ViOptix, maker of a device that measures tissue oxygen levels for various medical applications, has landed $3 million in bridge funding that should segue nicely into a targeted $5 million fifth round of venture funding, according to Dow Jones VentureWire. Based in Fremont, Calif., the company is backed by BioAsia Management, Canadian Medical Discoveries Fund, Channel Medical Partners, Lincoln Funds International and Morningside Technology Ventures. It took in $895,000 in October.