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相关概念视频

Total Internal Reflection Fluorescence Microscopy01:05

Total Internal Reflection Fluorescence Microscopy

Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.

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相关实验视频

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Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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一个新股茎设计的放射性表现.

Jacob Hawkins1, Emilie N Miley2,3, Kendyll Coxen4

  • 1Orthopaedic Associates, Destin, Florida, USA.

The Iowa orthopaedic journal
|July 3, 2025
PubMed
概括

这项研究表明,一种新的无质部茎设计具有出色的放射性整合和重塑. 该设计显示,关节整形术患者的骨折,松和修复手术率较低.

关键词:
带领的股骨干干 带领的股骨干整体关节整形术没有水泥的股骨干.

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Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
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Imaging of the Microstructural Failure Mechanism in the Human Hip
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科学领域:

  • 整形外科手术 整形外科手术
  • 生物材料工程 生物材料工程
  • 放射学 放射学是一门学科.

背景情况:

  • 在美国,无固定是关节整形术 (THA) 的标准.
  • 现代领带无水泥茎显示骨折风险降低.
  • 关于这些新型茎的放射性表现的数据有限.

研究的目的:

  • 为了评估一个新的无无茎设计的放射性性能.
  • 定义X射线整合和改造的模式.
  • 评估结果,如宽松,断裂和修订率等.

主要方法:

  • 592例初级或转化THA病例 (562名患者) 的回顾性审查,至少一年的随访时间.
  • 对骨整合,石灰石-项圈间隙,沉降和松动的放射数据进行分析.
  • 纳入标准:年龄≥18岁,至少一年的随访;排除:修订设置,没有一年的X射线图.

主要成果:

  • 绝佳的放射性结合:85.2%显示骨整合 (点) 在一年内.
  • 低并发症率:0.7%的手术内骨折,0.8%的沉降 (<5mm),0.2%的一年所有原因的干部修改.
  • 石灰-项圈缺口解决:66.7%的初始缺口被一年填补;1.7%的人报告大腿疼痛.

结论:

  • 这种新型的无杆无杆表现出了出色的愈合能力和放射性结合.
  • 这种茎设计与周围假肢骨折,修复和大腿疼痛的低率有关.
  • 放射性证据支持这一新型THA干的成功表现.