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https://www.readbyqxmd.com/read/28324959/a-robotic-exoskeleton-to-treat-crouch-gait-from-cerebral-palsy-initial-kinematic-and-neuromuscular-evaluation
#1
Zachary F Lerner, Diane L Damiano, Thomas C Bulea
A robotic exoskeleton was designed for individuals with crouch gait caused by cerebral palsy with the intent to supplement existing muscle function during walking. The aim of this study was to evaluate how powered knee extension assistance provided during stance and swing phases of the gait cycle affect knee kinematics, and knee flexor and extensor muscle activity. Muscle activity and kinematic data were collected from four individuals with crouch gait from cerebral palsy during their normal walking condition and while walking with the exoskeleton under stance, swing, and stance & swing assistance...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324951/mentor-s-brain-functional-connectivity-network-during-robotic-assisted-surgery-mentorship
#2
Somayeh B Shafiei, Scott T Doyle, Khurshid A Guru
In many complicated cognitive-motor tasks mentoring is inevitable during the learning process. Although mentors are expert in doing the task, trainee's operation might be new for a mentor. This makes mentoring a very difficult task which demands not only the knowledge and experience of a mentor, but also his/her ability to follow trainee's movements and patiently advise him/her during the operation. We hypothesize that information binding throughout the mentor's brain areas, contributed to the task, changes as the expertise level of the trainee improves from novice to intermediate and expert...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324945/a-comparative-study-of-pseudorandom-sequences-used-in-a-c-vep-based-bci-for-online-wheelchair-control
#3
Jonas Isaksen, Ali Mohebbi, Sadasivan Puthusserypady
In this study, a c-VEP based BCI system was developed to run on three distinctive pseudorandom sequences, namely the m-code, the Gold-code, and the Barker-code. The Visual Evoked Potentials (VEPs) were provoked using these codes. In the online session, subjects controlled a LEGO(®) Mindstorms(®) robot around a fixed track. Choosing the optimal code proved a significant increase in accuracy (p<;0.00001) over the average performance. No single code proved significantly more accurate than the others (p=0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324931/muscle-activity-distribution-features-extracted-from-hd-semg-to-perform-forearm-pattern-recognition
#4
F Nougarou, A Campeau-Lecours, D Massicotte, B Gosselin
An efficient pattern recognition system based exclusively on forearm surface Electromyographic (sEMG) signals is proposed to provide a more intuitive control of a robotic arm used by some of the disabled. The main contribution of this paper is the use of an original set of features characterizing the muscle activity distribution obtained with high-density sEMG (HD sEMG) sensors. Contrary to simple sEMG, HD sEMG can produce muscle activity images with spatial distributions that differ according to forearm movement...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324876/re-irradiation-of-locoregional-nsclc-recurrence-using-robotic-stereotactic-body-radiotherapy
#5
Cemile Ceylan, Andaç Hamacı, Hande Ayata, Kezban Berberoglu, Ayhan Kılıç, Metin Güden, Kayıhan Engin
No abstract text is available yet for this article.
March 9, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28324660/single-and-combination-drug-screening-with-aqueous-biphasic-tumor-spheroids
#6
Pradip Shahi Thakuri, Hossein Tavana
Spheroids of cancer cells represent a physiologic model of solid tumors for cancer drug screening. Despite this known benefit, difficulties with generating large quantities of uniformly sized spheroids in standard plates, individually addressing spheroids with drug compounds, and quantitatively analyzing responses of cancer cells have hindered the use of spheroids in high-throughput screening applications. Recently, we addressed this challenge by using an aqueous two-phase system technology to generate a spheroid within an aqueous drop immersed in a second, immiscible aqueous phase...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28324155/-robot-assisted-pancreatic-resection
#7
B Müssle, M Distler, J Weitz, T Welsch
Although robot-assisted pancreatic surgery has been considered critically in the past, it is nowadays an established standard technique in some centers, for distal pancreatectomy and pancreatic head resection. Compared with the laparoscopic approach, the use of robot-assisted surgery seems to be advantageous for acquiring the skills for pancreatic, bile duct and vascular anastomoses during pancreatic head resection and total pancreatectomy. On the other hand, the use of the robot is associated with increased costs and only highly effective and professional robotic programs in centers for pancreatic surgery will achieve top surgical and oncological quality, acceptable operation times and a reduction in duration of hospital stay...
March 21, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28323828/liquid-handling-lego-robots-and-experiments-for-stem-education-and-research
#8
Lukas C Gerber, Agnes Calasanz-Kaiser, Luke Hyman, Kateryna Voitiuk, Uday Patil, Ingmar H Riedel-Kruse
Liquid-handling robots have many applications for biotechnology and the life sciences, with increasing impact on everyday life. While playful robotics such as Lego Mindstorms significantly support education initiatives in mechatronics and programming, equivalent connections to the life sciences do not currently exist. To close this gap, we developed Lego-based pipetting robots that reliably handle liquid volumes from 1 ml down to the sub-μl range and that operate on standard laboratory plasticware, such as cuvettes and multiwell plates...
March 2017: PLoS Biology
https://www.readbyqxmd.com/read/28319493/advantages-of-robotic-right-colectomy-with-intracorporeal-anastomosis
#9
Henry J Lujan, Gustavo Plasencia, Brian X Rivera, Andres Molano, Alex Fagenson, Louis A Jane, Diego Holguin
Through retrospective review of consecutive charts, we compare the short-term and long-term clinical outcomes after robotic-assisted right colectomy with intracorporeal anastomosis (RIA) (n=89) and laparoscopic right colectomy with extracorporeal anastomosis (LEA) (n=135). Cohorts were similar in demographic characteristics, comorbidities, pathology, and perioperative outcomes (conversion, days to flatus and bowel movement, and length of hospitalization). The RIA cohort experienced statistically significant: less blood loss, shorter incision lengths, and longer specimen lengths than the LEA cohort...
March 17, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28319350/touching-the-future-three-dimensional-printing-facilitates-preoperative-planning-realistic-simulation-and-enhanced-precision-in-robot-assisted-laparoscopic-partial-nephrectomy
#10
EDITORIAL
Nicolò de Luyk, Benjamin Namdarian, Benjamin Challacombe
No abstract text is available yet for this article.
April 2017: BJU International
https://www.readbyqxmd.com/read/28319348/size-is-no-barrier-robot-assisted-partial-nephrectomy-in-patients-with-a-high-body-mass-index
#11
EDITORIAL
Benjamin Namdarian, Akshaya Rajangam, Benjamin Challacombe
No abstract text is available yet for this article.
April 2017: BJU International
https://www.readbyqxmd.com/read/28319324/future-of-robotic-surgery-in-urology
#12
Jens J Rassweiler, Riccardo Autorino, Jan Klein, Alex Mottrie, Ali Serdar Goezen, Jens-Uwe Stolzenburg, Koon H Rha, Marc Schurr, Jihad Kaouk, Vipul Patel, Prokar Dasgupta, Evangelos Liatsikos
OBJECTIVES: To provide a comprehensive overview of the current status and future perspectives in the field of robotic systems for urologic surgery. MATERIALS AND METHODS: A non-systematic literature review was performed by using PubMed / Medline search electronic engines. Existing patents for robotic devices were researched using the Google search machine. Findings were critically analyzed also by taking into account personal experience of the authors. RESULTS: Relevant patents of the first generation of the da Vinci platform will expire in 2019...
March 20, 2017: BJU International
https://www.readbyqxmd.com/read/28319150/high-throughput-transformation-of-saccharomyces-cerevisiae-using-liquid-handling-robots
#13
Guangbo Liu, Clayton Lanham, J Ross Buchan, Matthew E Kaplan
Saccharomyces cerevisiae (budding yeast) is a powerful eukaryotic model organism ideally suited to high-throughput genetic analyses, which time and again has yielded insights that further our understanding of cell biology processes conserved in humans. Lithium Acetate (LiAc) transformation of yeast with DNA for the purposes of exogenous protein expression (e.g., plasmids) or genome mutation (e.g., gene mutation, deletion, epitope tagging) is a useful and long established method. However, a reliable and optimized high throughput transformation protocol that runs almost no risk of human error has not been described in the literature...
2017: PloS One
https://www.readbyqxmd.com/read/28319025/is-robot-assisted-laparoscopic-bilateral-extravesical-ureteral-reimplantation-associated-with-greater-morbidity-than-unilateral-surgery-a-comparative-analysis
#14
Arun K Srinivasan, Daniel Maass, Dhiren Shrivastava, Christopher J Long, Aseem R Shukla
INTRODUCTION: Voiding dysfunction after bilateral extravesical ureteral reimplantation for vesicoureteral reflux has long remained a concern. Robotic approach with improved visualization that enables focused and minimal dissection may help with this concern. OBJECTIVES: To compare postoperative outcomes after bilateral robot-assisted laparoscopic ureteral reimplantation to unilateral robot-assisted laparoscopic ureteral reimplantation. STUDY DESIGN: This was a retrospective study using data abstracted from an institutional review board-approved registry prospectively maintained at our institution since 2012...
March 6, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28318968/improved-glottic-exposure-for-robotic-microlaryngeal-surgery-a-case-series
#15
Dehra A McGuire, Jennifer P Rodney, Nilesh R Vasan
Robotic surgery has become the standard of care for many procedures outside of otolaryngology and now is gaining momentum within our specialty. The da Vinci (Intuitive Surgical, Sunnyvale, CA) robot has several advantages to human hands, including removal of tremor and better access to lesions because of increased degree of movement of the articulated instruments. The glottis has rarely been addressed using robotic surgery because access was previously thought to be difficult because of the limitations of currently used retractors, which include poor base of tongue and oral commissure retraction resulting in lack of exposure of the glottis in many patients and lack of space for the robotic instruments to occupy...
March 17, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28318903/understanding-human-intention-by-connecting-perception-and-action-learning-in-artificial-agents
#16
Sangwook Kim, Zhibin Yu, Minho Lee
To develop an advanced human-robot interaction system, it is important to first understand how human beings learn to perceive, think, and act in an ever-changing world. In this paper, we propose an intention understanding system that uses an Object Augmented-Supervised Multiple Timescale Recurrent Neural Network (OA-SMTRNN) and demonstrate the effects of perception-action connected learning in an artificial agent, which is inspired by psychological and neurological phenomena in humans. We believe that action and perception are not isolated processes in human mental development, and argue that these psychological and neurological interactions can be replicated in a human-machine scenario...
February 11, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28318816/use-of-electromyography-to-optimize-lokomat-%C3%A2-settings-for-subject-specific-gait-rehabilitation-in-post-stroke-hemiparetic-patients-a-proof-of-concept-study
#17
Yosra Cherni, Mickael Begon, Hicham Chababe, Florent Moissenet
OBJECTIVES: While generic protocols exist for gait rehabilitation using robotic orthotics such as the Lokomat(®), several settings - guidance, body-weight support (BWS) and velocity - may be adjusted to individualize patient training. However, no systematic approach has yet emerged. Our objective was to assess the feasibility and effects of a systematic approach based on electromyography to determine subject-specific settings with application to the strengthening of the gluteus maximus muscle in post-stroke hemiparetic patients...
March 16, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28317657/standardizing-terminology-for-minimally-invasive-pancreatic-resection
#18
Andre L Montagnini, Bård I Røsok, Horacio J Asbun, Jeffrey Barkun, Marc G Besselink, Ugo Boggi, Kevin C P Conlon, Abe Fingerhut, Ho-Seong Han, Paul D Hansen, Melissa E Hogg, Michael L Kendrick, Chinnusamy Palanivelu, Shailesh V Shrikhande, Go Wakabayashi, Herbert Zeh, Charles M Vollmer, David A Kooby
BACKGROUND: There is a growing body of literature pertaining to minimally invasive pancreatic resection (MIPR). Heterogeneity in MIPR terminology, leads to confusion and inconsistency. The Organizing Committee of the State of the Art Conference on MIPR collaborated to standardize MIPR terminology. METHODS: After formal literature review for "minimally invasive pancreatic surgery" term, key terminology elements were identified. A questionnaire was created assessing the type of resection, the approach, completion, and conversion...
March 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28317582/robotic-right-hemicolectomy-analysis-of-108-consecutive-procedures-and-multidimensional-assessment-of-the-learning-curve
#19
Amilcare Parisi, Luca Scrucca, Jacopo Desiderio, Alessandro Gemini, Salvatore Guarino, Francesco Ricci, Roberto Cirocchi, Giorgio Palazzini, Vito D'Andrea, Liliana Minelli, Stefano Trastulli
PURPOSE: Surgeons tend to view the robotic right colectomy (RRC) as an ideal beginning procedure to gain proficiency in robotic general and colorectal surgery. Nevertheless, oncological RRC, especially if performed with intracorporeal ileocolic anastomosis confectioning, cannot be considered a technically easier procedure. The aim of this study was to assess the learning curve of the RRC performed for oncological purposes and to evaluate its safety and efficacy investigating the perioperative and pathology outcomes in the different learning phases...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28316957/the-evolution-of-computer-assisted-total-hip-arthroplasty-and-relevant-applications
#20
EDITORIAL
Jun-Dong Chang, In-Sung Kim, Atul M Bhardwaj, Ramachandra N Badami
In total hip arthroplasty (THA), the accurate positioning of implants is the key to achieve a good clinical outcome. Computer-assisted orthopaedic surgery (CAOS) has been developed for more accurate positioning of implants during the THA. There are passive, semi-active, and active systems in CAOS for THA. Navigation is a passive system that only provides information and guidance to the surgeon. There are 3 types of navigation: imageless navigation, computed tomography (CT)-based navigation, and fluoroscopy-based navigation...
March 2017: Hip & Pelvis
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