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Proceedings Paper

Hard-tissue ablation with a mechanically Q-switched CO2 laser
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Paper Abstract

Bone ablation with 400 ns pulses of a mechanically Q- switched CO2 laser is reported. A miniature water spray was used, which alleviates tissue carbonization, even at high laser pulse repetition rates, and increases ablation efficiency. An ablation threshold of less than 2 J/cm2, an optimal energy density of 10 J/cm2, and a corresponding specific ablation energy of 25 - 30 J/mm3 was found for pig thighbone compacta at (lambda) equals 9.57 micrometers , and a beam waist diameter of 0.5 mm.

Paper Details

Date Published: 4 January 1999
PDF: 6 pages
Proc. SPIE 3565, Thermal Therapy, Laser Welding, and Tissue Interaction, (4 January 1999); doi: 10.1117/12.335790
Show Author Affiliations
Mikhail M. Ivanenko, Institut fuer Lasermedizin/Univ. Duesseldorf (Germany)
Peter Hering, Institut fuer Lasermedizin/Univ. Duesseldorf (Germany)

Published in SPIE Proceedings Vol. 3565:
Thermal Therapy, Laser Welding, and Tissue Interaction
Stephen G. Bown; Guy P. Delacretaz; Guilhem Godlewski M.D.; Gerhard J. Mueller; Roberto Pini; Hans-Dieter Reidenbach; Rudolf W. Steiner; Lars Othar Svaasand; Karl-Goran Tranberg, Editor(s)

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