A Medical Device Daily

iWalk (Cambridge, Massachusetts) has received $20 million of a $21 million Series B round to fund development of a self-contained robotic prosthetic ankle, according to a report in the Boston Business Journal. The funding comes from Cambridge-based General Catalyst Partners and New York-based WFD Ventures, according to regulatory documents posted by the Securities and Exchange Commission Monday morning.

The company, founded in 2006 by MIT Media Lab professor Hugh Herr, a bilateral amputee himself, has licensed technology from MIT, according to its web site.

The latest round adds to a $3.7 million Series A, bringing the company's total funding to more than $23.7 million.