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相关概念视频

Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...

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Bioelectric Analyses of an Osseointegrated Intelligent Implant Design System for Amputees
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一个生物忠实假肢残余肢体用于假肢插座测试.

C Phillips1, A Nagpal2, F Azhari1

  • 1Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Canada.

Canadian prosthetics & orthotics journal
|November 17, 2025
PubMed
概括

研究人员开发了一种新的,可调节的假肢假肢,用于测试插座的适合性. 这种生物忠实设备准确地模拟了残余四肢体积变化,改善了假肢设计并减少了临床试验的依赖性.

关键词:
可调节的插座插座截肢是一种截肢.人造肢体的人造肢体基层评价 基层评价 基层评价生物忠实的人类.肢体损失 肢体损失模拟剩余四肢 模拟剩余四肢假肢 假肢是一种假肢.假肢插座 假肢插座康复 康复 康复 康复穿越骨的 穿越骨的音量变化 音量变化

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科学领域:

  • 生物医学工程 生物医学工程
  • 假肢和整形手术
  • 康复工程 康复工程 康复工程

背景情况:

  • 精确模拟残余肢体和假肢口之间的负载转移对于评估适应性和功能至关重要.
  • 现有的静态模拟肢体限制了可调节插座技术的评估.
  • 开发假肢通常需要资源密集的临床试验.

研究的目的:

  • 设计和验证一种生物忠实假肢,能够实时进行可控体积调整 (±5%的肢体体积).
  • 创建一个具有成本效益和可定制的工具,用于假肢研究.

主要方法:

  • 嵌入式充满水的膀在一个双度米尿跨的残余肢体模型.
  • 使用Arduino控制的注射器系统来执行音量调节.
  • 通过可重复性测试验验证,量化体积变化期间的界面压力.

主要成果:

  • 使用易于获得的材料制造的肢体价格低于400加元.
  • 体积变化速率对界面压力影响最小;观察到最小的歇斯底里.
  • 证明了高可重复性,正常化压力变化低于10.4%.

结论:

  • 经过验证的生物忠实假肢有效地模仿跨余肢体体积变化.
  • 设计允许轻松复制和定制各种肢体生理学.
  • 允许对可调节的假肢设备进行可控的长椅测试,加速临床使用.