Sentences with phrase «ultrasound waves»

"Ultrasound waves" refer to high-frequency sound waves that humans cannot hear. These waves are used in medical imaging to create pictures of internal body parts. Full definition
This product is constructed with a device that collects and exchanges data while emitting ultrasound waves.
He is going to physiotherapy but so far all they have done is massage his arm and use ultrasound waves on it.
Twenty - seven participants with tremor - dominant Parkinson's disease were enrolled in the study; the research team randomly assigned 20 to be treated with focused ultrasound waves on their brains, while the others received a fake procedure, to account for any potential placebo effect.
Unlike traditional fingerprint scanners used in existing smartphones, Qualcomm's latest fingerprint sensor makes use of ultrasound waves.
Wavecomb extends the technique by turning ultrasound waves on and off very rapidly.
In conventional ultrasound machines, the resulting heat causes the lens to expand rapidly, generating high frequency vibrations that produce ultrasound waves.
A team of neuroscientists and physicists joined forces to jump - start a patient's brain out of a medically induced coma with ultrasound waves — and it worked, STAT reports.
Acoustic tweezers is a microfluidic device that utilizes ultrasound waves produced by piezoelectric transducers to gently and precisely position biological samples without damage.
This option is ultrasonic dissolution, in which high frequency ultrasound waves disrupt or break the stones into tiny particles that can then be flushed out of the bladder.
It uses small speaker - like ultrasound wave emitters to give the sensation of pressure an
It uses small speaker - like ultrasound wave emitters to give the sensation of pressure and texture when you're just waving your hands in the open air.
Using transducers, uBeam's device, which is not yet on the market, converts electrical energy into ultrasound waves and then back into electrical energy.
Baby easily absorbs ultrasound waves, heating up a baby's developing brain and organ tissues.
Doctors are surprisingly conducting more ultrasounds than maybe necessary for expectant mothers, and exposing unborn babies to ultrasound waves earlier than ever.
The notion of using high - intensity focused ultrasound waves in cancer surgery sounds interesting (4 January, p 38).
The 3D printed lenses allow ultrasound waves to be focussed at multiple sites or shape the focus specially to a target, which current ultrasound machines are unable to do.
Ultrasonic therapy often uses targeted ultrasound waves to create cavitation bubbles — tiny balloons of rapidly oscillating air pockets that stretch nearby cell membranes when they burst.
Previous studies have shown that extremely fast ultrasound waves — 10,000 frames per second, compared with the 50 frames per second in conventional medical imaging — can detect tiny changes in blood volume within blood vessels in rodent and human brains.
The probe sends out painless ultrasound waves that bounce off of structures (for example, organs) in your pet's body and return to a sensor inside the ultrasound machine.
Ultrasonography determines the size of regional lymph nodes and the echogenecity (the characteristic ability of an organ or tissues to reflect ultrasound waves and produce echoes) of other abdominal organs especially liver and spleen.
His solution was startlingly simple: After years of experimentation, Bhardwaj found that a thin layer of compressed fibers, such as paper or cloth, allows a near - total transmission of ultrasound waves.
Shahab explaines the study's findings would pave the way for designing more - efficient drug delivery capsules in the future, especially those that can be activated by focused ultrasound waves.
Ultrasound examination (echocardiogram) utilizes ultrasound waves to evaluate the heart.
Scientists at the National Institute of Standards and Technology (NIST) have discovered that a gold nanorod submerged in water and exposed to high - frequency ultrasound waves can spin at an incredible speed of 150,000 RPM, about ten times faster than the previous record.
The Planty Cover recognises your furkid's paw movements and then emits ultrasound waves to safely repel Puss — it also acts as a form of training to prevent him from approaching plant pots in the future.
The company, which uses ultrasound waves to charge devices wirelessly, announced its first fully functional prototype in August.
Hua's team placed a glass container of about one liter of water on a steel transducer that produced ultrasound waves.
The first, Doppler ultrasound imaging, involves irradiating tissue with ultrasound waves; the waves that reflect off flowing blood acquire a Doppler shift, which can be used to pick out blood and calculate its speed.
The nifty, double speaker - outfitted plastic attachment emits long (9 - foot) and short (6 - foot) ultrasound waves.
However, Ultrasound waves can not penetrate bone so MRIs are still recommended to evaluate structures inside a joint.
Quite honestly, I was more worried about the extended exposure to ultrasound waves than of the defect itself... until I remembered her overly concerned tone of speech.
The carbon nanotubes absorb pulsed laser light, and this absorption leads to an ultrasound wave via the photoacoustic effect.
A second innovation was the development of highly sensitive optical fibre sensors based on polymer optical microresonators for detecting the ultrasound waves.
Ultrasound waves are produced by firing sound waves at a glass surface or «lens» to create high - frequency vibrations.
In order to adapt an application, the frequency range of the ultrasound waves is a key regulating screw.
In current ultrasound machines, the lens which focuses the ultrasound waves are limited to cylindrical or spherical shapes, restricting the clarity of the imaging.
Using ultrasound waves, researchers from MIT and Massachusetts General Hospital (MGH) have found a way to enable ultra-rapid delivery of drugs to the gastrointestinal (GI) tract.
Scientists have established that ultrasound waves can spin a 200 nanometers wide rod up to an impressive 150,000 rpm (Image: NIST)
Scientists at NIST have discovered that a gold nanorod submerged in water and exposed to ultrasound waves can spin at an incredible speed of 150,000 RPM.
«When it comes to exposing the human brain to ultrasound waves (even at low intensity), there are safety concerns.
Using ultrasound waves we can.
As the ultrasound waves pass from the treatment head into the skin they cause the vibration of the surrounding tissues, particularly those that contain collagen.
Ultrasound waves can generate excellent images of abdominal organs, including the liver, spleen, gallbladder, and kidneys.
Ultrasonography is a type of diagnostic technique that uses ultrasound waves to produce an imaging study.
Assisting therapists in administering neuromusculoskeletal treatments, electrical muscle stimulation, thermotherapy, lumbar traction, and ultrasound waves.
a b c d e f g h i j k l m n o p q r s t u v w x y z