The fiber-optic cables are inside the catheter. After the doctor inserts the catheter, and it is near the blocked area, one of the fiber-optic cables uses a laser pulse to remove the plaque. The other fiber-optic cable is a camera that the surgeon can use to see what he is doing. Laser surgery has affected almost every field of medicine. In opthalmology, laser surgery has provided a safe and effective way to treat cataracts and restore sight.
Laser surgery allows neurosurgeons to easily remove malignant tumors without damaging brain tissue.
In dentistry, the treatment of cavities was once a painful task, but laser surgery provides a treatment for cavities without the pain. Removing arterial deposits was a risky procedure until doctors began using lasers to safely open clogged arteries. After all these observations, one can easily understand why laser surgery is far superior to traditional surgical methods.