Patent ID: 7578831
Filing Date: 2009-08-25
Classification: A61F,A61M

Abstract:
1. A catheter comprising: an elongate flexible tubular member having a plurality of lumens including a guide lumen, the flexible tubular member being sized suitably for insertion in a body vessel; an inflatable structure carried by a distal portion of the flexible tubular member, the inflatable structure including at least first and second inflation members, wherein said inflation members are maintained in an abutting side-by-side orientation relative to one another and about said guide lumen, each inflation member being in fluid communication with an associated fluid supply lumen; and wherein the inflatable structure further includes an opening that communicates with the guide lumen and opens on a side portion of the catheter in a gap between the first and second inflatable members, whereby a distal end of a guide wire may be advanced through the guide lumen and out of the opening such that the guide wire passes radially between the first and second inflatable members.