Boston Scientific said as it had owned 14% of Sadra Medical since 2006 it would pay $193m in cash initially and up to the same amount again in performance fees for the rest of the company.

Boston Scientific, a New York-listed medical device maker, has agreed to acquire one of its corporate venturing unit’s portfolio companies, Sadra Medical, for up to $450m in enterprise value.

Boston Scientific said as it had owned 14% of Sadra since 2006 it would pay $193m in cash initially and up to the same amount again in performance fees depending on revenue-based milestones through to 2016.

Sadra raised $30m in May last year in its series C round led by venture…