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Localization strategies for robotic endoscopic capsules: a review
Federico Bianchi1, Antonino Masaracchia1, Erfan Shojaei Barjuei1
1a The BioRobotics Institute , Scuola Superiore Sant'Anna , Pisa , Italy.
Expert Review of Medical Devices
|May 7, 2019
Summary
Accurate localization of endoscopic capsules is crucial for early colorectal cancer detection. Integrating internal and external localization methods enhances device control and pathology identification for improved patient outcomes.
Area of Science:
- Medical Imaging
- Robotics
- Gastroenterology
Background:
- Colorectal cancer screening is vital but limited by invasive methods.
- Capsule endoscopy requires accurate localization for enhanced functionality.
- Early detection through mass screening significantly reduces mortality.
Purpose of the Study:
- To review current internal and external localization strategies for endoscopic capsules.
- To explore the potential of multimodal approaches for improved capsule localization.
- To enhance technological and medical features of capsule endoscopy.
Main Methods:
- Review of theoretical principles for localization.
- Analysis of magnetic, electromagnetic, and ultrasound-based localization techniques.
- Discussion of integrated multimodal localization approaches.
Main Results:
- Various localization strategies for endoscopic capsules have been developed.
- Magnetic and electromagnetic methods show promise for capsule localization.
- Ultrasound-based techniques offer alternative localization solutions.
Conclusions:
- Multimodal integration of localization methods increases accuracy and reliability.
- Enhanced pose estimation aids in closed-loop control and autonomous pathology identification.
- Improved localization supports retargeting and follow-up of detected pathologies.
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