Applied Medical Resources Corp.

The Voyant advanced bipolar system [Image courtesy of Applied Medical Resources]Applied Medical Resources is accusing Medtronic (NYSE:MDT) of using its size to shut down competition in the U.S. market for advanced bipolar devices used to cut tissue and seal blood vessels.

Rancho Santa Margarita, California–based Applied Medical filed an antitrust complaint yesterday in Central California’s U.S. District Court.

“We are proud to be a leader in this competitive and growing space,” a Medtronic spokesperson said in a statement shared with MassDevice. “The claims are baseless and Medtronic will defend against the lawsuit filed by Applied Medical.”

In its lawsuit, Applied Medical said Medtronic has a dominant 78% share of the advanced bipolar device market with its Ligasure device — and it has dominance when it comes to a host of other surgical devices.

The privately held company accused the publicly traded medtech giant of usi…