一个2-DOF脚脚假肢的连续神经控制使得跨腿截肢后的动态障碍机动能够实现
medRxiv : the preprint server for health sciences
|December 8, 2025
概括
研究人员开发了一种2度自由度 (DOF) 生物脚脚假肢,用于跨肢截肢者. 这种先进的假肢允许持续的神经控制敏捷行走和复杂地形适应.
科学领域:
- 生物医学工程 生物医学工程
- 神经修复品是一种神经修复品.
- 机器人技术 机器人技术 机器人技术
背景情况:
- 目前的生物体重建侧重于足平面步行,忽视了对地形适应至关重要的前面平面控制.
- 需要先进的假肢来恢复截肢者的多功能和生物仿真运动.
研究的目的:
- 引入2度自由度 (DOF) 生物体重建,用于跨肢截肢者.
- 为了让神经连续控制脚和脚前部/脚下部关节机械.
- 评估假肢在复杂地形上敏捷移动的能力.
主要方法:
- 集成了一个2-DOF机器人脚脚装置与手术神经假肢接口.
- 使用表面电肌图学电极进行神经控制输入.
- 进行了一项案例研究,该案例涉及一名经过跨腿截肢的个体.
主要成果:
- 实验对象在平面地面和横坡上实现了名义步行力学.
- 这个人展示了战略障碍导航,包括跳跃和适应斜坡.
- 假肢允许动态适应快速脚滑动.
结论:
- 生物重建可以恢复对多DOF假肢的连续神经控制.
- 这项技术可以在复杂和不平坦的地形上实现敏捷的移动.
- 进一步开发可以提高截肢者的假肢能力.
更多相关视频
11:06A Human-machine-interface Integrating Low-cost Sensors with a Neuromuscular Electrical Stimulation System for Post-stroke Balance Rehabilitation
Published on: April 12, 2016
10.8K
06:58A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
Published on: November 6, 2015
10.2K
相关概念视频
Ankle Joint
3.7K
The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
3.7K
One-Degree-of-Freedom System
955
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
955
Hierarchy of Motor Control
6.9K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
6.9K
Neural Control of Respiration
6.0K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
6.0K
Open and closed-loop control systems
2.1K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
2.1K
