CN210844980U - Brain electrical stimulation tip structure - Google Patents
Brain electrical stimulation tip structure Download PDFInfo
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- CN210844980U CN210844980U CN201921446965.8U CN201921446965U CN210844980U CN 210844980 U CN210844980 U CN 210844980U CN 201921446965 U CN201921446965 U CN 201921446965U CN 210844980 U CN210844980 U CN 210844980U
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Abstract
The utility model discloses a brain electricity stimulating end structure, include: a base, a stimulating electrode and a monitoring electrode; the stimulation electrode and the monitoring electrode are both arranged on the base, one end of the stimulation electrode is used for being connected with a stimulation circuit of the electrical stimulator, and the other end of the stimulation electrode is used for being inserted into a part to be stimulated of the brain so that the stimulation circuit transmits stimulation current to the part to be stimulated of the brain through the stimulation electrode; one end of the monitoring electrode is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode is used for probing into the part to be stimulated of the brain so as to acquire an electrical signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode. Therefore, the brain deep part of the experimental animal can be electrically stimulated and the monitoring data can be recorded in real time, and the problem that the stimulating head of the brain pacemaker in the prior art cannot record the monitoring data at the same time is solved.
Description
Technical Field
The utility model relates to a medical equipment field particularly, relates to a brain electricity stimulating end structure.
Background
At present, in related experiments requiring deep electrical stimulation treatment, such as animal models of Parkinson's disease, animal models of epilepsy and the like, a brain pacemaker is required to electrically stimulate the deep brain of an animal. The stimulation head of the existing cerebral pacemaker can only realize the stimulation current transmission to the deep part of the brain, but cannot record the monitoring data after the electrical stimulation. Meanwhile, the existing stimulating head has a complex structure and high price, and is difficult to effectively popularize.
Disclosure of Invention
A primary object of the present invention is to provide a brain electrical stimulation tip structure to solve the problem that the stimulation head of a brain pacemaker in the prior art cannot record monitoring data simultaneously.
In order to achieve the above object, the utility model provides a brain electricity stimulating tip structure, include: a base; the stimulation electrode is arranged on the base, one end of the stimulation electrode is used for being connected with a stimulation circuit of the electrical stimulator, and the other end of the stimulation electrode is used for extending into the part to be stimulated of the brain so that the stimulation circuit transmits stimulation current to the part to be stimulated of the brain through the stimulation electrode; the monitoring electrode is arranged on the base, one end of the monitoring electrode is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode is used for probing into the part to be stimulated of the brain so as to collect an electrical signal of the part to be stimulated of the brain after stimulation of the stimulating electrode.
Further, the stimulation electrode includes: and the positive stimulation electrode is used for being connected with the positive electrode of the stimulation circuit so as to apply positive voltage to the part to be stimulated of the brain.
Further, the stimulation electrode further comprises: and the negative stimulation electrode is used for being connected with the negative electrode of the stimulation circuit so as to generate stimulation current between the end part of the positive stimulation electrode and the end part of the negative stimulation electrode.
Further, the ends of the positive stimulation electrodes are flush with the ends of the negative stimulation electrodes.
Further, the positive stimulation electrode and the negative stimulation electrode are spirally wound with each other.
Furthermore, the positive stimulation electrode and the negative stimulation electrode are both made of resistance wires with insulating outer layers.
Furthermore, the positive stimulation electrode and the negative stimulation electrode are both connected with a copper bar, the positive stimulation electrode is connected with the positive electrode of the stimulation circuit through the copper bar, and the negative stimulation electrode is connected with the negative electrode of the stimulation circuit through the copper bar.
Further, the electrical stimulation tip structure for the brain further comprises: a bus seat and a ground wire; the female socket is provided with a first connecting end, a second connecting end, a third connecting end and a fourth connecting end; the positive stimulation electrode is welded on the first connecting end through a copper bar and is connected with the positive electrode of the stimulation circuit through the first connecting end; the negative stimulation electrode is welded on the second connecting end through a copper bar and is connected with the negative electrode of the stimulation circuit through the second connecting end; the monitoring electrode is welded with the third connecting end and is connected with the monitoring circuit through the third connecting end; one end of the ground wire is welded with the fourth connecting end, and the other end of the ground wire is used for being connected with a screw embedded on the skull corresponding to the part to be stimulated of the brain.
Further, the electrical stimulation tip structure for the brain further comprises: polyethylene glycol insulation blocks; the female socket is arranged in the polyethylene glycol insulating block so that the first connecting end, the second connecting end, the third connecting end and the fourth connecting end of the polyethylene glycol insulating block are insulated from each other.
Further, the length of the stimulation electrode is greater than the length of the monitoring electrode.
Use the utility model discloses technical scheme's brain electricity stimulating end structure, include: a base, a stimulating electrode and a monitoring electrode; the stimulation electrode and the monitoring electrode are both arranged on the base, one end of the stimulation electrode is used for being connected with a stimulation circuit of the electrical stimulator, and the other end of the stimulation electrode is used for being inserted into a part to be stimulated of the brain so that the stimulation circuit transmits stimulation current to the part to be stimulated of the brain through the stimulation electrode; one end of the monitoring electrode is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode is used for probing into the part to be stimulated of the brain so as to acquire an electrical signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode. Therefore, the brain deep part of the experimental animal can be electrically stimulated and the monitoring data can be recorded in real time, and the problem that the stimulating head of the brain pacemaker in the prior art cannot record the monitoring data at the same time is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram of an alternative electrical stimulation tip structure for the brain according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a base; 20. a stimulation electrode; 21. a positive stimulation electrode; 22. a negative stimulation electrode; 30. a monitoring electrode; 40. a copper bar; 50. arranging a female seat; 51. a first connection end; 52. a second connection end; 53. a third connecting end; 54. a fourth connection end; 60. a ground wire; 70. polyethylene glycol insulation blocks; 80. a positive electrode connecting wire; 90. a negative electrode connecting wire; 100. and monitoring the electrode connecting wire.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
According to the embodiment of the utility model provides a brain electricity stimulating tip structure is provided, as shown in fig. 1, include: a base 10, a stimulation electrode 20 and a monitoring electrode 30; the stimulating electrode 20 and the monitoring electrode 30 are both arranged on the base 10, one end of the stimulating electrode 20 is used for being connected with a stimulating circuit of an electrical stimulator, and the other end of the stimulating electrode 20 is used for extending into a part to be stimulated of the brain so that the stimulating circuit transmits stimulating current to the part to be stimulated of the brain through the stimulating electrode 20; one end of the monitoring electrode 30 is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode 30 is used for being inserted into the part to be stimulated of the brain to acquire an electrical signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode 20.
Use the utility model discloses technical scheme's brain electricity stimulating end structure, include: a base 10, a stimulation electrode 20 and a monitoring electrode 30; the stimulating electrode 20 and the monitoring electrode 30 are both arranged on the base 10, one end of the stimulating electrode 20 is used for being connected with a stimulating circuit of an electrical stimulator, and the other end of the stimulating electrode 20 is used for extending into a part to be stimulated of the brain so that the stimulating circuit transmits stimulating current to the part to be stimulated of the brain through the stimulating electrode 20; one end of the monitoring electrode 30 is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode 30 is used for being inserted into the part to be stimulated of the brain to acquire an electrical signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode 20. Therefore, the brain deep part of the experimental animal can be electrically stimulated and the monitoring data can be recorded in real time, and the problem that the stimulating head of the brain pacemaker in the prior art cannot record the monitoring data at the same time is solved.
In particular implementations, the length of the stimulation electrode 20 is greater than the length of the monitoring electrode 30. The monitoring electrode 30 is made of pure silver, discharges electricity in normal cerebral gyrus, conducts information through electric signals, and mainly influences and data acquisition on cerebral discharge of the monitoring electrode 30 are carried out after the stimulating electrode 20 artificially discharges and stimulates specific nuclei of the brain tissue of the experimental animal.
The stimulating electrode 20 comprises a positive stimulating electrode 21 and a negative stimulating electrode 22, wherein the positive stimulating electrode 21 is used for being connected with the positive electrode of the stimulating circuit so as to apply positive voltage to the part to be stimulated of the brain of the experimental animal; the negative stimulation electrode 22 is connected to the negative electrode of the stimulation circuit, and when the positive electrode and the negative electrode of the stimulation circuit output a voltage of a specific frequency, an electrical stimulation reaction is generated between the positive electrode and the negative electrode to generate a stimulation current between the end of the positive stimulation electrode 21 and the end of the negative stimulation electrode 22. Thus realizing the electrical stimulation to the deep brain of the experimental animal. The monitoring electrode 30 is mainly used for monitoring the influence and data collection of the brain discharge of the experimental animal after the artificial discharge stimulates the characteristic nuclei of the deep brain tissue.
Alternatively, the positive stimulation electrode 21 and the negative stimulation electrode 22 are made of nichrome wires with insulating outer layers. The positive and negative stimulating electrodes 21 and 22 are spirally wound with each other, and the end of the positive stimulating electrode 21 is flush with the front end of the negative stimulating electrode 22, so that a stimulating current can be generated between the front end of the positive stimulating electrode 21 and the front end of the negative stimulating electrode 22. Ideally, the positive stimulation electrode 21 and the negative stimulation electrode 22 are infinitely close but not connected, the rear end of the positive stimulation electrode 21 and the rear end of the negative stimulation electrode 22 are both connected with a copper bar 40, the positive stimulation electrode 21 is connected with the positive pole of the stimulation circuit through the copper bar 40, and the negative stimulation electrode 22 is connected with the negative pole of the stimulation circuit through the copper bar 40.
Further, the electrical stimulation tip structure for the brain further comprises a mother board seat 50 and a ground wire 60; the female socket 50 has a first connecting terminal 51, a second connecting terminal 52, a third connecting terminal 53 and a fourth connecting terminal 54; the positive stimulation electrode 21 is welded on the first connecting terminal 51 through the copper bar 40, and the first connecting terminal 51 is connected with the positive electrode of the stimulation circuit through the positive connecting wire 80, so that positive voltage is applied to the part to be stimulated of the brain; the negative stimulation electrode 22 is welded on the second connecting terminal 52 through the copper bar 40, and the second connecting terminal 52 is connected with the negative electrode of the stimulation circuit through the negative connecting wire 90, so that when the positive electrode and the negative electrode of the stimulation circuit output voltages with specific frequencies, an electrical stimulation reaction is generated between the positive electrode and the negative electrode; the monitoring electrode 30 is welded with the third connecting terminal 53, and the third connecting terminal 53 is connected with the monitoring circuit through the monitoring electrode connecting wire 100, so as to collect the electric signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode 20; one end of the ground wire 60 is welded with the fourth connecting terminal 54, and the other end of the ground wire 60 is used for being connected with a screw embedded on the skull corresponding to the part to be stimulated of the brain, so that the interference of the stimulating electrode 20 and the normal cell tissue during discharging on the data collection of the monitoring electrode 30 is reduced in the monitoring process.
Further, the electrical stimulation tip structure for the brain further comprises a polyethylene glycol insulating block 70; the two copper rods 40 and the mother row seat 50 connected to the positive stimulation electrode 21 and the negative stimulation electrode 22 are all disposed in the polyethylene glycol insulation block 70, and the polyethylene glycol insulation block 70 can insulate the first connection end 51, the second connection end 52, the third connection end 53, and the fourth connection end 54 from connection points corresponding to the two copper rods 40, the monitoring electrode 30, and the ground wire 60, so as to prevent mutual conduction.
When practical application, the utility model discloses electric stimulator adopts multichannel signal collection treater, and is concrete, can adopt RM6240BD type multichannel signal collection processing system, and anodal connecting wire 80, negative pole connecting wire 90 and monitoring electrode connecting wire 100 correspond anodal output interface, negative pole output interface and monitoring electrode interface with multichannel signal collection processing system and correspond and be connected.
The data of the multi-channel signal acquisition and processing system is adjusted at fixed time every day, and stimulation electric pulse, output frequency and output intensity are set according to experiment needs, for example, a stimulation mode is set to be continuous pulse stimulation, the pulse is 0.06ms, the stimulation output frequency is 130Hz, the intensity is 1.5v, and the time is 30 mins. Electroencephalogram data are collected through the monitoring electrodes 30 while electrical stimulation is carried out, the electroencephalogram data are transmitted to the multichannel signal acquisition and processing system, and the electroencephalogram data and waveforms are displayed and recorded on matched display equipment after analysis and processing. The electroencephalogram data of the specific part of the experimental animal under different stimulation results can be statistically analyzed, and the significance of the electroencephalogram data can be analyzed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An electrical brain stimulation tip structure, comprising:
a base (10);
the stimulation electrode (20) is arranged on the base (10), one end of the stimulation electrode (20) is used for being connected with a stimulation circuit of an electrical stimulator, and the other end of the stimulation electrode (20) is used for probing into a part to be stimulated of the brain so that the stimulation circuit transmits stimulation current to the part to be stimulated of the brain through the stimulation electrode (20);
the monitoring electrode (30) is arranged on the base (10), one end of the monitoring electrode (30) is used for being connected with a monitoring circuit of the electrical stimulator, and the other end of the monitoring electrode (30) is used for extending into the part to be stimulated of the brain so as to collect an electrical signal of the part to be stimulated of the brain after being stimulated by the stimulating electrode (20).
2. The electrical brain stimulation tip structure according to claim 1, wherein the stimulation electrode (20) comprises:
and the positive stimulation electrode (21) is connected with the positive electrode of the stimulation circuit so as to apply positive voltage to the brain part to be stimulated.
3. The electrical brain stimulation tip structure according to claim 2, wherein the stimulation electrode (20) further comprises:
a negative stimulation electrode (22) for connection with a negative pole of the stimulation circuit to generate a stimulation current between an end of the positive stimulation electrode (21) and an end of the negative stimulation electrode (22).
4. The electrical brain stimulation tip structure according to claim 3, wherein the end of the positive stimulation electrode (21) is flush with the end of the negative stimulation electrode (22).
5. The electrical brain stimulation tip structure according to claim 3, wherein the positive stimulation electrode (21) and the negative stimulation electrode (22) are spirally wound with each other.
6. The brain electrical stimulation tip structure according to claim 3, wherein the positive stimulation electrode (21) and the negative stimulation electrode (22) are made of resistance wires with insulating outer layers.
7. The electrical brain stimulation tip structure according to claim 3, wherein a copper rod (40) is connected to each of the positive stimulation electrode (21) and the negative stimulation electrode (22), the positive stimulation electrode (21) is connected to the positive electrode of the stimulation circuit through the copper rod (40), and the negative stimulation electrode (22) is connected to the negative electrode of the stimulation circuit through the copper rod (40).
8. The electrical brain stimulation tip structure of claim 7, further comprising:
a female socket (50) and a ground wire (60);
the female socket (50) is provided with a first connecting end (51), a second connecting end (52), a third connecting end (53) and a fourth connecting end (54);
the positive stimulation electrode (21) is welded on the first connection end (51) through the copper bar (40) and is connected with the positive electrode of the stimulation circuit through the first connection end (51);
the negative stimulation electrode (22) is welded on the second connecting terminal (52) through the copper bar (40) and is connected with the negative electrode of the stimulation circuit through the second connecting terminal (52);
the monitoring electrode (30) is welded with the third connecting terminal (53) and is connected with the monitoring circuit through the third connecting terminal (53);
one end of the ground wire (60) is welded with the fourth connecting terminal (54), and the other end of the ground wire (60) is used for being connected with a screw embedded on the skull corresponding to the part to be stimulated of the brain.
9. The electrical brain stimulation tip structure of claim 8, further comprising:
a polyethylene glycol insulating block (70);
the female socket (50) is arranged in the polyethylene glycol insulating block (70) so as to enable the first connecting end (51), the second connecting end (52), the third connecting end (53) and the fourth connecting end (54) of the polyethylene glycol insulating block (70) to be insulated from each other.
10. The electrical brain stimulation tip structure according to claim 1, wherein the length of the stimulation electrode (20) is greater than the length of the monitoring electrode (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446965.8U CN210844980U (en) | 2019-09-02 | 2019-09-02 | Brain electrical stimulation tip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921446965.8U CN210844980U (en) | 2019-09-02 | 2019-09-02 | Brain electrical stimulation tip structure |
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| Publication Number | Publication Date |
|---|---|
| CN210844980U true CN210844980U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921446965.8U Active CN210844980U (en) | 2019-09-02 | 2019-09-02 | Brain electrical stimulation tip structure |
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|---|---|
| CN (1) | CN210844980U (en) |
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