medical device, namely, a device for preparing the blood vessel for surgery; medical device, namely, a device for compressing arterial or venous plaque; medical device, namely, a device for unclogging blood vessels; catheters; catheter for treating blockages of the arteries from heart and peripheral artery or venous diseases; catheters for compressing plaque against the vessel wall; catheters and parts and fittings therefor; medical devices for treating heart and peripheral artery or venous d...