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Biological affinitic electrode stimulating device

A stimulation device and electrode technology, which is applied in the field of biomedical engineering, can solve the problems of high bioelectrical signal noise, unstable electrode-tissue interface, and increased threshold, so as to achieve low stimulation threshold, improve stimulation or/and detection effect, low noise effect

Active Publication Date: 2008-08-13
段晏文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a bio-affinity electrode stimulation device, which can improve the unstable situation of the electrode-tissue interface after implantation of such devices in the prior art, overcome the increase of the bioelectric stimulation threshold and detect bioelectricity. The disadvantage of high signal noise can reduce the electrode impedance after implantation and improve the effectiveness of the electrode stimulation device in the diagnosis, control and treatment of various related diseases

Method used

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  • Biological affinitic electrode stimulating device
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  • Biological affinitic electrode stimulating device

Examples

Experimental program
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Embodiment 1

[0016] Embodiment 1: as figure 1 , figure 2 , Figure 3, Figure 4, ( figure 1 It is a schematic diagram of an embodiment of long-term implantation in the human body to treat sciatica) It is a bio-affinity electrode stimulation device that is fully implanted in the body. The electrode 1 and the signal processing unit 2 are directly connected through the wire 1.2 as a whole that can be implanted in the body; the electrode 1 is a stimulating electrode and a signal collection electrode, or only a stimulation electrode; the electrode 1 is a stimulation electrode and a signal collection electrode refers to : The collected signal is processed by the signal processing unit 2, and then the electrode 1 is instructed to perform electric stimulation; the electrode 1 can also be only a stimulating electrode, and the indication signal is preset in the signal processing unit 2, and stimulation is performed according to a predetermined program, without signal feedback and adjustment The ele...

Embodiment 2

[0018] Embodiment 2: as Figure 5As shown, the difference from Embodiment 1 is that the electrode 1 is in the body, and the signal processing unit 2 is located outside the body, which is a semi-implanted embodiment; the electrode 1 is a stimulating electrode, and it can also be a signal acquisition electrode, and it can also be a stimulating electrode at the same time. Electrodes and signal collection electrodes, if necessary, an electrode can be placed outside the body in contact with the epidermis. Generally, the function of the electrode 1 is given by the signal processing unit 2; the signal processing unit 2 and the electrode 1 are connected through the wire 7; generally speaking, the semi-implantation with the wire 7 is a short-term application.

Embodiment 3

[0019] Embodiment 3: as Figure 6 As shown, the difference from Example 1 is that the electrode 1 and the signal processing unit 2 are directly connected through the wire 1.2 as a whole that can be implanted in the body. In addition, there is an instruction / detection unit 3 located outside the body; the electrode 1 is a stimulating electrode, also It can be an electrode for collecting signals, and it can also be a stimulating electrode and an electrode for collecting signals at the same time. According to the needs, the function of the electrode 1 is given to the electrode 1 by the instruction / detection unit through the signal processing unit 2; the transmitter head 8 of the instruction / detection unit 3 and the signal processing The receiving head 9 of the unit 2 communicates by electromagnetic waves.

[0020] The above-mentioned embodiment of the present invention is further described as follows:

[0021] figure 2 is a schematic diagram of an electrode array. As shown in ...

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Abstract

A bioaffinity electrode stimulator able to be transplanted in human body for examining, diagnosing, controlling and curing the diseases in nerve system is composed of an electrode unit consisting of stimulating electrode and / or signal acquisition electrode with surficial rubber layer and bioaffinity biologic electrolyte, and a signal processing unit consisting of electric stimulating signal processing unit and acquired signal processing unit.

Description

technical field [0001] The invention relates to an implantable bio-affinity electrode stimulation device, which belongs to the technical field of biomedical engineering, and is especially suitable for the detection of human nervous system disorders and diseases, such as epilepsy, stroke sequelae, pain and drug addiction, etc. Diagnosis, control and treatment. Background technique [0002] With the advancement and development of science and technology, implantable nerve substitutes and nerve / muscle modulation devices have been gradually applied clinically, such as cardiac pacemakers, vagus nerve stimulators for epilepsy control, spinal cord stimulators for pain treatment, artificial retina, etc. . In these devices, a set of bioelectric pulses are transmitted to muscle or nerve tissue through electrodes or electrode arrays to activate or prevent the activity of the nerve / muscular system, and sometimes electrodes are also used to collect and feedback bioelectric signals, such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/05A61N1/36A61B5/04A61L31/14
Inventor 段晏文文贵华
Owner 段晏文
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