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Proceedings Paper

Endotracheal tubes for laser surgery: temperature rise and clinical experiences
Author(s): Hans-Jochen Foth; Dirk H. Meyer; Antonio Baker-Schreyer; Wolfgang Bergler; Karl Hoermann; Joseph Umgemach
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Paper Abstract

An infrared camera was used to measure the temperature rise which takes place in endotracheal tubes under laser irradiation. It was seen that a metallic tube was heated up within a second to temperatures of 200 degrees to 300 degrees Celsius which was very destructive to the PVC conduits inside of the tube. A compound tube, on the other hand, reached temperatures of only 38 degrees Celsius at its inner surface. The thermal induced destruction of the conduits inside of the metallic tube is seen as the reason for complications like airway blocking. Furthermore preliminary results of a randomized clinical study are presented, showing that the metallic tube needed higher pressure levels than the compound tube.

Paper Details

Date Published: 19 January 1996
PDF: 8 pages
Proc. SPIE 2623, Medical Applications of Lasers III, (19 January 1996); doi: 10.1117/12.230367
Show Author Affiliations
Hans-Jochen Foth, Univ. Kaiserslautern (Germany)
Dirk H. Meyer, Univ. Kaiserslautern (Germany)
Antonio Baker-Schreyer, Univ. Hospital Mannheim (Germany)
Wolfgang Bergler, Univ. Hospital Mannheim (Germany)
Karl Hoermann, Univ. Hospital Mannheim (Germany)
Joseph Umgemach, Univ. Hospital Mannheim (Germany)


Published in SPIE Proceedings Vol. 2623:
Medical Applications of Lasers III
Stephen G. Bown; Herbert J. Geschwind; Raimund Hibst; Frederic Laffitte; Giulio Maira; Roberto Pini; Hans-Dieter Reidenbach; Hans H. Scherer; Pasquale Spinelli, Editor(s)

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