Natus Medical closes Sonamed acquisition

Natus Medical Inc., a California provider of medical devices for newborn care, said today that it completed the acquisition of privately held Sonamed Corp. for $9 million.

With the acquisition, Natus gains Waltham-based Sonamed's products that are primarily used to test for hearing loss in newborns, such as the Clarity Screener (right).

Shares of Natus fell 27 cents to $20.99 in midday trading on the Nasdaq Stock Market. (AP)