Tela Bio, a Pennsylvania-based surgical reconstruction startup in stealth mode, raised $45.4 million from 29 investors, according to an SEC filing. According to earlier filings, Tela Bio previously raised $6 million in 2013 and $16.1 million in 2012. The company is reportedly led by Antony Koblish, who previously headed orthobiologics company OrthoVita that was sold to Stryker ($SYK) for $316 million in 2011. Koblish may have turned down a $400,000 annual salary offer to remain with Stryker to found the startup instead. More