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Spectral Analysis of the Acoustic Signal During Ablation of Biological Tissue with Pulsed CO2- Lasers

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Book cover Advances in Medical Engineering

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 114))

Abstract

The advantages of laser osteotomy are free cut geometry and minimal thermal damage. Due to the lack of haptic feedback there is need for an alternate feedback method for accurate Laser Osteotomy. Based on the frequency analysis of the acoustic signal, generated by the ablation process, we are developing a feedback system to obtain in situ information on the ablation and for differentiation between different sorts of biological tissue. We used a pulsed slab CO2-laser (wavelength 10.6 µm, pulse length 80 µs) and piezoelectric sensors for sound detection. We studied the correlation of the ablation signal of different kinds of tissue in the frequency domain.

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References

  1. F. A. Duck, in Physical Properties of Tissue, Academic Press, 1990.

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  2. M. Ivanenko, in Medical Laser Ablation of hard bone tissue with pulsed CO 2 lasers, Medical Laser Ablation, Vol. 20, 13, 2005.

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Author information

Authors and Affiliations

  1. center of advanced european studies and research (Caesar), Bonn, Germany

    Hendrik Steigerwald, Manfred Klasing, Mikhail Ivanenko & Christian Wagner

  2. caesar and Institute of Laser Medicine, University of Düsseldorf, Germany

    Martin Werner, Daniela Harbecke & Peter Hering

  3. physics department, University of Bonn, Germany

    Hendrik Steigerwald

Authors
  1. Hendrik Steigerwald
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  2. Martin Werner
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  3. Manfred Klasing
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  4. Mikhail Ivanenko
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  5. Daniela Harbecke
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  6. Christian Wagner
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  7. Peter Hering
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Editor information

Editors and Affiliations

  1. Institute of Medical Engineering, University of Luebeck, Ratzeburger Allee 160, D-23538, Luebeck, Germany

    Thorsten M. Buzug

  2. Department of Mathematics and Technology, RheinAhrCampus Remagen, Germany

    Dietrich Holz , Jens Bongartz , Matthias Kohl-Bareis  & Ulrich Hartmann , ,  & 

  3. Central Institute for Electronics, Research Centre Juelich, Germany

    Simone Weber

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© 2007 Springer-Verlag Berlin Heidelberg

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Steigerwald, H. et al. (2007). Spectral Analysis of the Acoustic Signal During Ablation of Biological Tissue with Pulsed CO2- Lasers. In: Buzug, T.M., Holz, D., Bongartz, J., Kohl-Bareis, M., Hartmann, U., Weber, S. (eds) Advances in Medical Engineering. Springer Proceedings in Physics, vol 114. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68764-1_71

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  • DOI: https://doi.org/10.1007/978-3-540-68764-1_71

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-68763-4

  • Online ISBN: 978-3-540-68764-1

  • eBook Packages: EngineeringEngineering (R0)

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