Figure 56c

Directional atherectomy catheter (left).
The atherectomy catheter is attached to a motor device unit and inflation device and passed through a guide catheter (right).

Douglas, Jr., J.S., MD, King, S.B., MD, Techniques of Percutaneous Transluminal Angioplasty and Atherectomy of the Coronary Arteries, Hurst's The Heart, 8th edition, p 1353.