Experimental studies on the application of Micro-Laser Surgery.

概要

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Using a newly manufactured low-output CO2laser, the adhesion of the incised wounds (2 cm in length), created on the backs of rats, and the anastomosis of rat common carotid arteries (0.8-1.2 mm diameter) were attempted and compared with those performed by conventional suture techniques. The results were as follows: 1) The antitension of the incised wounds were higher in the groups adhered by irradiation with lasers than in the groups sutured by conventional techniques. 2) We found hair growth on the laser irradiated area. 3) Between the two groups there was no difference on the way the wounds healed. 4) The success of anastomosis of rat common carotid arteries by laser irradiation was 91.8%, but the success of those by conventional suture techniques was 77.1%. 5) If the anastomosis of small arteries by laser techniques was performed with too high power lasers, blood-vessel dilatation or aneurysm would be observed at the anastomosis area.
社団法人日本口腔外科学会の論文