NEW YORK, Feb 26: Carestream Health Inc, which provides medical imaging systems and other healthcare technology solutions, is looking for a buyer in a deal that could fetch as much as 3.5 billion dollar, people familiar with the matter said yesterday. Carestream, which was acquired by private equity firm Onex Corp for 2.35 billion dollar in 2007, has hired Goldman Sachs Group, Bank of America Merrill Lynch and Credit Suisse Group to run a sale process, the people said. (agencies)