Rosa is a robot that is able to assist medical staff during brain surgeries. It was created by the Franco-Beninese Bertin Nahum, founder of Medtech. Equipped with a GPS, it has a precision capacity, it identifies the ares of the tumour as part of the deep brain stimulation (DBS) by electrode. Today, about tweny hospitals use it in the world. The technology and the company have been redeemed by the American Zimmer Bionet. Ever since, Bertin Nahum founded a new company: Quantum Surgical