Essex Woodlands and Domain Associates also took part in the Series C round, which Kona said was led by an unnamed large-cap medical technology company.
Former SonoSite senior vice president John Bowers has joined the company as COO as part of the deal.
Washington, US-based Kona is developing an ultrasonic approach to address severe hypertension through treatment of nerves near the kidneys.
The company said it planned to use the financing to fund clinical trials and to add staff in Washington and the San Francisco Bay Area as it advances its technology into commercial development.
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