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https://www.readbyqxmd.com/read/29444354/clothing-as-a-transport-vector-for-airborne-particles-chamber-study
#1
Dusan Licina, William W Nazaroff
Strong evidence suggests that clothing serves as a reservoir of chemical pollutants and particles, including bioaerosols, which may have health significance. However, little is known about the role that clothing may play as a transport vector for inhaled airborne particles. Here we contribute toward bridging the knowledge gap by conducting experiments to investigate clothing release fraction (CRF), determined as the size-dependent ratio of released to deposited particulate matter in the diameter range 0.5-10 μm...
February 14, 2018: Indoor Air
https://www.readbyqxmd.com/read/29444172/motor-and-psychosocial-impact-of-robot-assisted-gait-training-in-a-real-world-rehabilitation-setting-a-pilot-study
#2
Cira Fundarò, Anna Giardini, Roberto Maestri, Silvia Traversoni, Michelangelo Bartolo, Roberto Casale
In the last decade robotic devices have been applied in rehabilitation to overcome walking disability in neurologic diseases with promising results. Robot assisted gait training (RAGT) using the Lokomat seems not only to improve gait parameters but also the perception of well-being. Data on the psychosocial patient-robot impact are limited, in particular in the real-world of RAGT, in the rehabilitation setting. During rehabilitation training, the Lokomat can be considered an "assistive device for movement"...
2018: PloS One
https://www.readbyqxmd.com/read/29443916/mexican-hat-like-response-in-a-flexible-tactile-sensor-using-a-magnetorheological-elastomer
#3
Takumi Kawasetsu, Takato Horii, Hisashi Ishihara, Minoru Asada
A significant challenge in robotics is providing a sense of touch to robots. Even though several types of flexible tactile sensors have been proposed, they still have various technical issues such as a large amount of deformation that fractures the sensing elements, a poor maintainability and a deterioration in the sensitivity caused by the presence of a thick and soft covering. As one solution for these issues, we proposed a flexible tactile sensor composed of a magnet, magnetic transducer and dual-layer elastomer, which consists of a magnetorheological and nonmagnetic elastomer sheet...
February 14, 2018: Sensors
https://www.readbyqxmd.com/read/29443906/a-single-rf-emitter-based-indoor-navigation-method-for-autonomous-service-robots
#4
Tyrone Sherwin, Mikala Easte, Andrew Tzer-Yeu Chen, Kevin I-Kai Wang, Wenbin Dai
Location-aware services are one of the key elements of modern intelligent applications. Numerous real-world applications such as factory automation, indoor delivery, and even search and rescue scenarios require autonomous robots to have the ability to navigate in an unknown environment and reach mobile targets with minimal or no prior infrastructure deployment. This research investigates and proposes a novel approach of dynamic target localisation using a single RF emitter, which will be used as the basis of allowing autonomous robots to navigate towards and reach a target...
February 14, 2018: Sensors
https://www.readbyqxmd.com/read/29443897/structured-kernel-subspace-learning-for-autonomous-robot-navigation
#5
Eunwoo Kim, Sungjoon Choi, Songhwai Oh
This paper considers two important problems for autonomous robot navigation in a dynamic environment, where the goal is to predict pedestrian motion and control a robot with the prediction for safe navigation. While there are several methods for predicting the motion of a pedestrian and controlling a robot to avoid incoming pedestrians, it is still difficult to safely navigate in a dynamic environment due to challenges, such as the varying quality and complexity of training data with unwanted noises. This paper addresses these challenges simultaneously by proposing a robust kernel subspace learning algorithm based on the recent advances in nuclear-norm and l 1 -norm minimization...
February 14, 2018: Sensors
https://www.readbyqxmd.com/read/29443817/robotic-transthoracic-primary-repair-of-a-diaphragmatic-hernia-and-reduction-of-an-intrathoracic-liver
#6
Sarah J Counts, Areo G Saffarzadeh, Justin D Blasberg, Anthony W Kim
This case involves a 70-year-old woman who presented after a low-speed motor vehicle collision with a traumatic right hemidiaphragm rupture and herniation of the liver into the right chest. She was brought to the operating room for a robotic-assisted minimally invasive transthoracic repair of this hernia with diaphragm plication. The case and video described in this report highlight the utility of the robotic platform in performing a transthoracic diaphragm repair and plication after a right-sided traumatic diaphragm rupture in a patient without concomitant abdominal injuries...
February 13, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29443740/clinical-outcomes-of-left-main-coronary-artery-disease-patients-undergoing-three-different-revascularization-approaches
#7
Chieh-Shou Su, Yu-Wei Chen, Ching-Hui Shen, Tsun-Jui Liu, Yen Chang, Wen-Lieng Lee
Significant unprotected left main (LM) coronary artery disease is frequently associated with severe multivessel disease and increased mortality and morbidity compared with non-LM coronary artery disease. This study compared the clinical outcomes of patients with LM disease who received percutaneous coronary intervention (PCI) with stenting, conventional coronary-artery bypass grafting (C-CABG), and robot-assisted CABG (R-CABG).This retrospective study analyzed 472 consecutive LM disease patients who underwent three different revascularization approaches at a tertiary medical center between January 2005 and November 2013...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29443430/small-scale-machines-driven-by-external-power-sources
#8
REVIEW
Xiang-Zhong Chen, Bumjin Jang, Daniel Ahmed, Chengzhi Hu, Carmela De Marco, Marcus Hoop, Fajer Mushtaq, Bradley J Nelson, Salvador Pané
Micro- and nanorobots have shown great potential for applications in various fields, including minimally invasive surgery, targeted therapy, cell manipulation, environmental monitoring, and water remediation. Recent progress in the design, fabrication, and operation of these miniaturized devices has greatly enhanced their versatility. In this report, the most recent progress on the manipulation of small-scale robots based on power sources, such as magnetic fields, light, acoustic waves, electric fields, thermal energy, or combinations of these, is surveyed...
February 14, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29442518/large-area-high-performance-flexible-pressure-sensor-with-carbon-nanotube-active-matrix-for-electronic-skin
#9
Luca Nela, Jianshi Tang, Qing Cao, George S Tulevski, Shu-Jen Han
Artificial "electronic skin" is of great interest for mimicking the functionality of human skin, such as tactile pressure sensing. Several important performance metrics include mechanical flexibility, operation voltage, sensitivity and accuracy, as well as response speed. In this paper, we demonstrate a large-area high-performance flexible pressure sensor built on an active matrix of 16×16 carbon nanotube thin-film transistors (CNT TFTs). Made from highly-purified solution tubes, the active matrix exhibits superior flexible TFT performance with high mobility and large current density, along with a high device yield of nearly 99% over 4-inch sample area...
February 14, 2018: Nano Letters
https://www.readbyqxmd.com/read/29442240/review-of-emerging-surgical-robotic-technology
#10
REVIEW
Brian S Peters, Priscila R Armijo, Crystal Krause, Songita A Choudhury, Dmitry Oleynikov
BACKGROUND: The use of laparoscopic and robotic procedures has increased in general surgery. Minimally invasive robotic surgery has made tremendous progress in a relatively short period of time, realizing improvements for both the patient and surgeon. This has led to an increase in the use and development of robotic devices and platforms for general surgery. The purpose of this review is to explore current and emerging surgical robotic technologies in a growing and dynamic environment of research and development...
February 13, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29442156/ventral-rectopexy-with-biological-mesh-short-term-functional-results
#11
M Brunner, H Roth, K Günther, R Grützmann, K E Matzel
PURPOSE: Ventral mesh rectopexy (VMR) is an established, minimally invasive, nerve-sparing procedure for the treatment of various symptomatic morphological changes in the posterior pelvic compartment. We present the short-term functional outcome and patient satisfaction after laparoscopic and robotic VMR with biological mesh. METHODS: We analyzed data from 123 patients who underwent laparoscopic ventral mesh rectopexy (LVMR) or robotic ventral mesh rectopexy (RVMR) from August 2012 to January 2017...
February 13, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29441475/robot-assisted-distal-gastrectomy-with-lymph-node-dissection-for-gastric-cancer-in-a-patient-with-situs-inversus-partialis-a-case-report-with-video-file
#12
Yuki Aisu, Yoshio Kadokawa, Shigeru Kato, Daiki Yasukawa, Yusuke Kimura, Tomohide Hori
BACKGROUND: Situs inversus is a rare congenital condition that is currently classified into two types: complete situs inversus (situs inversus totalis, SIT) and partial situs inversus (situs inversus partialis, SIP). In SIP patients, some organs are inverted and others are in their expected position, and individual patient variation in organ position increases surgical difficulty. Several surgeons have performed laparoscopic or robotic surgeries in situs inversus patients, but almost all were SIT patients...
February 13, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29441337/a-novel-robotic-right-colectomy-for-colon-cancer-via-the-suprapubic-approach-using-the-da-vinci-xi-system-initial-clinical-experience
#13
Hee Jae Lee, Gyu-Seog Choi, Jun Seok Park, Soo Yeun Park, Hye Jin Kim, In Teak Woo, In Kyu Park
Purpose: We developed a technique of totally-robotic right colectomy with D3 lymphadenectomy and intracorporeal anastomosis via a suprapubic transverse linear port. This article aimed to introduce our novel robotic surgical technique and assess the short-term outcomes in a series of five patients. Methods: All colectomies were performed using the da Vinci Xi system. Four robot trocars were placed transversely in the supra pubic area. Totally-robotic right colectomy was performed, including colonic mobilization, D3 lymphadenectomy, and intra corporeal stapled functional anastomosis...
February 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29441039/metastatic-burned-out-seminoma-causing-neurological-paraneoplastic-syndrome-not-quite-burned-out
#14
Yuval Freifeld, Payal Kapur, Ritika Chitkara, Francesca Lee, Pravin Khemani, Aditya Bagrodia
A 44-year-old man presented with cerebellar ataxia and limbic encephalitis and was ultimately diagnosed with metastatic germ cell neoplasm resulting from a "burned out" primary testicular tumor. The patient had progressive ataxia, leading to a thorough investigation for infectious, autoimmune, metabolic, and malignant causes of acquired cerebellar ataxia that revealed no significant findings. Testicular sonography demonstrated a possible right testicular lesion that was not confirmed on radical inguinal orchiectomy...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29440957/outcomes-of-robotic-assisted-radical-prostatectomy-for-patients-in-two-extreme-age-groups-50-years-vs-65-years
#15
Radu-Tudor Coman, Nicolae Crisan, Iulia Andras, Gabriela Bud, Deliu-Victor Matei, Ottavio DE Cobelli, Ioan Coman, Ioan-Stelian Bocsan
Background and aims: To assess the outcomes of robotic radical prostatectomy in two different age subgroups of pre-operatively potent patients: younger than 50 years and older than 65 years. Methods: We included in the present study a number of 202 patients with prostate cancer divided into two groups: 99 patients older than 65 years (group 1) and 103 patients younger than 50 years (group 2). Results: More than half of the younger patients were low-risk vs 57% of the older patients who were high-risk...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29440943/state-of-the-art-of-robotic-surgery-related-to-vision-brain-and-eye-applications-of-newly-available-devices
#16
REVIEW
Raffaele Nuzzi, Luca Brusasco
Background: Robot-assisted surgery has revolutionized many surgical subspecialties, mainly where procedures have to be performed in confined, difficult to visualize spaces. Despite advances in general surgery and neurosurgery, in vivo application of robotics to ocular surgery is still in its infancy, owing to the particular complexities of microsurgery. The use of robotic assistance and feedback guidance on surgical maneuvers could improve the technical performance of expert surgeons during the initial phase of the learning curve...
2018: Eye and Brain
https://www.readbyqxmd.com/read/29440212/scoping-review-on-the-use-of-socially-assistive-robot-technology-in-elderly-care
#17
Jordan Abdi, Ahmed Al-Hindawi, Tiffany Ng, Marcela P Vizcaychipi
OBJECTIVE: With an elderly population that is set to more than double by 2050 worldwide, there will be an increased demand for elderly care. This poses several impediments in the delivery of high-quality health and social care. Socially assistive robot (SAR) technology could assume new roles in health and social care to meet this higher demand. This review qualitatively examines the literature on the use of SAR in elderly care and aims to establish the roles this technology may play in the future...
February 12, 2018: BMJ Open
https://www.readbyqxmd.com/read/29440135/biomechanics-of-omnidirectional-strikes-in-flat-spiders
#18
Yu Zeng, Sarah Crews
Many ambush predators attack prey using rapid strikes, but these strikes are typically only anteriorly directed. However, a predator may attack laterally- and posteriorly-oriented prey if it can couple the strikes with rapid body reorientation. Here, we examined omnidirectional strikes in flattie spiders (Selenopidae), a group of sit-and-wait ambush predators found on open surfaces. These spiders attack prey throughout their entire peripheral range using rapid strikes that consist of rapid translation and rotation toward the prey...
February 12, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29440057/the-role-of-robotics-in-colorectal-surgery
#19
REVIEW
Christina L Cheng, Craig Rezac
Studies of laparoscopic approaches in colorectal surgery support the use of such methods. Compared with the open approach, laparoscopy reduces rates of postoperative complications and decreases length of stay, while providing equivalent oncologic outcomes. Nevertheless, much of colorectal surgery is still being performed by the open approach. This may be partly due to the technical challenges in performing laparoscopy, particularly when working in narrow spaces such as the pelvis. Moreover, some of the current literature has questioned the oncologic outcomes after laparoscopic surgery for rectal cancer...
February 12, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29439942/using-robots-at-home-to-support-patients-with-chronic-obstructive-pulmonary-disease-pilot-randomized-controlled-trial
#20
Elizabeth Broadbent, Jeff Garrett, Nicola Jepsen, Vickie Li Ogilvie, Ho Seok Ahn, Hayley Robinson, Kathryn Peri, Ngaire Kerse, Paul Rouse, Avinesh Pillai, Bruce MacDonald
BACKGROUND: Socially assistive robots are being developed for patients to help manage chronic health conditions such as chronic obstructive pulmonary disease (COPD). Adherence to medication and availability of rehabilitation are suboptimal in this patient group, which increases the risk of hospitalization. OBJECTIVE: This pilot study aimed to investigate the effectiveness of a robot delivering telehealth care to increase adherence to medication and home rehabilitation, improve quality of life, and reduce hospital readmission compared with a standard care control group...
February 13, 2018: Journal of Medical Internet Research
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