Effect of cooling water on ablation in Er:YAG laserosteotome of hard bone

Conference paper (2017)

Authors

H. Abbasi University of Basel

Lina M. Beltrán Bernal University of Basel

Georg Rauter University of Basel

Raphael Guzman University Hospital Basel

Philippe C. Cattin University of Basel

Azhar Zam University of Basel

Affiliation

External organisation

Minimally invasive surgery Ablation Carbonization Cooling water Laserosteotome Er:YAG Microsecond pulse Porcine bone

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Published Date

2017

Language

English

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Abstract

The aim of this paper is to examine the effect of pig bone immersion in different levels of cooling water during laser ablation with a Er:YAG laser. The laser worked at 2940 nm wavelength and 10 Hz repetition rate in microseconds pulse duration regime. The bone was immersed in different levels of cooling water in a sample container for preventing carbonization. The bone samples were ablated with fixed deposited energy to investigate at which water level Er:YAG lasers start ablating bone through a layer of water. Results showed that the maximum level of water that laser can pass through to start the ablation nonlinearly depends on pulse energy.