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  Picosecond infrared laser (PIRL): an ideal phonomicrosurgical laser?

Hess, M., Hildebrandt, M. D., Müller, F., Kruber, S., Krötz, P., Schumacher, U., et al. (2013). Picosecond infrared laser (PIRL): an ideal phonomicrosurgical laser? European Archives of Oto-Rhino-Laryngology, 270(11), 2927-2937. doi:10.1007/s00405-013-2561-6.

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http://dx.doi.org/10.1007/s00405-013-2561-6 (Publisher version)
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 Creators:
Hess, Markus1, Author
Hildebrandt, Michael Dominik1, Author
Müller, Frank1, Author
Kruber, Sebastian2, 3, Author              
Krötz, Peter2, 3, Author              
Schumacher, Udo4, Author
Reimer, Rudolph5, Author
Kammal, Michael6, Author
Püschel, Klaus6, Author
Wöllmer, Wolfgang7, Author
Miller, R. J. Dwayne2, 3, Author              
Affiliations:
1Department of Voice, Speech and Hearing Disorders, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany , ou_persistent22              
2Atomically Resolved Structural Dynamics Division, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173636              
3Center for Free Electron Laser Science, Hamburg, Germany, ou_persistent22              
4Department of Anatomy and Experimental Morphology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany , ou_persistent22              
5Research Group of Electron Microscopy and Micro-Technology, Heinrich-Pette-Institute, Leibnitz Institute of Experimental Virology, Hamburg, Germany , ou_persistent22              
6Department of Legal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany , ou_persistent22              
7Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany , ou_persistent22              

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Free keywords: Otorhinolaryngology; Neurosurgery; Head and Neck Surgery; Laser surgery; Carbon dioxide laser; CO2 laser; Picosecond infrared laser; PIRL; Scalpel; Vocal folds; Phonomicrosurgery; ESEM; Microscopy
 Abstract: A comparison of tissue cutting effects in excised cadaver human vocal folds after incisions with three different instruments [scalpel, CO2 laser and the picosecond infrared laser—(PIRL)] was performed. In total, 15 larynges were taken from human cadavers shortly after death. After deep freezing and thawing for the experiment, the vocal folds suspended in the hemilarynx were incised. Histology and environmental scanning electron microscopy (ESEM) analyses were performed. Damage zones after cold instrument cuts ranged from 51 to 135 μm, as compared to 9–28 μm after cutting with the PIRL. It was shown that PIRL incision had smaller zones of tissue coagulation and tissue destruction, when compared with scalpel and CO2 laser cuts. The PIRL technology provides an (almost) atraumatic laser, which offers a quantum jump towards realistic ‘micro’-phonosurgery on a factual cellular dimension, almost entirely avoiding coagulation, carbonization, or other ways of major tissue destruction in the vicinity of the intervention area. Although not available for clinical use yet, the new technique appears promising for future clinical applications, so that technical and methodological characteristics as well as tissue experiments seem worthwhile to be communicated at this stage of development.

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Language(s): eng - English
 Dates: 2012-12-152013-05-082013-05-252013-11
 Publication Status: Published in print
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s00405-013-2561-6
 Degree: -

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Title: European Archives of Oto-Rhino-Laryngology
  Abbreviation : Eur. Arch. Otorhinolaryngol.
Source Genre: Journal
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Publ. Info: Springer Berlin Heidelberg
Pages: - Volume / Issue: 270 (11) Sequence Number: - Start / End Page: 2927 - 2937 Identifier: ISSN: 0937-4477
CoNE: https://pure.mpg.de/cone/journals/resource/0937-4477