Abstract
This study aims at the observation by which osteosynthesis after Osteotomy by Excimer laser.
Shank bone of Rats were cut by KrF Excimer Laser (wave length 248nm, palsewidth. 15ns, frequency 30Hz, pulse energy 80mJ, focus wide 0.1 mm2) Then fixed again by wire and metal plate from the outside of the skin.
Specimen was taken at 2 weeks, 4 weeks, 6 weeks and 8 weeks after operation, and fixed in formalin for light microscopic observation, Moreover, the cutting side was observed with a scanning type electronic microscope immediately after cutting.
Result
The cutting side of the bone was smooth and no heat effect was seen immediately after Osteotomy. Also between the cutting surface, the organization of cartilage was observed four weeks after fixation.
