This image shows Jan Liu

Jan Liu

M.Sc.

Research assistant
Institut für Medizingerätetechnik

Contact

Pfaffenwaldring 9
70569 Stuttgart
Deutschland
Room: 3.206

  1. J. Liu, F. Bajraktari, R. Rausch, and P. P. Pott, “3D Reconstruction of Forearm Veins Using NIR-Based Stereovision and Deep Learning,” in 2023 IEEE 36th International Symposium on Computer-Based Medical Systems (CBMS), Jun. 2023, pp. 57–60. doi: 10.1109/CBMS58004.2023.00192.
  2. J. Liu, Ö. Atmaca, and P. P. Pott, “Needle-Based Electrical Impedance Imaging Technology for Needle Navigation,” Bioengineering, vol. 10, no. 5, Art. no. 5, 2023, doi: 10.3390/bioengineering10050590.
  3. J. Mayer, M. B. Schäfer, J. Liu, G. A. Giacoppo, T. Markert, S. Matich, P. Brunner, and P. P. Pott, “Hand-Held Device for Force Estimation during Tool-Tissue Interaction,” presented at the ACTUATOR22, Mannheim, Jun. 2022.
  4. A. Hess, J. Liu, and P. P. Pott, “Analysis of Dielectric Properties of Gelatin-based Tissue Phantoms,” Current Directions in Biomedical Engineering, vol. 8, no. 2, Art. no. 2, 2022, doi: doi:10.1515/cdbme-2022-1087.
  5. J. Liu, Ö. Atmaca, T. J. Ly, and P. P. Pott, “Numerical Sensitivity Analysis of Microelectrodes for Multi-Local Impedance Measurements on Needles,” in Beiträge des 9. GMM-Workshops 21. – 22.11.2022 in Aachen, 2022, vol. GMM-Fachbericht 105: Mikro-Nano-Integration, pp. 90–94.
  6. J. Liu, F. Bajraktari, Ö. Atmaca, T. J. Ly, and P. P. Pott, “Microscale Sensor Fabrication on Curved Needle Surfaces,” Current Directions in Biomedical Engineering, vol. 8, no. 2, Art. no. 2, 2022, doi: doi:10.1515/cdbme-2022-1161.
  7. J. Liu, M. Heumann, K. W. Stewart, and P. P. Pott, “Development of a Venous Collapse Prevention Device for Blood Draw,” Current Directions in Biomedical Engineering, vol. 8, no. 2, Art. no. 2, 2022, doi: doi:10.1515/cdbme-2022-1055.
  8. F. Bajraktari, J. Liu, and P. P. Pott, “Methods of Contactless Blood Pressure Measurement,” Current Directions in Biomedical Engineering, vol. 8, no. 2, Art. no. 2, 2022, doi: doi:10.1515/cdbme-2022-1112.
  9. J. Liu, C. Goehring, and P. P. Pott, “Integration of a Hollow, Bipolar Needle Electrode into a Handheld Impedance Measurement Device for Tissue Identification,” 13th Biomedical Engineering International Conference (BMEiCON2021), Nov. 2021.
  10. C. Goehring, J. Liu, F. Schiele, K. Moeller, and P. P. Pott, “Fabrication and evaluation of simple tissue-mimicking phantoms for electrical impedance sensing,” 6th IEEE-EMBS Conference on Biomedical Engineering and Sciences (IECBES 2020), Mar. 2021, doi: https://doi.org/10.1109/IECBES48179.2021.9398842.
  11. J. Liu, L. Hauser, M. Kappel, C. Goehring, and P. P. Pott, “Simulation and Experimental Investigation of a Hollow, Bipolar Needle Electrode,” Current Directions in Biomedical Engineering, 2021.
  12. J. Liu, C. Goehring, F. Schiele, K. Moeller, and P. P. Pott, “Fabrication and Experimental Evaluation of Simple Tissue-Mimicking Phantoms with Realistic Electrical Properties for Impedance-Based Sensing,” International Journal of Integrated Engineering (IJIE), vol. 13, no. 5, Art. no. 5, 2021.
  13. K. W. Stewart, J. Liu, P. Willmann, and P. P. Pott, “Assessment of a low-cost LED vein detection method,” IFAC-PapersOnLine, vol. 53, no. 2, Art. no. 2, Jul. 2020, doi: https://doi.org/10.1016/j.ifacol.2020.12.390.
  14. D. Rehling, J. Liu, K. W. Stewart, F. Schiele, and P. P. Pott, “Investigation of vibration parameters for needle insertion force reduction,” Current Directions in Biomedical Engineering, vol. 6, 2020, doi: 10.1515/cdbme-2020-3155.
  15. M. Engers, K. W. Stewart, J. Liu, and P. P. Pott, “Development of a realistic venepuncture phantom,” Current Directions in Biomedical Engineering, vol. 6, 2020, doi: 10.1515/cdbme-2020-3104.
  16. S. Da Souza, P. Mühlbauer, S. Janzen, J. Liu, and P. P. Pott, “Series and parallel actuation array of elastic micro-twisted string actuators,” presented at the ETG/GMM-Fachtagung Innovative Klein-und Mikroantriebstechnik, Würzburg, 2019. [Online]. Available: https://ieeexplore.ieee.org/document/8892425
  17. J. Liu, M. Reisbeck, and O. Hayden, “Investigation of mechanical and magnetophoretic focusing for magnetic flow cytometry,” Current Directions in Biomedical Engineering, vol. 5, pp. 353--, 2019, doi: 10.1515/cdbme-2019-0089.
  18. J. Liu, K. W. Stewart, and P. P. Pott, “Towards automated and painless venipuncture – vibratory needle insertion techniques,” Current Directions in Biomedical Engineering, vol. 5, pp. 157--, 2019, doi: 10.1515/cdbme-2019-0040.

2022 Visiting Researcher, Korea Advanced Institute of Science and Technology, Daejeon 

2018 - 2023 Wissenschaftlicher Mitarbeiter am Institut für Medizingerätetechnik, Universität Stuttgart

2015 - 2018 M.Sc. Elektrotechnik und Informationstechnik, TU München

Theoretical and experimental investigation of mechanical-magnetophoretic particle focusing

2015 Exchange Student, Tongji University Shanghai 

2013 - 2016 B.Sc. Technologie -und Managementorientierte BWL, TU München

Simulation for the Hazmat Transport Network Design Problem

2011 - 2014 B.Sc. Elektrotechnik und Informationstechnik, TU München

Entwicklung und Evaluierung einer Analogschaltung für die pH-Messung

2011 – Abitur, Lessing-Gymnasium Winnenden

2023:

Robin Meffle. SA0219: Development and evaluation of an impedance-based needle navigation for venipuncture. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2023.

Charlotte Eberhardt. FA0214: Investigation of spatial sensitivity in monopolar impedance measurements. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2023.

Kjersti Bartschick. SA0203: Development of a demonstrator for tissue recognition by means of impedance measurements. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2023.

Gianluca Caputo. MA0198: Development of an impedance measurement device for multi-local tissue differentiation on a microstructured needle. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2023.

2022:

Toni Ly. MA0171: Development of an impedance measurement device for multi-local tissue differentiation on a microstructured needle. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2022.

Ömer Atmaca. MA0169: Development of an impedance-based needle guidance system for venipuncture. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2022.

Regine Rausch. MA0162: Development of a deep learning method for reconstruction of a 3D vein pattern. Supervisor: Flakë Bajraktari, Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2022.

Andreas Hess. MA0145: Electrical characterization of tissue phantoms using impedance measurements. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2022.

2021:

Lilia Karray. BA0138: Development of a vein detection and visualization method using an LED matrix. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2021.

Chi Zhang. MA0119: Development of a Position Control System for a Vibratory Needle. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2021.

2020:

Marcel Kappel. SA0105: Development and simulation of a measurement concept for an impedance-based needle guidance system using COMSOL. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020.

Lina Hauser. BA0099: Modelling and simulation of bioelectric impedance measurements with different needle electrodes. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020. 

Lena Lachenmaier. SA0094: Biomedical tissue characterization of porcine soft tissue. Supervisor: Giuliano Giacoppo, Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020. 

Chris Göhring. MA0091: Development of a device for the detection of venous access based on impedance measurements. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020. 

Dennis Rehling. SA0080: Investigation of different vibration parameters and their influences on needle insertion forces. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020. 

Jonas Stark. SA0074: Miniaturization of a low-cost LED sensor for vein detection. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2020. 

2019:

Pia Willmann. BA0057: Development of a low-cost LED vein detection sensor. Supervisor: Kent Stewart, Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2019. 

Eni Zaganjori. BA0046: Development of the sensor system of a puncturing device for the experimental investigation of vibrating movements during needle insertion. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2019. 

Ahmad Gheshmi. BA0045: Development of the actuator system of a puncturing device for the experimental investigation of vibrating movements during needle insertion. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2019. 

Juliane Mayer. MA0044: Development and validation of an artificial venous circulatory system for blood draw prototype testing. Supervisor: Jan Liu. Institute of Medical Device Technology, University of Stuttgart. 2019. 

Savio D souza. MA0031: Design and characterization of an array of micro twisted-string actuators. Supervisor: Swantje Janzen, Jan Liu, Pia Mühlbauer. Institute of Medical Device Technology, University of Stuttgart. 2019. 

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