Innovein: over 10% of the US suffers from bad valves in the veins of legs, with no option for replacement; Innovein, a Y Combinator backed healthcare company, addresses this unmet need with a minimally invasive valve for the veins. The founding team of three in aggregate has invented and brought over 15 healthcare device inventions to market, with prior product sales exceeding $3B, and celebrating acquisitions >$25B.