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The Ellipsys® System is indicated for the creation of a proximal radial artery to perforating vein anastomosis via a retrograde venous access approach in patients with a minimum vessel diameter of 2.0mm and less than 1.5mm of separation between the artery and vein at the fistula creation site who have chronic kidney disease requiring dialysis.

The device that is the subject of this 510(k) is a modified Ellipsys Vascular Access System. The Ellipsys System gained market clearance through the 510(k) Premarket Notification pathway (K183615). The specific modification subject to this submission consists of an update to the Instructions for Use to allow an additional procedural step for balloon dilation of the anastomosis junction at the radial artery and adjacent outflow vein of the AVF immediately after creation with the Ellipsys Catheter. The Ellipsys System remains a catheter-based system that is used to percutaneously create a vascular anastomosis of the proximal radial artery and adjacent perforating vein using direct current (DC) thermal heating. No changes have been made to the intended use, technological characteristics, design, function, or manufacturing processes of the Ellipsys Power Controller (AMI-1001), Ellipsys Needle (AMI-3000) or the Ellipsys Catheter (AMI-6005).

The Ellipsys System is indicated for the creation of a proximal radial artery to perforating vein anastomosis via a retrograde venous access approach in patients with a minimum vessel diameter of 2.0 mm and less than 1.5 mm of separation between the artery and vein at the fistula creation site who have chronic kidney disease requiring dialysis.

The modified Ellipsys System remains a catheter-based system that is used to percutaneously create a vascular anastomosis of the proximal radial artery and adjacent vein using direct current (DC) thermal heating. The Ellipsys Power Controller (AMI-1001) is software driven and guides the user through the procedure using visual prompts via an LCD display. The Controller monitors the closure of the catheter tip, and supplies controlled DC energy to the catheter's heating element. The Ellipsys Crossing Needle (AMI-3000) and Ellipsys Catheter (AMI-6005) are sterile single-use disposable devices that are responsible for approximating (bringing together) the arterial and venous vessel walls and applying thermal energy to create an anastomosis and join the two target vessels. Both the crossing needle and catheter are designed to be compatible with .014" guidewires and 6 French introducer sheaths commonly used with vascular interventional procedures. The system is designed to be used in a surgical or radiological suite or office based procedure room.

The Ellipsys System is indicated for the creation of a proximal radial artery to perforating vein anastomosis via a retrograde venous access approach in patients with a minimum vessel diameter of 2.0mm and less than 1.5mm of separation between the artery and vein at the fistula creation site who have chronic kidney disease requiring dialysis.

The modified Ellipsys System remains a catheter-based system that is used to percutaneously create a vascular anastomosis of the proximal radial artery and adjacent vein using direct current (DC) thermal heating. The Ellipsys Power Controller (AMI-1001) is software driven and guides the user through the procedure using visual prompts via an LCD display. The Controller monitors the closure of the catheter tip, and supplies controlled DC energy to the catheter's heating element. The Ellipsys Catheter and Crossing Needle (AMI-6005) are a sterile single-use disposable devices that are responsible for approximating (bringing together) the arterial and venous vessel walls and applying thermal energy to create an anastomosis and join the two target vessels. The catheter is designed to be compatible with .014" guidewires and 6 French introducer sheaths commonly used with vascular interventional procedures. The system is designed to be used in a surgical or radiological suite or office based procedure room.

The Ellipsys® System is indicated for the creation of a proximal radial artery to perforating vein anastomosis via a retrograde venous access approach in patients with a minimum vessel diameter of 2.0mm and less than 1.5mm of separation between the artery and vein at the fistula creation site who have chronic kidnev disease requiring dialysis.

The Ellipsys® Vascular Access System is a catheter based system that is used to percutaneously create a vascular anastomosis between adjacent blood vessels using direct current (DC) thermal heating. The system consists of several components: - Ellipsys Catheter ● - Ellipsys Crossing Needle - Ellipsys Power Controller ●