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Current Directions in Biomedical Engineering

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Buzug, Thorsten M. / Haueisen, Jens / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Kraft, Marc / Lenarz, Thomas / Leonhardt, Steffen / Malberg, Hagen / Penzel, Thomas / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Urban, Gerald A.

Open Access
Online
ISSN
2364-5504
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Flexible interventional imaging system based on miniaturized X-ray tubes (FlexScan)

Sinja Lagotzki
  • Corresponding author
  • Chair for Catheter Technologies, Otto-von-Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
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/ Iftikhar
  • Muhammad Usama Chair for Catheter Technologies, Otto-von-Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
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/ Michael Friebe
  • Chair for Catheter Technologies, Otto-von-Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
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/ Axel Boese
  • Chair for Catheter Technologies, Otto-von-Guericke University, Universitätsplatz 2, 39106 Magdeburg, Germany
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Published Online: 2018-09-22 | DOI: https://doi.org/10.1515/cdbme-2018-0016

Abstract

In orthopedic hand surgeries C-arms are the standard imaging modalities for procedure and tool guidance. However, the currently used systems have a large footprint and high weight, which can lead to workspace restrictions and difficult positioning of the device at the desired imaging position. The aim of this paper is to present a prototype of a new, flexible, lightweight and small footprint X-ray system, which is capable to create 2D projection images from different orientations. The new design includes a miniaturized Xray tube covered in a custom-made case mounted on a flexible holding arm attached to the standard OR table rail. With that, fast positioning and fixation for the subsequent image acquisition is achieved. A flat panel detector is placed in an adjustable metal sheet construction below the table. For safety aspects an overlay of the X-ray cone beam with an integrated light source visualizes the irradiation area. The acquired images are visualized on a 2-in-1 netbook. A foot pedal initiates the imaging process. A prototype of the free movable miniaturized X-ray system FlexScan was build. Workspace restriction, usability and general imaging needs were simulated and tested. FlexScan has the potential to improve X-ray guided interventions on extremities especially for small private surgery centers. It fulfills the general imaging needs and is capable of producing 2D projection images from different orientations within a small and lightweight setup.

Keywords: hand surgery; orthopedic surgery; miniaturized X-ray system; standard table rail; small footprint; free movable arm

About the article

Published Online: 2018-09-22

Published in Print: 2018-09-01


Citation Information: Current Directions in Biomedical Engineering, Volume 4, Issue 1, Pages 63–66, ISSN (Online) 2364-5504, DOI: https://doi.org/10.1515/cdbme-2018-0016.

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