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Intraoperative „Augmented-reality-Visualisierung“

Aktueller Stand der Entwicklung und erste Erfahrungen mit dem CamC

Intraoperative augmented reality visualization

Current state of development and initial experiences with the CamC

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Zusammenfassung

Die intraoperative Anwendung von „augmented reality“ (AR, erweiterte Realität) fand bisher überwiegend im Bereich der Endoskopie statt. Dabei wurde das Kamerabild des Endoskops mittels aufwendig errechneter Darstellungen präoperativer Bildgebung erweitert. Aufgrund des hohen Aufwands und der Komplexität der Systeme hat sich die Technologie bisher nicht durchsetzen können. Der „Camera Augmented Mobile C-arm“ (CamC), der einen herkömmlichen C-Bogen durch eine Videokamera erweitert, zeichnet sich durch eine unkomplizierte Handhabung aus. Er bettet das Röntgenbild geometrisch exakt in das Videolivebild ein. Die klinische Anwendung in 43 Fällen zeigte die Stärken des Gerätes bei der Positionierung, der Inzisionsplanung, der Kirschner-Drahteinbringung und der Instrumentenführung anhand der neuartigen Visualisierung. Aufgrund der neuen Funktionen und der einfachen Integration in jeden Eingriff, der einen Bildwandler benötigt, hat der CamC ein großes Potential, die erste AR-Technologie in der Unfallchirurgie und Orthopädie zu werden.

Abstract

The intraoperative application of augmented reality (AR) has so far mainly taken place in the field of endoscopy. Here, the camera image of the endoscope was augmented by computer graphics derived mostly from preoperative imaging. Due to the complex setup and operation of the devices, they have not yet become part of routine clinical practice. The Camera Augmented Mobile C-arm (CamC) that extends a classic C-arm by a video camera and mirror construction is characterized by its uncomplicated handling. It combines its video live stream geometrically correct with the acquired X-ray. The clinical application of the device in 43 cases showed the strengths of the device in positioning for X-ray acquisition, incision placement, K-wire placement, and instrument guidance. With its new function and the easy integration into the OR workflow of any procedure that requires X-ray imaging, the CamC has the potential to become the first widely used AR technology for orthopedic and trauma surgery.

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Authors and Affiliations

  1. Chirurgische Klinik und Poliklinik, Ludwig-Maximilians-Universität München, Nussbaumstraße 20, 80336, München, Deutschland

    S. Weidert, A. von der Heide & E. Euler

  2. Computer Aided Medical Procedures and Augmented Reality, Technische Universität München, München, Deutschland

    L. Wang & N. Navab

Authors
  1. S. Weidert
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  2. L. Wang
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  3. A. von der Heide
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  4. N. Navab
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  5. E. Euler
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Correspondence to S. Weidert.

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Weidert, S., Wang, L., von der Heide, A. et al. Intraoperative „Augmented-reality-Visualisierung“. Unfallchirurg 115, 209–213 (2012). https://doi.org/10.1007/s00113-011-2121-8

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  • DOI: https://doi.org/10.1007/s00113-011-2121-8

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