Cardiovascular Systems, Inc.

Jacob P Draxler

Joseph P Higgins

Matthew Wayne Tilstra

Nicholas Ellering

The present invention comprises at least sensing, monitoring, and display of motor current which is then used in various embodiments of a rotational atherectomy device to determine and/or predict, among other things, treatment progression, treatment completion, optimal rotational speed, optimal advancement or traversal speed during treatment, whether stall appears imminent, and/or reacting to stop motor rotation before a stall occurs. In some embodiments, the determination or prediction results in an automatic, or preprogrammed adjustment by the control unit of the rotational speed of the rotating drive shaft and associated tool.

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Saint Paul, MN, United States of America

Jacob P Draxler