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Millimeter-wave imaging and near-field spectroscopy for burn wound assessment

Hecht, Damaris ; Ullmann, Ingrid ; Oppelt, Daniel ; Pfahler, Tim ; Amer, Nadia ; Vossiek, Martin (2023)
Millimeter-wave imaging and near-field spectroscopy for burn wound assessment.
In: Frequenz, 2022, 76 (11-12)
doi: 10.26083/tuprints-00023211
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Millimeter-wave imaging and near-field spectroscopy for burn wound assessment
Language: English
Date: 1 March 2023
Place of Publication: Darmstadt
Year of primary publication: 2022
Publisher: De Gruyter
Journal or Publication Title: Frequenz
Volume of the journal: 76
Issue Number: 11-12
DOI: 10.26083/tuprints-00023211
Corresponding Links:
Origin: Secondary publication

Diagnostic applications for skin in the microwave range have developed significantly in recent years, due the non-invasiveness of these applications and their ability to assess tissue water content. Despite their capabilities, however, there is still no appropriate clinically applicable microwave tool for the assessment of burn wounds. A common practice is the visual inspection and evaluation of burns by the doctor, which is a challenging task even for experienced medical professionals. An incorrect assessment can have far-reaching consequences, such as unnecessary surgery or surgery that is necessary but omitted. In this paper, two different approaches of millimeter-wave burn wound assessment are presented: millimeter-wave imaging and near-field spectroscopy. For imaging, a MIMO sparse array was used to assess ex vivo burns on porcine skin in the frequency range of 70–80 GHz. With a resonant millimeter-wave near-field probe, reflective spectroscopy at individual sites of an ex vivo burn on porcine skin in the frequency range of 75–110 GHz was performed. The results showed individual advantages and drawbacks for both approaches, with surprising benefits of the spectroscopic method. Nevertheless, both approaches were shown to be suitable for clinical usage in diagnosing burns.

Uncontrolled Keywords: burn injuries, millimeter-wave imaging, millimeter-wave spectroscopy, near-field probe, reflectometry
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-232113
Classification DDC: 500 Science and mathematics > 530 Physics
600 Technology, medicine, applied sciences > 610 Medicine and health
600 Technology, medicine, applied sciences > 620 Engineering and machine engineering
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP)
Date Deposited: 01 Mar 2023 10:09
Last Modified: 28 Sep 2023 11:08
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/23211
PPN: 511934343
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