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Electrical stimulation system with fatigue evaluation function

An electrical stimulation and functional technology, which is applied in the field of electrical stimulation systems with fatigue assessment function, can solve problems such as unsatisfactory electrical stimulation treatment effect and large prediction error, and achieve the effects of improving rehabilitation effect, less interference, and stable measurement process.

Pending Publication Date: 2019-12-03
FUZHOU UNIV
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Problems solved by technology

However, the stimulated muscles under electrical stimulation have characteristics such as hysteresis, nonlinearity, and time-varying characteristics, as well as muscle fatigue, which makes the algorithm control model in this method inevitably have large prediction errors, making the electrical stimulation of the closed-loop system The treatment effect is not ideal

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  • Electrical stimulation system with fatigue evaluation function
  • Electrical stimulation system with fatigue evaluation function
  • Electrical stimulation system with fatigue evaluation function

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Embodiment Construction

[0032] In order to make the features and advantages of this patent more obvious and easy to understand, the following specific examples are given together with the accompanying drawings and described in detail as follows:

[0033] Such as Figure 1-Figure 6 As shown, the solution of this embodiment includes: multiplexed electrode pads (for electrical stimulation and measuring the impedance value of local muscles by EIM method), EIM excitation current module, FES stimulation current module, control module and acquisition module;

[0034] The multiplexing electrodes are respectively connected to the EIM excitation current module, the FES stimulation current module and the acquisition module;

[0035] The EIM excitation current module is used to generate the excitation current signal;

[0036] The FES stimulation current module is used to generate FES stimulation signals;

[0037] The acquisition module is used to collect the induced voltage of the stimulated muscle generated b...

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Abstract

The invention provides an electrical stimulation system with a fatigue evaluation function. The electrical stimulation system comprises a multiplexing electrode slice, an EIM excitation current module, an FES stimulation current module, a control module and an acquisition module, and the multiplexing electrode slice is connected with the EIM excitation current module, the FES stimulation current module and the acquisition module respectively. The EIM excitation current module is used for generating an excitation current signal; the FES stimulation current module is used for generating FES stimulation signals. The electrical stimulation system has the advantages of being simple in feedback control process, stable in measurement process during resting, good in robustness and not prone to being disturbed by external factors, the amplitude of the feedback signals is large, the frequency is controllable, and preprocessing is simple. According to the scheme, on the basis of the electrical stimulation system, an EIM detection link is added, the stimulated local muscle fatigue state is fed back to the system in real time, excessive treatment caused by muscle fatigue is avoided, and the rehabilitation effect is improved.

Description

technical field [0001] The invention relates to the field of electric stimulation devices, in particular to an electric stimulation system with fatigue evaluation function. Background technique [0002] Chinese patent (application number: 201510313665.2) proposes a functional electrical stimulation closed-loop control system and method based on electromyographic signal feedback, which completes the pulse number of electrical stimulation by calculating the absolute average amplitude of the electromyographic signal of the stimulated object. The closed-loop control adjustment; the invention improves the control precision of the closed-loop functional electrical stimulation system, and realizes the adaptive control of the functional electrical stimulation of the myoelectric signal feedback. Chinese patent (application number: 201710905850.X) proposes a closed-loop electrical stimulation system based on electromyographic biofeedback, which can detect the patient's electromyograph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36A61B5/053
CPCA61N1/36031A61N1/36003A61B5/053A61B5/746
Inventor 高跃明黄林科杜民张泽敏姜海燕周瑸
Owner FUZHOU UNIV
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