FRACAS: A System for Computer-Aided Image-Guided Bone Fracture Surgery

FRACAS: A System for Computer-Aided Image-Guided Bone Fracture Surgery

14/06/99


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Table of Contents

FRACAS: A System for Computer-Aided Image-Guided Bone Fracture Surgery

Femur fracture

Femur fracture fixation Closed interlocking intramedulary nailing

Problems with current procedure

Possible approaches

FRACAS: project goals

FRACAS concept Follow the bone fragment positions with 3D models on a computer screen instead of fluoroscopy

FRACAS system concept

FRACAS system components

Preoperative planning

Registration chain in FRACAS

Fluoroscopy-based registration

Fluoroscopy-based registration

1. Distortion correction

1. Distortion: experimental results

2. Camera calibration

2. Calibration: experimental results

3. Contour extraction: drawbacks of existing solutions

3. Contour extraction algorithm

3. Contours: experimental results

Anatomical 2D/3D registration

Registration results (simulated)

Tracking

Custom in-vitro simulator

Distal locking targeting device

FRACAS current status

Acknowledgements

Author: Leo Joskowicz

Email: josko@cs.huji.ac.il