骨环

带有中间支骨环肋圆柱壳应力修正系数的研究

Stress modification coefficients for ring-stiffened cylindrical shell with intermediate stiffer

棱皮龟和软壳龟的甲壳边缘没有骨环，也无硬鳞甲覆盖，

Leatherback and softshell turtles have shells without the ring of bone around the edge of the carapace or the tough scutes covering it ,

统计骨环的成活率及种植体的存留率，同时观察术后并发症并了解患者的满意度。

The survival rate of bone ring and the retention rate of implants were calculated . The complications and patients ' satisfaction were also investigated .

结果：复合骨环组在抗屈曲、抗伸展、抗侧弯和抗纵向位移方面与自体髂骨块组间存在显著性差异。

Results : There were significant difference in the strength to resist bending , extending , lateral bending , axial torsion and axial displacement of the fusion unit between the two groups .

Ni-Ti形状记忆合金骨卡环热成形模具设计

Hot Forming Mould Desing for Keeper of Ni-Ti Memory Alloy

记忆骨卡环与带锁髓内钉联合治疗粉碎性股骨干骨折

Memory clutching internal fixator and interlocking intramedullary nail in the treatment of serious comminuted fracture of femoral shaft

关节镜下行髁上交锁髓内钉加记忆骨卡环治疗股骨中下段严重粉碎性骨折

Treatment of comminuted inferior femoral fractures with combination of supracondylar locked intramedullary nail and shape memory block hoop internal fixator under arthroscopy

结论带锁髓内钉加记忆合金骨卡环内固定治疗股骨干粉碎骨折可互相取长补短、稳定固定，是一种可行有效的方法。

Conclusion In treatment of comminuted femoral shaft fractures , the combined use of intramedullary interlocking nail and shape memory sawtooth-arm block hoop internal fixator can take advantages of the 2 devices so as to secure anatomic reduction and reliable fixation .

在48h后三氯生骨水泥抑菌环直径大于硫酸庆大霉素骨水泥的抑菌环直径，持续时间与硫酸庆大霉素骨水泥对照，其抗菌活性比硫酸庆大霉素平均长48h（p0.05）。

After 48h , diameter of inhibition zone of triclosan was larger than the zone diameters of gentamicin sulfate , control duration of the bone cement , the antibacterial activity of triclosan was longer than gentamicin , the average length 48h ( p0.05 ) .

结论：肋骨肌瓣、骨肌瓣环有可能用于气管成型与再造手术。

Conclusions : Rid muscel flap and ring could be used in tracheoplasty and tracheal restoration .

将第3肋骨与上下肋间肌修整成带血管蒂的肋骨肌瓣、骨肌瓣环，分别行胸内气管成型与环形替代术。

Rid muscle flap and ring pedicled with vessels were made of the 3rd rib and the attaching intercostal muscles , and the tracheoplasty and tracheal restoration were performed .