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.

  • Doubly-excited electrons reach new energy states
    on November 13, 2018 at 4:03 pm

    Scientists have now characterized the higher energy levels reached by electrons in resonance in three-particle systems, which are too complex to be described using simple equations. This theoretical model is intended to offer guidance for experimentalists interested in observing these resonant structures in positronium ions. […]

  • Healing kidneys with nanotechnology
    on November 8, 2018 at 7:23 pm

    Researchers have developed a new method for treating and preventing acute kidney injury. Their technique involves the use of tiny, self-assembling forms measuring just billionths of a meter in diameter. […]

  • Ultrasound releases drug to alter activity in targeted brain areas in rats
    on November 7, 2018 at 4:18 pm

    Scientists have developed a noninvasive way of delivering drugs to within a few millimeters of a desired point in the brain. The method, tested in rats, uses focused ultrasound to jiggle drug molecules loose from nanoparticle 'cages' that have been injected into the bloodstream. […]

  • Laser blasting antimatter into existence
    on November 5, 2018 at 3:54 pm

    Antimatter is an exotic material that vaporizes when it contacts regular matter. If you hit an antimatter baseball with a bat made of regular matter, it would explode in a burst of light. It is rare to find antimatter on Earth, but it is believed to exist in the furthest reaches of the universe. Amazingly, antimatter can be created out of thin air... […]

  • High-resolution MRI imaging inspired by the humble antenna
    on October 31, 2018 at 6:15 pm

    Radio frequency (RF) probes designed like by microstrip patch antennas create uniform and strong magnetic field in high frequency MRI machines, unlike convention coil and bird cage shaped coils used today. These probes also showed smaller radiation losses, making them competitive, even advantageous to conventional methods. […]

  • Important biomedical microscopy technique can now image deeper into tissue
    on October 31, 2018 at 4:48 pm

    A recently developed technique known as light-sheet fluorescence microscopy has led to many biological discoveries by allowing researchers to create 3-D images of tissue, even live animal embryos, using fluorescent tags. […]

  • New air-filled fiber bundle could make endoscopes smaller
    on October 24, 2018 at 6:26 pm

    Researchers have fabricated a new kind of air-filled optical fiber bundle that could greatly improve endoscopes used for medical procedures like minimally invasive surgeries or bronchoscopies. […]

  • Monitoring electromagnetic signals in the brain with MRI
    on October 22, 2018 at 4:39 pm

    MIT engineers have devised a new technique to detect either electrical activity or optical signals in the brain, using a minimally invasive technique based on magnetic resonance imaging (MRI). […]

  • Innovative sensing technique could improve greenhouse gas analysis
    on October 10, 2018 at 3:19 pm

    An international team of researchers has used an unconventional imaging technique known as ghost imaging to make spectroscopic measurements of a gas molecule. […]

  • A 3-D-printed phantom head
    on September 28, 2018 at 2:45 pm

    Phantoms are not just ghostly figures of our imagination, they are also numerical or physical models that represent human characteristics and provide an inexpensive way to test electromagnetic applications. A bioengineering researcher has developed a realistic phantom head for magnetic resonance studies. […]

  • New electro-optic laser pulses 100 times faster than usual ultrafast light
    on September 27, 2018 at 6:53 pm

    Physicists have used common electronics to build a laser that pulses 100 times more often than conventional ultrafast lasers. The advance could extend the benefits of ultrafast science to new applications such as imaging of biological materials in real time. […]

  • CT technique expands possibilities of imaging ancient remains
    on September 25, 2018 at 2:58 pm

    Researchers using computed tomography (CT) have successfully imaged the soft tissue of an ancient Egyptian mummy's hand down to a microscopic level, according to a new study. […]

  • 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. […]