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A laser Doppler system for intracerebral measurements during stereotactic neurosurgery
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology. (MINT)ORCID iD: 0000-0002-0012-7867
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology.
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology.
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology.
2007 (English)In: Engineering in Medicine and Biology Society, 2007. EMBS 2007, IEEE , 2007, 4083-4086 p.Conference paper, Published paper (Refereed)
Abstract [en]

A laser Doppler system for intracerebral measurements during stereotactic and functional neurosurgery is presented. The system comprises a laser Doppler perfusion monitor, an optical probe adapted for the Leksellreg stereotactic system and a personal computer with software for acquisition, data analysis and presentation. The software makes it possible to present both the perfusion and the total backscattered light intensity (TLI) in real-time. During intracerebral measurements, the perfusion signal records the tissue's microcirculation whereas the TLI signal may be used to distinguish between grey and white matter. Evaluation of the system has been done during stereotactic neurosurgery in relation to implantation of deep brain stimulation electrodes. Measurements were made along trajectories towards targets in the deep brain structure as well as in pre-calculated target areas. The measurements show that the system has a potential to be used for intracerebral guidance but further evaluation of the technique is needed.

Place, publisher, year, edition, pages
IEEE , 2007. 4083-4086 p.
Series
IEEE Engineering in Medicine and Biology Society. Conference Proceedings, ISSN 1557-170X
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-38409DOI: 10.1109/IEMBS.2007.4353231Local ID: 44245ISBN: 9781424407873 (print)ISBN: 9781424407880 (electronic)OAI: oai:DiVA.org:liu-38409DiVA: diva2:259258
Conference
29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS 2007), 22-26 August 2007, Lyon, France
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-02-17Bibliographically approved

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Wårdell, KarinFors, CarinaAntonsson, JohanEriksson, Ola

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