Inogen Raises $22 Million

Inogen Inc., a Goleta, Calif.-based developer of long-term oxygen therapy technologies, has raised $22 million in Series D funding. < ?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Novo AS led the deal, and was joined by Arboretum Ventures and return backers Versant Ventures, Avalon Ventures and Accuitive Medical Ventures. www.inogen.com