Building virtual 3D bone fragment models to control diaphyseal fracture reduction

Thierry Leloup; Frederic Schuind; Nadine Lasudry; Philippe Van Ham

doi:10.1117/12.349443

26 May 1999 Building virtual 3D bone fragment models to control diaphyseal fracture reduction

Thierry Leloup, Frederic Schuind, Nadine Lasudry, Philippe Van Ham

Proceedings Volume 3658, Medical Imaging 1999: Image Display; (1999) https://doi.org/10.1117/12.349443
Event: Medical Imaging '99, 1999, San Diego, CA, United States

Abstract

Most fractures of the long bones are displaced and need to be surgically reduced. External fixation is often used but the crucial point of this technique is the control of reduction, which is effected with a brilliance amplifier. This system, giving instantly a x-ray image, has many disadvantages. It implies frequent irradiation to the patient and the surgical team, the visual field is limited, the supplied images are distorted and it only gives 2D information. Consequently, the reduction is occasionally imperfect although intraoperatively it appears acceptable. Using the pains inserted in each fragment as markers and an optical tracker, it is possible to build a virtual 3D model for each principal fragment and to follow its movement during the reduction. This system will supply a 3D image of the fracture in real time and without irradiation. The brilliance amplifier could then be replaced by such a virtual reality system to provide the surgeon with an accurate tool facilitating the reduction of the fracture. The purpose of this work is to show how to build the 3D model for each principal bone fragment.

Citation Download Citation

Thierry Leloup, Frederic Schuind, Nadine Lasudry, and Philippe Van Ham "Building virtual 3D bone fragment models to control diaphyseal fracture reduction", Proc. SPIE 3658, Medical Imaging 1999: Image Display, (26 May 1999); https://doi.org/10.1117/12.349443

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