. Two experiments are designed to validate our method: one aims to illustrate the accuracy of MI pattern recognition of our asynchronous BCI system; the other is the online practical experiment that controls the robot to grasp a target while avoiding an obstacle using the asynchronous BCI shared control method that can improve the safety and robustness of our system. | Wenchang Zhang Fuchun Sun Hang Wu Chuanqi Tan Yuzhen Ma | 2019 | Tsinghua Science and Technology2019，24，3： | 8 |
| 20 | Non-robotic minimally invasive gastrectomy as an independent risk factor for postoperative intra-abdominal infectious complications: A single-center, retrospective and propensity score-matched analysis显示文摘BACKGROUND Minimally invasive surgery for gastric cancer(GC) has gained widespread use as a safe curative procedure especially for early GC.AIM To determine risk factors for postoperative complications after minimally invasive gastrectomy for GC.METHODS Between January 2009 and June 2019, 1716 consecutive patients were referred to our division for primary GC. Among them, 1401 patients who were diagnosed with both clinical and pathological Stage Ⅲ or lower GC and underwent robotic gastrectomy(RG) or laparoscopic gastrectomy(LG) were enrolled. Retrospective chart review and multivariate analysis were performed for identifying risk factors for postoperative morbidity.RESULTS Morbidity following minimally invasive gastrectomy was observed in 7.5% of the patients. Multivariate analyses demonstrated that non-robotic minimally invasive surgery, male gender, and an operative time of ≥ 360 min were significant independent risk factors for morbidity. Therefore, morbidity was compared between RG and LG. Accordingly, propensity-matched cohort analysis revealed that the RG group had significantly fewer intra-abdominal infectious complications than the LG group(2.5% vs 5.9%, respectively;P = 0.038), while no significant differences were noted for other local or systemic complications.Multivariate analyses of the propensity-matched cohort revealed that non-robotic minimally invasive surgery [odds ratio = 2.463(1.070–5.682);P = 0.034] was a significant independent risk factor for intra-abdominal infectious complications.CONCLUSION The findings showed that robotic surgery might improve short-term outcomes following minimally invasive radical gastrectomy by reducing intra-abdominal infectious complications. | Susumu Shibasaki Koichi Suda Masaya Nakauchi Kenichi Nakamura Kenji Kikuchi Kazuki Inaba Ichiro Uyama | 2020 | World Journal of Gastroenterology2020，26，11： | 8 |
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