Patent ID: 7951161
Filing Date: 2011-05-31
Classification: A61B

Abstract:
1. An atherectomy system comprising: a. a catheter tube, the catheter tube having a proximal end and a distal end, a first lumen and a second lumen, the second lumen smaller in diameter than the first lumen, the catheter tube comprising: b. a high pressure tube within the first lumen, the high pressure tube having a proximal end and a distal end, the distal end extending past the hinge mechanism and into the positionable tip, the high pressure tube terminating in a distally located fluid jet emanator, the fluid jet emanator having proximally facing jet orifices from which a high pressure fluid is emitted; and c. a fixed cutter located at a fixed position within the first lumen and secured to the fluid jet emanator, the cutter comprising a cutting surface that is always exposed within the notch of the hinge mechanism; wherein the atherectomy system does not use a separate suction source.