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Der Orthopäde
Article . 2007
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The foundations of computer assisted surgery

Grundlagen der computerassistierten Chirurgie
Authors: Langlotz, F.; Nolte, L.-P.; Tannast, M.;

The foundations of computer assisted surgery

Abstract

Der Einsatz von Navigationssystemen in der orthopädischen Chirurgie und speziell in der Knieendoprothetik findet immer weitere Verbreitung. Dieser Beitrag stellt die grundlegenden technologischen Konzepte vor, auf denen moderne Computerassistenzsysteme beruhen, zeigt ihre Ausprägungen in den aktuell verwendeten Systemen auf und reißt verschiedene Entwicklungen an, die einen Einfluss auf zukünftige Produkte haben könnten. Prinzipiell lassen sich in jedem Navigationssystem 3 Komponenten identifizieren. Das therapeutische Objekt ist diejenige anatomische Struktur, die das Ziel der navigierten Operation darstellt. Das virtuelle Objekt ist ein Abbild des therapeutischen Objekts. Hier können radiologische oder vom Rechner generierte Darstellungen zu Einsatz kommen. Der Navigator schließlich dient zur Erfassung von Position und Lage von Instrumenten und Anatomie und stellt sicher, dass chirurgische Aktionen im Operationsfeld am Navigationsmonitor wiedergegeben werden können.

Using navigation systems in general orthopaedic surgery and, in particular, knee replacement is becoming more and more accepted. This paper describes the basic technological concepts of modern computer assisted surgical systems. It explains the variation in currently available systems and outlines research activities that will potentially influence future products. In general, each navigation system is defined by three components: (1) the therapeutic object is the anatomical structure that is operated on using the navigation system, (2) the virtual object represents an image of the therapeutic object, with radiological images or computer generated models potentially being used, and (3) last but not least, the navigator acquires the spatial position and orientation of instruments and anatomy thus providing the necessary data to replay surgical action in real-time on the navigation system's screen.

Related Organizations
Keywords

User-Computer Interface, Imaging, Three-Dimensional, Surgery, Computer-Assisted, Image Interpretation, Computer-Assisted, Computer Graphics, 570 Life sciences; biology, 610 Medicine & health, Equipment Design, Robotics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
11
Average
Top 10%
Top 10%
Green