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The Vanguard IEP Peripheral Balloon Angioplasty System with Integrated Embolic Protection is indicated for percutaneous transluminal angioplasty (PTA) and capture and removal of embolic material during angioplasty, for the femoral, iliac, popliteal and profunda arteries. The System is not intended for use in the renal, cerebral, coronary or carotid vasculature.

The Vanguard IEP Peripheral Balloon Angioplasty System with Integrated Embolic Protection platform is similar to a catheter with a typical angioplasty balloon, but between the distal end of the balloon and the distal tip of the catheter, there is a nitinol-based filter. The device is over-the-wire (OTW) and is 0.018" guidewire compatible. The balloon catheter comes in sizes of 5 and 6 mms outside diameter (OD) and lengths 40, 80, 120 and 200 mms. The filter component is composed of a nitinol filter frame with an overlying membrane perforated with a set pattern of drilled holes. The balloon catheter shaft consists of a dual lumen inner shaft placed inside a single lumen outer shaft. The inner shaft extends beyond the balloon up to the distal catheter tip. Radiopaque markers placed on either side of the balloon and the distal tip of the filter assist with accurate placement. The nitinol filter frame has radiopaque markers, making the diameter of the filter visible when opened. The proximal end of the nitinol frame slides freely over the distal shaft. A pull-wire attaches the handle to the filter frame to activate the filter.

The Paladin System with Integrated Embolic Protection (IEP) is indicated for Percutaneous Transluminal Angioplasty (PTA) in the carotid arteries with capture and removal of embolic material. This device is also indicated for post-dilation of self-expanding stents in the carotid arteries with capture and removal of embolic material. The diameter of the arterial site for filter deployment should be no more than 7.0 mm. The Paladin System with IEP should always be used in conjunction with an available embolic protection device.

The Paladin System is a sterile, single use, rapid exchange (RX) PTA catheter with a nitinol-based filter between the PTA balloon and the distal tip of the catheter. The balloon has radiopaque markers to aid in accurate positioning under fluoroscopic guidance. The dilation balloon is designed to inflate to a known diameter and length at a specific inflation pressure. Paladin has balloon diameters Ø of 5.0 mm and 5.5 mm and balloon lengths of 20 mm and 30 mm. The embolic protection filter is composed of a nitinol braid chassis with an overlying polyurethane membrane with radiopaque markers on either end and radiopaque markers on the filter. The catheter has a guidewire lumen, an inflation/deflation lumen, and a filter activation wire lumen. The guidewire lumen permits the passage of a guidewire to facilitate advancement of the catheter to and through the stenosis to be dilated. The proximal end of the catheter has a handle that controls activation. The filter is identical across all sizes of balloons and can be expanded to a maximum diameter of 7 mm. The Paladin System is designed to be introduced through a 6 French vascular sheath.