CAJ | 학술논문

目的:通过建立膝关节三维模型研究前交叉韧带单束重建术的内口位置.方法:采用磁共振扫描建立10个正常志愿者的膝关节分别在0°、30°、60°、90°和120°时的三维模型,每个模型在股骨髁间窝外侧面标定35个点(A0、A15…A90,B0、B15……E90),在胫骨标定3个点(X、Y、z),所有的股骨点与胫骨点分别进行组合,共可获得105个组合,测量每个组合的距离,并观察这些组合在膝关节从0°屈曲到120°时的距离变化量.最大变化值小于3mm的两点确定为等距点.结果:在105个组合中,共发现有13个组合的距离变化量没有超过3mm,分别为A0-X、A15-X、A30-X、A45-X、B0-Y、B15-Y、B30-Y、B45-Y、C0-Z、C15-Z、C30-Z、C45-Z和C60-Z.结论:股骨髁间外侧面与胫骨髁间隆突间不存在绝对的等距点,但是存在生理等距点,选择等距点时应该综合考虑股骨和胫骨的因素.B45-Y是推荐的重建韧带内口位置.
목적:통과건립슬관절삼유모형연구전교차인대단속중건술적내구위치.방법:채용자공진소묘건립10개정상지원자적슬관절분별재0°、30°、60°、90°화120°시적삼유모형,매개모형재고골과간와외측면표정35개점(A0、A15…A90,B0、B15……E90),재경골표정3개점(X、Y、z),소유적고골점여경골점분별진행조합,공가획득105개조합,측량매개조합적거리,병관찰저사조합재슬관절종0°굴곡도120°시적거리변화량.최대변화치소우3mm적량점학정위등거점.결과:재105개조합중,공발현유13개조합적거리변화량몰유초과3mm,분별위A0-X、A15-X、A30-X、A45-X、B0-Y、B15-Y、B30-Y、B45-Y、C0-Z、C15-Z、C30-Z、C45-Z화C60-Z.결론:고골과간외측면여경골과간륭돌간불존재절대적등거점,단시존재생리등거점,선택등거점시응해종합고필고골화경골적인소.B45-Y시추천적중건인대내구위치.
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.