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Generation and Distribution of Surgical Smoke During High Frequency Electrocauterization

  • Surgical Smoke is generated during the cauterization of tissue with high-frequency (HF) devices and consists of 95% water vapor and 5% cellular debris. When the coagulation tweezers, which are supplied with HF voltage by the HF device, touch tissue, the electric circuit is closed, and smoke is generated by the heat. In-vivo investigations are performed during tracheotomies where surgical smoke is produced during coagulation of tissue. Furthermore, in-vitro parametric studies to investigate the particle number and size distribution and the spatial distribution of surgical smoke with laser light sheet technique are conducted. With higher power of the HF device, the particles generated are larger in size and the total number of particles generated is also higher. Adding artificial saliva to the tissue shows even higher particle counts. The study by laser light sheet also confirms this. The resulting characteristic size distribution, which may include viruses and bacterial components, confirms considering the risk arising from surgical smoke. Furthermore, the experiments will provide the database for further numerical investigations.

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Metadaten
Author:Vera StelzerORCiD, Sandra Melina TauwaldORCiD, Veronika VielsmeierORCiD, Fabian CieplikORCiD, Arne Kandulski, Wulf Schneider-BrachertORCiD, Olaf WünschORCiD, Markus RüttenORCiD, Lars KrenkelORCiDGND
DOI:https://doi.org/10.1007/978-3-031-40482-5_53
ISBN:978-3-031-40481-8
Parent Title (English):New Results in Numerical and Experimental Fluid Mechanics XIV. STAB/DGLR Symposium 2022
Publisher:Springer Nature Switzerland AG
Place of publication:Cham, Switzerland
Editor:Andreas Dillman, Gerd Heller, Ewald Kraemer, Claus Wagner, Julien Weiss
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2023
Release Date:2023/03/20
Tag:Aerosols; Fluid Mechanics; Surgical smoke; Tracheotomies
First Page:559
Last Page:568
Andere Schriftenreihe:Notes on Numerical Fluid Mechanics and Multidisciplinary Design ; 154
Institutes:Fakultät Maschinenbau
Regensburg Center of Biomedical Engineering - RCBE
Regensburg Center of Health Sciences and Technology - RCHST
Fakultät Maschinenbau / Labor Biofluidmechanik
Begutachtungsstatus:peer-reviewed
research focus:Lebenswissenschaften und Ethik
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG