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.

  • Glowing tumor technology helps surgeons remove hidden cancer cells
    on July 27, 2017 at 3:56 pm

    Surgeons were able to identify and remove a greater number of cancerous nodules from lung cancer patients when combining intraoperative molecular imaging (IMI) -- through the use of a contrast agent that makes tumor cells glow during surgery -- with preoperative positron emission tomograph y (PET) scans. This study shows how effective the combination of IMI with the tumor-glowing agent can be when combined with traditional PET imaging. […]

  • Seeing more with PET scans: New chemistry for medical imaging
    on July 27, 2017 at 12:31 pm

    Researchers have found a surprisingly versatile workaround to create chemical compounds that could prove useful for medical imaging and drug development. […]

  • Imaging of scar tissue formation
    on July 19, 2017 at 9:37 pm

    Organs respond to injuries with the formation of new fibrous tissue, which can result in scarring. This process called fibrogenesis can now be monitored noninvasively on a molecular level, as scientists report. They have created a new gadolinium-based probe for magnetic resonance imaging that specifically reports the proteins involved in fibrogenesis. The imaging method may provide a quantitative assessment of the formation of the potentially harmful scar tissue. […]

  • New harmless radiopaque glue to seal bleeding and guide surgery
    on July 19, 2017 at 12:47 pm

    First nanoparticle-based adhesive with imaging contrast effect in CT and ultrasound was successfully tested in animals and showed less toxicity than the FDA-approved glue CA-Lp. […]

  • Lighting up the study of low-density materials
    on July 17, 2017 at 4:00 pm

    Low-density materials, from laminate layers in airplane wings to foams and epoxies that cushion parts, have been the focus of new study. In studying these materials, scientists borrowed and refined a technique being studied by the medical field, X-ray phase contrast imaging, to look inside the softer side of things without taking them apart. […]

  • New device detects tumor cells in blood
    on July 17, 2017 at 2:04 pm

    Researchers have patented a portable device that can detect tumor cells in blood. The device counts the number of tumor cells in a blood sample and is a highly effective tool for improving the monitoring, treatment and diagnosis of cancer. […]

  • Metal-free MRI contrast agent could be safer for some patients
    on July 12, 2017 at 6:56 pm

    A metal-free MRI contrast agent has been developed that could be safer for certain patients. The compound contains organic molecules called nitroxides instead of metal and may be used to generate more informative MRI scans of tumors. […]

  • News laser design offers more inexpensive multi-color output
    on July 11, 2017 at 6:14 pm

    A more cost-effective laser design has been created that outputs multi-color lasing and offers a step forward in chip-based lasers and miniaturization. The findings could allow encrypted, encoded, redundant and faster information flow in optical fibers, as well as multi-color medical imaging of diseased tissue in real time. […]

  • Tumor-targeting MRI contrast developed, based on human protein
    on July 7, 2017 at 5:38 pm

    A human protein-based, tumor-targeting Magnetic Resonance Imaging (MRI) contrast has been developed that can be easily cleared by the body. The discovery holds promise for clinical application. […]

  • Novel PET tracer detects small blood clots
    on July 6, 2017 at 7:59 pm

    Blood clots in veins and arteries can lead to heart attack, stroke, and pulmonary embolism, which are major causes of mortality. Now researchers show that targeting GPIIb/IIIa receptors, the key receptor involved in platelet clumping, with a fluorine-18 labeled ligand is a promising approach for diagnostic imaging. […]

  • 3D-printed robot aims to fight cancer
    on July 3, 2017 at 4:11 pm

    The world’s smallest and most accurate 3D-printed biopsy robot has been revealed by developers. […]

  • Quantum probes dramatically improve detection of nuclear spins
    on July 3, 2017 at 2:13 pm

    Researchers have demonstrated a way to detect nuclear spins in molecules noninvasively, providing a new tool for biotechnology and materials science. Important research in medicine and biology relies on nuclear magnetic resonance (NMR) spectroscopy, but until now, it has been limited in spatial resolution and typically requires powerful microwave fields. Scientists have now used a quantum probe to perform microwave-free NMR at the nanoscale. […]

  • An infallible hand-held probe to aid cancer surgery
    on June 28, 2017 at 1:59 pm

    Patients with common widespread forms of cancer will enjoy longer life expectancy and reduced risk of recurrence thanks to a multimodal optical spectroscopy probe. […]

  • Ultrasound imaging of the brain and liver
    on June 26, 2017 at 4:46 pm

    Ultrasound is commonly used in diagnostic imaging of the body's soft tissues, including muscles, joints, tendons and internal organs. A technology called high-intensity focused ultrasound is also being explored for therapeutic uses including the removal of uterine fibroids and the destruction of tumors. A suite of noninvasive, adaptive focusing techniques allow ultrasonic beams to be focused through the rib cage and skull. […]

  • Using body noise to improve cancer detection
    on June 26, 2017 at 1:36 pm

    In passive elastography, the elasticity of tissue is measured using the body's own propagation of shear waves, which enables more effective imaging deeper inside the body in an even more noninvasive way than traditional elastography and may be used for cancer detection. […]

  • MRI without contrast agents? Yes, with sugar
    on June 23, 2017 at 3:05 pm

    Scientists have been able to visualize brain cancer using a novel MRI method. They use a simple sugar solution instead of conventional contrast agents, which can have side effects in the body. […]

  • New technique makes brain scans better
    on June 21, 2017 at 4:53 pm

    To help scientists take advantage of huge numbers of low-quality patient brain scans, a team of researchers has devised a way to boost the quality of these MRI scans so that they can be used for large scale studies of how strokes affect different people. […]

  • Nanoparticle based contrast agent developed for dual modal imaging of cancer
    on June 20, 2017 at 1:31 pm

    Dual modal imaging which shares the advantages of two imaging modalities such as magnetic resonance imaging and optical imaging, has the ability to produce images with higher spatial resolution and higher sensitivity. Contrast agents having both magnetic and optical properties identifies the cancer cells efficiently. Europium doped gadolinium oxide nanorods were synthesized and subsequently coated with silica to improve the biocompatibility. […]

  • New magnet technology creates easy blood access for hemodialysis patients
    on June 14, 2017 at 3:28 pm

    A new, minimally invasive system which uses radiofrequency energy instead of open surgery to create access for patients needing hemodialysis is reliable, with minimal complications, according to data. […]

  • Single dual time-point PET scan identifies dual Alzheimer's biomarkers
    on June 13, 2017 at 10:51 pm

    Identifying Alzheimer's disease before major symptoms arise is critical to preserving brain function and helping patients maintain quality of life. A new study demonstrates that a single dual time-point PET scan could identify important biomarkers of the disease. […]

  • Imaging helps to spot fake ancient daggers
    on June 12, 2017 at 1:41 pm

    Collectors have become increasingly interested in weapons from ancient Asia and the Middle East. Attempting to fight forgeries, physicists are now adding their imaging power to authenticate these weapons. […]

  • PET imaging of atherosclerosis reveals risk of plaque rupture
    on June 12, 2017 at 1:41 pm

    A hybrid molecular imaging system unites three imaging modalities to map the composition of dangerous arterial plaques before they rupture and induce a major cardiac event, shows new research. […]

  • Alternative to blood thinners available for patients with atrial fibrillation
    on June 7, 2017 at 6:30 pm

    A new, implantable cardiac device to reduce the risk of stroke in patients with atrial fibrillation is now available, providing an alternative to the long-term use of blood thinners. […]

  • Seeing the invisible with a graphene-CMOS integrated device
    on June 5, 2017 at 7:03 pm

    Researchers integrate graphene and quantum dots with CMOS technology to create an array of photodetectors, producing a high resolution image sensor. […]

  • Innovative approaches to improve personalized radiation therapy for head and neck cancer patients
    on May 31, 2017 at 3:07 pm

    Researchers are able to use the radiosensitivity index within a mathematical framework to select the optimum radiotherapy dose for each patient based on their individual tumor biology, outlines a new report. […]

  • Handheld scanner reveals vascularization in psoriasis patients
    on May 31, 2017 at 1:25 pm

    A newly developed tissue scanner allows looking under the skin of psoriasis patients. This provides clinically relevant information, such as the structure of skin layers and blood vessels, without the need for contrast agents or radiation exposure. […]

  • Medical gamma-ray camera is now palm-sized
    on May 23, 2017 at 4:42 pm

    Researchers invented a Compton camera of 580g which visualizes gamma rays of arbitrary energies, and succeeded in achieving a high-resolution, multicolor 3-D molecular image of a live mouse administered with three different radioactive tracers in just two hours. The results of this study imply possibilities for producing new tracers of wide energy range at reduced costs and enabling the simultaneous imaging of multiple tracers which provide multilateral information on disease in target organs. […]

  • New imaging technique aims to ensure surgeons completely remove cancer
    on May 17, 2017 at 10:40 pm

    A new technology generates cellular images detailed enough to distinguish cancerous from normal tissue. Researchers are working on speeding up the technology so it can be used during surgery, allowing surgeons to know if they have removed all the cancer while they still have time to take out more. […]

  • Cutting down on cancer surgeries
    on May 17, 2017 at 7:47 pm

    Engineers have combined light and sound in a microscopy technique that could allow surgeons to determine -- in the operating room -- whether a tumor has been completely removed from a cancer patient, reducing the need for follow-up surgeries. […]

  • Laser, sound waves provide live views of organs in action
    on May 10, 2017 at 3:53 pm

    Biomedical engineers are now able to take a live, holistic look at the inner workings of a small animal with enough resolution to see active organs, flowing blood, circulating melanoma cells and firing neural networks. The technique uses the best of both light and ultrasound, breaking long-standing resolution and speed barriers in small-animal whole-body imaging, providing full cross-sectional view of a small animal's internal functions in real-time. […]