Biomedical Engineering students develop a prosthetic arm with a social and technological focus

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Biomedical Engineering students develop a prosthetic arm with a social and technological focus

Biomedical Engineering

Biomedical Engineering students develop a prosthetic arm with a social and technological focus

The Harreman project has allowed students to apply biomedical engineering knowledge in the development of a functional prosthetic arm, combining technological innovation, collaborative work and a people-centred approach

2026·05·19

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Four Biomedical Engineering students from Mondragon Goi Eskola Politeknikoa have developed Harreman, a project that combines technological innovation and social commitment with the aim of designing a functional hand and arm prosthesis.

The team, made up of Alex Tabernero, Pablo Buján, Aitor Otermin and Eneko Agirreoa, has worked over the last few months on the development of this project, focusing on both the technological challenges and the real needs of users.

Harreman was born with the desire to bring the development of engineering closer to people and generate solutions with social impact. In this process, the project has had the collaboration of Xabi Osa, an adapted CrossFit athlete, whose experience and practical vision have been essential to guide the development of the prosthesis.

On a technical level, the team has developed a first prototype based on a linear actuator and a servomotor, which allow the pincer movement and wrist rotation to be generated. The system is controlled by electromyographic signals captured through sensors that record the user's muscle activity.

Last week, the team travelled to Valencia to participate in the II University Hand Prosthesis Competition (II-CMP-26), held at the Universitat Politècnica de València. There they had the opportunity to share experience and knowledge with other university teams from all over Spain, in an environment focused on innovation, engineering and applied technological development.

The project has allowed students to apply biomedical engineering knowledge in a practical and collaborative environment, reinforcing skills related to innovation, teamwork and the development of technological solutions aimed at improving people's quality of life.

In addition, Harreman has had the support of different companies, educational centers and technological agents in the environment, reinforcing the collaborative and applied nature of the project.