Proof of concept of a simple computer-assisted technique for correcting bone deformities

Authors:
Burton Ma;Amber L. Simpson;Randy E. Ellis
Affiliations:
Human Mobility Research Centre, Kingston General Hospital, Kingston, Ontario, Canada;Queen's University, Kingston, Ontario, Canada;Human Mobility Research Centre, Kingston General Hospital, Kingston, Ontario, Canada and Queen's University, Kingston, Ontario, Canada
Venue:
MICCAI'07 Proceedings of the 10th international conference on Medical image computing and computer-assisted intervention
Year:
2007

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Abstract

We propose a computer-assisted technique for correcting bone deformities using the Ilizarov method. Our technique is an improvement over prior art in that it does not require a tracking system, navigation hardware and software, or intraoperative registration. Instead, we rely on a postoperative CT scan to obtain all of the information necessary to plan the correction and compute a correction schedule for the patient. Our laboratory experiments using plastic phantoms produced deformity corrections accurate to within 3.0° of rotation and 1 mm of lengthening.