Fig. 5
From: An update on vessel preparation in lower limb arterial intervention
Chocolate DCB: Treatment of a chronic superficial femoral artery occlusion (a) using the Chocolate DCB. A magnified image of the balloon over the target lesion (b) allows visualisation of the “pillow and grooves” effect. Subtracted angiogram showing the result after primary angioplasty (c). Diagrammatic representation of the nitinol cage surrounding the balloon with resulting “pillows and grooves” (d, reproduced with permission, Medtronic)