The Cooley Coronary Dilator with 1.5mm Shaft is a precision surgical equipment used for cardiovascular surgeries, namely preparing and dilatation of coronary arteries. This dilator has a 1.5mm shaft, which is suitable for gently enlarging the vascular lumen while minimizing harm to the surrounding tissue. The flexible shaft adapts to the natural curvature of the arteries, ensuring excellent contact and successful dilatation.