Ear Center: Research Activities

ESTEEM™ Totally Implantable Hearing Implant

Dr. Kraus was one of five U.S. co-investigators involved in the Envoy Medical Corporation, investigational ESTEEM™ Totally Implantable Hearing Device Phase II FDA Clinical Trial that began in 2004.  Dr. Kraus helped to develop many of the operative techniques used for implanting the first generation ESTEEM™. He has mentored all of the U.S. surgeon co-investigators (teams from Newport Beach, CA, Minneapolis, MN, Pittsburgh, PA, and Burlington, MA.), German surgeon investigators in Magdeburg, Koblenz, Kassel, Krefeld, and Cologne Germany, and surgeons from France, Italy, Belgium, England, Spain, Egypt, Dubai, Lebanon, Saudi Arabia, Brazil, South Africa, and Israel.

A second generation Envoy ESTEEM II Clinical Trial began in February, 2008. Dr. Kraus was one of three U.S. co-investigators. Twenty-three study participants were implanted.  Click here for more information concerning the study trial: Envoy Esteem Clinical Trial.

ESTEEM research at The Ear Center resulted in FDA approval for the ESTEEM device on March 17, 2010.

Cochlear Implants

In 1987, Dr. Kraus was one of the original 15 co-investigators for Cochlear Corporation (now Cochlear Americas) during the Pediatric Cochlear Implant FDA Clinical Trial.  It was the work of these co-investigators from across the United States that eventually led to U.S. FDA approval for pediatric cochlear implants in July, 1990.

A Pediatric Cochlear Implant Program has been started In conjunction with the University of North Carolina at Greensboro (UNC-G). Dr. Kraus has joined the UNC-G faculty as adjunct clinical professor. 

Last revised November 28, 2011