Tunnel Position during the Single-bundle Anterior Cruciate Ligament Reconstruction:A Study on 3D Measure Technique
- VernacularTitle:利用计算机三维空间测量技术研究前交叉韧带单束重建时内口位置的选择
- Author:
Yi WANG
;
Qirong DONG
;
Shourong LU
;
Zugen ZHENG
;
Zhigao JIN
- Publication Type:Journal Article
- Keywords:
knee;
anterior cruciate ligament reconstruction;
isometric;
three dimension reconstruction
- From:Chinese Journal of Sports Medicine
2010;(2):158-162
- CountryChina
- Language:Chinese
-
Abstract:
Objective The purpose of this article was to investigate the internal tunnel position during anterior cruciate ligament (ACL) reconstruction with single-bundle ACL. Methods MRI were performed in 10 knees form 10 volunteers at full extension and at 30°, 60°, 90°, and 120° flexion position. All the images obtained were exported into Mimics 10.01. Three-dimensional models were established with Mimics in a computer. All the mark points were confirmed on femur and tibia. The distance between the femoral mark point and tibial mark point was measured. The isometric point was determined as the change in the distance was shorter than 3mm during knee flexion-extension. Results Ten three-dimensional models were established successfully and the isometric points of A0-X, A15-X, A30-X, A45-X, B0-Y, B15-Y, B30-Y, B45-Y, C0-Z, C15-Z, C30-Z, C45-Z, and C60-Z were identified. Conclusion There was no absolute anatomical isometric point, whereas the physiological isometric point did exist. Therefore, determination of tibial point should be considered synthetically. B45-Y was recommended for tunnel position.
