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The Stealth 360 Orbital PAD System and the Diamondback 360 Peripheral Orbital Atherectomy System are percutaneous orbital atherectomy systems indicated for use as therapy in patients with occlusive atherosclerotic disease in peripheral arteries and who are acceptable candidates for percutaneous transluminal atherectomy. The OAS supports removal of stenotic material from artificial arteriovenous dialysis fistulae (AV shunt). The OAS is a percutaneous orbital atherectomy system indicated as a therapy in patients with occluded hemodialysis grafts who are acceptable candidates for percutaneous transluminal angioplasty.

The atherectomy guide wire is a component that is part of the Stealth 360 Orbital PAD System and Diamondback 360 Peripheral Orbital Atherectomy System. The Stealth 360 Orbital PAD System and the Diamondback 360 Peripheral Orbital Atherectomy System (OAS) are intended for use in the treatment of peripheral arteries and A-V graft (shunt) stenosis. The OAS provides a method of removing stenotic material from peripheral arteries and A-V grafts. The Stealth 360 and the Diamondback 360 use an eccentrically rotating sanding surface (crown) to remove stenotic material on the vessel wall. The stenotic particles that are removed are small enough to be absorbed by the body. In addition to the atherectomy guide wire, the Stealth 360 Orbital PAD System and the Diamondback 360 Peripheral Orbital Atherectomy System consists of the following components: Orbital Atherectomy Device (OAD), Saline Infusion Pump, and Atherectomy Lubricant (e.g., ViperSlide). The ViperWire Advance Flex Tip Guide Wire is a smooth, stainless steel wire, with a silicone coating, and a radiopaque distal spring tip. The guide wire allows for proper positioning of the device crown within peripheral arteries and provides a center of rotation for the device drive shaft.