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Proceedings Paper

Ex-vivo investigations on endoluminal vein treatment procedures
Author(s): R. Sroka; C. Burgmeier; Oliver Meissner; Katrin Hunger; Gregor Barbaryka; W. Beyer; T. Beck; B. Steckmeier; C. Schmedt
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Paper Abstract

An ex-vivo model was developed for experimental evaluation of endoluminal thermal procedures for the occlusion of saphenous veins. The model consists of the subcutaneous foot vein from freshly slaughtered cows. Using this model primary and acute effects and initial mechanisms on vein vessel could be studied. In this study different energy sources (laser and radiofrequency generator), different energy application parameters (velocity, fluence, fluence rate, temperature) were compared. The dependency of using bare fibre and cylindrical diffusors could be investigated with respect to the induced effects on the vessels wall. Contraction of the vessels were measured and investigated macroscopically and microscopically as well as by means of optical coherence tomography. As a result an optimized treatment protocol could be developed and discussed with respect to the induced effects.

Paper Details

Date Published: 23 March 2007
PDF: 6 pages
Proc. SPIE 6424, Photonic Therapeutics and Diagnostics III, 64240M (23 March 2007); doi: 10.1117/12.700213
Show Author Affiliations
R. Sroka, Ludwig-Maximilians-Univ. München (Germany)
C. Burgmeier, Ludwig-Maximilians-Univ. München (Germany)
Oliver Meissner, Ludwig-Maximilians-Univ. München (Germany)
Katrin Hunger, Ludwig-Maximilians-Univ. München (Germany)
Gregor Barbaryka, Ludwig-Maximilians-Univ. München (Germany)
W. Beyer, Ludwig-Maximilians-Univ. München (Germany)
T. Beck, Ludwig-Maximilians-Univ. München (Germany)
B. Steckmeier, Ludwig-Maximilians-Univ. München (Germany)
C. Schmedt, Ludwig-Maximilians-Univ. München (Germany)


Published in SPIE Proceedings Vol. 6424:
Photonic Therapeutics and Diagnostics III
Henry Hirschberg; Steen J. Madsen; Brian Jet-Fei Wong; Justus F. R. Ilgner; Reza S. Malek; Kenton W. Gregory; Guillermo J. Tearney; Nikiforos Kollias; Bernard Choi; Haishan Zeng, Editor(s)

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