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Head of Institute:
Prof. Dr. rer. nat. Olaf Dössel 
Prof. Dr. rer. nat. Werner Nahm

Postal address:
Kaiserstr. 12
76131 Karlsruhe

Visitor / Delivery address:
Building 30.33
Fritz-Haber-Weg 1
76131 Karlsruhe

Fon: +49 721 608-42650
Fax: +49 721 608-42789
E-Mail: infoDxs9∂ibt kit edu


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Welcome to the home page of the Institute of Biomedical Engineering at Karlsruhe Institute of Technology (KIT). Since more than 50 years we do research and teaching in the field of Biomedical Engineering.

In interdisciplinary projects together with medical doctors and medical industries we investigate new technical systems, that help to diagnose diseases earlier and more accurate and that make therapies more successful.

Main focus of the research program of Prof. Dr. Olaf Doessel is the analysis of biosignals from the heart (ECG and electrograms), the imaging of electrophysiological sources in the heart (ECG Imaging), computer modelling of the heart and numerical field calculation in human body.

A second focus is currently established by Prof. Dr. Werner Nahm: it’s the research on optical systems in medicine and life sciences, e.g. new intraoperative applications of Optical Coherence Tomography (OCT) and confocal microscopy in neurosurgery.



DGBMT 2017
IBT strongly represented at the joint annual conference of the Society of Biomedical Engineering and of the Society of Medical Physics

The annual conference of the Society of Biomedical Engineering (DGBMT) 2017 took place in Dresden together with the Society of Medical Physics (DGMP).
Among 700 scientific contributions, the IBT was represented with 19 contributions and was one of the strongest groups at the annual conference. Furthermore, Areg Noshadi, Michael Stritt and Christian Marzi won the 1st, 2nd and 7th prize in the student competition of the DGBMT.

Presentation of an in-vitro study at EMBC 2017 in Jeju Island

Hyperthermia during radiofrequency ablation causes reversible and irreversible changes of the electrophysiological properties of cardiac tissue. In a recent published study, we investigated changes of conduction velocity in rat myocardium under hyperthermic conditions from macroscopic to microscopic scale by using simultaneous optical mapping and a miniaturized electrode array. The findings of this study may be used to develop further computational models of acute ablation lesions.

KIT Doktorandenpreis 2017
KIT Doctoral Award

Axel Loewe wins KIT Doctoral Award
KIT acknowledges outstanding doctoral researchers with the KIT Doctoral Award. One of the three prizes for the academic year 2015/16 was awarded to Axel Loewe  who is with the Institute of Biomedical Engineering for his PhD thesis  „Modeling human atrial patho-electrophysiology from ion channels to ECG: substrates, pharmacology, vulnerability, and P-waves“. The prize was awarded at the President’s honorable ceremony and presented by Vice President Kraft.

Review article "Computerized modeling of the human heart“ published


The next issue of the journal "Zeitschrift für Medizinische Physik“ features a review article on „Computerized modeling of the human heart“ by Olaf Dössel and Axel Loewe from IBT. The „Forum“ paper summarizes the state-of-the-art regarding modeling of cardiac electrophysiology, elasto-mechanics, fluid dynamics, and the circulatory system. Both the potential and challenges of this complementary research approach are discussed.

A computational study about the additional benefit of an ablation catheter with integrated mini electrodes

Radiofrequency ablation has become a first-line approach for curative therapy of many cardiac arrhythmias. In a recent published study, the additional diagnostic benefit of an ablation catheter with integrated mini electrodes was investigated. The computational study showed that catheters with mini electrodes bring about additional benefit to differentiate ablated tissue from nonablated tissue in parallel position with high spatial resolution.

Girls’ Day 2017
Girls’ Day 2017 at the IBT

27th of April 2017. The Girls’ Day took place and the IBT is pleased to introduce the world of Medical Technologie to the visiting girls. 19 girls signed in for our workshop on „Technology in the Hospital - visualizing heart and lung activities“. Content was the electric-impedancetomography, photoplethysmography and the electrocardiography. The short introduction into the methods and the fellowing experiments resulted in a phenomenal feedback. The active participation in our build-in questions and experiments made it a great and funny event. We’d like to thank the organizers, supporters, participants and we are looking forward to the next Girls’ Day 2018!