In talking about the medical device industry’s role in the rapidly shifting healthcare industry, the president of Covidien’s Global Vascular Therapies business sounded a lot like Medtronic CEO Omar Ishrak. “We have gotten away by not demonstrating the economic value of products,” said Stacy Enxing Seng, at a Women’s Leadership event Thursday organized in the Twin Cities by trade association LifeScience Alley. Enxing Seng said the No. 1 concept that must be embraced by the medical device industry today is that all technologies must show not just clinical utility but economic value.