Change is what the American public was promised (or some might say threatened with) during the 2008 presidential election and for better or worse, the healthcare industry worldwide has been served an extra large helping of that change over the past six years. While the medical device industry’s palate has reacted to most of that change the way a five-year-old reacts to Brussels sprouts, this year’s menu does appear to be more appetizing. In March, two competing companies filed IPO papers on the same day. TriVascular Technologies and Lombard Medical Technologies both sell devices to treat abdominal aortic aneurysms. TriVascular...