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Proceedings Paper

Endoscopic low coherence interferometry in upper airways
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Paper 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.

Paper Details

Date Published: 14 July 2009
PDF: 5 pages
Proc. SPIE 7372, Optical Coherence Tomography and Coherence Techniques IV, 73721Z (14 July 2009); doi: 10.1117/12.831801
Show Author Affiliations
Yves Delacrétaz, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Daniel Boss, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Florian Lang, Ctr. Hospitalier Univ. Vaudois (Switzerland)
Christian Depeursinge, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 7372:
Optical Coherence Tomography and Coherence Techniques IV
Peter E. Andersen; Brett E. Bouma, Editor(s)

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