Lumicell Inc., maker of an image-guided cancer surgery system, closed a $28.7 million series C financing and released positive results of a phase II clinical trial using the device to detect breast cancer. The LUM system also is being studied in humans to detect tumor margins in additional cancers.

Livanova plc agreed to acquire Imthera Medical Inc. by purchasing remaining shares in the firm, valued at up to $225 million with an initial payment of $78 million and the remainder on a milestone-based timeline. Livanova began investing in privately held Imthera in 2011 and has projected the deal will close early next year.