CN112515683A - Electroencephalogram cap and electroencephalogram collection method - Google Patents
Electroencephalogram cap and electroencephalogram collection method Download PDFInfo
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- CN112515683A CN112515683A CN202011370537.9A CN202011370537A CN112515683A CN 112515683 A CN112515683 A CN 112515683A CN 202011370537 A CN202011370537 A CN 202011370537A CN 112515683 A CN112515683 A CN 112515683A
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- 210000003128 head Anatomy 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 claims abstract description 31
- 210000004761 scalp Anatomy 0.000 claims abstract description 11
- 210000004556 brain Anatomy 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 16
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- 238000000429 assembly Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 6
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- 208000019736 Cranial nerve disease Diseases 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
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Abstract
An electroencephalogram cap comprises a main body, at least one electrical acquisition component and a plug, wherein the main body is used for being sleeved on a head, the plug is used for being connected with external equipment, and the electrical acquisition component comprises an electrode seat and an electrode group; the electrode holder is fixedly arranged on the surface of the main body, and the electrode group is detachably connected with the electrode holder; the electrode holder is provided with a conductive device and a lead wire for collecting scalp potential information, two ends of the lead wire are respectively connected with the conductive device and the plug, and the conductive device is provided with a second hole suitable for the conductive paste to pass through; the electrode group comprises a conductive paste cavity for storing conductive paste and an electrode contact, the electrode contact is communicated with the inside of the conductive paste cavity, a first pore suitable for the conductive paste to pass through is formed in the electrode contact, and the electrode contact is structurally suitable for being fixed and electrically communicated with a conductive device. An electroencephalogram acquisition method comprises the steps of installation and adjustment, starting work, electrode group position adjustment and the like. The electroencephalogram cap and the electroencephalogram collecting method provided by the invention improve the use convenience of the electroencephalogram cap.
Description
Technical Field
The invention relates to the technical field of medical detection, in particular to an electroencephalogram cap and an electroencephalogram acquisition method.
Background
In clinical application, many cranial nerve diseases, such as epilepsy, mental diseases, sleep disorder and the like, need to acquire physiological and pathological information by recording brain electrical signals. The scalp electroencephalogram acquisition system is generally called an electroencephalogram cap, records a bioelectricity signal through an electrode fixed at the position of the scalp, and is connected with a signal amplifier and an analog-to-digital converter to record an electroencephalogram signal.
At present, the most common electroencephalogram recording mode of hospitals is to directly fix electrode plates by utilizing conductive paste, although the positioning is accurate, the electrodes need to be pasted one by one in the using process, the operation process is time-consuming and labor-consuming, and meanwhile, the electrode placement position needs to depend on the experience of a professional doctor or a technician, so that the electroencephalogram recording mode is very inconvenient.
Therefore, a wearable electroencephalogram cap is also provided in the prior art, each through hole on the electroencephalogram cap corresponds to one electroencephalogram acquisition point, and a doctor introduces the conductive paste into each through hole one by one. The electroencephalogram cap has the advantages that the electrodes can be pre-installed on the electroencephalogram cap, so that the time for fixing the electrodes is saved, but the operation of injecting the conductive paste one by one is complicated, the consumed time is long, and the electroencephalogram cap is still very inconvenient.
In addition, there is a way in which electrical contact between the electrodes and the scalp is achieved by means of an electrolyte (e.g. saline). However, the electrolyte is still inconvenient because the electrolyte is easy to volatilize and needs to be replenished at any time. In addition, the electrolyte is easy to cause short circuit of signals between electrodes, and the acquisition result is influenced.
Disclosure of Invention
The invention aims to solve the technical problem that electroencephalogram testing equipment in the prior art is inconvenient to use, and provides an electroencephalogram cap convenient to use.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an electroencephalogram cap comprises a main body, at least one electrical acquisition assembly and a plug, wherein the main body is used for being sleeved on a head, the plug is used for being connected with external equipment, and the electrical acquisition assembly comprises an electrode holder and an electrode group; the electrode holder is fixedly arranged on the surface of the main body, and the electrode group is detachably connected with the electrode holder;
the electrode holder is provided with a conductive device and a lead wire, the conductive device and the plug are used for collecting scalp potential information, two ends of the lead wire are respectively connected with the conductive device and the plug, and the conductive device is provided with a second hole suitable for conductive paste to pass through;
the electrode group comprises a conductive paste cavity for storing conductive paste and an electrode contact, the electrode contact is communicated with the inside of the conductive paste cavity, a first pore suitable for the conductive paste to pass through is formed in the electrode contact, and the electrode contact is structurally suitable for being fixed and electrically communicated with the conductive device.
In the electroencephalogram cap, the plane where the second hole is located and the plane where the first hole is located are suitable for being attached when the electrode group and the electrode seat are in a connection state.
In the electroencephalogram cap, the first hole is formed in one end, far away from the conductive paste cavity, of the electrode contact; the second aperture and the first aperture are adapted to form a passage for the passage of a conductive paste when the electrode set and the electrode holder are in a connected state.
In the electroencephalogram cap, the number of the second pores is more than that of the first pores, and the sizes of the second pores are not all the same and are smaller than that of the first pores.
In the electroencephalogram cap, the number of the first pores is more than that of the second pores, and the sizes of the first pores are not all the same and are smaller than that of the second pores.
In the electroencephalogram cap, the conducting device is a rotary female head, and the surface of the electrode contact is provided with a rotary male head matched with the rotary female head.
In the electroencephalogram cap, the conducting device is provided with the test unit, and the test unit comprises a test circuit board for measuring impedance and an indicator lamp for displaying the impedance state.
In the electroencephalogram cap, the permeable membrane for maintaining pressure balance is arranged in the conductive paste cavity, and the knob for rotating the electrode group is arranged at one end, far away from the electrode contact, of the conductive paste cavity.
In the electroencephalogram cap, the number of the electrical acquisition assemblies is multiple, and each electrical acquisition assembly corresponds to one electroencephalogram acquisition potential.
The invention also provides an electroencephalogram acquisition method using the electroencephalogram cap, which comprises the following steps:
step A: sleeving the main body on the head, and adjusting the position of the electric acquisition assembly;
and B: fixing the plug on a designated device, and starting the electroencephalogram cap to work;
and C: and adjusting the position of the electrode group according to the storage amount of the conductive paste at the position of the electrode seat so as to adjust the replenishing speed of the conductive paste.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the electroencephalogram cap comprises a main body, at least one electrical acquisition component and a plug, wherein the main body is used for being sleeved on a head, the plug is used for being connected with external equipment, and the electrical acquisition component comprises an electrode holder and an electrode group; the electrode holder is fixedly arranged on the surface of the main body, and the electrode group is detachably connected with the electrode holder. The electrode holder is provided with a conductive device and a lead wire for collecting scalp potential information, two ends of the lead wire are respectively connected with the conductive device and a plug, and the conductive device is provided with a second hole suitable for the conductive paste to pass through; the electrode group comprises a conductive paste cavity for storing conductive paste and an electrode contact, the electrode contact is communicated with the inside of the conductive paste cavity, a first pore suitable for the conductive paste to pass through is formed in the electrode contact, and the electrode contact is structurally suitable for being fixed and electrically communicated with a conductive device. Due to the design, the scalp potential collecting position can be automatically supplemented with the conductive paste continuously through the first pore and the second pore, so that the workload of operators is reduced, and the use convenience of the electroencephalogram cap is improved.
And the plane of the second hole and the plane of the first hole are suitable for being jointed when the electrode group and the electrode seat are in a connection state. By means of the design, when the first pore and the second pore are completely staggered by adjusting the position of the electrode group, the relative closing of the conductive paste supplementing channel can be achieved, at the moment, the conductive paste is supplemented only from the connected gaps, the minimum supplementing speed of the conductive paste is reduced, the supplementing speed range of the conductive paste is expanded, and the use universality of the electroencephalogram cap is improved.
Thirdly, the first hole is formed in one end, far away from the conductive paste cavity, of the electrode contact; the second aperture and the first aperture are adapted to form a passage for the passage of the conductive paste when the electrode group and the electrode holder are in the connected state. By means of the design, when the electroencephalogram cap is used normally, the conductive paste can automatically pass through the channel under the action of gravity, so that automatic supplement of the conductive paste is further achieved, and the use convenience of the electroencephalogram cap is further improved.
The electroencephalogram cap is characterized in that the number of the second pores is more than that of the first pores, and the sizes of the second pores are not all the same and are smaller than that of the first pores. Or the number of the first pores is more than that of the second pores, and the sizes of the first pores are not all the same and are smaller than that of the second pores. Such design through the position of adjusting electrode group, can make and have multiple passageway radius between first hole/the second hole to control the supplementary speed of conductive paste more accurately, help supplementing conductive paste more accurately, promoted the use convenience of brain electricity cap.
The electroencephalogram cap is characterized in that the conductive device is a rotary female head, and a rotary male head matched with the rotary female head is arranged on the surface of the electrode contact. Due to the design, the electrode group is more accurate and convenient to mount, the conductive paste supplement speed caused by deviation of the mounting angle of the electrode group is prevented from being abnormal, and the use accuracy of the electroencephalogram cap is improved.
The electroencephalogram cap is characterized in that the conductive device is provided with a test unit, and the test unit comprises a test circuit board for measuring impedance and an indicator lamp for displaying the impedance state. When the conductive paste at the scalp potential collecting position is absent, the indicating lamp can change in brightness or color, and an operator can more intuitively know whether the conductive paste is sufficient or not, so that targeted operation is performed. Due to the design, the use convenience of the electroencephalogram cap is further improved.
The number of the electric acquisition components of the electroencephalogram cap is multiple, and each electric acquisition component corresponds to one electroencephalogram acquisition potential. Due to the design, the electroencephalogram cap can directly correspond to a plurality of scalp potential collecting positions, electroencephalogram collection is carried out on a plurality of positions simultaneously, and the use convenience of the electroencephalogram cap is further improved.
The electroencephalogram acquisition method comprises the following steps: step A: sleeving the main body on the head, and adjusting the position of the electric acquisition assembly; and B: fixing the plug on a designated device, and starting the electroencephalogram cap to work; and C: the position of the electrode group is adjusted according to the conductive paste stock at the position of the electrode holder, so as to adjust the replenishing speed of the conductive paste. By means of the design, the brain electricity collecting potential can be directly supplemented with the conductive paste on the premise that the brain electricity cap main body is not removed, the supplementing speed of the conductive paste can be adjusted according to the storage amount of the brain electricity collecting potential, manual injection of the conductive paste is avoided, and the use convenience of the brain electricity cap is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of the electroencephalogram cap in the preferred embodiment of the present invention;
FIG. 2 is a schematic view of the electrode holder according to the preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the electrode assembly in the preferred embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the electroencephalogram testing system in the preferred embodiment of the present invention.
The reference numbers in the figures denote: 1-main body, 2-electricity collection assembly, 21-electrode holder, 211-rotary female head, 212-second pore, 213-test circuit board, 214-indicator light, 215-lead, 22-electrode group, 221-electrode contact, 222-first pore, 223-rotary male head, 224-conductive paste cavity, 225-permeable membrane, 226-knob, 3-plug, 4-external equipment, 41-power supply module, 42-signal amplification module, 43-analog-digital conversion module, 44-processing module, 45-storage module, 46-display module, 47-operation system and 48-connection unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the present invention is a preferred embodiment of the present invention, and the present embodiment relates to an electroencephalogram test system, which includes an electroencephalogram cap and an external device 4.
The brain electricity cap is including the main part 1, at least one electricity collection subassembly 2 and be used for the plug 3 of being connected with external device 4 of cover establishing at the head, electricity collection subassembly 2 sets up the surface of main part 1. In this embodiment, the number of the electrical acquisition assemblies 2 is multiple, and each electrical acquisition assembly 2 corresponds to one electrical brain acquisition potential. Further, the number of the electrical collection assemblies 2 is thirty-two.
The electric acquisition assembly 2 comprises an electrode seat 21 and an electrode group 22 which are detachably connected; the electrode holder 21 is provided with a conductive device for collecting scalp potential information and a lead 215, two ends of the lead 215 are respectively connected with the conductive device and the plug 3, and the conductive device is provided with a second pore 212 suitable for conductive paste to pass through; the electrode group 22 comprises a conductive paste cavity 224 for storing conductive paste and an electrode contact 221, wherein the electrode contact 221 is communicated with the interior of the conductive paste cavity 224, a first pore 222 suitable for the conductive paste to pass through is arranged on the electrode contact 221, and the electrode contact 221 is suitable for being fixed and electrically communicated with the conductive device. In this embodiment, the conductive device is a rotating female head 211, and a rotating male head 223 matched with the rotating female head 211 is disposed on the surface of the electrode contact 221. Further, the rotating female head 211 and the rotating male head 223 are made of silver chloride material.
The plane of the second aperture 212 and the plane of the first aperture 222 are adapted to fit when the electrode assembly 22 and the electrode holder 21 are in the connected state. In this embodiment, the first aperture 222 is disposed at an end of the electrode contact 221 away from the conductive paste cavity 224; the second aperture 212 and the first aperture 222 are adapted to form a passage for the passage of a conductive paste when the electrode group 22 and the electrode holder 21 are in a connected state.
In the present embodiment, the number of the second apertures 212 is greater than that of the first apertures 222, and the sizes of the second apertures 212 are not all the same and smaller than that of the first apertures 222. Further, the first apertures 222 are two circular holes, and the first apertures 222 are uniformly disposed on the surface of the electrode contact 221; the second apertures 212 are six circular holes, and the second apertures 212 are uniformly arranged on the surface of the conductive device.
In this embodiment, the conductive device is provided with a test unit including a test circuit board 213 that measures impedance and an indicator lamp 214 that displays the status of the impedance. When the impedance state is abnormal, that is, the conductive paste of the electroencephalogram collected potential is insufficient, the brightness or color of the indicator light 214 changes, and the operator is prompted to supplement the conductive paste in time. Further, in this embodiment, when the amount of the conductive paste of the electroencephalogram acquisition potential is normal, the indicator lamp 214 is always in the green state, and when the impedance state is abnormal, the indicator lamp 214 changes to yellow.
A permeable membrane 225 for maintaining pressure balance is disposed inside the conductive paste chamber 224, and a knob 226 for rotating the electrode group 22 is disposed at an end of the conductive paste chamber 224 away from the electrode contact 221.
In this embodiment, the external device 4 includes a power supply module 41 for supplying power to the electroencephalogram cap, a connection unit 48 for connecting with the plug 3, a processing module 44, and a display module 46. Further, the external device 4 further includes a signal amplifying module 42, an analog-to-digital conversion module 43, a storage module 45, and an operating system 47.
An electroencephalogram acquisition method sequentially comprises the following steps:
step A: and sleeving the main body 1 on the head, and adjusting the position of the electric acquisition assembly 2.
And B: and fixing the plug 3 on a designated device, and starting the electroencephalogram cap to work.
And C: the position of the electrode group 22 is adjusted according to the amount of the conductive paste stored in the position of the electrode holder 21, so as to adjust the replenishing speed of the conductive paste.
In this embodiment, the step a is detailed as step a1 and step a 2.
Step A1: all the electrode groups 22 are removed, and the main body 1 is sleeved on the head.
Step A2: and adjusting the positions of the electrical acquisition components 2 to enable each electrical acquisition component 2 to be arranged at the position of the electroencephalogram acquisition potential.
In the present embodiment, the step B is refined into a step B1, a step B2, a step B3 and a step B4.
Step B1: the plug 3 is inserted into the external device 4, and the plug 3 is made to communicate with the connection unit 48.
Step B2: all the electrode groups 22 are fixedly arranged on the electrode seat 21, and the position of the electrode group 22 is adjusted to enable the conductive paste cavity 224 to release a certain amount of conductive paste, so that the conductive paste is enabled to reach the electroencephalogram acquisition potential position along the first aperture 222 and the second aperture 212.
Step B3: the position of the electrode assembly 22 is adjusted in turn such that the passage formed by the first aperture 222 and the second aperture 212 is in a minimum or closed position.
Step B4: and starting the electroencephalogram test system and the electroencephalogram cap.
In the present embodiment, the step C is refined into a step C1, a step C2, a step C3 and a step C4.
Step C1: during the detection, the status of the indicator light 214 is observed in real time, and when the color of the indicator light 214 changes from green to yellow, the steps C2, C3, and C4 are performed.
Step C2: the knob 226 is rotated to enable the smallest circular hole in the first aperture 222 and the second aperture 212 to form a channel, and the conductive paste in the conductive paste cavity 224 passes through the channel to the electroencephalogram acquisition potential position to supplement the conductive paste at the electroencephalogram acquisition potential position.
Step C3: if the color of the indicator 214 remains yellow, continued rotation of the knob 226 causes the first aperture 222 to channel the larger circular hole in the second aperture 212.
Step C4: if the color of the indicator 214 returns to green, the knob 226 is turned to the initial position, and the channel formed by the first aperture 222 and the second aperture 212 is closed.
In other embodiments, the number of the electrical acquisition assemblies 2 arranged on each electroencephalogram cap may also be one, two, three, five, eight, ten, fifteen, twenty, thirty, forty, fifty or more, the number of the electrical acquisition assemblies 2 is arranged based on different detection purposes, and the difference in the number does not affect the achievement of the design purpose of the present invention.
In other embodiments, the conductive device may be a rotary male head, and the surface of the electrode contact 221 is provided with a rotary female head matched with the rotary male head. Or the conductive device and the electrode contact are fixed in other modes such as a buckling structure, screw/bolt fixing and the like, so that the main design purpose of the invention can be realized.
In other embodiments, the materials of the rotating female head 211 and the rotating male head 223 may also be conductive materials, and the conductivity difference caused by the different materials may affect the detection result to some extent, but does not affect the implementation of the main design object of the present invention.
In other embodiments, the channel formed by the first aperture 222 and the second aperture 212 may also be disposed at the side of the electrode contact 221, although such a design may cause a certain degree of conductive paste flow blockage, but may also substantially achieve the objectives of the present invention. Accordingly, the plane of the second aperture 212 and the plane of the first aperture 222 may not be completely attached, which may result in the conductive paste being in a complementary state all the time, but may also achieve the design objective of the present invention to some extent.
In other embodiments, the number of the first apertures 222 and the second apertures 212 may also be other values, and the first apertures 222 and the second apertures 212 may also be triangular, square, hexagonal or other shapes, and the difference between the number and the shape does not affect the achievement of the design objective of the present invention.
In other embodiments, the number of the first apertures 222 may be more than that of the second apertures 212, and the sizes of the first apertures 222 are not all the same and are smaller than that of the second apertures 212. The design purpose of the invention can be realized only by adjusting the position of the electrode group to enable various channel radiuses to exist between the first pore and the second pore so as to more accurately control the supplement speed of the conductive paste.
In other embodiments, the indicator 214 may also indicate the impedance state abnormality through other color changes or brightness changes, as long as the operator knows the representative meaning in advance. Even in other embodiments, the test circuit board 213 and the indicator 214 may not be provided, and the design object of the present invention may be achieved only by the working experience of the operator or by manually checking and determining the conductive paste amount.
In other embodiments, the permeable membrane 225 may not be disposed inside the conductive paste chamber 224.
In other embodiments, the knob 226 may be disposed at other positions of the conductive paste chamber 224, even without the knob 226, as long as the operator can rotate/move the electrode set 22, which can achieve the design objective of the present invention.
In other embodiments, the external device 4 may not include the signal amplifying module 42, the analog-to-digital conversion module 43, the storage module 45, and the operating system 47. Or the structure and the function of the external device 4 are changed according to other use requirements, and the realization of the design purpose of the invention is not influenced by the differential selection of the external device 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
1. An electroencephalogram cap is characterized in that: the head-mounted socket comprises a main body (1) sleeved on the head, at least one electric acquisition assembly (2) and a plug (3) connected with an external device (4), wherein the electric acquisition assembly (2) comprises an electrode seat (21) and an electrode group (22); the electrode seat (21) is fixedly arranged on the surface of the main body (1), and the electrode group (22) is detachably connected with the electrode seat (21);
the electrode holder (21) is provided with a conductive device and a lead (215) for collecting scalp potential information, two ends of the lead (215) are respectively connected with the conductive device and the plug (3), and the conductive device is provided with a second pore (212) suitable for conductive paste to pass through;
the electrode group (22) comprises a conductive paste cavity (224) for storing conductive paste and an electrode contact (221), the electrode contact (221) is communicated with the interior of the conductive paste cavity (224), a first pore (222) suitable for the conductive paste to pass through is arranged on the electrode contact (221), and the electrode contact (221) is suitable for being fixed and electrically communicated with the conductive device.
2. The brain electrical cap of claim 1, wherein: the plane of the second aperture (212) and the plane of the first aperture (222) are suitable for fitting when the electrode group (22) and the electrode holder (21) are in a connected state.
3. The brain electrical cap of claim 2, wherein: the first aperture (222) is disposed at an end of the electrode contact (221) distal from the conductive paste cavity (224); the second aperture (212) and the first aperture (222) are adapted to form a passage for the passage of a conductive paste when the electrode group (22) and the electrode holder (21) are in a connected state.
4. The brain electrical cap of claim 3, wherein: the number of second apertures (212) is greater than the first apertures (222), the sizes of the second apertures (212) are not all the same and are smaller than the size of the first apertures (222).
5. The brain electrical cap of claim 3, wherein: the first apertures (222) are more numerous than the second apertures (212), the first apertures (222) not all being the same size and being smaller than the second apertures (212).
6. The brain electrical cap of claim 1, wherein: the conducting device is a rotary female head (211), and a rotary male head (223) matched with the rotary female head (211) is arranged on the surface of the electrode contact (221).
7. The brain electrical cap of claim 1, wherein: the conductive device is provided with a test unit including a test circuit board (213) that measures impedance and an indicator lamp (214) that displays the status of the impedance.
8. The brain electrical cap of claim 1, wherein: an osmotic membrane (225) used for maintaining pressure balance is arranged in the conductive paste cavity (224), and a knob (226) used for rotating the electrode group (22) is arranged at one end of the conductive paste cavity (224) far away from the electrode contact (221).
9. The brain electrical cap of claim 1, wherein: the number of the electric acquisition assemblies (2) is multiple, and each electric acquisition assembly (2) corresponds to one electroencephalogram acquisition potential.
10. A brain electrical acquisition method, using the brain electrical cap of any one of claims 1-9, the method comprising the steps of:
step A: sleeving the main body (1) on the head, and adjusting the position of the electric acquisition assembly (2);
and B: fixing the plug (3) on a designated device, and starting the electroencephalogram cap to work;
and C: and adjusting the position of the electrode group (22) according to the conductive paste stock at the position of the electrode seat (21) so as to adjust the replenishing speed of the conductive paste.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113349804A (en) * | 2021-06-28 | 2021-09-07 | 上海大学 | Flexible extensible quick automatic conductive paste injection device |
| CN114916920A (en) * | 2022-07-18 | 2022-08-19 | 中国科学院自动化研究所 | Self-adaptive rotary adjusting contact and wearable brain function detection device |
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| CN208893158U (en) * | 2018-05-18 | 2019-05-24 | 蕲春千年艾科技有限公司 | Simple moxibustion cylinder |
| WO2020220162A1 (en) * | 2019-04-28 | 2020-11-05 | 武汉格林泰克科技有限公司 | Electroencephalogram electrode cap |
| CN110786852A (en) * | 2019-10-29 | 2020-02-14 | 北京机械设备研究所 | Dry-wet universal electroencephalogram sensing electrode |
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| CN113349804A (en) * | 2021-06-28 | 2021-09-07 | 上海大学 | Flexible extensible quick automatic conductive paste injection device |
| CN114916920A (en) * | 2022-07-18 | 2022-08-19 | 中国科学院自动化研究所 | Self-adaptive rotary adjusting contact and wearable brain function detection device |
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