CyberHeart, a company that develops radiosurgical equipment for non-invasive cardiac surgeries (radiosurgery is used to treat benign and malignant tumors), has brought in $3.6 million of a targeted $8.1 million round of debt, rights and securities according to a filing with the SEC. Based in Menlo Park, Calif., the company is backed by Emergent Medical Ventures, Mitsubishi, Venture Select and United Investments.