OrthoSpin, a portfolio company of The Trendlines Group, has raised US$5m in Series B funding led by Johnson & Johnson Innovation (JJDC) and Trendlines. Founded in December 2014, OrthoSpin has developed a robotic, digitally enabled external fixation system for orthopaedic treatments. It claims to change the outcomes of various orthopaedic treatments, such as bone lengthening,…