Patent ID: 11931062
Assignee: CARDIO FLOW, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 4:
5. The device of claim 1, wherein the spiraled set of three or more abrasive spheres comprises a first abrasive sphere, a second abrasive sphere, and a third abrasive sphere fixedly mounted to the torque-transmitting coil at a distal end portion of the drive shaft, wherein the center of mass of the first abrasive sphere is offset from the longitudinal axis at a first radial angle, wherein the center of mass of the second abrasive sphere is offset from the longitudinal axis at a second radial angle that differs from the first radial angle, wherein the center of mass of the third abrasive sphere is offset from the longitudinal axis at a third radial angle that differs from that differs from the first radial angle and the second radial angle, and wherein the second radial angle differs from the first radial angle by at least 15 degrees, and wherein the third radial angle differs from the first radial angle and the second radial angle by at least 15 degrees.