Trial Parameters
Brief Summary
TA prospective randomized control trial to evaluate the serration angioplasty effect in BTK arteries with varying degrees of calcified plaque.
Eligibility Criteria
Inclusion Criteria: * Rutherford clinical category 4-6 of the target limb * Age of subjects is \>18 years old * Patients has given informed consent to participate in this study Exclusion Criteria: * De novo or restenotic (without prior stent) stenosis (≥70%) or occlusion * Target lesion is in the BTK arteries, including below the knee popliteal, tibioperoneal trunk, tibial, peroneal, and pedal arteries. * Angiographic visual estimated reference vessel diameter is between 2.0 and 5.0 mm. * Lesion length less than 220 mm