Sunnyvale-based U-Systems, a developer of ultrasound technology for breast imaging, said today that it has raised another $6.5M in funding. The firm said the new funding came from existing investors, which include iD SoftCapital Group, Lumira Capital, PIIH, Radius Ventures, and Sycamore Ventures. U-Systems said the funding will go towards its Pre-Market Approval (PMA) submission to the FDA. More information »