In blood-vessel-model and live pig tests, the milli-spinner was able to reduce the volume of clots by up to 95%, allowing for successful clot removal on approximately 90% of first attempts.

Milli-spinner technique more than doubles success rate for blood clot removal by Laura Castañón, Stanford University edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...

Yet current clot-removal tools succeed on the first try only about 50 percent of the time. In 15 percent of cases, they fail completely.