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本组单纯膝关节内侧副韧带断裂病人３０例。其中陈旧性断裂５例。受伤机转主要为膝关节屈曲外翻外旋伤。损伤程度均为Ⅲ度，即内侧副韧带浅深层完全断裂，部分病例内侧关节囊同时撕裂。手术方法依韧带断裂部位不同而异。上止点及中间部断裂采用先重叠缝合断裂韧带，同时取股薄肌或半腱肌肌腱加强。下止点断裂修复方法有３种，其中以凿骨隧道方法较好。术后用石膏托将膝关节固定于屈曲３０°位，４周后换用膝关节活动支具继续固定４周（仅允许膝关节在３０°－６０°范围内屈伸活动），同时开始逐步负重行走和进行康复训练。术后８周去除支具。术后３－６个月恢复专项训练有２０例。作者认为：单纯膝关节内侧副韧带断裂应早期手术修复。术后早期妥善固定，后期积极康复训练，对于膝关节功能的恢复至关重要。
The group of 30 cases of medial collateral ligament rupture in patients with simple. Among them, 5 cases of old fracture. The main mechanism of injury was knee flexion and valgus external rotation injury. Degree of injury are Ⅲ degree, that is, the deep medial collateral ligament rupture completely, in some cases the medial joint capsule tear at the same time. Surgical methods according to different parts of the ligament rupture. The top dead center and the middle of the fracture using the first overlap of the suture ligament fracture, while taking the gracilis or semitendinosus tendon to strengthen. There are three ways to fix the bottom dead center, of which the method of tunneling is better. Postoperative immobilization of the knee joint with plaster at 30 ° flexion, 4 weeks after the transfer to the knee brace activity for 4 weeks (knees only allowed within the range of 30 ° -60 ° flexion and extension activities), and gradually began to load Walking and rehabilitation training. Remove the brace after 8 weeks. Postoperative 3-6 months to resume special training in 20 cases. The authors believe that: simple knee medial collateral ligament rupture should be early surgical repair. Proper postoperative early fixation, post-active rehabilitation training, is essential for the recovery of knee function.