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Proceedings Paper

Experimental study of biological effect on canine stomach in vitro by Nd:YAP laser
Author(s): Mei-Jue Zhang; Jing Zhu; Hui-Guo Zhang
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Paper Abstract

Objective: To evaluate the biological effect of Nd:YAP laser in different power and irradiation time on canine stomach in vitro. Methods: The canine stomach in vitro was irradiated by Nd:YAP laser with different power and irradiation time. The damage with naked eye, micro and ultramicro structure was observed. Results: The thermal coagulation effect is mostly and the ablation effect is subordinate on biological effect of Nd:YAP laser on canine stomach in vitro. Thermal coagulation and denaturalization time of whole stratum in pathology is 10W, 5s; 20W, 4s; 30W, 2s; 40~60W, 1s. Conclusions: Safety dose of laser beam on canine stomach in vitro is 10W, time less than 5s; 20W, time less than 4s; 30W, time less than 2s. The ablation and thermal coagulation effects of Nd:YAP laser on canine stomach in vitro is positive correlative with power and time.

Paper Details

Date Published: 11 September 2006
PDF: 8 pages
Proc. SPIE 5967, 2004 Shanghai International Conference on Laser Medicine and Surgery, 59670K (11 September 2006); doi: 10.1117/12.639192
Show Author Affiliations
Mei-Jue Zhang, Renji Hospital/Shanghai Second Medical Univ. (China)
Jing Zhu, Renji Hospital/Shanghai Second Medical Univ. (China)
Hui-Guo Zhang, Renji Hospital/Shanghai Second Medical Univ. (China)


Published in SPIE Proceedings Vol. 5967:
2004 Shanghai International Conference on Laser Medicine and Surgery
Jing Zhu, Editor(s)

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