The predoctoral contract subsidized by the Spanish Research Agency or the Community of Madrid consists of a direct contract with a medical device company, which receives funds for this purpose during the first three years. The thesis defense takes place in the fourth year, during which year the contract already depends directly on the company. The objective is to obtain a doctorate after which a contractual relationship is generated with the company to continue the professional activity of an employee with a doctorate degree, thus introducing personnel with research experience into the company's workflow.