Endoscopic low coherence interferometry in upper airways

Yves Delacrétaz; Daniel Boss; Florian Lang; Christian Depeursinge

doi:10.1117/12.831801

13 July 2009 Endoscopic low coherence interferometry in upper airways

Yves Delacrétaz, Daniel Boss, Florian Lang, Christian Depeursinge

Proceedings Volume 7372, Optical Coherence Tomography and Coherence Techniques IV; 73721Z (2009) https://doi.org/10.1117/12.831801
Event: European Conferences on Biomedical Optics, 2009, Munich, Germany

Abstract

We introduce Endoscopic Low Coherence Interferometry to obtain topology of upper airways through commonly used rigid endoscopes. Quantitative dimensioning of upper airways pathologies is crucial to provide maximum health recovery chances, for example in order to choose the correct stent to treat endoluminal obstructing pathologies. Our device is fully compatible with procedures used in day-to-day examinations and can potentially be brought to bedside. Besides this, the approach described here can be almost straightforwardly adapted to other endoscopy-related field of interest, such as gastroscopy and arthroscopy. The principle of the method is first exposed, then filtering procedure used to extract the depth information is described. Finally, demonstration of the method ability to operate on biological samples is assessed through measurements on ex-vivo pork bronchi.

Citation Download Citation

Yves Delacrétaz, Daniel Boss, Florian Lang, and Christian Depeursinge "Endoscopic low coherence interferometry in upper airways", Proc. SPIE 7372, Optical Coherence Tomography and Coherence Techniques IV, 73721Z (13 July 2009); https://doi.org/10.1117/12.831801

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