Patent ID: 9532798
Date: 2017-01-03
CPC Classifications: A61B,A61M

Claim:
1. A system for treating a lesion in a body lumen of a patient to enlarge a passageway in the body lumen comprising: a catheter having a lumen and an expandable portion; and a cutting assembly including a cutting member and a tracking member, the tracking member attached to the cutting member, wherein the expandable portion of the catheter is expandable to move the cutting member in a direction transverse to a longitudinal axis of the tracking member, the cutting member having a proximal portion and a distal portion, the proximal portion configured to extend outside the patient when the cutting member is positioned in the body lumen adjacent the lesion, the cutting member having a cutting surface configured to treat the lesion to enlarge the passageway in the body lumen when moved by the expandable portion of the catheter.