Brain aneurysms, or the 'ballooning of blood vessels', can grow and possibly rupture if untreated, causing brain damage and even death. Treatment for these aneurysms used to require major surgery, but now there are less invasive options for patients. Surgeons at Mayo Clinic are using a new device called a flow diverter, which works by redirecting the blood flow away from the aneurysm. Vivien Williams explains. [TRT 1:42]
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