DocumentCode
3366914
Title
Temperature elevation in tissue during ultrasonic dissection
Author
Koch, C. ; Friedrich, T. ; Metternich, F. ; Tannapfel, A. ; Reimann, H.-P. ; Eichfeld, U.
Author_Institution
Phys. Tech. Bundesanstalt, Braunschweig, Germany
Volume
2
fYear
2002
fDate
8-11 Oct. 2002
Firstpage
1469
Abstract
The temperature increase during the use of an ultrasonic surgery device was experimentally determined in vitro and in vivo with the aid of thermocouples of specific design. Temperature elevations by more than 40°C were found at 1 mm distance from the blade, whereas at distances of more than 5 mm, perfusion removed the heat very efficiently. It is concluded that during application of the harmonic scalpel a safety margin of 3 mm from sensitive structures should be kept.
Keywords
biomedical equipment; biomedical ultrasonics; biothermics; haemorheology; radiation therapy; surgery; thermocouples; 1 mm; 3 mm; 5 mm; efficient heat removal; perfusion; safety margin; sensitive structures; temperature elevation in tissue; temperature increase; ultrasonic dissection; ultrasonic surgery device; Animals; Blades; Hemorrhaging; In vitro; In vivo; Lungs; Safety; Surgery; Temperature measurement; Temperature sensors;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE
ISSN
1051-0117
Print_ISBN
0-7803-7582-3
Type
conf
DOI
10.1109/ULTSYM.2002.1192574
Filename
1192574
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