Medical Technology

Medical Technology News -- ScienceDaily Latest developments in medical technology. News from universities and research institutes on new medical technologies, their applications and effectiveness.

  • Simulations of every woman's breast tissue address delay on enhanced MRI cancer detection
    on September 20, 2018 at 2:21 pm

    Researchers have simulated how over 20 different breast tissue ratios respond to heat given off by MRIs at higher field strengths than available in hospitals today. […]

  • Fiber optic sensor measures tiny magnetic fields
    on September 19, 2018 at 3:59 pm

    Researchers have developed a light-based technique for measuring very weak magnetic fields, such as those produced when neurons fire in the brain. […]

  • Compact fiber laser may enable wearable tech and better endoscopes
    on September 17, 2018 at 5:59 pm

    A new photoacoustic imaging technology combines laser light and ultrasound to image biological tissue. […]

  • Enhanced 3-D imaging poised to advance treatments for brain diseases
    on September 13, 2018 at 3:39 pm

    Researchers have developed a combination of commercially available hardware and open-source software, named PySight, which improves rapid 2-D and 3-D imaging of the brain and other tissues. […]

  • Magnetization in small components can now be filmed in the laboratory
    on September 11, 2018 at 7:18 pm

    Scientists have refined an electron microscope-based technique that makes it possible not only to capture static images of these components but also to film the high-speed switching processes. […]

  • Diamond dust enables low-cost, high-efficiency magnetic field detection
    on September 10, 2018 at 6:24 pm

    Engineers have created a device that dramatically reduces the energy needed to power magnetic field detectors, which could revolutionize how we measure the magnetic fields that flow through our electronics, our planet, and even our bodies. The researchers found a new way to excite tiny diamonds with microwaves using 1,000 times less power, making it feasible to create magnetic-sensing devices that can fit into electronics like cell phones. […]

  • Bioadhesive, wirelessly-powered implant emitting light to kill cancer cells
    on September 7, 2018 at 1:15 pm

    A new wirelessly-powered light-emitting device, which sticks onto animal tissue like a sticker with tissue-adhesive and elastic nanosheets, could possibly facilitate treatment for hard-to-detect microtumors and deeply located lesions that are hard to reach with standard phototherapy. If clinically applied, the device could be beneficial for cancer patients who seek minimally invasive treatment, helping them live longer and improve their quality of life. […]

  • Rapid heart imaging technique may cut costs, boost care in developing world
    on August 29, 2018 at 3:56 pm

    A new rapid imaging protocol quickly and cheaply diagnosed heart ailments in patients in Peru. […]

  • Novel biomedical imaging system
    on August 28, 2018 at 5:39 pm

    Researchers are developing a novel biomedical imaging system that combines optical and ultrasound technology to improve diagnosis of life-threatening diseases. Photoacoustic tomography is a noninvasive technique that converts absorbed optical energy into acoustic signal. Pulsed light is sent into body tissue, creating a small increase in temperature that causes tissue to expand and create an acoustic response that can be detected by ultrasound transducer. The ultrasound data is used to visualize the tissue. […]

  • Security millimetre wave body scanner safe for patients with pacemakers and defibrillators
    on August 26, 2018 at 4:07 pm

    New research finds that body scanners used for security checks are safe for patients with pacemakers and defibrillators. […]

  • Engineers develop artificial intelligence system to detect often-missed cancer tumors
    on August 22, 2018 at 3:44 pm

    Engineers have taught a computer how to detect tiny specks of lung cancer in CT scans, which radiologists often have a difficult time identifying. The artificial intelligence system is about 95 percent accurate, compared to 65 percent when done by human eyes, the team said. […]

  • A GPS for inside your body
    on August 20, 2018 at 12:51 pm

    Scientists have developed a system that can pinpoint the location of ingestible implants inside the body using low-power wireless signals. […]

  • Light-emitting nanoparticles could provide a safer way to image living cells
    on August 15, 2018 at 5:05 pm

    A research team has demonstrated how light-emitting nanoparticles can be used to see deep in living tissue. Researchers hope they can be made to attach to specific components of cells to serve in an advanced imaging system that can pinpoint even single cancer cells. […]

  • New method refines cell sample analysis
    on August 2, 2018 at 6:15 pm

    Innovation in the field of biomedicine: Researchers have developed a novel method which increases more than tenfold the number of proteins that can be visualized per sample, making it possible to generate a comprehensive map of cellular organization across the various cellular states. This highly sophisticated and refined view can be used to advance precision medicine and is already being applied in cancer medicine. […]

  • Nano-optic endoscope sees deep into tissue at high resolution
    on July 30, 2018 at 4:03 pm

    Experts in endoscopic imaging and pioneers of flat metalens technology have teamed up to develop a new class of endoscopic imaging catheters -- termed nano-optic endoscopes -- that overcome the limitations of current systems. […]

  • The rise of secondary imaging interpretations
    on July 17, 2018 at 6:25 pm

    Among Medicare beneficiaries, the frequency of billed secondary interpretation services for diagnostic imaging services increased from 2003 to 2016 across a broad range of modalities and body regions, often dramatically. […]

  • Blood flow in the heart revealed in a flash
    on July 9, 2018 at 2:00 pm

    Researchers have for the first time been able to use information from computer tomography images to simulate the heart function of an individual patient. Some of the modeling methods they use have been developed in the motor industry. […]

  • A first look at interstitial fluid flow in the brain
    on July 3, 2018 at 6:14 pm

    Past research has shown a link between interstitial fluid flow and an increased invasion rate of glioblastoma cells, and biomedical researchers and electrical engineers recently developed a new method to measure and reconstruct interstitial fluid flow velocities in the brain. This method gives a first look at interstitial fluid flow dynamics in glioma models, and the technique can readily translate to clinical models already using contrast-enhanced MRI. […]

  • Cardiac hybrid imaging an effective tool for predicting heart attacks
    on July 3, 2018 at 3:00 pm

    Cardiac hybrid imaging with CT and nuclear stress testing is an excellent long-term predictor of adverse cardiac events like heart attacks in patients being evaluated for coronary artery disease, according to a new study. […]

  • Ultimate precision for sensor technology using qubits and machine learning
    on July 3, 2018 at 3:00 pm

    Extracting information quickly from quantum states is necessary for future quantum processors and super-sensitive detectors in existing technologies. Researchers demonstrate a new method that combines quantum phenomena and machine learning to realise a magnetometer with precision beyond the standard quantum limit. […]

  • Sound waves could provide 'liquid biopsies'
    on July 3, 2018 at 12:41 pm

    Using sound waves, researchers have developed a gentle, contact-free method for separating circulating tumor cells from blood samples that is fast and efficient enough for clinical use. The ability to quickly and efficiently harvest and grow these cells from a blood sample would enable 'liquid biopsies' capable of providing individualized diagnosis, prognosis and suggestions for treatment strategies. […]

  • Versatile ultrasound system could transform how doctors use medical imaging
    on July 2, 2018 at 5:00 pm

    A new ultrasound system that uses optical, instead of electronic components, could improve performance while giving doctors significantly more flexibility in how they use ultrasound to diagnose and treat medical problems. […]

  • Miniaturized infrared cameras take colored photos of the eye
    on June 20, 2018 at 2:06 pm

    Researchers report a new miniaturized camera module that can be used to diagnose the eye. The module uses three wavelengths of near infrared light to give a clear image of the fundus that matches the performance of cameras in the clinic, but is small enough to mount on top a smartphone. […]

  • 'Smart stent' detects narrowing of arteries
    on June 19, 2018 at 4:30 pm

    Researchers have developed a type of 'smart stent' that monitors even subtle changes in the flow of blood through the artery, detecting the narrowing in its earliest stages and making early diagnosis and treatment possible. […]

  • World's first intra-operative MRI-guided robot for bilateral stereotactic neurosurgery
    on June 19, 2018 at 4:25 pm

    Scientists have recently designed the first neurosurgical robotic system capable of performing bilateral stereotactic neurosurgery inside a magnetic resonance imaging ('MRI') scanner. […]

  • Laser-sonic scanner aims to replace mammograms for finding breast cancer
    on June 18, 2018 at 2:26 pm

    For women over 40, mammography is a necessary yet annoying procedure to endure every year or two. The technique, while valuable for reducing breast cancer deaths, is less than ideal because it exposes patients to X-ray radiation and requires their breasts to be painfully squished between plates. The plates flatten the breast so the X-rays can more easily pass through it and produce a clear image. […]

  • New 3D imaging analysis technique could lead to improved arthritis treatment
    on June 18, 2018 at 2:26 pm

    An algorithm to monitor the joints of patients with arthritis, which could change the way that the severity of the condition is assessed, has been developed by a team of engineers, physicians and radiologists. […]

  • A sprinkle of platinum nanoparticles onto graphene makes brain probes more sensitive
    on June 15, 2018 at 1:29 am

    Graphene electrodes could enable higher quality brain imaging thanks to new research by a team of engineers and neuroscientists. The researchers developed a technique, using platinum nanoparticles, to lower the impedance of graphene electrodes by 100 times while keeping them transparent. In tests on transgenic mice, the electrodes were able to record and image neuronal activity (calcium ion spikes) at of large groups of neurons and individual brain cells. […]

  • New nuclear medicine method shows promise for better detection of neuroendocrine tumors
    on June 6, 2018 at 4:04 pm

    Researchers have shown that a new nuclear medicine procedure could safely and more effectively detect cancerous gastrointestinal and pancreatic neuroendocrine tumors than current methods. […]

  • Cancer: Microbubbles delivered via gas embolotherapy could cut off blood supply and deliver drugs
    on June 5, 2018 at 7:41 pm

    Embolization -- the use of various techniques to cut off the blood vessels that feed tissue growth -- has gained traction over the past decades to treat cancerous tumors, and one specific version is gas embolotherapy. During this process, the blood supply is cut off using acoustic droplet vaporization, which uses microscopic gas bubbles induced by exposure to ultrasonic waves. Researchers have discovered that these bubbles could also be used as potential drug delivery systems. […]