Start-Up Spotlight: Protaryx Aims To Simplify Transseptal Access

When a start-up company comes out of stealth phase and introduces itself to the market, the risk is it can go largely unnoticed. Perhaps even more so during a pandemic. However, what’s eye-catching about Protaryx Medical is twofold: it has been started by a team that includes a medtech entrepreneur who sold his last business for $250m; and its technology has a ready-made, and potentially huge, market.

The company is developing a novel, steerable catheter-based device for transseptal puncture, a common procedure that gains access to the...