Innosphere, CU Boulder device maker Aspero gets patent; FDA up next

BOULDER — Aspero Medical Inc. received a U.S. patent for technology related to its planned medical device, a new balloon catheter for use in gastrointestinal endoscopies.

The patent’s “basis is the texturing of the balloon,” said Aspero CEO Mark Rentschler, “the small pillars or nubs, those protrusions that allow it to anchor in the lining” of the small intestine.

The new part is “the geometry and spacing of the protrusions,” he said — the shape and location of nubs and “how they’re integrated” into making the balloon.

Rentschler said new techniques — the ability to make molds for the product, for instance —…