主权项 |
1. A catheter system comprising:
an outer elongated element having an outer elongated element proximal end and an outer elongated element distal end, said outer elongated element having an outer elongated element lumen extending from said outer elongated element proximal end to said outer elongated element distal end, and a proximal occlusion element located at said outer elongated element distal end, wherein a distal end of said proximal occlusion element is flush with said outer elongated element distal end; an inner elongated element having an inner elongated element proximal end and an inner elongated element distal end, and a distal occlusion element located at said inner elongated element distal end, said inner elongated element positioned within said outer elongated element lumen wherein said outer elongated element is coaxially arranged with respect to said inner elongated element, wherein said inner elongated element distal end is distal to and movable with respect to said outer elongated element distal end, wherein said proximal occlusion element is a compliant balloon. |