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  4. Towards contactless optical coherence elastography with acoustic tissue excitation
 
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Towards contactless optical coherence elastography with acoustic tissue excitation

Citation Link: https://doi.org/10.15480/882.3730
Publikationstyp
Journal Article
Date Issued
2015-09-15
Sprache
English
Author(s)
Düwel, Dino  
Otte, Christoph  
Schulz, Kevin  
Saathoff, Thore Lübbo Ilmari  
Schlaefer, Alexander  
Institut
Medizintechnische und Intelligente Systeme E-1  
TORE-DOI
10.15480/882.3730
TORE-URI
http://hdl.handle.net/11420/10172
Journal
Current directions in biomedical engineering  
Volume
1
Issue
1
Start Page
215
End Page
219
Citation
Current Directions in Biomedical Engineering 1 (1): 215-219 (2015)
Publisher DOI
10.1515/cdbme-2015-0054
Scopus ID
2-s2.0-85112673914
Publisher
De Gruyter
Elastography presents an interesting approach to complement image data with mechanical tissue properties. Typically, the tissue is excited by direct contact to a probe. We study contactless elastography based on optical coherence tomography (OCT) and dynamic acoustic tissue excitation with airborne sound. We illustrate the principle and an implementation using sound waves of 135 Hz to excite the tissue. The displacement is measured and results of several tests indicate the feasibility to obtain a qualitative measure of the mechanical tissue properties. The approach is interesting for optical palpation, e.g., to enhance navigation and tissue characterization in minimally invasive and robot-assisted surgery.
Subjects
Elastography
Mechanical Tissue Properties
OCE
OCT
Optical Coherence Tomography
Tissue Classification
Vibrometry
DDC Class
600: Technik
610: Medizin
Funding(s)
Mechatronisch geführte Mikronavigation von Nadeln in Weichgewebe  
Funding Organisations
Deutsche Forschungsgemeinschaft (DFG)  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by-nc-nd/3.0/
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