Fixing heart defects in children can be complicated, and the more information doctors can get before surgery the better.
To help provide that information, Justin Ryan, an artist turned biomedical engineer, is using his technical skills as an artist to make three-dimensional models of a heart to help doctors operate on children’s hearts.
There are nearly two million people who are missing one or more limbs in the United States alone. Around the world, a number of research groups are working to advance robotic prostheses to restore a sense of normality to the lives of amputees.
Michael Goldfarb, a Vanderbilt University mechanical engineering professor, is at the cutting edge of these advancements. His lab is making robotic limbs more human.
Patients with high blood pressure that is resistant to treatment now have an option for controlling their hypertension.
Researchers at Monash University in Australia have found that radio waves targeted at nerves around the kidney lowered blood pressure over an extended period.
The technique, called percutaneous renal sympathetic denervation (RDN), disrupts nerve signals that tell the brain to increase blood pressure. It is performed under local anesthesia with a catheter that delivers radio signals through the renal artery that supplies blood to the kidneys.
Your next eyeglass exam might see an upgrade thanks to a high-tech astronomy tool developed to help see distant celestial bodies more clearly.
The technique, called wavefront analysis, takes precise measurements of how light reflected from the back of the eye exits. The difference between how light would be refracted through a normally shaped lens and cornea and how it is actually refracted creates a precise map of optical abnormalities known as higher-order aberrations.
"Astronomers already used these techniques to enable a clear telescopic view of planets and stars, undistorted by the focusing aberrations resulting from the Earth’s atmosphere," says Dr. Anthony Adams, Editor-in-Chief of the journal Optometry and Vision Science. "In the past two decades, optometry and ophthalmology researchers have borrowed techniques for measuring and correcting these higher-order abnormalities.”