Abstract

Recentty, the carbon dioxide laser has been introduced into the gynecologic fields. The use of CO2 laser is very useful to avoid surgical trauma and to get complete hemostasis from the surgical margin. We have performed the end-to-end anastomosis of the rabbits fallopian tube by means of the CO2 laser (SHARPLAN 791) in order to evaluate its application in tubal microsurgery and to study the healing process and the effect on subsequent functions of the oviduct.The CO2 laser is very useful for microsurgical tubal anastomosis. Complete hemostasis can be obtained and cut end of the tube is remarkably undisturbed. To compare with 200mm and 50mm focal lenses, the former tends to cause wider tissue destruction and more epithelial changes than the latter. But, cutting of the tube using 50mm and 200mm lenses give similar pregnancy rate(50nm: 83.3%, 200mm: 91.6%).To evaluate from these resuts, the 50mm lens is preferable for tubal anastomosis to minimize thermal damage caused by CO2 laser beam and to prevent the bleeding from the cut end of the tube.

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