Patent ID: 6966890
Filing Date: 2005-11-22
Classification: A61M

Abstract:
1. A balloon catheter comprising: a flexible outer shaft having a proximal end, a distal end, an inner surface, an outer surface, and an outer diameter; an inner shaft having a thin wall with an inner surface and an outer surface, wherein said inner surface of said inner shaft comprises a crescent shaped inflation lumen and wherein a guide wire lumen is formed between said outer surface of said inner shaft and said inner surface of said outer shaft; wherein said inner shaft is radially collapsible to enlarge said guide wire lumen; a balloon mounted to said distal end of said outer shaft, wherein an interior of said balloon is in fluid communication with said inflation lumen; a hatch disposed in said outer shaft proximal of said balloon, an outer surface of said hatch is recessed from said outer surface of said outer shaft, wherein said hatch is removable to create a guide wire port; and a bifurcate hub mounted to said proximal end of said outer shaft.