 Invivo Therapeutics NASDAQ:NVIV and Integra Lifesciences NASDAQ:IART are both medical companies, but which is the better business? We will compare the two companies based on the strength of their dividends, valuation, earnings, analyst recommendations, profitability, institutional ownership and risk. Volatility and Risk Invivo Therapeutics has a beta of 1.72, suggesting that its share price is ... 