IntraOp Medical, maker of a device that delivers safer and more targeted radiation to treat skin cancers in non-surgical environments, has brought in $3.6 million of an anticipated $5 million round of debt, warrants and rights, according to regulatory filings with the Securities and Exchange Commission.

Based in Sunnyvale, Calif., the company raised $1.2 million in venture capital at the start of 2007. It also brought in $2.4 million in February of 2008.