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一个气动控制的假肢插座,用于腿骨外截肢者.

Kang-Ho Lee1, Hyun-Seok Heo2, Jeongmin Kim1

  • 1Daegu Research Center for Medical Devices, Korea Institute of Machinery and Materials, Daegu 42994, Republic of Korea.

Sensors (Basel, Switzerland)
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PubMed
概括

这项研究介绍了一种具有空气膀的创新型输假肢插座,可以自动调整剩余四肢体积变化. 这确保了稳定,舒适的适合和改善了在各种地形上膝盖以上截肢者的行走性能.

关键词:
气囊气囊气囊中的空气截肢者是一个截肢者.气动气动机的使用方法假肢是一种假肢.转骨骨插槽是一个转骨骨插槽.

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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

背景情况:

  • 残余肢体体积波动通常会导致截肢者的假肢套不适和不稳定.
  • 由于每天的体积变化,现有的假肢插座难以保持一致的适合.

研究的目的:

  • 开发和评估一个转骨假肢套口,尽管残余肢体体积变化,但保持均的接触压力.
  • 为了增强插座稳定性,舒适性和膝盖以上截肢者的行走性能.

主要方法:

  • 开发了一个带有两个后部气囊和一个集成的气动控制器的腿骨转移假肢套口.
  • 实施闭环控制系统,自主调整膀内的气压,保持稳定状态误差≤3mmHg.
  • 临床试验涉及截肢的参与者在平坦和倾斜的表面上行走.

主要成果:

  • 开发的气动插座在注入空气后显著降低了剩余的肢体-插座位移,高达33.4%.
  • 在受影响的侧面增加膝盖曲角度,导致步伐长度和步行速度的增强.
  • 在平坦和倾斜的表面上表现出稳定和舒适的行走性能.

结论:

  • 新型气动假肢插座有效地弥补残余肢体体积变化,提供始终稳定和舒适的适合.
  • 该技术改善了步行参数,包括步伐长度和速度,为膝盖以上截肢者提供了增强的移动性.
  • 这项创新有潜力显著提高腿骨转移截肢患者的生活质量和功能独立性.