Mainstay Medical Receives US$108M Equity Financing

– Mainstay Medical Holdings, a Dublin, Ireland-based medical device company focused on commercializing an innovative implantable restorative neurostimulation system for people with disabling mechanical Chronic Low Back Pain, closed an equity financing of US$108m.
– The round was co-led by new investors Ally Bridge Group and Sofinnova Partners, through its Crossover Fund, and also included a large, global medical device company.
– Key existing investors participating include Sofinnova Partners (Capital Fund), KCK Group and Fountain Healthcare Partners.