Abstract: Device and method significantly that improves the safety and procedural success of the existing art by being able to be less traumatic to vascular tissue, improving atrial contact with the ablation surface, improving positioning and geometrical precision of the ablation pattern, improving steerability and deliverability of the ablation device and by improving localization and geometric precision of the ablation device. The risk of pulmonary vein fibrosis/stenosis will also be substantially lowered. Finally, expansion of the eligible atrial fibrillation population will inherently increase due to the improved components and methods of the present invention.

Abstract: A catheter device and related method for diagnostic vascular treatment and/or therapeutic vascular treatment of a subject's vasculature having a lesion. The device including: a guide catheter comprising a shaft having a proximal portion and a distal portion; a guide wire disposed in the guide catheter shaft having a proximal portion and a distal portion, the guide wire transfers beyond the lesion during at least a portion of the vascular treatment and/or therapeutic vascular treatment; and one or more expandable component disposed at the distal portion of the guide wire. The expandable component(s) may be positioned distally beyond the lesion during at least a portion of the vascular treatment and/or therapeutic vascular treatment.

Abstract: Device and method significantly that improves the safety and procedural success of the existing art by being able to be less traumatic to vascular tissue, improving atrial contact with the ablation surface, improving positioning and geometrical precision of the ablation pattern, improving steerability and deliverability of the ablation device and by improving localization and geometric precision of the ablation device. The risk of pulmonary vein fibrosis/stenosis will also be substantially lowered. Finally, expansion of the eligible atrial fibrillation population will inherently increase due to the improved components and methods of the present invention.

Abstract: A catheter device fur diagnostic vascular treatment and/or therapeutic vascular treatment of a subject's vasculature having a blunt, atraumatic (non-traumatic) distal tip and orifice edge to the catheter. This will eliminate or mitigate catastrophic complications caused by contemporary catheters such as vascular dissection, thrombosis, distal embolization and vessel occlusion. The catheter tip can be shaped in various ways with solid material (compressible or non-compressible) or balloon inflation devices to create a blunt, atraumatic (non-traumatic) tip and orifice, and may include a set-back region as well.