Results 31 to 40 of about 21,306 (152)

A novel biodegradable vancomycin-eluting nanofiber-loaded deproteinized bone scaffold for the treatment of infected bone defect [PDF]

open access: yes, 2016
目的:1.利用静电纺丝技术制备可局部缓释万古霉素的新型载万古霉素纳米纤维膜脱蛋白松质骨支架,验证抗生素缓释效果、抑菌效果以及细胞相容性。2.通过植入兔感染性骨缺损模型,观察载万古霉素纳米纤维膜脱蛋白松质骨支架对感染性骨缺损的修复效果。 方法:1.将万古霉素和聚乳酸乙醇酸溶解于六氟异丙醇配制电纺液,利用静电纺丝工艺纺出载万古霉素纳米纤维复合于牛脱蛋白松质骨支架表面。然后通过扫描电镜观察新型载万古霉素纳米纤维膜脱蛋白松质骨支架和牛脱蛋白松质骨支架的表面特征、高效液相色谱法检测新型抗生素缓释支架药物释放速率 ...
高建廷
core  

机器人辅助股骨干骨折复位的性能评价

open access: yesZhongguo shiyan zhenduanxue, 2012
目的通过制定并实验测定骨折复位机器人的性能指标,来评价机器人在股骨干骨折复位手术中的有效性和有用性。方法针对8例股骨模型骨,模拟股骨干骨折。采用C臂透视二维图像进行复位轨迹规划,采用股骨干骨折复位机器人进行复位操作。通过图像处理,获得复位后两段折骨之间的轴向偏移、径向(横向)偏移、折骨轴线之间的角度偏差等3个参数,来评价骨折复位效果。结果复位路径规划软件操作简单,机器人自主运行顺畅。两段折骨之间的轴向偏移量的均值为1.31mm,径向(横向)偏移量的均值为2.44mm,折骨轴线之间的角度偏差的均值为2 ...
韩巍   +5 more
doaj  

Transition and problems of safety measures for playground in Japan [PDF]

open access: yes, 2011
Since 1960s, injuries have been the main cause of death for children. The prevention of the accidents of children remains a serious social problem. Especially, we see numerous accidents with playground equipment.
Matsuno Keiko, 松野 敬子
core   +1 more source

老年骨折病人的血清瘦素、MMP-10和TMIP-1水平与骨质疏松的关系研究

open access: yesZhongguo shiyan zhenduanxue, 2015
目的了解老年骨折病人骨质疏松的发病情况,探讨血清瘦素、MMP-10和TMIP-1水平对骨质疏松的影响。方法选择本院骨折病人80例,选择同时期参加健康体检的42名老年人作为对照组,分别测定研究对象的血清瘦素、MMP-10和TMIP-1因子,了解骨折病人与对照组的骨密度差异,比较骨折病人不同骨密度水平的血清指标变化,并分析其与骨密度的相关性。结果骨折病人骨质疏松症的发病率为57.5%,将骨折病人按照骨密度水平分成骨质疏松组、骨量减少组和骨量正常组。三组瘦素、MMP-10和TMIP-1水平不同 ...
刘铜龙   +5 more
doaj  

Urological Study on the Traumatic Injury of the Spinal Cord II. Seminal Vesiculogram in Paraplegics [PDF]

open access: yes, 1960
Studies on the seminal vesiculogram have bee n undertaken on 40 male patients with spinal cord injury whose ages ranged between 22 and 45 years and who have had injured during the period of past 4 months to 13 years and 8 months.
柳原, 正志
core  

股方肌肌蒂骨瓣移植术治疗股骨颈移位骨折

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1982
股骨颈骨折相当多见,但治疗效果还不能令人满意。最常见的严重后果是骨折不愈合和股骨头缺血性坏死。自从应用内固定治疗此病后,骨折的愈合率虽可提高到70~80%,但股骨头缺血性坏死率仍达20~40%或更高,未能获得明显改观。Meyers于1973年及1975年先后报告用股方肌肌蒂骨瓣移植加内固定治疗股骨颈骨折,使骨折愈合率提高到89%,
徐锦森
doaj  

Fixation of Pelvic–Acetabular Fractures Using a Midline-Modified Stoppa Approach: Clinical and Operative Outcomes

open access: yesJournal of Orthopaedics, Trauma and Rehabilitation, 2018
Background/Purpose: This served as the first report from our locality to evaluate the modified Stoppa approach, via a low-midline wound, for treating pelvic–acetabular fractures.
Chan Kenneth Kin-yan   +4 more
doaj   +1 more source

老年粗隆间骨折患者围手术期隐性失血的相关因素分析

open access: yesZhongguo shiyan zhenduanxue, 2018
粗隆间骨折是一种最常见于老年人的骨折,随着社会人口日益老龄化,股骨粗隆间骨折患者也越来越多[1]。目前针对老年粗隆间骨折,人们多采用手术治疗,而众多的内固定手术方式中,髓内固定系统以其独有的优势逐渐成为骨科医生治疗该类骨折的首选[2]。髓内针治疗股骨近端骨折虽然手术时间较短,术野可见出血较少,但是术中扩髓 ...
龚枫清   +4 more
doaj  

Abstracts

open access: yes
Cancer Science, Volume 116, Issue S1, Page 1-1975, January 2025.
wiley   +1 more source

CysC与骨小梁评分对老年骨质疏松性椎体骨折术后骨折再发的预测价值

open access: yesZhongshan Daxue xuebao. Yixue kexue ban
目的探究血清半胱氨酸蛋白酶抑制剂C(CysC)与骨小梁评分(TBS)对老年骨质疏松性椎体骨折术后骨折再发的预测价值。方法选择2022年6月—2023年6月100例于重庆大学附属涪陵医院就诊并进行手术治疗的老年骨质疏松性椎体骨折患者,随访2年,根据术后骨折再发情况分为不良组(31例)与良好组(69例)。Pearson分析血清CysC与TBS相关性,Cox分析老年骨质疏松性椎体骨折术后骨折再发的影响因素,ROC分析血清CysC及TBS对患者术后骨折再发的预测价值。结果不良组骨水泥渗透比例 ...
饶锐强, 尚松, 王明贵
doaj  

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