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.

  • Pushing the boundaries of 3D microscopy
    on January 16, 2019 at 4:10 pm

    Two newly developed methods will help researchers to study the 3D structure of complex surfaces and of individual neurons better than ever before. Technologists report new imaging protocols that will advance neuroscience and (bio)imaging in general. […]

  • Ultra ultrasound to transform new tech
    on January 16, 2019 at 4:09 pm

    A new, more sensitive method to measure ultrasound may revolutionize everything from medical devices to unmanned vehicles. Researchers have combined modern nanofabrication and nanophotonics techniques to build the ultra precise ultrasound sensors on a silicon chip. […]

  • Physics can show us the inside of tumors
    on January 8, 2019 at 5:55 pm

    A team of physicists has demonstrated the potential, for oncology, of an imaging technique based only on the physical properties of tumors. It can differentiate populations of malignant cells and monitor how effective an anticancer treatment is. These results should help in the design of new therapeutic molecules and in the personalization of treatments. […]

  • Controlling neurons with light -- but without wires or batteries
    on January 2, 2019 at 8:12 pm

    In optogenetics, scientists use light to turn groups of neurons in the brain on or off. New research demonstrates a new optogenetics method that eliminates the need for bulky optical fibers, gives researchers more precise control of the light's intensity, and allows for stimulating multiple areas of the brain simultaneously. […]

  • Novel imaging technique brings diagnostic potential into operating room
    on December 20, 2018 at 6:02 pm

    Researchers have successfully visualized the tumor microenvironment of human breast tissue shortly after it was surgically removed from a patient in the operating room. The researchers achieved this using a new portable optical imaging system. […]

  • Novel technique may significantly reduce breast biopsies
    on December 12, 2018 at 12:21 am

    A novel technique that uses mammography to determine the biological tissue composition of a tumor could help reduce unnecessary breast biopsies, according to a new study. […]

  • Terahertz laser for sensing and imaging outperforms its predecessors
    on December 11, 2018 at 4:29 pm

    A new terahertz laser is the first to reach three key performance goals at once -- high constant power, tight beam pattern, and broad electric frequency tuning -- and could thus be valuable for a wide range of applications in chemical sensing and imaging. […]

  • Predicting leaky heart valves with 3D printing
    on December 10, 2018 at 4:57 pm

    Researchers have created a novel 3D printing workflow that allows cardiologists to evaluate how different valve sizes will interact with each patient's unique anatomy, before the medical procedure is actually performed. This protocol uses CT scan data to produce physical models of individual patients' aortic valves, in addition to a 'sizer' device to determine the perfect replacement valve size. […]

  • A step closer to fusion energy
    on December 4, 2018 at 6:10 pm

    Harnessing nuclear fusion is a step closer after researchers showed that using two types of imaging can help them assess the safety and reliability of parts used in a fusion energy device. […]

  • Macroscopic phenomena governed by microscopic physics
    on December 3, 2018 at 3:14 pm

    Researchers have observed a magnetic reconnection driven by electron dynamics in laser-produced plasmas. Magnetic reconnections are often observed in the magnetic flux on the Sun and the Earth's magnetosphere. It has been highly challenging to reveal the electron scale, microscopic information in the vast universe. Applying a weak magnetic field, where only electrons are directly coupled with the magnetic field, we observed a plasmoid and cusp-like features typical to magnetic reconnections. […]

  • The future of fighting cancer: Zapping tumors in less than a second
    on November 30, 2018 at 10:50 pm

    New accelerator-based technology aims to reduce the side effects of cancer radiation therapy by shrinking its duration from minutes to under a second. Built into future compact medical devices, technology developed for high-energy physics could also help make radiation therapy more accessible around the world. […]

  • More sensitive MRI diagnostics thanks to innovative 'elastic' contrast media
    on November 30, 2018 at 2:01 pm

    Researchers have found a new method for obtaining high-quality images in magnetic resonance imaging (MRI), that requires less contrast medium compared to current methods. […]

  • Safer and cheaper 3D medical imaging
    on November 29, 2018 at 3:35 pm

    A new study has discovered a promising way to significantly lower doses of X-rays that has the potential to revolutionize 3D medical imaging and make screening for early signs of disease much cheaper and safer. […]

  • High-contrast imaging for cancer therapy with protons
    on November 29, 2018 at 3:35 pm

    Medical physicists have combined magnetic resonance imaging with a proton beam, thus demonstrating that in principle, this commonly used imaging method can indeed work with particle beam cancer treatments. This opens up new opportunities for targeted, healthy tissue-sparing cancer therapy. […]

  • Microscope measures muscle weakness
    on November 28, 2018 at 1:27 pm

    Biotechnologists have developed a system to accurately measure muscle weakness caused by structural changes in muscle tissue. The new method allows muscle function to be assessed using imaging without the need for sophisticated biomechanical recordings, and could in future even make taking tissue samples for diagnosing myopathy superfluous. […]

  • Photonic radiation sensors survive huge doses undamaged
    on November 27, 2018 at 10:14 pm

    Researchers have published landmark test results that suggest a promising class of sensors can be used in high-radiation environments and to advance important medical, industrial and research applications. […]

  • Insight into the brain's hidden depths: Scientists develop minimally invasive probe
    on November 27, 2018 at 4:10 pm

    This could be a major step towards a better understanding of the functions of deeply hidden brain compartments, such as the formation of memories, as well as related dysfunctions, including Alzheimer's disease. Researchers have succeeded in using a hair-thin fiber endoscope to gain insights into hardly-accessible brain structures. […]

  • Artificial intelligence may help reduce gadolinium dose in MRI
    on November 26, 2018 at 2:32 pm

    Researchers are using artificial intelligence to reduce the dose of a contrast agent that may be left behind in the body after MRI exams, according to a new study. […]

  • Human images from world's first total-body scanner unveiled
    on November 19, 2018 at 9:02 pm

    EXPLORER, the world's first medical imaging scanner that can capture a 3D picture of the whole human body at once, has produced its first scans. […]

  • Feeling the pressure with universal tactile imaging
    on November 15, 2018 at 3:46 pm

    Researchers developed a universal tactile imaging technology for pressure distribution measurement using a coupled conductor pair. An image processing approach based on tomography was then used to relate the pressure distribution to the conductors' contact resistance. Mechatronics technology enabled development of flexible sensors using conventional conductive materials. These sensors undergo simple fabrication processes and enable measurements to be performed with high positional accuracy. Tactile imaging was demonstrated using sheet- and finger-type sensors. […]

  • 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. […]