U-Systems Inc., a San Jose, Calif.-based maker of automated breast ultrasound systems, has raised $16.5 million in fifth-round funding. Siemens Venture Capital led the deal, and was joined by President International Development Corp., iD Innovation, China Investment & Development Co. and TSC Bioventures. Return backers included Sycamore Venture Capital, MDS Capital, Radius Ventures, Kinetic Capital and United Investments and new investors. U-Systems previously raised $42 million, including a $25.6 million Series D round in 2003 at a $46 million post-money valuation. www.u-sys.com