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Erschienen in: International Journal of Computer Assisted Radiology and Surgery 9/2023

24.07.2023 | Original Article

Toward a novel soft robotic system for minimally invasive interventions

verfasst von: Noah Barnes, Olivia Young, Adira Colton, Xiaolong Liu, Miroslaw Janowski, Dheeraj Gandhi, Ryan Sochol, Jeremy Brown, Axel Krieger

Erschienen in: International Journal of Computer Assisted Radiology and Surgery | Ausgabe 9/2023

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Abstract

Purpose

During minimally invasive surgery, surgeons maneuver tools through complex anatomies, which is difficult without the ability to control the position of the tools inside the body. A potential solution for a substantial portion of these procedures is the efficient design and control of a pneumatically actuated soft robot system.

Methods

We designed and evaluated a system to control a steerable catheter tip. A macroscale 3D printed catheter tip was designed to have two separately pressurized channels to induce bending in two directions. A motorized hand controller was developed to allow users to control the bending angle while manually inserting the steerable tip. Preliminary characterization of two catheter tip prototypes was performed and used to map desired angle inputs into pressure commands.

Results

The integrated robotic system allowed both a novice and a skilled surgeon to position the steerable catheter tip at the location of cylindrical targets with sub-millimeter accuracy. The novice was able to reach each target within ten seconds and the skilled surgeon within five seconds on average.

Conclusion

This soft robotic system enables its user to simultaneously insert and bend the pneumatically actuated catheter tip with high accuracy and in a short amount of time. These results show promise concerning the development of a soft robotic system that can improve outcomes in minimally invasive interventions.

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Metadaten
Titel
Toward a novel soft robotic system for minimally invasive interventions
verfasst von
Noah Barnes
Olivia Young
Adira Colton
Xiaolong Liu
Miroslaw Janowski
Dheeraj Gandhi
Ryan Sochol
Jeremy Brown
Axel Krieger
Publikationsdatum
24.07.2023
Verlag
Springer International Publishing
Erschienen in
International Journal of Computer Assisted Radiology and Surgery / Ausgabe 9/2023
Print ISSN: 1861-6410
Elektronische ISSN: 1861-6429
DOI
https://doi.org/10.1007/s11548-023-02997-w

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