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Robot treats brain clots with steerable needles

It is important for everybody to learn that first steps in the neurosurgery necessary to help stroke patients were done; with the help of a little robot which can access all zones of or brains surgeons can remove blood clots and help thus patients’s life and reduce significantly their recovery after stroke. Surgery to relieve the damaging pressure caused by hemorrhaging in the brain is a perfect job for a robot.

Robot treats brain clots with steerable needles

That is the basic premise of a new image-guided surgical system under development at Vanderbilt University. It employs steerable  about the size of those used for biopsies to penetrate the with minimal damage and suction away the blood clot that has formed.

The system is described in an article accepted for publication in the journal IEEE Transactions on Biomedical Engineering. It is the product of an ongoing collaboration between a team of engineers and physicians headed by Assistant Professor Robert J. Webster III and Assistant Professor of Neurological Surgery Kyle Weaver.

The odds of a person getting an intracerebral hemorrhage are one in 50 over his or her lifetime. When it does occur, 40 percent of the individuals die within a month. Many of the survivors have serious brain damage.

“When I was in college, my dad had a ,” said Webster. “Fortunately, he was one of the lucky few who survived and recovered fully. I’m glad I didn’t know how high his odds of death or severe  were at the time, or else I would have been even more scared than I already was.”

Operations to “debulk” intracerebral hemorrhages are not popular among: They know their efforts are not likely to make a difference, except when the clots are small and lie on the brain’s surface where they are easy to reach. Surgeons generally agree that there is a  from removing 25-50 percent of a clot but that benefit can be offset by the damage that is done to the surrounding tissue when the clot is removed. Therefore, when a serious clot is detected in the brain, doctors take a “watchful waiting” approach – administering drugs that decrease the swelling around the clot in hopes that this will be enough to make the patient improve without surgery.

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