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Dr.-Ing. Paul Cvancara


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Dr.-Ing. Paul Čvančara leads the Electrodes and Interfaces Group. Our research focuses on advancing neural interfaces based on polyimide and silicone rubber in translational research. Thereby we are pursuing three approaches:
1. Improving the reliability and long-term stability of the interfaces with in vitro and in vivo testing methods, followed by in depth analysis using different approaches like FIB-SEM cross sectional imaging.
2. Implementing novel techniques to enhance existing assembly technologies.
3. Consideration of normative and regulatory aspects.


  • 2019 Ph.D. degree in Microsystems Engineering, IMTEK, Albert-Ludwigs-Universität Freiburg
  • 2016-now Quality management officer, Laboratory for Biomedical Microtechnology (IMTEK), Freiburg
  • 2013-now Research fellow, Laboratory for Biomedical Microtechnology (IMTEK), Freiburg
  • 2013 Master degree in Microsystems Engineering, IMTEK, Albert-Ludwigs-Universität Freiburg
  • 2011-2012 Industrial placement, XAAR, Cambridge, United Kingdom
  • 2011 Bachelor degree in Microsystems Engineering, IMTEK, Albert-Ludwigs-Universität Freiburg
  • Danesh Ashouri: Post. Doc.
  • Linda Rudmann: Post. Doc.
  • Calogero Gueli: Ph.D. candidate
  • Jennifer Schulte: Ph.D. candidate
  • Ali Sharbatian: Ph.D. candidate
  • Benedikt Szabo: Ph.D. candidate
  • Julien Martens: Ph.D. candidate
  • Yara Baslan: Ph.D. candidate
  • Ioana-Georgiana Vasilas: Research assistant
  • Jonas Meyer: Student assistant
  • Fabrication of long-term applicable polyimide based thin-film shaft electrodes (FlexBRM)
  • Moore4Medical
  • InoPro (interface section)
  • Preparation of material-tissue interfaces for further investigations
  • NeuroVibes
  • European Union
  • BMBF
  • DFG
  • Blackrock Microsystems
  • Dr. Vasiliki Giagka
  • Prof. Dr. Silvestro Micera
  • Prof. Dr. Stanisa Raspopovic
  • Prof. Dr. Volker Coenen
  • Prof. Dr. Andreas Vlachos
Five most important publications:
[1] Petrini, F. M.; Valle, G.; Strauss, I.; Granata, G.; Di Iorio, R.; D'Anna, E.; Čvančara, P.; Mueller, M.; Carpaneto, J.; Clemente, F.; Controzzi, M.; Bisoni, L.; Carboni, C.; Barbaro, M.; Iodice, F.; Andreu, D.; Hiairrassary, A.; Divoux, J.-L.; Cipriani, C.; Guiraud, D.; Raffo, L.; Fernandez, E.; Stieglitz, T.; Raspopovic, S.; Rossini, P. M.; Micera, S.: “Six-months assessment of a hand prosthesis with intraneural tactile feedback” Ann Neurol, 2018, DOI: 10.1002/ana.25384.

[2] Petrini, F. M.; Bumbasirevic, M.; Valle, G.; Ilic, V.; Mijović, P.; Čvančara, P.; Barberi, F.; Katic, N.; Bortolotti, D.; Andreu, D.; Lechler, K.; Lesic, A.; Mazic, S.; Mijović, B.; Guiraud, D.; Stieglitz, T.; Alexandersson, Á.; Micera, S.; Raspopovic, S.: “Sensory feedback restoration in leg amputees improves walking speed, metabolic cost and phantom pain” Nat Med, vol. 25, no. 9, pp. 1356–1363, 2019, DOI: 10.1038/s41591-019-0567-3.

[3] Petrini, F. M.; Valle, G.; Bumbasirevic, M.; Barberi, F.; Bortolotti, D.; Čvančara, P.; Hiairrassary, A.; Mijovic, P.; Sverrisson, A. Ö.; Pedrocchi, A.; Divoux, J.-L.; Popovic, I.; Lechler, K.; Mijovic, B.; Guiraud, D.; Stieglitz, T.; Alexandersson, A.; Micera, S.; Lesic, A.; Raspopovic, S., “Enhancing functional abilities and cognitive integration of the lower limb prosthesis,” Sci Transl Med, vol. 11, no. 512, 2019. DOI: 10.1126/scitranslmed.aav8939.

[4] Čvančara, P.; Boretius, T.; López-Álvarez, V. M.; Maciejasz, P.; Andreu, D.; Raspopovic, S.; Petrini, F.; Micera, S.; Granata, G.; Fernandez, E.; Rossini, P. M.; Yoshida, K.; Jensen, W.; Divoux, J.-L.; Guiraud, D.; Navarro, X.; Stieglitz, T.: "Stability of flexible thin-film metallization stimulation electrodes: analysis of explants after first-in-human study and improvement of in vivo performance." J Neural Eng, 2020, DOI: 10.1088/1741-2552/ab9a9a.

[5] Krähenbühl, S. M.*; Čvančara, P.*; Stieglitz, T.; Bonvin, R.; Michetti, M.; Flahaut, M.; Durand, S.; Deghayli, L.; Applegate, L. A.; Raffoul, W.: “Return of the cadaver - Key role of anatomic dissection for plastic surgery resident training”, Medicine (Baltimore), 2017, DOI: 10.1097/MD.0000000000007528, shared 1st authorship.

Dr.-Ing. Paul Čvančara
Research Group Leader
E-Mail: paul.cvancara@imtek.uni-freiburg.de
Telephone: +49 (0)761 203 67635
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