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Merhof, Dorit

Biomedical Engineering / Biomedizinische Technik

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

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Habibović, Pamela / Haueisen, Jens / Jahnen-Dechent, Wilhelm / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Leonhardt, Steffen / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Boenick, Ulrich / Jaramaz, Branislav / Kraft, Marc / Lenarz, Thomas / Lenthe, Harry / Lo, Benny / Mainardi, Luca / Micera, Silvestro / Penzel, Thomas / Robitzki, Andrea A. / Schaeffter, Tobias / Snedeker, Jess G. / Sörnmo, Leif / Sugano, Nobuhiko / Werner, Jürgen /


IMPACT FACTOR 2018: 1.007
5-year IMPACT FACTOR: 1.390

CiteScore 2018: 1.24

SCImago Journal Rank (SJR) 2018: 0.282
Source Normalized Impact per Paper (SNIP) 2018: 0.831

Online
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1862-278X
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Volume 63, Issue 1

Issues

Volume 57 (2012)

OR.NET RT: how service-oriented medical device architecture meets real-time communication

Jonas H. Pfeiffer
  • Corresponding author
  • Institute of Micro Technology and Medical Device Technology, Technical University of Munich, 85748 Garching, Germany
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/ Martin KasparickORCID iD: http://orcid.org/0000-0003-0577-8463 / Benjamin Strathen / Christian Dietz
  • Institute of Micro Technology and Medical Device Technology, Technical University of Munich, 85748 Garching, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Max E. Dingler
  • Institute of Micro Technology and Medical Device Technology, Technical University of Munich, 85748 Garching, Germany
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/ Tim C. Lueth
  • Institute of Micro Technology and Medical Device Technology, Technical University of Munich, 85748 Garching, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Dirk Timmermann
  • Institute of Applied Microelectronics and Computer Engineering, University of Rostock, 18119 Rostock, Germany
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  • De Gruyter OnlineGoogle Scholar
/ Klaus Radermacher / Frank Golatowski
  • Institute of Applied Microelectronics and Computer Engineering, University of Rostock, 18119 Rostock, Germany
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  • De Gruyter OnlineGoogle Scholar
Published Online: 2017-10-31 | DOI: https://doi.org/10.1515/bmt-2017-0016

Abstract

Today’s landscape of medical devices is dominated by stand-alone systems and proprietary interfaces lacking cross-vendor interoperability. This complicates or even impedes the innovation of novel, intelligent assistance systems relying on the collaboration of medical devices. Emerging approaches use the service-oriented architecture (SOA) paradigm based on Internet protocol (IP) to enable communication between medical devices. While this works well for scenarios with no or only soft timing constraints, the underlying best-effort communication scheme is insufficient for time critical data. Real-time (RT) networks are able to reliably guarantee fixed latency boundaries, for example, by using time division multiple access (TDMA) communication patterns. However, deterministic RT networks come with their own limitations such as tedious, inflexible configuration and a more restricted bandwidth allocation. In this contribution we overcome the drawbacks of both approaches by describing and implementing mechanisms that allow the two networks to interact. We introduce the first implementation of a medical device network that offers hard RT guarantees for control and sensor data and integrates into SOA networks. Based on two application examples we show how the flexibility of SOA networks and the reliability of RT networks can be combined to achieve an open network infrastructure for medical devices in the operating room (OR).

Keywords: closed-loop control; footswitch; IEEE 11073 SDC; integrated operating room; interoperability; navigated control; OR.NET; real-time communication; real-time Ethernet; service-oriented architecture; surgical robot

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About the article

Received: 2017-02-09

Accepted: 2017-09-04

Published Online: 2017-10-31

Published in Print: 2018-02-23


Research funding: This research has been funded within the project “OR.NET – Secure and Dynamic Networking in Operating Room and Hospital” by the German Federal Ministry of Education and Research (BMBF) (OR.NET – 16KT1202, 16KT1203, 16KT1238) and in parts within the project “ZiMT – Certifiable Integrated Medical Technology and IT Systems based on Open Standards in the Operating Room and Hospital” by the State of North-Rhine Westphalia and the European Commission – European Regional Development Fund (EFRE, grant no.: EFRE-0800454).

Author contributionsSections contributed by the Institute of Micro Technology and Medical Device Technology, Technical University of Munich are “Introduction”, “Situation in the medical device domain”, “Realization: SDC meets SRTB” and “Conclusion and future work”. Sections contributed by the Institute of Applied Microelectronics and Computer Engineering, University of Rostock are “Related work”, “OR.NET RT: non-real-time SDC meets SRTB real-time network” and “Conclusion and future work”. Sections contributed by the Chair of Medical Engineering, RWTH Aachen University are “SDC meets surgical robotic systems” and “Conclusion and future work”.


Citation Information: Biomedical Engineering / Biomedizinische Technik, Volume 63, Issue 1, Pages 81–93, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/bmt-2017-0016.

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