bone up

To study the biomechanical changes of the treatment of sheep femoral head necrosis by implanting a composite of allogeneic bone support frame,autologous bone and decalcified bone matrix.

股骨头坏死的治疗目前仍然是骨科面临的一大难题，生物力学在保留股骨头坏死的治疗中越来越受到关注[1，2]。

BACKGROUND: Defatting of xenogenic bone is the utmost process of bone transplantation. Supercritical CO2 fluid, chloroform-methanol, ethylether are the common methods of bone defatting.

背景：异种骨的脱脂处理是骨移植的首要步骤，超临界CO2，氯仿/甲醇和乙醚是骨脱脂的3种常用方法。

The degreased, acellular and decalcificated porcine bone is better in degradation,bone formation, and lower inflammatory reaction, it can be used better scaffold material for tissue engineered bone.

脱脂脱钙脱细胞处理的猪股骨有良好的降解性、成骨性及较低的炎性反应，有可能成为组织工程骨的支架材料。

Human bone marrow mesenchymal stem cells grow well in the three-dimensional environment of partially demineralized bone matrix, which is a good method for culture of human bone marrow mesenchymal stem cells in vitro.

hBMSCs在部分脱钙骨支架的三维立体环境中生长良好，是一种较好的体外培养方法。

Human bone marrow mesenchymal stem cells grow well in the threedimensional environment of partially demineralized bone matrix, which is a good method for culture of human bone marrow mesenchymal stem cells in vitro.

hBMSCs在部分脱钙骨支架的三维立体环境中生长良好，是一种较好的体外培养方法。

OBJECTIVE: To investigate the histological changes of cyclosporin A effect on ossification of demineralized bone, in addition, to explore the feasibility of demineralized bone served as ideal available bone substitute material.

目的：观察环孢素A影响脱钙骨诱导成骨的组织学变化，探讨脱钙骨成为理想的骨移植材料的可行性。

The bone inosculates at the bone-planted position one year after the bone-planted operation,and the functions of nerve recover well.

利用椎弓根内固定系统治疗胸腰椎骨折，具有解剖较简单、手术创伤小、出血少、操作容易等优点，术后恢复良好。

The bone inosculates at the bone-planted position one year after the bone-planted operation,and the functions of nerve recover well.

结果 本组52例病人中，均未发生定位错误，无断钉、断棒及椎弓根钉松动、滑脱，无感染及医源性神经损伤等并发症，术后1年植骨处获得骨性融合，神经功能恢复良好。

Methods 59 patients with bone metastasis and pain were divided groups according to age,degree of bone metastasis and histology of tumors.59 patients all received at least 1 to 4 times treatment of 153Sm-EDTMP(0.5～1.0mci/kg)by mainlined and SPECT bone scan were repeated 2 days after injection.

对我院近两年使用153Sm-EDTMP行内照射治疗的59例肿瘤转移性骨痛病人进行回顾性分析，按年龄、病灶数量、不同肿瘤分组，单次剂量给予153Sm-EDTMP18.5～37MBq/kg静脉注射，第2天行全身骨显像观查放射分布情况，建立随访。

The main pathological changes of complicated fracture of proximal humerus of the elderly people are osteoporosis and bone defect of fracture site,bone graft pedestaling in cavitas medullaris and internal fixation can recover or reconstruct the normal anatomy of proximal humerus,also make for bone union and function recovery of shoulderjoint,which is an effective approach for treatment of complicated fracture of proximal humerus for the elderly people.

老年人肱骨近端复杂骨折，其主要病理变化是骨质疏松和骨折部位骨缺损，髓内支撑植骨内固定能够恢复或重建肱骨近端正常解剖关系，有利于骨折愈合和肩关节功能恢复，是老年肱骨近端复杂骨折有效治疗方法。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。