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Paper WeB110.5

Dogramadzi, Sanja (University of the West of England), Dogramadzi, Sanja (University of the West of England)

Semi-Automatic Percutaneous Reduction of Intra-Articular Joint Fractures – an Initial Analysis

Scheduled for presentation during the Interactive Session "Interactive Session WeB-1" (WeB110), Wednesday, May 16, 2012, 10:30−11:00, Ballroom D

2012 IEEE International Conference on Robotics and Automation, May 14-18, 2012, RiverCentre, Saint Paul, Minnesota, USA

This information is tentative and subject to change. Compiled on June 19, 2018

Keywords Medical Robots and Systems

Abstract

Robot-assisted orthopaedic surgery has proved to provide better outcomes over conventional surgery in terms of improved spatial accuracy and more reliable and repeatable results. We present a novel use of robots in orthopaedic surgery - precise anatomic reduction of joints’ fractures. The joints of the body are frequently involved in bone breaks, typically classified as intra-articular fractures. If a joint is to function properly again, that is to provide pain-free stability and movement, the broken pieces of the joint must be subjected to an anatomic reduction – being put back together as perfectly as possible. Having minimally invasive, closed anatomic reduction as a starting point, our method involves a rigorous surgical workflow analysis to create a general framework for robotic reduction techniques. Small and lightweight spatial parallel manipulators are utilized in this pilot study to move fragments through pre-calculated trajectories. In this paper, our initial analysis of clinical and functional requirements of a robot-assisted joint surgery is presented, followed by description of a developed physical robotic prototype system for minimally invasive joint surgery. Experimental results show that a simple graphical user interface can be used to obtain the transformation parameters to position fragments in space and that the fragment manipulating devices can position and align fragments with a sufficient accuracy of max ±1mm/ ±5deg

 

 

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