Stat-Diagnostica, a Barcelona-based developer of an in vitro diagnostic testing platform, has raised $22.1 million in Series B funding. Kurma Life Sciences Partners led the round, and was joined by Idinvest, Boehringer Ingelheim Venture Fund, Caixa Capital Risc and return backers Ysios Capital and Axis. www.stat-diagnostica.comClustrix, a San Francisco-based distributed SQL relational database , has raised $16.5 million in new VC funding from return backers Sequoia Capital, U.S. Venture Partners, ATA Ventures and Don Listwin. www.clustrix.comFastback Networks, a San Jose, Calif.-based provider of wireless transport solutions, has raised $15 million in Series B funding. Matrix Partners led the round, and was joined by return backers Jumiper Networks, Foundation Capital, and Granite Ventures.www.fastbacknetworks.comChannel Medsystems Inc., a San Francisco-based developer of cryo-ablation delivery technologies, has raised $9.7 million in Series B funding. Boston Scientific Corp. led the round, and was joined by InCube Ventures, Aperture Ventures, Scientific Health Development II and STCM Ventures. www.channelmedsystems.comMerchantry, a New York-based provider of online marketplace technology, has raised $7 million in Series B funding. Kite Ventures led the round, and was joined by Greycroft Ventures and e.ventures. www.merchantry.comNeuroPhage Pharmaceuticals Inc., a Cambridge, Mass.-based developer of therapies for neurodegenerative diseases, has raised $6.4 million in new VC funding. Mérieux Développement led the round, and was joined by return backer Shire LLC.www.neurophage.com