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| Medical Buzz |
| Hi-def fiber tracking helps pinpoint brain damage |
Researchers at the University of Pittsburgh hope the new imaging technique will help them identify neural connections broken by traumatic brain injuries and other neurological disorders.While the Pitt neurosurgeons have used HDFT to map approaches to remove tumors and other abnormalities, they say much work remains to evaluate and ultimately validate HDFT as a new imaging standard. Still, they hope to some day use the fiber tracking to identify breaks that might explain not only motor problems but also memory loss and personality changes that can occur with traumatic brain injuries. |
| Implantable device propels itself through bloodstream |
New medical device, powered wirelessly via electromagnetic radio waves, could be used as a diagnostic or surgical tool.As implantable medical devices become smaller and less power hungry, they are taking on a variety of new roles. What began as largely stationary objects, such as pacemakers and cochlear implants, are becoming small enough to actually pass through our bodies (i.e. in the form of pills) to deliver drugs and perform diagnostics.Now, a new class of medical devices is emerging that adds a twist to the traditional implant: the devices are so small that they can travel through our bloodstream, not to mention are powered wirelessly via electromagnetic radio waves. By moving through the bloodstream, these tiny implants will be able to perform minor surgeries such as removing blood clots. |