Guide wires for catheters and sheaths can be straight tip or curved J tipped. Curved J tip reduces the chance of vascular dissection during introduction.
Though the multipurpose catheter is similar in appearance to the right coronary catheter, the distal curve is longer than that of right coronary catheter.
Pigtail catheter is a left heart angiographic catheter. Curved tip reduces chance of jet of dye injected using a pressure injector from impinging on wall and producing staining