/Measurement of tissue displacement around implanted electrodes during life

Measurement of tissue displacement around implanted electrodes during life

Leuven | More than two weeks ago

Learn how to build realistic brain tissue models and test their predictions

Mechanical stability is a crucial requirement for the long-term functioning of recording brain electrodes. Stresses caused by displacements between the tissue and an electrode are believed to be detrimental to the implant’s function. Current simulation results point towards the role of respiration and blood vessel pulsation as the main factors interacting with the implant. The topic will develop a technique to estimate forces and stresses impressed on brain tissue by an implanted electrode during normal physiological activity. As a starting point, the student will refine the existing FEM model of an implant immersed in soft tissue phantom (see images).

Specifically, the student will develop more realistic blood vessel models in a simplified tissue geometry.  Based on the outcome of the simulation study, the student will produce an up-scaled tissue phantom and improve the existing experimental setup.

Measurement

Desirable skills: experience with FEM modeling, CAD design, circuit design, or sensors

Type of project: Combination of internship and thesis

Duration: 6 -8 months

Required degree: Master of Science, Master of Engineering Technology, Master of Engineering Science

Required background: Electromechanical engineering, Electrotechnics/Electrical Engineering

Supervising scientist(s): For further information or for application, please contact: Dimiter Prodanov (Dimiter.Prodanov@imec.be)

Only for self-supporting students.

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