Patent ID: 7179269
Filing Date: 2007-02-20
Classification: A61B

Abstract:
1. An apparatus for removing an obstruction from inside of a lumen, comprising: a catheter defining a first fluid pathway and a second fluid pathway, wherein at least a portion of said catheter is adapted for insertion into the lumen, said first pathway accommodates an inlet fluid flow path from a proximal portion of the catheter towards a distal end of the catheter for providing pressurized fluid into the lumen, and said second pathway accommodates a return fluid flow path from said distal end of said catheter towards said proximal end; wherein the first fluid pathway consists of a first channel and the second fluid pathway consists of a second channel; a guidewire longitudinally extending through said catheter and having a tip portion extending beyond said distal end of said catheter for dislodging the obstruction upon rotation; means for rotating said guidewire to cause said tip portion to dislodge the obstruction; and a nozzle formed at the distal end of said first channel for extending into said lumen and configured to direct pressurized fluid to said lumen and said return fluid flow path.