Cambridge Endoscopic Devices closed a debt and options offering after meeting it $2.9 million target for the round.

Framingham, Mass.-based Cambridge Endo makes medical devices used for single-incision laparoscopy procedures.

The company secured the funding from 8 unnamed investors, according to a regulatory filing.

In 2009, Cambridge Endo drummed up $1.5 million in debt financing, adding $3.5 million a year later.

Woojin Lee, an MIT mechanical engineering professor who previously co-founded Norwood’s endoVia Medical (which sold in 2005 to Hansen Medical (NSDQ:HNSN)) launched Cambridge Endo in 2004. The company received regulatory approval to market its Autonomy Laparo-Angle device in the United States in May 2006 (it’s also available in the European Union).

Early investors include Collaborative Seed and Growth Partners LLC of Newton.