Based in Irvine, Calif., Halo Healthcare develops innovative devices that allow women and their doctors to promote optimal breast health. The company's premier product, the HALO Breast Pap Test, is the only fully automated, non-invasive breast cancer risk assessment device designed for use in the primary care setting as part of an annual well-woman visit.Halo Healthcare was founded in 1999 and received FDA 510(k) clearance for HALO in 2002. Beginning in 2005, the first HALO systems were placed in physicians' offices to demonstrate the efficacy of the product and acceptance by both clinicians and patients. Since that time, HALO placements have expanded into 21 states plus several foreign countries.