Endoluminal occlusion-irrigation catheter with aspiration capabilities and methods of use
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Accused Products
Abstract
A catheter system comprising a guidewire, an endovascular catheter, and an aspiration catheter. The guidewire has an expandable occluder mounted on a distal end. The guidewire and the endovascular catheter are insertable into a lumen of the aspiration catheter. The aspiration catheter also includes infusion and aspiration lumen(s) and port(s). Methods of using the catheter system for treating a vascular lesion and removing embolic material during the procedure are also disclosed.
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Citations
23 Claims
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2. An endoluminal aspiration catheter assembly, comprising:
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a guidewire having a proximal end, a distal end, and an expandable occlusive member disposed on the distal end;
an angioplasty catheter having a proximal end, a distal end, a lumen adapted to receive the guidewire, and an expandable dilatation member disposed on the distal end of the angioplasty catheter; and
an aspiration catheter having a proximal end, a distal end, a first lumen adapted to receive the angioplasty catheter, and a second lumen in fluid communication with a source of infusion fluid and at least one distal fluid infusion port. - View Dependent Claims (3, 4)
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15. An endoluminal aspiration catheter assembly, comprising:
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a guidewire having a proximal end, a distal end, and an expandable occlusive member disposed on the distal end;
an angioplasty catheter having a proximal end, a distal end, a lumen adapted to receive the guidewire, and an expandable dilatation member disposed on the distal end of the angioplasty catheter; and
an aspiration catheter having a proximal end, a distal end, an aspiration lumen in fluid communication with at least one aspiration port, and an infusion lumen in fluid communication with a source of infusion fluid and a plurality of fluid infusion ports disposed radially about the distal end of the aspiration catheter;
wherein the infusion ports are adapted to create a venture effect wherein irrigation fluid ejected from the infusion ports is circulated circumferentially about the aspiration catheter. - View Dependent Claims (16, 17, 18, 20, 21, 22)
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19. The catheter assembly of claim IS, wherein the infusion ports are directed radially outward and angled relative to the radius of the aspiration catheter.
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23. An endoluminal aspiration catheter assembly, comprising:
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a guidewire having a proximal end, a distal end, and an expandable occlusive member disposed on the distal end;
an angioplasty catheter having a proximal end, a distal end, a lumen adapted to receive the guidewire, and an expandable dilatation member disposed on the distal end of the angioplasty catheter; and
an aspiration catheter having a proximal end, a distal end, an aspiration lumen in fluid communication with at least one aspiration port, and an infusion lumen in fluid communication with a source of infusion fluid and a plurality of fluid infusion ports disposed radially about the distal end of the aspiration catheter;
wherein one or more of said infusion ports includes an angled slot configured to direct fluid in a circular path radially and distally beyond the distal end of the aspiration catheter.
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Specification