Publications


2018

Journal Papers

Hügl S., Rülander K., Lenarz Th., Majdani O., Rau Th. S. (2018): Investigation of ultra-low insertion speeds in an inelastic artificial cochlear model using custom-made cochlear implant electrodes. Eur Arch Otorhinolaryngol. epub ahead of print 10/2018. [ doi; IF: 1.660].

Lexow G. J., Kluge M., Gellrich N.-C., Lenarz Th., Majdani O., Rau Th. S. (2018): On the accuracy of cochlear duct length measurement in computed tomographic images. Eur Arch Otorhinolaryngol. 275(5):1077-1085. [ doi; IF: 1.660].

Schurzig D., Schwarzendahl S., Wallaschek J., van Drunen W. J., Rau Th. S., Lenarz Th., Majdani O. (2018b): Numerical analysis of intracochlear mechanical auditory stimulation using piezoelectric bending actuators. Med Biol Eng Comput 56(5):733-747. [ doi; IF: 1.971].

Schurzig D., Timm M. E., Lexow G. J., Majdani O., Lenarz Th., Rau Th. S. (2018a): Cochlear helix and duct length identification - Evaluation of different curve fitting techniques. Cochlear Implants International. 19(5):268-283. [ doi].

Posters & Abstracts

BMT2018 Logo BMT 2018 - 52nd Annual Conference of the German Society for Biomedical Engineering (DGBMT within VDE), September 26-28, Aachen, Germany
Hügl S., Blum T., Lenarz T., Majdani O., Rau Th.S. (2018): Impact of anatomical variations on insertion forces - An investigation using artificial cochlear models -. [ doi].
John S., Kluge M., Stieghorst J., Rau Th. S., Majdani O., Lenarz T. (2018): Toward minimal-invasive cochlear implantation: A study on the accuracy and repeatability of a single drill tunnel approach.
Rau Th.S., Suzaly N., Pawsey N., Hügl S., Lenarz T., Majdani O. (2018): Histological evaluation of a cochlear implant electrode array with electrically activated shape change for perimodiolar positioning. [ doi].
Rau Th.S., Witte S., Uhlenbusch L., Lexow J., Hügl S., Kahrs L. A., Majdani O., Lenarz T. (2018): Minimally invasive mastoidectomy approach using a mouldable surgical targeting system. [ doi].
CI2018 Logo CI 2018 - 15th International Conference on Cochlear Implants and Other Implantable Auditory Technology, June 27-30, Antwerp, Belgium
Majdani O., Kluge M., Kreul D., Lexow J., Lenarz T., Rau Th. S. (2018b): Technical accuracy of the stereotactic minimally invasive ‘RoboJig’ system for CI surgery.
Salcher R., Nullmeier M., Lenarz T., Pawsey N., Cramer J., Majdani O., Rau Th. S. (2018b): Electrode insertion force measurements in porcine cochlea specimens.
Timm M. E., Weller T., Alcacer-Labrador D., Büchner A., Lenarz T., John S. (2018b): A data driven concept to choose the optimal CI electrode array.
CARS 2018 Logo CARS 2018 - 32nd International Congress and Exhibition on Computer Assisted Radiology and Surgery, June 20-23, Berlin, Germany
Rau Th. S., Uhlenbusch L., Witte S., Lexow J., Kahrs L. A., Lenarz Th., Ortmaier T., Majdani O. (2018b): Determination of error sources and values for an individually mouldable surgical targeting system. [ doi].
89th Annual Meeting German Society of Oto-Rhino-Laryngology, Head and Neck Surgery, Mai 9-12, Lübeck, Germany
Kluge M., Rau Th., Lexow J., Lenarz Th., Majdani O. (2018a): Evaluation of the positional accuracy of the RoboJig for minimally invasive cochlear implant surgery. [ doi]
Majdani O., Kluge M., Kreul D., Lexow J., Lenarz Th., Rau Th. (2018a): Clinical assessment of the positioning accuracy of the RoboJig system by comparison with anatomical and surgical constraints. [ doi].
Müller M., Salcher R., Prenzler N., Lenarz Th., Maier H. (2018a): The Hannover Coupler 2.0: Optimization of Coupling between the Floating Mass Transducer and the Round Window. [ doi].
Rau Th., Hügl S., Lenarz Th., Majdani O. (2018a): On the benefit of ultra-slow insertion speed: reduced insertion forces in cochlear implantation surgery. [ doi].
Schwieger J., Hügl S., Hamm A., Lenarz Th., Hoffmann A., Rau Th., Scheper V. (2018b): BDNF-producing human mesenchymal stem cells in an alginate-matrix: neuroprotection and cochlear implant coating stability in vitro. [ doi].
ARO 2018 Logo ARO 41st Annual MidWinter Meeting, February 9-14, San Diego, CA, USA
John S., Kluge M., Erfurt P., Müller S., Lexow J., Kahrs L. A., Rau Th., Ortmaier T., Majdani O., Lenarz Th. (2018a): Feasibility of a Simple, Safe, and High-Precision Approach to Minimally Invasive Cochlear Implantation. In Proc. Association for Research in Otolaryngology (ARO) Vol 41:236-237.
Salcher R., Nullmeier M., Lenarz Th., Pawsey N., Waldmann B., Majdani O., Rau Th. (2018a): Electrode insertion force measurements in sheep temporal bones. In Proc. Association for Research in Otolaryngology (ARO) Vol 41:236.
Schwieger J., Hügl S., Hamm A., Lenarz Th., Hoffmann A., Rau Th., Scheper V (2018a): A Stem Cell-Alginate Coated Cochlear Implant for Chronic BDNF-Delivery is Stable and Neuroprotective In Vitro. In Proc. Association for Research in Otolaryngology (ARO) Vol 41:592-593.
Timm M. E., Schurzig D., Assadi M., Lenarz Th. (2018a): A Novel Approach for Clinical Cochlear Duct Length Estimation. In Proc. Association for Research in Otolaryngology (ARO) Vol 41:614.

Patents

Rau Th. S., Majdani O., Lenarz T., Kahrs L. A.: Surgical guidance device and method for its preparation. US patent application US 2018/0008367 A1. [ PAP].


2017

Journal Papers

Bergmeier J., Fitzpatrick J.M., Daentzer D., Majdani O., Ortmaier T., Kahrs L. A. (2017a): Workflow and simulation of image-to-physical registration of holes inside spongy bone. Int J Comput Assist Radiol Surg. 12(8):1425–1437. [ doi; IF: 1.827].

Büchner A., Illg A., Majdani O., Lenarz T. (2017a): Investigation of the effect of cochlear implant electrode length on speech comprehension in quiet and noise compared with the results with users of electro-acoustic-stimulation, a retrospective analysis. PLoS One. 12(5):e0174900. [; doi; IF: 3.057].

van Drunen W., Müller M., Glukhovskoy A., Salcher R., Wurz M., Lenarz T., Maier H. (2017a): Feasibility of Round Window Stimulation by a Novel Electromagnetic Microactuator. BioMed Research International 2017, Article ID: 6369247. [; doi; IF: 2.476].

Hügl S., Eckardt, F., Lexow J., Majdani O., Lenarz Th., Rau Th. S. (2017a): Increasing the resolution of morphological 3D image data sets through image stitching: application to the temporal bone. Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization. 5(6):438-445. [ doi].

Lyutenski S., Götz F., Giourgas A., Majdani O., Bültmann E., Lanfermann H., Lenarz Th., Giesemann A. M. (2017a): Does severity of cerebral MRI lesions in congenital CMV infection correlates with the outcome of cochlear implantation? Eur Arch Otorhinolaryngol. 274(3):1397–1403. [ doi; IF: 1.660].

Mirsalehi M., Mohebbi S., Ghajarzadeh M., Lenarz Th., Majdani O. (2017b): Impact of the round window membrane accessibility on hearing preservation in adult cochlear implantation. Eur Arch Otorhinolaryngol. 274(8):3049–3056. [ doi; IF: 1.660].

Mirsalehi M., Rau Th. S., Harbach L., Hügl S., Mohebbi S., Lenarz T., Majdani O. (2017a): Insertion forces and intracochlear trauma in temporal bone specimens implanted with a straight atraumatic electrode array. Eur Arch Otorhinolaryngol. 274(5):2131-2140. [ doi; IF: 1.627].

Mohebbi S., Mirsalehi M., Kahrs L. A., Ortmaier T., Lenarz T., Majdani O. (2017a): Experimental Visualization of Labyrinthine Structure with Optical Coherence Tomography. Iran J Otorhinolaryngol. 29(90):5-9. [; doi].

Zentner L., Griebel S., Wystup C., Hügl S., Rau Th. S., Majdani O. (2017a): Synthesis process of a compliant fluidmechanical actuator for use as an adaptive electrode carrier for cochlear implants. Mechanism and Machine Theory 112:155-171. [ doi; IF: 1.689].

Conference Papers

van Drunen W. J., Kacha Lachheb S., Glukhovskoy A., Twiefel J., Wurz M. C., Lenarz Th., Rau Th. S., Majdani O. (2017c): Investigation of intracochlear dual actuator stimulation in a scaled test rig. In Current Directions in Biomedical Engineering 3(2):119-122. [; doi].

Griebel S., Hügl S., Rau Th. S., Majdani O., Zentner L. (2017a): Nachgiebiger fluidmechanischer Aktuator für eine schonende Implantation am Beispiel eines vorgekrümmten Cochlea-Implantat-Elektrodenträgers. In Tagungsband 12. Kolloquium Getriebetechnik, 20.-22.09.2017 Dresden, TUDpress, S.235-254 [ISBN: 978-3-95908-111-5].

Hügl S., Zentner L., Griebel S., Majdani O., Rau Th. S. (2017e): Analysis of the customized implantation process of a compliant mechanism with fluidic actuation used for cochlear implant electrode carriers. In Engineering for a Changing World, Vol 59, 11.-15.09. 2017 Ilmenau, ilmedia [ urn].

Rau Th. S., Hügl S., Lenarz Th., Majdani O. (2017d): Toward steerable electrodes : an overview of concepts and current research. In Current Directions in Biomedical Engineering 3(2):765-769. [; doi].

16th Annual Meeting of the German Society for Computer and Robot Assisted Surgery (CURAC), 05.-07.10.2017, Hannover, Germany
Majdani O., Kluge M., Lexow G., John S., Kahrs L. A., Ortmaier T., Müller S., Gaa J., Nülle K., Lenarz Th., Rau Th. S. (2017c): Minimally invasive, mini-stereotactic approach for Cochlear Implant Surgery (CI): RoboJig. Pages 37-38.
John S., Schurzig D., Alcacer-Labrador D., Timm M. E., Rau Th. S., Lenarz Th. (2017): Combining Surgical Expertise and Statistical Results for the Clinical Evaluation of the Cochlear Size and Shape. Pages 101-105.
Rau Th. S., Hügl S., Salcher R., Lenarz Th., Majdani O. (2017c): Hydraulisch automatisierte Elektrodeninsertion. Pages 131-135.
Kluge M., Lexow G. J., Lenarz Th., Majdani O., Rau Th. S. (2017b): Untersuchung zur Genauigkeit des intraoperativen Fertigungssystems für den RoboJig. Pages 262-265.
SPIE Medical Imaging 2017. Image-Guided Procedures, Robotic Interventions, and Modeling. February 11–16, Orlando, FL, USA
Lexow G. J., Kluge M., Majdani O., Lenarz Th., Rau Th. S. (2017a): Phantom-based evaluation method for surgical assistance devices in minimally-invasive cochlear implantation. In Proc. SPIE Medical Imaging 2017. 101352N. [ doi].
Rau Th. S., Lexow G. J., Blume D., Kluge M., Lenarz Th., Majdani O. (2017a): Micro-stereotactic frame utilizing bone cement for individual fabrication. An initial investigation of its accuracy. In Proc. SPIE Medical Imaging 2017. 101350P. [ doi].

Posters & Abstracts

51th Annual Conference of German Society for Biomedical Engineering (BMT), Sept 10-13, Dresden, Germany
Hügl S., Rülander K., Lenarz Th., Majdani O., Rau Th. S. (2017d): Impact of insertion velocity on insertion forces in cochlear implantation surgery. In: Biomedical Engineering / Biomedizinische Technik 62(S1):S167. [ doi]
Hügl S., Zentner L., Griebel S., Majdani O., Lenarz Th., Rau Th. S. (2017b): Individualized design of fluidically actuated cochlear implants. In: Biomedical Engineering / Biomedizinische Technik 62(S1):S280. [ doi]
Rau Th. S., Majdani O., Lenarz Th. (2017e): Bildgebung des Innenohres bei der experimentellen Evaluierung von CI-Elektrodenträgern.
88th Annual Meeting German Society of Oto-Rhino-Laryngology, Head and Neck Surgery, Mai 24-27, Erfurt, Germany
Majdani O., Lexow J., Lenarz Th., Rau Th. S. (2017a): COMET: Anwenderfreundliche Vermessung der Cochlea-Länge auf präoperativen Bilddaten. [ doi].
Rau Th. S., Heil M., Lexow G. J., Lenarz Th., Majdani O. (2017b): Hydraulisches Insertionstool für langsames und gleichmäßiges Einführen von Cochlea-Implantat-Elektroden. [ doi].
Hügl S., Lexow G. J., Majdani O., Lenarz Th., Rau Th. S. (2017c): Untersuchung der anatomischen Variabilität perimodiolarer Scala Tympani Pfade als Grundlage individueller Cochlea-Implantat Elektrodenträger. [ doi].
van Drunen W. J., Kacha Lachheb S., Glukhovskoy A., Twiefel J., Wurz M. C., Lenarz Th., Rau Th. S., Majdani O. (2017b): Experimental investigation of the performance of piezoelectric actuators in a cochlea test rig. [ doi].
Kluge M., Rau Th. S., Lexow J., Kahrs L. A., Kobler J.-P., Ortmaier T., Lenarz Th., Majdani O. (2017a): Eine iterative Entwicklung eines Mini-Stereotaxiesystems für die laterale Schädelbasis. [ doi].

Majdani O., Kluge M., Lexow G. J., John S., Kahrs L. A., Ortmaier T., Müller S., Lenarz Th., Rau, Th. S. (2017b): Minimally invasive, mini-stereotactic approach for Cochlear Implant Surgery: RoboJIG. In: Tagungsband Festival della Scienza Medica, Bologna, 20-23 April 2017.

Patents

Rau Th. S., Majdani O., Lenarz T., Kahrs L. A.: Surgical guidance device and method for its preparation. EP 3 058 890 B1. [].

Griebel S., Hügl S., Rau Th. S., Majdani O., Wystup C., Lenarz T., Zentner L.: Adaptiver Elektrodenträger, seine Verwendung und Verfahren zur Insertion eines Cochlea-Implantat-Elektrodenträgers. DE 10 2016 003 295 B3. Erteilt am 23.03.2017. [].

Rau Th. S., Granna J., Majdani O., Burgner-Kahrs J.: Elektrodenanordnung eines Cochlea-Implantats, automatisierte Betätigungseinrichtung sowie Verwendung eines tubularen Manipulators. DE 10 2015 115 525 B4. Erteilt am 23.03.2017. [].


Previous publications can be found here:


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About The VIANNA research team