Abstract
For many years continous wave (cw) lasers, especially CO2 lasers, have been used to cut or to ablate tissue. The advantages are contact free application, high cutting or vaporizing efficiency and hemostasis. Hemostasis is due to coagulation of tissue adjacent to the cut. However, this thermally damaged tissue has subsequently to be disintegrated by the body causing an impaired wound healing and the risk of hypertrophic scar formation. For non vascularized tissue coagulation has no benefit and ablation with less thermal side effects is more advantageous. This can be achieved using pulsed laser systems like excimer or Er:YAG lasers. Tissue can be removed very precisely and sparingly, so that even the drilling of holes into a hair is possible ( Fig. 1 ).
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© 1991 Springer-Verlag Berlin, Heidelberg
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Hibst, R., Kaufmann, R. (1991). Fundamentals of Pulsed UV and Mid-infrared Laser Skin Ablation. In: Steiner, R., Kaufmann, R., Landthaler, M., Braun-Falco, O. (eds) Lasers in Dermatology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75201-8_9
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DOI: https://doi.org/10.1007/978-3-642-75201-8_9
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