Heating and cutting of biological tissue by highly absorbed laser beams: theoretical model and experiments

1990 ◽  
Author(s):  
A. M. Sagi ◽  
Avraham Shitzer ◽  
Ariella Avidor ◽  
Solange Akselrod ◽  
Abraham Katzir
Keyword(s):  
Theoretical Model ◽  
Biological Tissue ◽  
Laser Beams

Theoretical model of an optothermal microactuator directly driven by laser beams

2015 ◽  
Vol 25 (7) ◽  
pp. 075012 ◽  
Author(s):  
Xu Han ◽  
Haijun Zhang ◽  
Rui Xu ◽  
Shuying Wang ◽  
Chun Qin
Keyword(s):  
Theoretical Model ◽  
Laser Beams

Measurement of the Laser Exposure Levels for Burn Threshold in Biological Tissue

1984 ◽  
Vol 106 (3) ◽  
pp. 283-284 ◽  
Author(s):  
G. Laufer ◽  
H. Z. Joachims ◽  
I. Eliachar ◽  
D. Mordechovitz
Keyword(s):  
Theoretical Model ◽  
Soft Tissue ◽  
Energy Density ◽  
Biological Tissue ◽  
Pain Threshold ◽  
Laser Energy ◽  
Laser Energy Density ◽  
Laser Exposure ◽  
Safety Standards ◽  
Exposure Levels

Experiments for the evaluation of the laser energy density required to induce burn threshold in biological tissue are presented. The results are compared with a theoretical model. The values obtained for soft tissue are higher than the pain threshold and the safety standards for the maximum permissible exposure. This is due to the different nature of injury associated with the surgical process.

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