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https://www.readbyqxmd.com/read/28291492/telesurgery-with-miniature-robots-to-leverage-surgical-expertise-in-distributed-expeditionary-environments
#1
Mark Reichenbach, Tom Frederick, Lou Cubrich, Walter Bircher, Nathan Bills, Marsha Morien, Shane Farritor, Dmitry Oleynikov
This study aimed to evaluate the capability of performing telesurgery via radio transmission for military arenas where wired internet connections may not be practical. Most existing robotic surgery systems are too large to effectively deploy with first responders. The miniature surgical platform in this study consists of a multifunctional robot suite that can fit easily into a briefcase. METHODS: The focus of this study is to explore the implications of radio control of the robot. The hypothesis is that an in vivo robot and its control boards can be controlled using off-the-shelf wireless components...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28273618/batch-settling-curve-registration-via-image-data-modeling
#2
Nicolas Derlon, Christian Thürlimann, David Dürrenmatt, Kris Villez
To this day, obtaining reliable characterization of sludge settling properties remains a challenging and time-consuming task. Without such assessments however, optimal design and operation of secondary settling tanks is challenging and conservative approaches will remain necessary. With this study, we show that automated sludge blanket height registration and zone settling velocity estimation is possible thanks to analysis of images taken during batch settling experiments. The experimental setup is particularly interesting for practical applications as it consists of off-the-shelf components only, no moving parts are required, and the software is released publicly...
January 27, 2017: Water Research
https://www.readbyqxmd.com/read/28269421/hardware-design-for-a-cable-free-fully-insertable-wireless-laparoscopic-robotic-camera
#3
Ning Li, Gregory J Mancini, Jindong Tan
The field of insertable laparoscopic robotic camera is gaining increasing attentions from researchers, surgeons, and also patients. Although many insertable laparoscope prototypes have been introduced, few of them get rid of the encumbrance tethering cable. In this paper, we proposed a hardware architecture for a magnetic actuated robotic surgical (MARS) camera, which facilitates a cable-free fully insertable laparoscopic surgical robotic camera with adequate in-vivo mobility. Modular design and preliminary test of on-board functional payloads have shown feasibility of a cable-free insertable wireless laparoscopic surgical camera based on off-the-shelf electronics and industrial wireless standards operating in ISM frequency bands at 2...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268806/mechanism-for-safe-remote-activation-of-networked-surgical-and-poc-devices-using-dynamic-assignable-controls
#4
Martin Kasparick, Max Rockstroh, Stefan Schlichting, Frank Golatowski, Dirk Timmermann
The number of devices within an operating room (OR) increases continuously as well as the complexity of the complete system. One key enabler to handle the complexity is an interoperable and vendor independent system of networked medical devices. To build up such an interoperable system we use the proposed IEEE 11073 SDC standards (IEEE P11073-10207, -20701, -20702) for networked point-of-care (PoC) and surgical devices. One of the major problems within the OR is that typically every device has its own control unit...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28261757/physical-function-quality-of-life-and-energy-expenditure-during-activities-of-daily-living-in-obese-post-bariatric-surgery-and-healthy-subjects
#5
Fabiane Monteiro, Diego A N Ponce, Humberto Silva, Fabio Pitta, Alexandre J F Carrilho
OBJECTIVES: This study aimed to evaluate physical function (PF), quality of life (QOL), and energy expenditure (EE) during activities of daily living (ADL) in late outcome post-bariatric surgery (BS) patients and to compare them to severe obese individuals and matched controls. METHODS: Sixty-three subjects were included: 21 patients in post-operative (PO) of BS (3-4 years post-Roux-en-Y gastric bypass) with a stable weight for at least 6 months (16 women, 41 ± 11 years old, BMI = 28 ± 4 kg m(-2)) (group PO); 21 obese individuals with BS indication (16 women, 44 ± 9 years old, BMI = 44 ± 6 kg m(-2)) (group OB); and 21 controls matched to PO by gender, age, and BMI (16 women, 42 ± 12 years old, BMI = 27 ± 6 kg m(-2)) (group MC)...
March 6, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28258933/contemporary-review-of-grafting-techniques-for-the-surgical-treatment-of-peyronie-s-disease
#6
REVIEW
Georgios Hatzichristodoulou, Daniar Osmonov, Hubert Kübler, Wayne J G Hellstrom, Faysal A Yafi
INTRODUCTION: Peyronie's disease (PD) is a benign fibrotic disorder of the tunica albuginea of the penis, which can cause penile pain, curvature, shortening, erectile dysfunction, and psychological distress. Surgery is indicated when penile curvature prevents satisfactory sexual intercourse. Plaque incision or excision with grafting has been suggested as an option in patients with a penile curvature greater than 60°, a shortened penis, and/or an hourglass or complex deformity. AIM: To provide an overview of recent studies reporting outcomes of grafting techniques and to report advances in the development of new grafting materials for PD surgery...
February 28, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28249488/a-cmos-application-specified-integrated-circuit-for-40-ghz-high-electron-mobility-transistors-automatic-biasing
#7
M De Matteis, M De Blasi, E A Vallicelli, M Zannoni, M Gervasi, A Bau, A Passerini, A Baschirotto
This paper presents the design and the experimental results of a CMOS Automatic Control System (ACS) for the biasing of High-Electron-Mobility-Transistors (HEMT). The ACS is the first low-power mixed-signal Application-Specified-Integrated-Circuit (ASIC) able to automatically set and regulate the operating point of an off-chip 6 HEMT Low-Noise-Amplifiers (LNAs), hence it composes a two-chip system (the ACS+LNAs) to be used in the Large Scale Polarization Explorer (LSPE) stratospheric balloon for Cosmic Microwave Background (CMB) signal observation...
February 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28248982/a-dual-pathways-transfer-model-to-account-for-changes-in-the-radioactive-caesium-level-in-demersal-and-pelagic-fish-after-the-fukushima-da%C3%A3-ichi-nuclear-power-plant-accident
#8
Bruno Fiévet, Pascal Bailly-du-Bois, Philippe Laguionie, Mehdi Morillon, Mireille Arnaud, Pascal Cunin
The Fukushima Daï-ichi nuclear power plant (FDNPP) accident resulted in radioactive Cs being discharged into the local marine environment. While Cs bioaccumulates in biota and slowly depurates, the Cs concentrated in biota constitutes a source of Cs for animals feeding on each other. The marine biota therefore serves as a pool that recycles Cs, and this recycling process delays depuration in the fish feeding on this biota pool. Because the continental shelf is squeezed between the coast and very deep sea, the demersal marine species are confined to a narrow strip along the coast, close to the source of the radioactive input...
2017: PloS One
https://www.readbyqxmd.com/read/28227665/hardware-design-for-a-cable-free-fully-insertable-wireless-laparoscopic-robotic-camera
#9
Ning Li, Gregory J Mancini, Jindong Tan, Ning Li, Gregory J Mancini, Jindong Tan, Gregory J Mancini, Ning Li, Jindong Tan
The field of insertable laparoscopic robotic camera is gaining increasing attentions from researchers, surgeons, and also patients. Although many insertable laparoscope prototypes have been introduced, few of them get rid of the encumbrance tethering cable. In this paper, we proposed a hardware architecture for a magnetic actuated robotic surgical (MARS) camera, which facilitates a cable-free fully insertable laparoscopic surgical robotic camera with adequate in-vivo mobility. Modular design and preliminary test of on-board functional payloads have shown feasibility of a cable-free insertable wireless laparoscopic surgical camera based on off-the-shelf electronics and industrial wireless standards operating in ISM frequency bands at 2...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227001/mechanism-for-safe-remote-activation-of-networked-surgical-and-poc-devices-using-dynamic-assignable-controls
#10
Martin Kasparick, Max Rockstroh, Stefan Schlichting, Frank Golatowski, Dirk Timmermann, Martin Kasparick, Max Rockstroh, Stefan Schlichting, Frank Golatowski, Dirk Timmermann, Stefan Schlichting, Martin Kasparick, Max Rockstroh, Frank Golatowski, Dirk Timmermann
The number of devices within an operating room (OR) increases continuously as well as the complexity of the complete system. One key enabler to handle the complexity is an interoperable and vendor independent system of networked medical devices. To build up such an interoperable system we use the proposed IEEE 11073 SDC standards (IEEE P11073-10207, -20701, -20702) for networked point-of-care (PoC) and surgical devices. One of the major problems within the OR is that typically every device has its own control unit...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28221951/time-temperature-profiling-of-united-kingdom-consumers-domestic-refrigerators
#11
Ellen W Evans, Elizabeth C Redmond
Increased consumer demand for convenience and ready-to-eat food, along with changes to consumer food purchase and storage practices, have resulted in an increased reliance on refrigeration to maximize food safety. Previous research suggests that many domestic refrigerators operate at temperatures exceeding recommendations; however, the results of several studies were determined by means of one temperature data point, which, given temperature fluctuation, may not be a true indicator of actual continual operating temperatures...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28199931/a-personalized-3d-printed-prosthetic-joint-replacement-for-the-human-temporomandibular-joint-from-implant-design-to-implantation
#12
David C Ackland, Dale Robinson, Michael Redhead, Peter Vee Sin Lee, Adrian Moskaljuk, George Dimitroulis
Personalized prosthetic joint replacements have important applications in cases of complex bone and joint conditions where the shape and size of off-the-shelf components may not be adequate. The objective of this study was to design, test and fabricate a personalized 3D-printed prosthesis for a patient requiring total joint replacement surgery of the temporomandibular joint (TMJ). The new 'Melbourne' prosthetic TMJ design featured a condylar component sized specifically to the patient and fixation screw positions that avoid potential intra-operative damage to the mandibular nerve...
February 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28161566/monocentric-evaluation-of-chimney-versus-fenestrated-endovascular-aortic-repair-for-juxtarenal-abdominal-aortic-aneurysm
#13
Caroline Caradu, Julien Morin, Mathieu Poirier, Dominique Midy, Eric Ducasse
BACKGROUND: With approval of on-label fenestrated (F-) endovascular aortic repair (EVAR), concerns regarding long-term patency and endoleaks (ELs) after chimney graft (CG)-EVAR were raised. To add supportive data on the value of this technique, we chose to report the midterm results of CG-EVAR in a single center with standardized methods and to compare them to F-EVAR. METHODS: A retrospective analysis of prospectively gathered data from January 2010 to January 2015 was conducted, and patients with excessive comorbidities for open repair treated by CG-EVAR or F-EVAR were included...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28150700/isfet-ph-sensitivity-counter-ions-play-a-key-role
#14
Kokab B Parizi, Xiaoqing Xu, Ashish Pal, Xiaolin Hu, H S Philip Wong
The Field Effect sensors are broadly used for detecting various target analytes in chemical and biological solutions. We report the conditions under which the pH sensitivity of an Ion Sensitive Field Effect transistor (ISFET) sensor can be significantly enhanced. Our theory and simulations show that by using pH buffer solutions containing counter-ions that are beyond a specific size, the sensor shows significantly higher sensitivity which can exceed the Nernst limit. We validate the theory by measuring the pH response of an extended gate ISFET pH sensor...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28122044/enhanced-nitrogen-loss-by-eddy-induced-vertical-transport-in-the-offshore-peruvian-oxygen-minimum-zone
#15
Cameron M Callbeck, Gaute Lavik, Lothar Stramma, Marcel M M Kuypers, Laura A Bristow
The eastern tropical South Pacific (ETSP) upwelling region is one of the ocean's largest sinks of fixed nitrogen, which is lost as N2 via the anaerobic processes of anammox and denitrification. One-third of nitrogen loss occurs in productive shelf waters stimulated by organic matter export as a result of eastern boundary upwelling. Offshore, nitrogen loss rates are lower, but due to its sheer size this area accounts for ~70% of ETSP nitrogen loss. How nitrogen loss and primary production are regulated in the offshore ETSP region where coastal upwelling is less influential remains unclear...
2017: PloS One
https://www.readbyqxmd.com/read/28115801/review-of-treatment-for-thoracoabdominal-aortic-aneurysm-and-the-modern-experience-of-multi-branched-endograft-in-taiwan
#16
REVIEW
Ting Chao Lin, Chun Che Shih
Thoracoabdominal aortic aneurysm (TAAA) is a complicated aortic disease. Most treatments for other aortic aneurysms have already shifted from conventional open surgery to endovascular operation; but for TAAA, open surgery remains the gold standard treatment. Several alternative treatments such as hybrid operation as well as endovascular techniques are utilized for the treatment of TAAA. Some of the procedures combine off-the-shelf devices such as the chimney procedure. Some other procedures required custom-made specialized stent grafts...
January 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/28098772/a-non-intrusive-cyber-physical-social-sensing-solution-to-people-behavior-tracking-mechanism-prototype-and-field-experiments
#17
Yunjian Jia, Zhenyu Zhou, Fei Chen, Peng Duan, Zhen Guo, Shahid Mumtaz
Tracking people's behaviors is a main category of cyber physical social sensing (CPSS)-related people-centric applications. Most tracking methods utilize camera networks or sensors built into mobile devices such as global positioning system (GPS) and Bluetooth. In this article, we propose a non-intrusive wireless fidelity (Wi-Fi)-based tracking method. To show the feasibility, we target tracking people's access behaviors in Wi-Fi networks, which has drawn a lot of interest from the academy and industry recently...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28073449/harmful-algal-bloom-forecast-system-for-sw-ireland-part-ii-are-operational-oceanographic-models-useful-in-a-hab-warning-system
#18
Caroline Cusack, Tomasz Dabrowski, Kieran Lyons, Alan Berry, Guy Westbrook, Rafael Salas, Conor Duffy, Glenn Nolan, Joe Silke
This study investigated the application of a three-dimensional physical hydrodynamic model in a harmful algal bloom forecast system for Bantry Bay, southwest Ireland. Modelled oceanographic conditions were studied and used to help understand observed changes in the chemical and biological patterns from the national biotoxins and phytoplankton monitoring program. The study focused on two toxic events in 2013. An upwelling event was predicted by the model prior to the appearance and population increase of potentially toxic diatoms, Pseudo-nitzschia, and associated domoic acid in shellfish...
March 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073438/individual-based-modelling-of-the-development-and-transport-of-a-karenia-mikimotoi-bloom-on-the-north-west-european-continental-shelf
#19
P A Gillibrand, B Siemering, P I Miller, K Davidson
In 2006, a large and prolonged bloom of the dinoflagellate Karenia mikimotoi occurred in Scottish coastal waters, causing extensive mortalities of benthic organisms including annelids and molluscs and some species of fish (Davidson et al., 2009). A coupled hydrodynamic-algal transport model was developed to track the progression of the bloom around the Scottish coast during June-September 2006 and hence investigate the processes controlling the bloom dynamics. Within this individual-based model, cells were capable of growth, mortality and phototaxis and were transported by physical processes of advection and turbulent diffusion, using current velocities extracted from operational simulations of the MRCS ocean circulation model of the North-west European continental shelf...
March 2016: Harmful Algae
https://www.readbyqxmd.com/read/28062450/the-structural-bioinformatics-library-modeling-in-biomolecular-science-and-beyond
#20
Frédéric Cazals, Tom Dreyfus
MOTIVATION: Software in structural bioinformatics has mainly been application driven. To favor practitioners seeking off-the-shelf applications, but also developers seeking advanced building blocks to develop novel applications, we undertook the design of the Structural Bioinformatics Library (SBL, http://sbl.inria.fr), a generic C ++/python cross-platform software library targeting complex problems in structural bioinformatics. Its tenet is based on a modular design offering a rich and versatile framework allowing the development of novel applications requiring well specified complex operations, without compromising robustness and performances...
January 5, 2017: Bioinformatics
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