The presence of angiographically detected calcium in the atherosclerotic lesions that cause significant coronary stenosis has been assumed as a limit to the use of directional coronary atherectomy (DCA) because of the inability of the device to cut and remove the calcified plaque. The new Flexicut DCA device is smaller and more flexible, and the titanium cutter allows more extensive and effective ablation of tissue. Such technical improvements offer potential advantages that can make DCA …