3D catheter guidance including shape sensing for endovascular navigation

Sonja Jäckle; Verónica García-Vázquez; Felix von Haxthausen; Tim Eixmann; Malte Maria Sieren; Hinnerk Schulz-Hildebrandt; Gereon Hüttmann; Floris Ernst; Markus Kleemann; Torben Pätz

doi:10.1117/12.2548094

16 March 2020 3D catheter guidance including shape sensing for endovascular navigation

Sonja Jäckle, Verónica García-Vázquez, Felix von Haxthausen, Tim Eixmann, Malte Maria Sieren, Hinnerk Schulz-Hildebrandt, Gereon Hüttmann, Floris Ernst, Markus Kleemann, Torben Pätz

Author Affiliations +

Proceedings Volume 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling; 1131504 (2020) https://doi.org/10.1117/12.2548094
Event: SPIE Medical Imaging, 2020, Houston, Texas, United States

Abstract

Currently, uoroscopy and conventional digital subtraction angiography are used for imaging guidance in endovascular aortic repair (EVAR) procedures. Drawbacks of these image modalities are X-ray exposure, the usage of contrast agents and the lack of depth information. To overcome these disadvantages, a catheter prototype containing a multicore fiber with fiber Bragg gratings for shape sensing and three electromagnetic (EM) sensors for locating the shape was built in this study. Furthermore, a model for processing the input data from the tracking systems to obtain the located 3D shape of the first 38 cm of the catheter was introduced: A spatial calibration between the optical fiber and each EM sensor was made in a calibration step and used to obtain the located shape of the catheter in subsequent experiments. The evaluation of our shape localization method with the catheter prototype in different shapes resulted in average errors from 0.99 to 2.29 mm and maximum errors from 1.73 to 2.99 mm. The experiments showed that an accurate shape localization with a multicore fiber and three EM sensors is possible, and that this catheter guidance is promising for EVAR procedures. Future work will be focused on the development of catheter guidance based on shape sensing with a multicore fiber, and the orientation and position of less than three EM sensors.

Conference Presentation

Citation Download Citation

Sonja Jäckle, Verónica García-Vázquez, Felix von Haxthausen, Tim Eixmann, Malte Maria Sieren, Hinnerk Schulz-Hildebrandt, Gereon Hüttmann, Floris Ernst, Markus Kleemann, and Torben Pätz "3D catheter guidance including shape sensing for endovascular navigation", Proc. SPIE 11315, Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling, 1131504 (16 March 2020); https://doi.org/10.1117/12.2548094

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