An aneurism occurs when the wall of an artery becomes weakened and balloons outward.
Currently, to treat this condition, a number of platinum coils are deposited in the aneurism.
When the coil is placed in the aneurism, a few pulses of laser energy melt the glue, releasing the coil in a second or two, with no dangerous residues.
5,989,242, covering devices for releasing platinum coils in aneurisms in blood vessels in the brain.
FDA to market its optical fiber/coil delivery device with a small diode laser, a little larger than a telephone, for treating brain aneurisms.