09.04.2024

Saarland University presents a breakthrough in medical technology: smart implants that not only stabilize bone fractures, but also actively promote the healing process.

In the "Smart Implants" project, researchers have developed a method of equipping implants with intelligent artificial muscles. The "artificial muscles" are activated by shape memory wires and can support the healing process through targeted micro-massages at the fracture site.

Image: Two researchers smile into the camera as they present a model of a leg bone with a long, slender metallic implant attached to it; Copyright: Oliver Dietze/Saarland University

Young scientists Susanne-Marie Kirsch (left) and Felix Welsch with the prototype of the smart implant.

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How the smart implants work

Continuous monitoring: The implants enable permanent monitoring of the healing process.
Adaptable stiffness: By using nickel-titanium wires, the implant adapts to the needs of the healing process.
Micro-massage to promote healing: Specific movements stimulate the healing process.

Technological background and applications

The core innovation lies in the use of nickel-titanium shape memory wires, which serve as actuators and sensors. This technology has a wide range of applications, from medical implants to robotics and automation.

The "Smart Implants" project is funded by the Werner Siemens Foundation with eight million euros and combines expertise from various fields. The aim is to improve the healing of bone fractures and transfer the technology into practice.

The presentation of the smart implants by Saarland University marks an important step in the treatment of bone fractures. This technology enables more effective healing through continuous monitoring and direct stimulation of the fracture site, which could permanently change the medical technology industry and patient care.

MEDICA-tradefair.com; Source: Saarland University

More about the Saarland University at: www.uni-saarland.de/en