Blood clotting procedures:

Angiojet by Possis Medical vacuums
out clots from veins;

Crosser catheter by Flowcardia
vibrates to break up plaque in patient’s
leg and heart arteries, it works by  
creating high frequency vibrations at
its tip that pulverize the plaque;

Wildcat catheter by Avinger Inc to
break up plaque in leg arteries;