Vertiflex Snares $20 Million

Vertiflex Inc., a Carlsbad, Calif.-based developer of medical devices for spinal surgery, has raised $20 million in Series B funding, according to a regulatory filing. Backers include Alta Partners, Aberdare Ventures and Morgenthaler Ventures. < ?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />