All-reflective tethered capsule endoscope for multimodal esophageal imaging

Xavier Attendu; Paul R. Bloemen; Niels H. Kind; Daniel M. de Bruin; Dirk J. Faber; Caroline Boudoux; Ton G. van Leeuwen

doi:10.1117/12.3003072

13 March 2024 All-reflective tethered capsule endoscope for multimodal esophageal imaging

Xavier Attendu, Paul R. Bloemen, Niels H. Kind, Daniel M. de Bruin, Dirk J. Faber, Caroline Boudoux, Ton G. van Leeuwen

Proceedings Volume PC12820, Endoscopic Microscopy XIX; PC128200D (2024) https://doi.org/10.1117/12.3003072
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

We demonstrate an all-reflective tethered capsule endoscope (RTCE) utilizing double-clad fiber and reflective optics for achromatic multimodal imaging of the esophagus. This device uses a custom ellipsoidal mirror to focus the light from the fiber tip onto the sample. In this work, we first describe key design parameters and highlight important assembly steps. We then demonstrate several data processing/analysis methods for signal multiplexing, rotation stabilization, and image analysis. Finally, we demonstrate the implementation of the capsule by performing combined OCT and spectral imaging in ex-vivo biological samples.

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Citation Download Citation

Xavier Attendu, Paul R. Bloemen, Niels H. Kind, Daniel M. de Bruin, Dirk J. Faber, Caroline Boudoux, and Ton G. van Leeuwen "All-reflective tethered capsule endoscope for multimodal esophageal imaging", Proc. SPIE PC12820, Endoscopic Microscopy XIX, PC128200D (13 March 2024); https://doi.org/10.1117/12.3003072

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KEYWORDS

Biological imaging

Endoscopes

Multimodal imaging

Optical coherence tomography

Image analysis

Image stabilization

Imaging spectroscopy

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