US Post-Market Surveillance Study of the Surfacer System

This post-market surveillance study follows patients who receive the Surfacer System — a device that creates a new route to insert a central venous catheter (a tube into a large vein) in people whose upper body veins are blocked or unusable. Researchers are tracking how well the device works in real-world clinical settings. You may be eligible if: - You have been referred for placement of a central venous access device (e.g., a nutritional line, medication catheter) - Your upper body veins are blocked or otherwise not accessible using conventional methods - You are willing and able to provide written consent You may NOT be eligible if: - The right femoral vein, right iliac vein, or inferior vena cava (IVC) is blocked - There is an acute blood clot in any vessel the device would need to cross - You have blockages in your arterial (heart-pump-side) blood vessels - You have blockages in the coronary or cerebral blood vessels Talk to your doctor to see if this trial is right for you.