> The FDA approval was based on results from a multicenter clinical trial led by the Mayo Clinic involving over 1,000 patients across 22 clinics. Medical tech

> The FDA approval was based on results from a multicenter clinical trial led by the Mayo Clinic involving over 1,000 patients across 22 clinics. Medical tech often requires clinical trials so there is some cost to that. And it can also limit how quickly competitors can create a competing device. But $399 monthly for unlimited use doesn't see so bad when a dermatology clinic might see hundreds of patients a month.