An Austin company, Articulate Labs Inc., is among the 23 medical device startups that have been accepted into the fall 2018 cohort at the Texas Medical Center Innovation Institute's accelerator program, TMCx, in Houston. Articulate Labs created KneeStim, a knee brace packed with sophisticated electronics to help individuals with conditions such as osteoarthritis or joint replacement. The KneeStim stimulates the quadricep muscles and uses motion-tracking and other tech features to customize that...