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221. Optimal directional volatile transport in retronasal olfaction Full Text available with Trip Pro

into the lung. To study the differences between retronasal and orthonasal flow, we obtained computed tomography (CT) images of the orthonasal airway from a healthy human subject, printed an experimental model using a 3D printer, and analyzed the flow field inside the airway. The results show that, during inhalation, the anatomical structure of the oropharynx creates an air curtain outside a virtual cavity connecting the oropharynx and the back of the mouth, which prevents food volatiles from being

2015 Proceedings of the National Academy of Sciences of the United States of America

222. Determination of Bleb Capsule Porosity With an Experimental Glaucoma Drainage Device and Measurement System. Full Text available with Trip Pro

. Testing was performed on 22 adult New Zealand white rabbits that received the experimental GDD or an existing GDD.A new experimental GDD, the Center for Eye Research Australia (CERA) implant, was created using computer-aided design and a 3-dimensional printer. The CERA GDDs were implanted in the eyes of rabbits randomized into 1 of the following 3 groups: with no connection to the anterior chamber (n = 7), with connection to the anterior chamber for 1 week (n = 5), and with connection to the anterior

2015 JAMA ophthalmology

223. Diagnostic Performance of an Advanced Modeled Iterative Reconstruction Algorithm for Low-Contrast Detectability with a Third-Generation Dual-Source Multidetector CT Scanner: Potential for Radiation Dose Reduction in a Multireader Study. Full Text available with Trip Pro

multidetector computed tomography (CT) scanner.A proprietary phantom with a range of low-contrast cylindrical objects, representing five contrast levels (range, 5-20 HU) and three sizes (range, 2-6 mm) was fabricated with a three-dimensional printer and imaged with a third-generation dual-source CT scanner at various radiation dose index levels (range, 0.74-5.8 mGy). Image data sets were reconstructed by using different section thicknesses (range, 0.6-5.0 mm) and reconstruction algorithms (filtered back

2015 Radiology

224. Rapid prototyping and stereolithography in dentistry Full Text available with Trip Pro

) process has been developed. To transform a virtual file into a real object, CAM operates using a machine connected to a computer, similar to a printer or peripheral device. In 1987, Brix and Lambrecht used, for the first time, a prototype in health care. It was a three-dimensional model manufactured using a computer numerical control device, a type of machine that was the predecessor of RP. In 1991, human anatomy models produced with a technology called stereolithography were first used (...) production. Prototypes may also be used for specific or restricted purposes, in which case they are usually called a preseries model. With the development of information technology, three-dimensional models can be devised and built based on virtual prototypes. Computers can now be used to create accurately detailed projects that can be assessed from different perspectives in a process known as computer aided design (CAD). To materialize virtual objects using CAD, a computer aided manufacture (CAM

2015 Journal of pharmacy & bioallied sciences

225. Verification of Accuracy of CyberKnife Tumor-tracking Radiation Therapy Using Patient-specific Lung Phantoms. (Abstract)

Verification of Accuracy of CyberKnife Tumor-tracking Radiation Therapy Using Patient-specific Lung Phantoms. To investigate the accuracy of the CyberKnife Xsight Lung Tracking System (XLTS) compared with that of a fiducial-based target tracking system (FTTS) using patient-specific lung phantoms.Three-dimensional printing technology was used to make individualized lung phantoms that closely mimicked the lung anatomy of actual patients. Based on planning computed tomographic data from 6 lung (...) cancer patients who underwent stereotactic ablative radiation therapy using the CyberKnife, the volume above a certain Hounsfield unit (HU) was assigned as the structure to be filled uniformly with polylactic acid material by a 3-dimensional printer (3D Edison, Lokit, Korea). We evaluated the discrepancies between the measured and modeled target positions, representing the total tracking error, using 3 log files that were generated during each treatment for both the FTTS and the XLTS. We also

2015 Biology and Physics

226. Custom fenestration templates for endovascular repair of juxtarenal aortic aneurysms. Full Text available with Trip Pro

Custom fenestration templates for endovascular repair of juxtarenal aortic aneurysms. Physician-modified endovascular grafts, with fenestrations added to accommodate major branch vessels, provide a means for endovascular treatment of abdominal aortic aneurysms that are adjacent to the renal arteries. Manual measurements of vessel origin locations from computed tomography images, however, take time and can lead to errors in the positions of the fenestrations. To make the fenestration process (...) faster and more accurate, we have developed a procedure to create custom templates that serve as patient-specific guides for graft fenestration. We use a three-dimensional printer to create a clear rigid sleeve that replicates the patient's aorta and includes holes placed precisely at the locations of the branch vessels. The sleeve is slipped over the graft, the locations of the openings are marked with a pen, and the fenestrations are created after the sleeve is removed. Custom fenestration

2015 Journal of Vascular Surgery

227. The Accuracy of a Method for Printing Three-Dimensional Spinal Models Full Text available with Trip Pro

The Accuracy of a Method for Printing Three-Dimensional Spinal Models To study the morphology of the human spine and new spinal fixation methods, scientists require cadaveric specimens, which are dependent on donation. However, in most countries, the number of people willing to donate their body is low. A 3D printed model could be an alternative method for morphology research, but the accuracy of the morphology of a 3D printed model has not been determined.Forty-five computed tomography (CT (...) ) scans of cervical, thoracic and lumbar spines were obtained, and 44 parameters of the cervical spine, 120 parameters of the thoracic spine, and 50 parameters of the lumbar spine were measured. The CT scan data in DICOM format were imported into Mimics software v10.01 for 3D reconstruction, and the data were saved in .STL format and imported to Cura software. After a 3D digital model was formed, it was saved in Gcode format and exported to a 3D printer for printing. After the 3D printed models were

2015 PloS one

228. Emerging Applications of Bedside 3D Printing in Plastic Surgery Full Text available with Trip Pro

, selective laser sintering, binder jet technique, and fused deposition modeling. However, many clinicians have questioned whether the cost-to-benefit ratio justifies its ongoing use. The cost and size of 3D printers have rapidly decreased over the past decade in parallel with the expiration of key 3D printing patents. Significant improvements in clinical imaging and user-friendly 3D software have permitted computer-aided 3D modeling of anatomical structures and implants without outsourcing in many cases (...) Emerging Applications of Bedside 3D Printing in Plastic Surgery Modern imaging techniques are an essential component of preoperative planning in plastic and reconstructive surgery. However, conventional modalities, including three-dimensional (3D) reconstructions, are limited by their representation on 2D workstations. 3D printing, also known as rapid prototyping or additive manufacturing, was once the province of industry to fabricate models from a computer-aided design (CAD) in a layer

2015 Frontiers in surgery

229. How to run user testing, and what we learned from doing it on OpenPrescribing

team user research session. Exciting! 2. Get a team, and a room You’ll need: a quiet room, a phone line, wifi lots of wall space a whiteboard a printer, blu-tack, post-it notes in different colours, and pens. Next, you want someone with user research skills to run the sessions, and your team. Our sessions were led by the brilliant consultant : also on the team were me (tech lead), (community manager) and (developer). This might seem like a lot of people – and it was (probably too many when we (...) any questions for us! Also, it’s good to reassure the user at the start that you’re testing your design, not their computer skills! 6. Test, test, test Soon was time for the first session. It’s best to ask to record the call, or take detailed notes – that is so you can share raw observations, and refer back to exactly what the user said. We started with Henry running the calls, then switched roles. I found running the calls the hardest part! Here are some tips that Henry gave us: if the user goes

2016 CEBM blog

230. Ruth Bonnington: Thoughts on the NHS from a GP

, reviewing results, fighting the crashing computer system, and dictating letters that I get to at 18h30 and still have a few phone calls still to make. Then I’m grateful for my manager and staff who have sorted out the printer, sent off our paper work and evidence to NHS England or the CCG and prepared the protocols for a CQC inspection. And I’m grateful to my husband who may have started the stir fry and is not too irritated that I’m late again or that I didn’t get home from my half day till 17h30

2016 The BMJ Blog

231. iGEM blogs: Making Life in Space Easier by CosmoCrops

before launching, simply just the co-culture, spores of B. subtilis and a 3D printer – then everything else can be made out in space. It will also be used for future settlements on other planets, so they are not dependent on Earth for materials, but can produce what they need by themselves. Thereby, making the lives of new settlers easier than it otherwise would be. The CosmoCrops CosmoCrops is an interdisciplinary team from University of Copenhagen that consists of 10 undergraduate and graduate (...) . Physics Andrea Cordes – Stud. BSc. Computer Sciences Nikolaj Kristensen – Stud. BSc. Molecular Biomedicine Joachim Larsen – Stud. MSc. Biology-Biotechnology Iris Madsen – Stud. BSc. Mathematics Stael Naseri – Stud. BSc. Nanotechnology Thue Nikolajsen – Stud. BSc. Physics Joseph Parker – Stud. MSc. Biochemistry Giulia Perotti – Stud. MSc. Physical chemistry References Ducat D.C., Avelar-Rivas J.A., Way J.C. & Silvera P.A. (2012) Rerouting carbon flux to enhance photosynthetic productivity. Applied

2016 PLOS Blogs Network

232. A device to put homeopaths out of business

2015 to post comments By enl (not verified) on 30 Nov 2015 to post comments By TBruce (not verified) on 30 Nov 2015 to post comments By Ruth/STL (not verified) on 30 Nov 2015 to post comments By fragmeister (not verified) on 30 Nov 2015 ). But, clearly from the testimonials on their web page, this is the 3-D (maybe even 4-D or 5-D) printer of homeopathy. For what I've seen parents pay for homeopathic cold "medicine" and "teething pills", they could probably pay for one of these in 2-3 years (...) of nosode testers again (how selfless of her). And should none of this be working, she can do distance healing sessions, which I guess is like remote computer access for your body. If only Scotty'd had one of these in Star Trek. He could have made new dilithium crystals on the spot and cut 10-20 minutes off the typical episode. to post comments By Chris Hickie (not verified) on 30 Nov 2015 to post comments By Leigh Jackson (not verified) on 30 Nov 2015 to post comments By DevoutCatalyst (not verified

2015 Respectful Insolence

233. Unsupportable ‘cat therapy’ stories score high on cuteness but low on quality, even though many of us probably don’t care….(and have never heard of the word zoonoses)

are and proven to control the blood pressure of I’m pretty well ready to believe anything, and so when reading articles which support my love of cats, I did not even stop to consider for a second that there might be some conflicts of interest at work. Maybe these staunch pro-cat declarations are the result of behind-the-scenes work of pet food makers, veterinarians, and cat breeders including the , which wants you to stop reading this blog right now, turn off your computer and run to the nearest shelter (...) on any clear presentation of scientific research. I’d love to believe that my cat is improving the quality and length of my life, but proving those assertions with quality science seems an elusive endeavor. Having said that, Oscar sits beside my desk, on my printer, watching me and purring. Unlike a dog who begs for attention he just sits there, zen-like. I imagine he’s thinking: “I purr, therefore I am pure.” Or more likely he’s thinking: “If I sit on this nice warm printer long enough, then typer

2015 HealthNewsReview

234. Reflections on David Sackett’s time at the Centre for Evidence-Based Medicine

Clinical Exam series); a laptop to search PubMed, a notebook computer and projector and pop-out screen to display the results of the evidence searches and a rapid printer for the junior doctors and the med students, and at times the patients, to take information away. In the month before the cart arrived an audit of 72 clinical cases that needed a search for evidence of their optimal management revealed only 19 (26%) of searches were actually carried out. After its arrival, the evidence cart was used

2015 CEBM blog

235. A New Model with an Anatomically Accurate Human Renal Collecting System for Training in Fluoroscopy-Guided Percutaneous Nephrolithotomy Access Full Text available with Trip Pro

training model for simulated PCNL access under fluoroscopic guidance.Collecting systems from routine computed tomography urograms were extracted and reformatted using specialized software. These images were printed in a water-soluble plastic on a three-dimensional (3D) printer to create biomodels. These models were embedded in silicone and then the models were dissolved in water to leave a hollow collecting system within a silicone model. These PCNL models were filled with contrast medium and sealed

2014 Journal of Endourology

236. An assessment of pharmacists' readiness for paperless labeling: a national survey. Full Text available with Trip Pro

. The survey assessed factors related to pharmacists' attitudinal readiness (ie, perceptions of impact) and pharmacies' structural readiness (eg, availability of electronic resources, internet access) for the paperless labeling initiative.We received a total of 436 survey responses (6% response rate) from pharmacists representing 44 US states and territories. Across the spectrum of settings we studied, pharmacists had work access to computers, printers, fax machines and access to the internet or intranet

2014 Journal of the American Medical Informatics Association

237. Simulation Model for Transcervical Laryngeal Injection Providing Real-time Feedback. (Abstract)

Simulation Model for Transcervical Laryngeal Injection Providing Real-time Feedback. This study aimed to develop and evaluate a model for teaching transcervical laryngeal injections.A 3-dimensional printer was used to create a laryngotracheal framework based on de-identified computed tomography images of a human larynx. The arytenoid cartilages and intrinsic laryngeal musculature were created in silicone from clay casts and thermoplastic molds. The thyroarytenoid (TA) muscle was created

2014 Rhinology and Laryngology

238. Development of an Ultrasound Phantom for Spinal Injections With 3-Dimensional Printing. Full Text available with Trip Pro

Development of an Ultrasound Phantom for Spinal Injections With 3-Dimensional Printing. This report describes a method for producing anatomically detailed, low-cost ultrasound phantoms of the spine with 3-dimensional printing. An implementation that involves representing a portion of the lumbar spine and the ligamentum flavum with 2 different printing materials and the surrounding soft tissues with agar gel is presented.A computed tomography image volume of a patient with normal spinal anatomy (...) was segmented to isolate the spine. Segments representing the ligamentum flavum and a supporting pedestal were digitally added, and the result was printed with a 3-dimensional printer. The printed spine was embedded in agar gel as a soft tissue component. Ultrasound images of the phantom were acquired and compared with those acquired from a human patient.The sonographic appearances of the phantom compared favorably with those observed from the human patient. The soft tissue component was suitable for needle

2014 Regional Anesthesia and Pain Medicine

239. Application of 3-Dimensional Printing in Hand Surgery for Production of a Novel Bone Reduction Clamp. (Abstract)

Application of 3-Dimensional Printing in Hand Surgery for Production of a Novel Bone Reduction Clamp. Three-dimensional printing is being rapidly incorporated in the medical field to produce external prosthetics for improved cosmesis and fabricated molds to aid in presurgical planning. Biomedically engineered products from 3-dimensional printers are also utilized as implantable devices for knee arthroplasty, airway orthoses, and other surgical procedures. Although at first expensive (...) fractures was created based on the senior author's (M.V.M.) specific design, previous experience, and preferences for fracture fixation. Once deemed satisfactory, the computer files were sent to a 3-dimensional printing company for the production of the prototypes. Multiple plastic prototypes were made and adjusted, affording a fast, low-cost working model of the proposed clamp. Once a workable design was obtained, a printing company produced the surgical clamp prototype directly from the 3-dimensional

2014 Journal of Hand Surgery - American

240. Internet-Based Interventions for Bipolar Disorder (MoodSwings 2)

Manual for Mental Disorders (SCID) mood disorders module. Age 21 to 65 Access to a computer with internet access. Access to a printer is preferable, but not required. Able to speak and read English proficiently. Some degree of medical supervision of bipolar disorder (sees a health professional at least twice a year to discuss symptoms and treatment needs). Local access to emergency care. Exclusion Criteria: Current psychosis, as assessed in screening phone interview with the SCID psychotic screening

2014 Clinical Trials

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