Abstract
We have carried out a series of experimental laparoscopic cholecystectomy in dogs (n=20). In our animal experiments, laparoscopic removal of the gallbladder was performed by Nd-YAG laser, ligating the cystic artery and cystic ducy with the clips used for vascular ligation. The irradiation of Nd-YAG laser for the ablation of the gallbladder using the bare quartz was done under 10-15 watts of output with 2,000-5,000J in total energy. Then, we have carried out a series of laparoscopic cholecystectomy in human (n=8) in same procedure. This procedure requires a comprehensive technical integration, such as the preparations of optimum instruments, excellent skills and the cooperation with surgeons. From the experience, it will be concluded that this poocedure has a greater advantage over the conventional open surgical methods, which surely promise the highly quality of life (QOL).
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