Cardiac Concepts Raises $21 Million

Cardiac Concepts Inc. has raised $21 million in Series B funding, peHUB has learned. The Minnetonka, Minn.-based company makes an implantable device to treat central sleep apnea, in order to improve outcomes of congestive heart failure.

Polaris Venture Partners, Versant Ventures and RK Ventures were joined by return backers Accuitive Medical Ventures, Affinity Capital Management and Three Arch Partners.

The company had previously raised $5.5 million. www.cardiacconcepts.com