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https://www.readbyqxmd.com/read/28650836/deep-art-neural-model-for-biologically-inspired-episodic-memory-and-its-application-to-task-performance-of-robots
#1
Gyeong-Moon Park, Yong-Ho Yoo, Deok-Hwa Kim, Jong-Hwan Kim
Robots are expected to perform smart services and to undertake various troublesome or difficult tasks in the place of humans. Since these human-scale tasks consist of a temporal sequence of events, robots need episodic memory to store and retrieve the sequences to perform the tasks autonomously in similar situations. As episodic memory, in this paper we propose a novel Deep adaptive resonance theory (ART) neural model and apply it to the task performance of the humanoid robot, Mybot, developed in the Robot Intelligence Technology Laboratory at KAIST...
June 26, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28650357/defining-the-role-of-minimally-invasive-proctectomy-for-locally-advanced-rectal-adenocarcinoma
#2
Sarath Sujatha-Bhaskar, Mehraneh D Jafari, John V Gahagan, Colette S Inaba, Christina Y Koh, Steven D Mills, Joseph C Carmichael, Michael J Stamos, Alessio Pigazzi
OBJECTIVE: National examination of open proctectomy (OP), laparoscopic proctectomy (LP), and robotic proctectomy (RP) in pathological outcomes and overall survival (OS). BACKGROUND: Surgical management for rectal adenocarcinoma is evolving towards utilization of LP and RP. However, the oncological impacts of a minimally invasive approach to rectal cancer have yet to be defined. METHODS: Retrospective review of the National Cancer Database identified patients with nonmetastatic locally advanced rectal adenocarcinoma from 2010 to 2014, who underwent neoadjuvant chemoradiation, surgical resection, and adjuvant therapy...
July 22, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28649796/lymph-node-yield-in-right-colectomies-for-cancer-a-comparison-of-open-laparoscopic-and-robotic-approaches
#3
Maria Widmar, Metin Keskin, Paul Strombom, Pedro Beltran, Oliver S Chow, J Joshua Smith, Garrett M Nash, Jinru Shia, David Russell, Julio Garcia-Aguilar
AIM: Studies have demonstrated a relationship between lymph node (LN) yield and survival after colectomy for cancer. The impact of surgical technique on lymph node yield has not been well explored. METHOD: This is a retrospective study of right colectomies (RC) for cancer at a single institution from 2012-2014. Exclusion criteria were previous colectomy, emergent and palliative operations. All data were collected by chart review. Primary outcomes were LN yield and the lymph node to length of surgical specimen (LN-LSS) ratio...
June 26, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28649740/human-vs-robots-in-the-discovery-and-crystallization-of-gigantic-polyoxometalates
#4
Lee Cronin, Vasilios Duros, Jonathan Grizou, Weimin Xuan, Zied Hosni, De-Liang Long, Haralampos Miras
The discovery of new gigantic molecules formed by self-assembly using single crystal X-ray crystallography is a challenging endeavor as it combines two contingent events; first is the formation of a new molecule, and second its crystallization. Herein, we constructed a workflow that can be followed manually or by a robot to probe the envelope of both events and employed it in the chemical space of a new polyoxometalate cluster, namely Na6[Mo120Ce6O366H12(H2O)78]·200H2O (1) which has a trigonal-ring type architecture (yield 4...
June 25, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28649379/is-transoral-robotic-surgery-a-safe-and-effective-multilevel-treatment-for-obstructive-sleep-apnoea-in-obese-patients-following-failure-of-conventional-treatment-s
#5
George Garas, Anthousa Kythreotou, Christos Georgalas, Asit Arora, Bhik Kotecha, Floyd C Holsinger, David G Grant, Neil Tolley
A best evidence topic was written according to a structured protocol. The question addressed was whether TransOral Robotic Surgery (TORS) is a safe and effective multilevel treatment for Obstructive Sleep Apnoea (OSA) in obese patients following failure of conventional treatment(s). A total of 39 papers were identified using the reported searches of which 5 represented the best evidence to answer the clinical question. The authors, date, journal, study type, population, main outcome measures and results are tabulated...
July 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28649213/ethorobotics-a-new-approach-to-human-robot-relationship
#6
REVIEW
Ádám Miklósi, Péter Korondi, Vicente Matellán, Márta Gácsi
Here we aim to lay the theoretical foundations of human-robot relationship drawing upon insights from disciplines that govern relevant human behaviors: ecology and ethology. We show how the paradox of the so called "uncanny valley hypothesis" can be solved by applying the "niche" concept to social robots, and relying on the natural behavior of humans. Instead of striving to build human-like social robots, engineers should construct robots that are able to maximize their performance in their niche (being optimal for some specific functions), and if they are endowed with appropriate form of social competence then humans will eventually interact with them independent of their embodiment...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28649197/a-minimal-model-describing-hexapedal-interlimb-coordination-the-tegotae-based-approach
#7
Dai Owaki, Masashi Goda, Sakiko Miyazawa, Akio Ishiguro
Insects exhibit adaptive and versatile locomotion despite their minimal neural computing. Such locomotor patterns are generated via coordination between leg movements, i.e., an interlimb coordination, which is largely controlled in a distributed manner by neural circuits located in thoracic ganglia. However, the mechanism responsible for the interlimb coordination still remains elusive. Understanding this mechanism will help us to elucidate the fundamental control principle of animals' agile locomotion and to realize robots with legs that are truly adaptive and could not be developed solely by conventional control theories...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28648055/poly-ethylene-glycol-mediated-collagen-gel-mechanics-regulates-cellular-phenotypes-in-a-microchanneled-matrix
#8
Max H Rich, Min Kyung Lee, William C Ballance, Marni Boppart, Hyunjoon Kong
For the past few decades, efforts have been extensively made to reproduce tissue of interests for various uses including fundamental bioscience studies, clinical treatments, and even soft robotic systems. In these studies, cells are often cultured in micropores introduced in a provisional matrix despite that bulk rigidity may negatively affect cellular differentiation involved in tissue formation. To this end, we hypothesized that suspending cells within a soft fibrous matrix that is encapsulated within the microchannels of a provisional matrix would allow us to mediate effects of the matrix rigidity on cells and, in turn, to increase the cell differentiation level...
June 24, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28646865/development-of-stereo-endoscope-system-with-its-innovative-master-interface-for-continuous-surgical-operation
#9
Myungjoon Kim, Chiwon Lee, Nhayoung Hong, Yoon Jae Kim, Sungwan Kim
BACKGROUND: Although robotic laparoscopic surgery has various benefits when compared with conventional open surgery and minimally invasive surgery, it also has issues to overcome and one of the issues is the discontinuous surgical flow that occurs whenever control is swapped between the endoscope system and the operating robot arm system. This can lead to problems such as collision between surgical instruments, injury to patients, and increased operation time. To achieve continuous surgical operation, a wireless controllable stereo endoscope system is proposed which enables the simultaneous control of the operating robot arm system and the endoscope system...
June 24, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28646320/erratum-to-robotic-versus-laparoscopic-rectal-resection-for-sphincter-saving-surgery-pathological-and-short-term-outcomes-in-a-single-center-analysis-of-130-consecutive-patients
#10
Alain Valverde, Nicolas Goasguen, Olivier Oberlin, Magali Svrcek, Jean-François Fléjou, Alain Sezeur, Henri Mosnier, Rémi Houdart, Renato M Lupinacci
No abstract text is available yet for this article.
June 23, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28645855/training-surgical-residents-with-a-haptic-robotic-central-venous-catheterization-simulator
#11
David F Pepley, Adam B Gordon, Mary A Yovanoff, Katelin A Mirkin, Scarlett R Miller, David C Han, Jason Z Moore
OJECTIVE: Ultrasound guided central venous catheterization (CVC) is a common surgical procedure with complication rates ranging from 5 to 21 percent. Training is typically performed using manikins that do not simulate anatomical variations such as obesity and abnormal vessel positioning. The goal of this study was to develop and validate the effectiveness of a new virtual reality and force haptic based simulation platform for CVC of the right internal jugular vein. DESIGN: A CVC simulation platform was developed using a haptic robotic arm, 3D position tracker, and computer visualization...
June 20, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28645009/case-report-of-robotic-dor-fundoplication-for-scleroderma-esophagus-with-aperistalsis-on-manometry
#12
Alonso Andrade, Matthew K Folstein, Brian R Davis
Scleroderma is a systemic disease of collagen deposition resulting in fibrosis of small arteries and arterioles. It commonly affects the skin, lungs, and gastrointestinal tract. The most common site of GI tract involvement is the esophagus. We present the case report of a 44year old female with scleroderma esophagus and severe reflux which was successfully treated with robotic dor fundoplication. Because of the wide variety of symptoms with which this problem can present, a tailored approach taking into consideration the patient's symptomatology and findings during diagnostic work-up was implemented with good results...
June 16, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28644697/contemporary-treatment-of-renal-tumors-a-questionnaire-survey-in-the-nordic-countries-the-norenca-i-study
#13
Harry Nisen, Petrus Järvinen, Magnus Fovaeus, Eirikur Guðmundsson, Bjarne Kromann-Andersen, Börje Ljungberg, Lars Lund, Frode Nilsen, Pernilla Sundqvist, Christian Beisland
OBJECTIVE: The five Nordic countries comprise 25 million people, and have similar treatment traditions and healthcare systems. To take advantage of these similarities, a collaborative group (Nordic Renal Cancer Group, NORENCA) was founded in 2015. MATERIALS AND METHODS: A questionnaire of 17 questions on renal tumor management and surgical education was designed and sent to 91 institutions performing renal tumor surgery in 2015. The response rate was 68% (62 hospitals), including 28 academic, 25 central and nine district hospitals...
June 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28644545/robotic-versus-laparoscopic-rectal-surgery-in-high-risk-patients
#14
Jamil Ahmed, Han Cao, Sofoklis Panteleimonitis, Jim Khan, Amjad Parvaiz
AIM: Laparoscopic rectal surgery is associated with a steep learning curve and high conversion rate despite progress in equipment design and consistent practice. The robotic system has shown the advantage over laparoscopic approach due to stable three-dimensional views, improved dexterity and better ergonomics. These factors make the robotic approach more favourable for rectal surgery. The aim of this study was to compare the perioperative outcomes of laparoscopic and robotic rectal cancer surgery in high-risk patients...
June 23, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28644375/gaden-a-3d-gas-dispersion-simulator-for-mobile-robot-olfaction-in-realistic-environments
#15
Javier Monroy, Victor Hernandez-Bennets, Han Fan, Achim Lilienthal, Javier Gonzalez-Jimenez
This work presents a simulation framework developed under the widely used Robot Operating System (ROS) to enable the validation of robotics systems and gas sensing algorithms under realistic environments. The framework is rooted in the principles of computational fluid dynamics and filament dispersion theory, modeling wind flow and gas dispersion in 3D real-world scenarios (i.e., accounting for walls, furniture, etc.). Moreover, it integrates the simulation of different environmental sensors, such as metal oxide gas sensors, photo ionization detectors, or anemometers...
June 23, 2017: Sensors
https://www.readbyqxmd.com/read/28643302/-comparison-of-robotic-and-laparoscopic-total-mesorectal-excision
#16
Pan Chi, Zhifen Chen
Laparoscopic total mesorectal excision (TME) has been commonly applied in the operation of mid-low rectal cancer, but the conventional laparoscopic TME has the disadvantages of major operative difficulty and long learning-curve, due to its limitations of 2-dimension vision and common laparoscopic instruments. Robotic surgical system with high-qualified 3-dimenstion vision and flexible Endo Wrist instruments can overcome those limitations of conventional laparoscopy, and is useful for the TME that demands deep pelvic operation and flexible dissection in the space of distal rectum...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643301/-application-of-robotic-surgical-system-in-sphincter-preserving-surgery-for-low-rectal-cancer
#17
Pingping Xu, Jianmin Xu
Robotic surgical system has been widely applied in sphincter-preserving surgery for low rectal cancer with the advantages of clear 3D images and stably flexile manipulation. Its application principle includes radical resection of tumor and complete preservation of function. The main operation procedures of robotic surgical system in sphincter-preserving surgery for low rectal cancer are as follows: (1) Anterior resection of low rectal cancer: It is safe and feasible and has obvious advantages in observation of pelvic nerves, dissociation of presacral and sacral side, and high rate of sphincter-preserving, while the improvement of postoperative recovery and long-term survival needs to be verified by further large sample researches...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643300/-advantages-and-disadvantages-of-minimally-invasive-surgery-in-colorectal-cancer-surgery
#18
Minhua Zheng, Junjun Ma
Since the emergence of minimally invasive technology twenty years ago, as a surgical concept and surgical technique for colorectal cancer surgery, its obvious advantages have been recognized. Laparoscopic technology, as one of the most important technology platform, has got a lot of evidence-based support for the oncological safety and effectiveness in colorectal cancer surgery Laparoscopic technique has advantages in terms of identification of anatomic plane and autonomic nerve, protection of pelvic structure, and fine dissection of vessels...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643051/long-term-outcomes-by-a-transanal-approach-to-total-mesorectal-excision-for-rectal-cancer
#19
John H Marks, Elizabeth A Myers, Erik L Zeger, Albert S Denittis, Mounica Gummadi, Gerald J Marks
BACKGROUND: The challenge of performing a good total mesorectal excision (TME) dissection, particularly in the distal 1/3 of the rectum, has spurred interest in new techniques. Robotic surgery is advocated by some, and more recently, a "new" approach, the transanal total mesorectal excision, has been popularized to address this problem. While great interest in this technique exists, little long-term outcome data are available. We have been utilizing a transanal abdominal transanal approach to TME in order to facilitate the distal dissection, and here, we provide our long-term outcomes using this approach in the management of rectal cancer...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28640439/skin-inspired-multifunctional-autonomic-intrinsic-conductive-self-healing-hydrogels-with-pressure-sensitivity-stretchability-and-3d-printability
#20
Mohammad Ali Darabi, Ali Khosrozadeh, Rene Mbeleck, Yuqing Liu, Qiang Chang, Junzi Jiang, Jun Cai, Quan Wang, Gaoxing Luo, Malcolm Xing
The advent of conductive self-healing (CSH) hydrogels, a class of novel materials mimicking human skin, may change the trajectory of the industrial process because of their potential applications in soft robots, biomimetic prostheses, and health-monitoring systems. Here, the development of a mechanically and electrically self-healing hydrogel based on physically and chemically cross-linked networks is reported. The autonomous intrinsic self-healing of the hydrogel is attained through dynamic ionic interactions between carboxylic groups of poly(acrylic acid) and ferric ions...
June 22, 2017: Advanced Materials
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