New Application of Laser in Surgery-Using CO2 Laser and YAG-Laser to Seal the Rupture of Spleen on Dogs
Using CO2 laser and YAG laser to seal experimental created the rupture of spleen on six dogs? the results were excellent. The incisions were made with scalpel, it’s length was 30–50mm and depth was 4–10mm. CO2 laser: power output 3W, spot size 0.3mm, energy density 1800–16200 J/sqcm, YAG laser: power at the tip of the fiber 5W, energy density 4095–14333J/sqcm. After sealing, the animals were killed at 0, 1, 3, 12 and 28 days respectively. The macroscopic and microscopic findings showed that the healing of lesions were excellent. Our primery experiment shows that CO2 laser and YAG laser may be used to seal the ruputer of spleen. The demage of CO2 laser was smaller then that of YAG laser, but YAG laser was more useful for blood field and more effective for the larger ruputer of spleen.
KeywordsCO2 laser YAG laser
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