The Medical Mutual baked series B round will fund an increase in Contego's workforce and the development of new products based on its technology platform.

US-based medical device developer Contego Medical closed a $5.6m series B round on Monday backed by investors including health insurance provider Medical Mutual.

Healthcare-focused venture firm Hatteras Venture Partners led the round, which also included VC firm Mountain Group Partners and growth equity firm Lookout Capital.

Contego is working on catheter technology for use in cardiovascular and peripheral vascular procedures. It plans to use the funding to expand its leadership, sales and engineering teams while developing new products based on…