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https://www.readbyqxmd.com/read/29667065/single-site-laparoscopy-and-robotic-surgery-in-pediatric-urology
#1
REVIEW
Diana K Bowen, Jason P Van Batavia, Arun K Srinivasan
PURPOSE OF REVIEW: In this review, we summarize research that has evaluated the role of laparoendoscopic single-site (LESS) and robotic surgery in pediatric urology, highlighting new and/or controversial ideas. RECENT FINDINGS: The newest research developments over the last several years are studies that address generalizability of these techniques, ideal patient factors, extrapolation to more complex surgeries, and comparative studies to more traditional techniques to define the associated costs and benefits, as well as patient-centered outcomes...
April 17, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29667042/a-new-robotic-assisted-flexible-endoscope-with-single-hand-control-endoscopic-submucosal-dissection-in-the-ex-vivo-porcine-stomach
#2
Tsutomu Iwasa, Ryu Nakadate, Shinya Onogi, Yasuharu Okamoto, Jumpei Arata, Susumu Oguri, Haruei Ogino, Eikichi Ihara, Kenoki Ohuchida, Tomohiko Akahoshi, Tetsuo Ikeda, Yoshihiro Ogawa, Makoto Hashizume
BACKGROUND: Difficulties in endoscopic operations and therapeutic procedures seem to occur due to the complexity of operating the endoscope dial as well as difficulty in performing synchronized movements with both hands. We developed a prototype robotic-assisted flexible endoscope that can be controlled with a single hand in order to simplify the operation of the endoscope. The aim of this study was to confirm the operability of the robotic-assisted flexible endoscope (RAFE) by performing endoscopic submucosal dissection (ESD)...
April 17, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29667041/perception-versus-reality-elucidating-motivation-and-expectations-of-current-fellowship-council-minimally-invasive-surgery-fellows
#3
Jeffrey R Watkins, Aurora D Pryor, Michael S Truitt, D Rohan Jeyarajah
BACKGROUND: The aim of our study is to determine minimally invasive trainee motivation and expectations for their respective fellowship. Minimally Invasive Surgery (MIS) is one of the largest non-ACGME post-residency training pathways though little is known concerning the process of residents choosing MIS as a fellowship focus. As general surgery evolves, it is important to understand resident motivation in order to better prepare them for a surgical career. METHODS: A survey invitation was sent to current trainees in the Minimally Invasive and related pathways through the Fellowship Council...
April 17, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29666747/symphysis-pubis-osteomyelitis-an-uncommon-complication-after-robotic-assisted-radical-prostatectomy-case-description-with-literature-review
#4
Jad A Degheili, Mazen M Mansour, Rami W Nasr
Prostate cancer is the most common solid cancer among American men. Although there are various modalities for treatment, including radical prostatectomy among many others, the former is, nevertheless, not without any accompanied complications. Other than the well-known surgical complications such as erectile dysfunction, urinary incontinence, and voiding dysfunction, osteomyelitis of the symphysis pubis is not a well-understood complication, with various hypotheses explaining its pathogenesis. Although osteomyelitis of the pubis symphysis has been reported after endoscopic urological procedures such as transurethral resection of the prostate, it has rarely been reported after robotic surgeries...
2018: Case Reports in Urology
https://www.readbyqxmd.com/read/29666601/robots-like-me-challenges-and-ethical-issues-in-aged-care
#5
Ipke Wachsmuth
No abstract text is available yet for this article.
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29666575/combining-mental-training-and-physical-training-with-goal-oriented-protocols-in-stroke-rehabilitation-a-feasibility-case-study
#6
Xin Zhang, Ahmed M Elnady, Bubblepreet K Randhawa, Lara A Boyd, Carlo Menon
Stroke is one of the leading causes of permanent disability in adults. The literature suggests that rehabilitation is key to early motor recovery. However, conventional therapy is labor and cost intensive. Robotic and functional electrical stimulation (FES) devices can provide a high dose of repetitions and as such may provide an alternative, or an adjunct, to conventional rehabilitation therapy. Brain-computer interfaces (BCI) could augment neuroplasticity by introducing mental training. However, mental training alone is not enough; but combining mental with physical training could boost outcomes...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29665540/information-theoretic-decomposition-of-embodied-and-situated-systems
#7
Federico Da Rold
The embodied and situated view of cognition stresses the importance of real-time and nonlinear bodily interaction with the environment for developing concepts and structuring knowledge. In this article, populations of robots controlled by an artificial neural network learn a wall-following task through artificial evolution. At the end of the evolutionary process, time series are recorded from perceptual and motor neurons of selected robots. Information-theoretic measures are estimated on pairings of variables to unveil nonlinear interactions that structure the agent-environment system...
March 27, 2018: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/29665427/end-tidal-co-2-guided-automated-robot-cpr-system-in-the-pig-preliminary-communication
#8
Gil Joon Suh, Jaeheung Park, Jung Chan Lee, Sang Hoon Na, Woon Yong Kwon, Kyung Su Kim, Taegyun Kim, Yoon Sun Jung, Jung-In Ko, So Mi Shin, Kyoung Min You
BACKGROUND: Our aim was to compare the efficacy of the end-tidal CO2 -guided automated robot CPR (robot CPR) system with manual CPR and mechanical device CPR. METHODS: We developed the algorithm of the robot CPR system which automatically finds the optimal compression position under the guidance of end-tidal CO2 feedback in swine models of cardiac arrest. Then, 18 pigs after 11 minutes of cardiac arrest were randomly assigned to one of three groups, robot CPR, LUCAS CPR, and manual CPR groups (n = 6 each group)...
April 14, 2018: Resuscitation
https://www.readbyqxmd.com/read/29664708/adaptive-and-resilient-soft-tensegrity-robots
#9
John Rieffel, Jean-Baptiste Mouret
Living organisms intertwine soft (e.g., muscle) and hard (e.g., bones) materials, giving them an intrinsic flexibility and resiliency often lacking in conventional rigid robots. The emerging field of soft robotics seeks to harness these same properties to create resilient machines. The nature of soft materials, however, presents considerable challenges to aspects of design, construction, and control-and up until now, the vast majority of gaits for soft robots have been hand-designed through empirical trial-and-error...
April 17, 2018: Soft Robotics
https://www.readbyqxmd.com/read/29664692/comparison-of-short-term-functional-oncological-and-perioperative-outcomes-between-laparoscopic-and-robotic-partial-nephrectomy-beyond-the-learning-curve
#10
Quentin Alimi, Benoit Peyronnet, Philippe Sebe, Jean-François Cote, Solene-Florence Kammerer-Jacquet, Zine-Eddine Khene, Benjamin Pradere, Romain Mathieu, Gregory Verhoest, Bertrand Guillonneau, Karim Bensalah
PURPOSE: To compare the short-term outcomes of robot-assisted partial nephrectomy (RPN) and laparoscopic partial nephrectomy (LPN) when performed by highly experienced surgeons. METHODS: A prospective multicenter study was conducted, including the 50 last patients having undergone LPN and RPN for T1-T2 renal tumors in two institutions between 2013 and 2016, performed by two different surgeons with an experience of over 200 procedures each in LPN and RPN, respectively, at the beginning of the study...
April 17, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29664345/a-micro-level-data-calibrated-agent-based-model-the-synergy-between-microsimulation-and-agent-based-modeling
#11
Karandeep Singh, Chang-Won Ahn, Euihyun Paik, Jang Won Bae, Chun-Hee Lee
Artificial life (ALife) examines systems related to natural life, its processes, and its evolution, using simulations with computer models, robotics, and biochemistry. In this article, we focus on the computer modeling, or "soft," aspects of ALife and prepare a framework for scientists and modelers to be able to support such experiments. The framework is designed and built to be a parallel as well as distributed agent-based modeling environment, and does not require end users to have expertise in parallel or distributed computing...
April 17, 2018: Artificial Life
https://www.readbyqxmd.com/read/29663540/extreme-toughening-of-soft-materials-with-liquid-metal
#12
Navid Kazem, Michael D Bartlett, Carmel Majidi
Soft and tough materials are critical for engineering applications in medical devices, stretchable and wearable electronics, and soft robotics. Toughness in synthetic materials is mostly accomplished by increasing energy dissipation near the crack tip with various energy dissipation techniques. However, bio-materials exhibit extreme toughness by combining multi-scale energy dissipation with the ability to deflect and blunt an advancing crack tip. Here, we demonstrate a synthetic materials architecture that also exhibits multi-modal toughening, whereby embedding a suspension of micron sized and highly deformable liquid metal (LM) droplets inside a soft elastomer, the fracture energy dramatically increases by up to 50x (from 250 ± 50 J m-2 to 11,900 ± 2600 J m-2 ) over an unfilled polymer...
April 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29663528/purely-off-clamp-robotic-partial-nephrectomy-preliminary-3-year-oncological-and-functional-outcomes
#13
Giuseppe Simone, Leonardo Misuraca, Gabriele Tuderti, Francesco Minisola, Mariaconsiglia Ferriero, Giuseppe Romeo, Manuela Costantini, Samer F Al-Rawashdah, Salvatore Guaglianone, Michele Gallucci
OBJECTIVES: To describe our surgical technique and to report perioperative, 3-year oncological and functional outcomes of a single-center series of purely off-clamp robotic partial nephrectomy. METHODS: A prospective renal cancer institutional database was queried, and data of consecutive patients treated with purely off-clamp robotic partial nephrectomy between 2010 and 2015 in a high-volume center were collected. Perioperative complications, and 3-year oncological and functional outcomes were assessed...
April 16, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29663179/the-impact-of-obesity-on-pulmonary-deterioration-in-patients-undergoing-robotic-assisted-laparoscopic-prostatectomy
#14
Sebastian Blecha, Marion Harth, Florian Zeman, Timo Seyfried, Matthias Lubnow, Maximilian Burger, Stefan Denzinger, Michael T Pawlik
Obesity affects respiratory and hemodynamic function in anesthetized patients. The aim of this study was to evaluate the influence of the body mass index (BMI) on pulmonary changes in a permanent 45° steep Trendelenburg position (STP) during robotic-assisted laparoscopic prostatectomy (RALP). 51 patients undergoing RALP under standardized anesthesia were included. Perioperative pulmonary function and oxygenation were measured in awake patients (T0 ), 20 min after the induction of anesthesia (T1 ), after insufflation of the abdomen in supine position (T2 ), after 30 min in STP (T3 ), when controlling Santorini's plexus in STP (T4 ), before awakening while supine (T5 ), and after 45 min in the recovery room (T6 )...
April 16, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29663023/grasping-trajectories-in-a-virtual-environment-adhere-to-weber-s-law
#15
Aviad Ozana, Sigal Berman, Tzvi Ganel
Virtual-reality and telerobotic devices simulate local motor control of virtual objects within computerized environments. Here, we explored grasping kinematics within a virtual environment and tested whether, as in normal 3D grasping, trajectories in the virtual environment are performed analytically, violating Weber's law with respect to object's size. Participants were asked to grasp a series of 2D objects using a haptic system, which projected their movements to a virtual space presented on a computer screen...
April 16, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29663002/-patterning-with-loops-to-dynamically-reconfigure-polymer-gels
#16
Santidan Biswas, Victor V Yashin, Anna C Balazs
The structural and mechanical properties of gels can be controlled by promoting the unfolding (and refolding) of loops (stored lengths) embedded within the networks. As a loop unfolds, the released chain length can increase the extensibility and reconfigurability of the gel. Here, we develop a theoretical model that couples the elasticity of the gel to the dynamic transitions occurring in loops that lie between the crosslinks. Using this model, we show that a thermally-induced swelling of the gel generates an internal strain, which unfolds the loops and thereby further increases the degree of gel swelling...
April 17, 2018: Soft Matter
https://www.readbyqxmd.com/read/29662831/the-asia-pacific-consensus-statement-on-laparoscopic-liver-resection-for-hepatocellular-carcinoma-a-report-from-the-7th-asia-pacific-primary-liver-cancer-expert-meeting-held-in-hong-kong
#17
Tan To Cheung, Ho-Seong Han, Wong Hoi She, Kuo-Hsin Chen, Pierce K H Chow, Boon Koon Yoong, Kit Fai Lee, Shoji Kubo, Chung Ngai Tang, Go Wakabayashi
Background: Laparoscopic liver resection has been gaining momentum, and it has become an accepted practice after the two international consensus conferences where experts worked up guidelines to standardize this approach and improve its safety. However, most laparoscopic hepatectomies were performed in patients with liver metastases. The concurrent presence of liver cirrhosis with hepatocellular carcinoma (HCC) poses a great challenge to clinicians trying to establish a routine use of laparoscopic liver resection for HCC...
March 2018: Liver Cancer
https://www.readbyqxmd.com/read/29662774/a-novel-gait-based-synthesis-procedure-for-the-design-of-4-bar-exoskeleton-with-natural-trajectories
#18
Ramanpreet Singh, Himanshu Chaudhary, Amit K Singh
Background/Objective: Human walking involves the coordination of brain, nerves, and muscles. A disturbance in their coordination may result in gait disorder. The gait disorder may be treated through manually assisted gait training or with the aid of assistive devices/robotic devices. These robotic devices involve mechanisms which are synthesized using complex conventional procedures. Therefore, in this study, a new gait-based synthesis procedure is proposed, which simplifies the mechanism synthesis and helps to develop a mechanism which can be used in rehabilitation devices, bipeds, etc...
January 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29662765/a-wearable-exoskeleton-suit-for-motion-assistance-to-paralysed-patients
#19
Bing Chen, Chun-Hao Zhong, Xuan Zhao, Hao Ma, Xiao Guan, Xi Li, Feng-Yan Liang, Jack Chun Yiu Cheng, Ling Qin, Sheung-Wai Law, Wei-Hsin Liao
Background/Objective: The number of patients paralysed due to stroke, spinal cord injury, or other related diseases is increasing. In order to improve the physical and mental health of these patients, robotic devices that can help them to regain the mobility to stand and walk are highly desirable. The aim of this study is to develop a wearable exoskeleton suit to help paralysed patients regain the ability to stand up/sit down (STS) and walk. Methods: A lower extremity exoskeleton named CUHK-EXO was developed with considerations of ergonomics, user-friendly interface, safety, and comfort...
October 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29661551/control-of-a-manipulator-robot-by-neuro-fuzzy-subsets-form-approach-control-optimized-by-the-genetic-algorithms
#20
Salim Refoufi, Khier Benmahammed
In this paper, we describe a new form of neuro-fuzzy-genetic controller design for nonlinear system derived from a manipulator robot. The proposed method combines fuzzy logic and neuronal networks which are of growing interest in robotics, the neuro-fuzzy controller does not require the knowledge of the robot parameters values. Furtheremore, the genetic algorithms (GAs) for complex motion planning of robots require an evaluation function which takes into account multiple factors. An optimizing algorithm based on the genetic algorithms is applied in order to provide the most adequate shape of the fuzzy subsets that are considered as an interpolation functions...
April 13, 2018: ISA Transactions
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