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Constant current type transcutaneous nerve electrical stimulation circuit

A cutaneous nerve, constant-current technology, applied in the field of constant-current percutaneous nerve electrical stimulation circuit, can solve the problems of reducing electrochemical effects, and achieve the effect of avoiding trauma and eliminating changes in skin impedance

Pending Publication Date: 2020-03-17
SHANGHAI UNIV OF MEDICINE & HEALTH SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the square wave pulse can depolarize the neural membrane, it is generally not used in clinical practice due to its effect on tissue stimulation and electrolysis of the electrode, and the use of a charge-balanced pulse waveform can significantly reduce the electrochemical effect

Method used

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  • Constant current type transcutaneous nerve electrical stimulation circuit
  • Constant current type transcutaneous nerve electrical stimulation circuit
  • Constant current type transcutaneous nerve electrical stimulation circuit

Examples

Experimental program
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Embodiment Construction

[0027] Such as figure 1 As shown, a constant-current transcutaneous electrical nerve stimulation circuit includes a microcontroller 1, a power supply circuit 2, an indicator circuit 3, an output circuit 4 and a motion detection circuit 5, and the microcontroller 1 and the power supply circuit 2 and the indicator circuit 3 , the output circuit 4 is electrically connected to the motion detection circuit 5, the output circuit 4 is connected to the stimulation electrode, the motion detection circuit 5 is installed on the stimulation electrode, and the output end of the motion detection circuit 5 is connected to the microcontroller 1, wherein:

[0028] The microcontroller 1 is used to control the output circuit 4 to output a constant current stimulation pulse signal;

[0029] A power supply circuit 2 for providing power to the microcontroller 1 and the output circuit 4;

[0030] Indicating circuit 3, in the form of sound and light, gives the positioning information of the stimulat...

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PUM

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Abstract

The invention discloses a constant current type transcutaneous nerve electrical stimulation circuit comprising a microcontroller, a power supply circuit, an indication circuit, an output circuit and amotion detection circuit. The microcontroller is electrically connected with the power supply circuit, the indication circuit, the output circuit and the motion detection circuit; the output circuitis connected with a stimulation electrode; the stimulation electrode is provided with the motion detection circuit; and the output terminal of the motion detection circuit is connected with the microcontroller. The invention employs a percutaneous positioning method and belongs to a non-invasive positioning technology. After positioning to the nerve, acousto-optic indication can be made to avoid unnecessary trauma to the human tissue, so that objective evaluation of nerve positioning is realized. With the motion detection technology, the stimulation current output can be flexibly adjusted according to the motion conditions of corresponding muscle groups, so that accurate and controllable constant-current stimulation on tissue is realized.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a constant-current transcutaneous electrical nerve stimulation circuit. Background technique [0002] Excitable tissues that make up neuromuscular groups respond to stimuli such as heat, light, sound, pressure, and chemicals, as well as electrical stimuli. During excitable tissue activity, various ions, mainly sodium and potassium ions, rapidly cross the cell membrane, causing transient changes in cell membrane permeability. This movement of ions creates an electric current that creates an electric field on the surface of the body. It is also possible to reverse this process and apply an external current stimulus to establish an ion current in the excitable tissue area. [0003] Clinically, in order to restore human body functions or treat diseases, electric current is directly applied to the human body through electrical stimulation. During electrical stimulation, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36
CPCA61N1/36014A61N1/36031
Inventor 商怀超单纯玉王鑫邵欢欢黄佳楠
Owner SHANGHAI UNIV OF MEDICINE & HEALTH SCI
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