News tagged with ultrasound
Ultrasound shown to exert remote control of brain circuits
Oct 29, 2008 |
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In a twist on nontraditional uses of ultrasound, a group of neuroscientists at Arizona State University has developed pulsed ultrasound techniques that can remotely stimulate brain circuit activity. Their findings, published ...
First acoustic metamaterial 'superlens' created
Jun 24, 2009 |
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A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
GE unveils handheld ultrasound machine
Oct 21, 2009 |
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(AP) -- The future of ultrasound technology, as interpreted by General Electric Co., looks a bit like a flip phone crossed with an iPod.
Groundbreaking, inexpensive, pocket-sized ultrasound device can help treat cancer, relieve arthritis
Dec 19, 2008 |
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(PhysOrg.com) -- A prototype of a therapeutic ultrasound device, developed by a Cornell graduate student, fits in the palm of a hand, is battery-powered and packs enough punch to stabilize a gunshot wound ...
Selective sex abortion causes 32 million excess males in China
Apr 10, 2009 |
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Selective abortion in favour of males has left China with 32 million more boys than girls, creating an imbalance that will endure for decades, an investigation released on Friday warned.
Philips develops ultrasound-activated microbubbles for localized delivery of cancer drugs
Sep 30, 2008 |
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(PhysOrg.com) -- Philips is developing an ultrasound-based drug delivery technology that is designed to increase the effectiveness and reduce the side effects of chemotherapy treatment for certain types of ...
Ultrasound imaging now possible with a smartphone
Apr 21, 2009 |
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Computer engineers at Washington University in St. Louis are bringing the minimalist approach to medical care and computing by coupling USB-based ultrasound probe technology with a smartphone, enabling a compact, ...
Graphics chips speed up medical imaging
Sep 04, 2009 |
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Beyond just jazzing up video games, one of the growing array of applications being found for the powerful graphics-oriented chips that Nvidia and Advanced Micro Devices sell is in speeding up medical imaging, which can be ...
Scientists discover ultrasonic communication among frogs
May 11, 2009 |
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(PhysOrg.com) -- UCLA scientists report for the first time on the only known frog species that can communicate using purely ultrasonic calls, whose frequencies are too high to be heard by humans. Known as ...
Tiny 3-D ultrasound probe guides catheter procedures
Aug 28, 2008 |
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An ultrasound probe small enough to ride along at the tip of a catheter can provide physicians with clearer real-time images of soft tissue without the risks associated with conventional x-ray catheter guidance.
Computer model improves ultrasound image
Nov 04, 2008 |
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Doctors use diagnostic sonography or ultrasound to visualise organs and other internal structures of the human body. Dutch researcher Koos Huijssen has developed a computer model that can predict the sound transmission of ...
Sensitive ultrasound to spot early-stage cancer
Oct 23, 2008 |
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(PhysOrg.com) -- European researchers have developed highly sensitive ultrasound equipment that can detect tiny quantities of reflective microbubbles engineered to stick to specific tumour cells. The technique should pick ...
New Brain Helmet Could Detect Stroke Earlier
Feb 09, 2009 |
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(PhysOrg.com) -- A prototype "brain helmet" that provides real-time images of major blood vessels may enable emergency personnel to perform quick scans of potential stroke victims' brains, according to a team ...
Successful neurosurgery with transcranial MR-guided high-intensity focused ultrasound
Jun 22, 2009 |
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The Magnetic Resonance Center of the University Children's Hospital Zurich has achieved a world first break through in MR-guided, non-invasive neurosurgery. Ten patients have been successfully treated by means ...
Classifying 'clicks'
Jul 15, 2009 |
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A new way to classify sounds in some human languages may solve a problem that has plagued linguists for nearly 100 years--how to accurately describe click sounds distinct to certain African languages.
