A surgical planning and guidance system for high tibial osteotomy
- 1 January 1999
- journal article
- research article
- Published by Taylor & Francis in Computer Aided Surgery
- Vol. 4 (5), 264-274
- https://doi.org/10.1002/(sici)1097-0150(1999)4:5<264::aid-igs4>3.0.co;2-e
Abstract
Objective: To develop a three-dimensional pre-surgical planner and an intraoperative guidance system for high tibial osteotomy. The parameters that describe the placement and orientation of the osteotomy resection planes were to be transmitted to an accompanying guidance system that allowed the surgeon to reproducibly perform the planned procedure Materials and Methods: The planning system and guidance system were coded using OpenGL on UNIX workstations. In vitro tests were performed to compare the reproducibility of the computer-enhanced technique to that of the traditional technique, and an in vivo pilot study was initiated Results: In vim, the computer-enhanced technique produced a significant reduction, by one half, in both the maximum error of correction and the standard deviation of the correction error. Preliminary in vivo results on six patients suggest that similar error diminution will occur during regular clinical application of the technique Conclusions: Both studies showed that the computer system is simple to use. The work suggests that three-dimensional planning and performance of high tibial osteotomy is essential for accurate correction of the alignment of the lower limb.Keywords
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