Competitive Technologies Inc. announced that Soteira Inc., has completed a second fund raise for a total of approximately $18 million in Series A and B financing. Massachusetts-based Soteira, a privately-held developer of treatment systems for compressed vertebral fractures, is the exclusive licensee to manufacture, use, and sell products using CTT's nanoparticle bone biomaterial compound for applications related to the human spine. The funds raised by Soteira will be used for clinical testing of the compound and Soteira's unique application device.