CN112971787A - Electrode cap suitable for monkey brain test in electromagnetic environment - Google Patents
Electrode cap suitable for monkey brain test in electromagnetic environment Download PDFInfo
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Abstract
The invention discloses an electrode cap suitable for a monkey brain test in an electromagnetic environment, which comprises: the helmet comprises a helmet body, a plurality of anti-electromagnetic interference electrodes and an adjustable fixing piece. Wherein, the cap body forms the cover body structure, offers two holes of dodging that can lead to the monkey ear on the cap body. A plurality of anti-electromagnetic interference electrodes are connected to the surface of the cap body. The adjustable fixing piece is connected to one side, close to the avoidance hole, of the cap body, and a space enclosed between the adjustable fixing piece and the cap body is suitable for containing the monkey brain. According to the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, the cap body in the cap body structure is convenient to wear on a monkey head, the whole cap body can be quickly positioned by penetrating monkey ears in the avoidance holes, the cap body is not easy to shake on the head of a monkey, and the anti-electromagnetic interference electrodes are not easy to misplace. The electrode cap can be suitable for electroencephalogram tests of macaques with different head types, the electrode cap can be reliably covered on the surface of the hericium erinaceus, the anti-electromagnetic interference electrodes on the cap body are accurate and stable relative to the position to be tested, and the test result is accurate and correct.
Description
Technical Field
The invention belongs to the technical field of electroencephalogram detection equipment manufacturing, and particularly relates to an electrode cap for a monkey brain test, which is suitable for an electromagnetic environment.
Background
The electrical activity of the neurons is the basis for the smooth operation of the brain, and electroencephalogram signals can be recorded by attaching the electrodes to the scalp, so that the dynamic voltage changes of different positions in a local electric field relative to a reference position in a time process can be recorded, whether the tested brain operates normally or not can be observed, and whether the brain is damaged or has potential diseases or not can be measured.
Each electrode of the scalp Electroencephalogram (EEG) reflects the weighted sum of different vector electric fields of the brain electrical activity in a large spatial range, and has the advantages of non-invasiveness, repeatability, extremely high time resolution and certain spatial resolution.
Most biological experiments are carried out in rodents, but due to the great difference between rodent and human species, the rodent data obtained by the test cannot be directly analogized and is suitable for humans. And the non-human primate has high similarity with the human body structure, so that the data obtained by the non-human primate experiment has more reference values. When non-human primates are adopted for brain electrical tests, the disclosed brain disease pathological changes, brain injury characteristics, mechanism and the like have important significance for searching brain disease prevention and treatment strategies.
The macaque is the most commonly used non-human primate, but the electroencephalogram electrode cap used by the macaque at present is struggled in the test process, so that the electroencephalogram electrode cap is easily broken off or electrodes are dislocated, and the electroencephalogram electrode caps are not completely suitable for the electroencephalogram test of the macaque. In addition, most electroencephalogram electrode caps adopt metal electrodes, signal interference is easily generated in an electromagnetic environment, and serious people can cause electroencephalogram signal detection equipment to be damaged.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the electrode cap for the monkey brain test is suitable for the electrical brain test of the macaque and can be used for the test in the electromagnetic environment, and the problems that the existing electrical brain electrode cap is easy to break away and the test in the electromagnetic environment is easy to be interfered by signals are solved.
According to the embodiment of the invention, the electrode cap suitable for the monkey brain test in the electromagnetic environment comprises: the helmet body is of a helmet body structure, and two avoidance holes capable of leading out monkey ears are formed in the helmet body; a plurality of anti-electromagnetic interference electrodes connected to a surface of the cap body; the adjustable fixing piece is connected to one side, close to the avoidance hole, of the cap body, and the space enclosed between the adjustable fixing piece and the cap body is suitable for containing the monkey brain.
According to the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, disclosed by the embodiment of the invention, the cap body in the cap body structure is convenient to wear on a monkey head, and the whole cap body can be quickly positioned by penetrating monkey ears into the avoidance holes on the cap body, so that the cap body is not easy to shake on the head of a monkey, and the anti-electromagnetic interference electrodes are not easy to misplace. The electrode cap can be suitable for electroencephalogram tests of macaques with different head types through the matching of the adjustable fixing piece and the cap body, the electrode cap is reliably covered on the surface of the hericium erinaceus, the anti-electromagnetic interference electrode on the cap body is accurate and stable relative to the position to be tested, and the test result is accurate.
According to the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, disclosed by the embodiment of the invention, the cap body can wrap at least the periphery of the monkey brain corresponding to the monkey brain, and the positions of the anti-electromagnetic interference electrodes are positioned on the cap body according to the potential design standards of Fz, Cz, REF, Pz, Oz, FP1, C1, O1, T1, T5, FP2, C2, O2, T2 and T6 in the international 10-20 brain electrode positioning standard.
According to the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, provided by the embodiment of the invention, the anti-electromagnetic interference electrode comprises the electrode positioning rings and the electrode tips which are arranged in pairs, the electrode positioning rings are connected to the surface of the cap body, and the electrode tips are connected to the electrode positioning rings in a positioning mode.
Optionally, a glue injection hole penetrating in the thickness direction is formed in the middle of the electrode positioning ring, the electrode tip extends into the glue injection hole along the radial direction of the electrode positioning ring, the glue injection hole can be filled with conductive paste, and the electrode tip is wrapped by the conductive paste.
Optionally, the electrode holding ring includes first holding ring, second holding ring and intermediate junction portion, first holding ring with the second holding ring passes through intermediate junction portion links to each other, first holding ring with the interval sets up between the second holding ring, the middle part of intermediate junction portion link up along the axial and forms the glue injection hole, first holding ring with the second holding ring is connected respectively the medial surface and the lateral surface of the cap body.
Advantageously, a plurality of fixing holes are formed in the cap body at intervals, one electrode positioning ring is connected to each fixing hole, a clamping groove is formed in a space among the first positioning ring, the second positioning ring and the middle connecting portion, and the clamping groove is clamped at the edge of each fixing hole.
According to the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, provided by the embodiment of the invention, the adjustable fixing piece comprises two pull rings and a supporting belt, the two pull rings are respectively and rotatably arranged at the lower part of the cap body, and two ends of the supporting belt are respectively and rotatably sleeved on the two pull rings.
Advantageously, the distance between two rotating shafts formed by connecting the supporting belt and the pull ring is adjustable, and the supporting belt is provided with at least one force releasing hole.
Optionally, one side of the cap body close to the avoidance hole is provided with two first rotating sleeves arranged in parallel, two ends of the supporting belt are provided with second rotating sleeves arranged in parallel, one end of each pull ring is connected to each first rotating sleeve, and the other end of each pull ring is connected to each second rotating sleeve.
The electrode cap for the monkey brain test, which is suitable for the electromagnetic environment, further comprises an anti-electromagnetic interference lead wire, wherein the anti-electromagnetic interference lead wire is connected with the anti-electromagnetic interference electrode, and the anti-electromagnetic interference lead wire is arranged along the surface of the cap body in an extending manner; the cap body is a reticular elastic fiber fabric.
Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an electrode cap for a monkey brain test, which is suitable for an electromagnetic environment according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another angle of the electrode cap for the monkey brain test, which is suitable for the electromagnetic environment according to an embodiment of the present invention.
Fig. 3 is a side view of an electrode cap for a monkey brain test adapted for use in an electromagnetic environment according to an embodiment of the present invention.
Fig. 4 is a partial structural view of an electrode cap for a monkey brain test without a support band, which is suitable for an electromagnetic environment according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of a structure of a carrier strip in accordance with one embodiment of the present invention.
FIG. 6 is a schematic structural view of a tab of one embodiment of the present invention.
Fig. 7 is a schematic structural diagram of the positions of a plurality of emi electrodes on an electrode cap according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of electroencephalogram signals collected by a macaque before exposure of electromagnetic waves by using the electrode cap for the monkey brain test in the electromagnetic environment.
Fig. 9 is a schematic diagram of an electroencephalogram signal acquired by a macaque in an electromagnetic wave exposure process by using the electrode cap for the monkey brain test applicable to the electromagnetic environment of the present invention.
Fig. 10 is a schematic diagram of electroencephalogram signals collected by a macaque after the electrode cap suitable for the monkey brain test in the electromagnetic environment is exposed to electromagnetic waves.
Reference numerals:
an electrode cap 100 for testing the monkey brain, which is suitable for the electromagnetic environment,
A cap body 110, a dodging hole 111, a first rotating sleeve 112,
An anti-electromagnetic interference electrode 120,
An electrode positioning ring 121,
A first positioning ring 1211, a second positioning ring 1212,
An intermediate connecting part 1213, a glue injection hole 1214,
An electrode head 122,
An adjustable fixing member 130,
The pull ring 131, the supporting belt 132, the force releasing hole 1321, the second rotating sleeve 1322,
Anti-electromagnetic interference lead wires 140.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
An electrode cap 100 for a monkey brain test adapted to an electromagnetic environment according to an embodiment of the present invention will be described with reference to the accompanying drawings.
An electrode cap 100 for a monkey brain test, which is suitable for an electromagnetic environment according to an embodiment of the present invention, as shown in fig. 1, includes: a cap body 110, a plurality of anti-electromagnetic interference electrodes 120, and an adjustable fixture 130.
The cap body 110 is formed as a cap body structure, and two avoiding holes 111 capable of leading out the ears of a monkey are formed on the cap body 110. The cover body structure here indicates the class cap structure that can cover on the hedgehog hydnum, and the cap body 110 of this application can wrap up the hedgehog hydnum periphery that at least monkey brain corresponds to the convenience is tested each test site to the monkey brain.
As shown in fig. 1 and 2, a plurality of anti-electromagnetic interference electrodes 120 are attached to the surface of the cap body 110, where the anti-electromagnetic interference electrodes 120 are mainly used for testing dynamic voltage.
With reference to fig. 1, the adjustable fixing member 130 is connected to a side of the cap body 110 close to the avoiding hole 111, and a space enclosed between the adjustable fixing member 130 and the cap body 110 is suitable for accommodating a monkey head, that is, a space formed between the cap body 110 and the adjustable fixing member 130 after the cap body is connected is suitable for a monkey for testing to be worn on a monkey head, and the monkey for testing may be a non-human primate, such as a monkey for other medical tests. In the following embodiments, the electrode cap 100 for a monkey brain test applicable to an electromagnetic environment according to the present application is mainly worn by a macaque as an example.
According to the electrode cap 100 for the monkey brain test, which is suitable for the electromagnetic environment, disclosed by the embodiment of the invention, the cap body 110 of the cap body structure has a certain wrapping performance, so that the electrode cap can be conveniently worn on the head of a macaque, and the anti-electromagnetic interference electrode 120 is conveniently arranged due to the large surface area of the cap body.
The monkey ear penetrates into the two avoidance holes 111 on the cap body 110, so that the whole cap body 110 can be quickly positioned and worn on the head of a monkey, and the cap body 110 is not easy to shake on the head of the monkey after being worn, so that the anti-electromagnetic interference electrode 120 arranged on the cap body 110 is not easy to dislocate relative to a test site on a monkey head.
And this application can make the electrode cap be applicable to the brain electricity test of the not equidimension head type kiwi fruit through the cooperation of adjustable mounting 130 and the cover body, makes the electrode cap cover establish on the hedgehog hydnum surface reliably, and the kiwi fruit can not shake off the cap body 110, has further guaranteed that anti-electromagnetic interference electrode 120 on the cap body 110 is accurate, stable for the position that awaits measuring, thereby ensures that the result that each anti-electromagnetic interference electrode 120 tested is accurate.
It can be understood that, compared with the electrode cap which is easy to generate signal interference in the electromagnetic environment in the prior art, the anti-electromagnetic interference electrode 120 of the electrode cap 100 for monkey brain test in the electromagnetic environment of the present invention has a certain anti-electromagnetic performance, and can ensure accurate test in the electromagnetic environment. And compare in the electrode cap that is struggled to take off easily by the kiwi, this application be suitable for the monkey brain test of electromagnetic environment with electrode cap 100 be difficult for getting rid of by the kiwi and take off, anti-electromagnetic interference electrode 120 is difficult for the dislocation.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Optionally, the cap body 110 of the present application is a mesh elastic fiber fabric, so that the cap body 110 is light, comfortable to wear, elastic, and good in wrapping performance, and the anti-electromagnetic interference electrode 120 is conveniently mounted on the cap body 110.
In some embodiments of the present invention, as shown in fig. 7, the positions of the plurality of anti-emi electrodes 120 are located on the cap 110 according to the design criteria of the potentials Fz, Cz, REF, Pz, Oz, FP1, C1, O1, T1, T5, FP2, C2, O2, T2, T6 in the international 10-20 electroencephalogram location standard, that is, the positions of the electrodes are 15-lead, wherein the centerlines are Fz, Cz, REF, Pz, and Oz, the left sides are FP1, C1, O1, T1, and T5, and the right sides are FP2, C2, O2, T2, and T6. By setting the electrode positions and installing the anti-electromagnetic interference electrodes 120 on the corresponding electrode positions, the electroencephalogram monitoring of the macaque is comprehensive and the test effect is guaranteed.
Of course, in other examples of the present invention, the above-mentioned anti-electromagnetic interference electrode 120 may also adopt other electrode positions, as long as it can be ensured that each anti-electromagnetic interference electrode 120 is suitable for being arranged on the monkey brain, and the monkey brain can be detected in all directions.
In some embodiments of the present invention, as shown in FIG. 1, the anti-electromagnetic interference electrode 120 includes an electrode positioning ring 121 and an electrode head 122 disposed in pairs. Wherein the electrode positioning ring 121 is connected on the surface of the cap body 110, and the electrode head 122 is positioned and connected in the electrode positioning ring 121. The electrode positioning ring 121 provides positioning for the installation of the electrode head 122 and provides good support for the installation of the electrode head 122, so that the electrode head 122 can be effectively prevented from being dislocated.
Advantageously, the electrode positioning ring 121 is arranged according to the electrode positions in fig. 7, and after the electrode tip 122 is fixed in the electrode positioning ring 121, the electrode tip 122 can be arranged at the corresponding electrode position and the voltage at the desired electrode position is tested, and the desired brain wave data is obtained.
Optionally, a glue injection hole 1214 penetrating in the thickness direction is formed in the middle of the electrode positioning ring 121, the electrode tip 122 extends into the glue injection hole 1214 along the radial direction of the electrode positioning ring 121, the glue injection hole 1214 may be filled with a conductive paste, and the electrode tip 122 is wrapped by the conductive paste. The conductive paste is conveniently injected through the glue injection holes 1214, and the amount of the conductive paste can be conveniently observed during glue injection, so that the injected conductive paste is sufficient. After the conductive paste is filled, the electrode tip 122 can be further fixed relative to the electrode positioning ring 121, the position of the electrode tip 122 in the glue injection hole 1214 is kept stable, the situation that the electrode tip 122 is dislocated or falls off due to the fact that the head of a macaque swings in the test process can be effectively avoided, and the reliability of data collected by the electrode tip 122 in the test process is improved.
Optionally, as shown in fig. 1, the radial dimension of the glue injection hole 1214 is one third to one half of the radial dimension of the electrode positioning ring 121, so that the size of the glue injection hole 1214 is large enough to facilitate quick glue injection and glue supplement.
Alternatively, as shown in fig. 2, the electrode positioning ring 121 includes a first positioning ring 1211, a second positioning ring 1212, and an intermediate connection portion 1213, the first positioning ring 1211 and the second positioning ring 1212 are connected by the intermediate connection portion 1213, the first positioning ring 1211 and the second positioning ring 1213 are spaced apart from each other, a glue injection hole 1214 is formed through the intermediate connection portion 1213 in the axial direction, and the first positioning ring 1211 and the second positioning ring 1212 are connected to the inner side surface and the outer side surface of the cap body 110, respectively. That is, the first positioning ring 1211 on the inner surface of the cap body 110 may contact the surface layer of the hericium erinaceus and limit the bottom of the electrode positioning ring 121 at the lower portion of the cap body 110; the second positioning ring 1212 on the outer side of the cap body 110 causes the top of the electrode positioning ring 121 to be retained on the upper portion of the cap body 110, thereby stabilizing the position of the electrode positioning ring 121 relative to the cap body 110. The second positioning ring 1212 disposed outside the cap body 110 can further make the glue injection hole 1214 more prominent, thereby facilitating glue injection and glue supplement.
Optionally, a plurality of fixing holes are formed in the cap body 110 at intervals, each fixing hole is connected with one electrode positioning ring 121, a clamping groove is formed in a space between the first positioning ring 1211, the second positioning ring 1212 and the middle connecting portion 1213, the clamping groove is clamped at an edge of the fixing hole, that is, the edge of the fixing hole can be clamped in from the circumferential direction of the clamping groove, and the electrode positioning ring 121 can be assembled on the cap body 110 from any angle, so that the operation is convenient and fast. Or may be rotated about the fixation hole during installation of the electrode positioning ring 121 to facilitate the insertion of the edge of the fixation hole into the electrode positioning ring 121.
Alternatively, the second positioning ring 1212 is drilled from the edge in the radial direction toward the glue injection hole 1214, from which the electrode head 122 is inserted into the electrode positioning ring 121 and projects toward the glue injection hole 1214. Therefore, the length of the electrode tip 122 extending into the glue injection hole 1214 is controllable, and the position of the electrode tip 122 in the glue injection hole 1214 is convenient to adjust.
Advantageously, the first positioning ring 1211 and the second positioning ring 1212 are the same size and each have clamping edges extending in a direction toward each other, and two sets of clamping edges are spaced apart and form the entrance of the clamping groove.
In the description of the invention, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between the described features, whether they are sequential or not.
In some embodiments of the present invention, as shown in fig. 1, the adjustable fixing member 130 includes two pull rings 131 and a supporting strap 132, wherein the two pull rings 131 are respectively rotatably disposed at the lower portion of the cap body 110, and two ends of the supporting strap 132 are respectively rotatably sleeved on the two pull rings 131. The pull ring 131 is located the side face of kiwi fruit, alleviates the vexed sense of kiwi fruit in the testing process, and pull ring 131 also conveniently is connected with the cap body 110 and holds in the palm area 132 simultaneously, can see through pull ring 131 the facial expression of kiwi fruit fast observation after connecting. Meanwhile, the pull rings 131, the supporting belts 132 and the cap body 110 are rotatably connected, when the two pull rings 131 approach each other, the transverse distance between the supporting belts 132 is reduced, and the longitudinal distance is lengthened, so that the macaque with a long face shape is suitable for macaques; when two pull rings 131 orientation were kept away from each other the direction and are rotated, the transverse distance between the support belt 132 increased, and longitudinal distance shortens, is fit for the more obese macaque of face type to make this application be applicable in the macaque test of different head types of electrode cap 100 for the monkey brain test of electromagnetic environment use, and the whole be applicable to electrode cap 100 for the monkey brain test of electromagnetic environment simple structure, the assembly is easy, the macaque is difficult for struggling to break away.
Optionally, the distance between the two rotating shafts formed by connecting the supporting belt 132 and the pull ring 131 is adjustable, as shown in fig. 5, at least one force releasing hole 1321 is formed on the supporting belt 132, and the force releasing hole 1321 can prevent the supporting belt 132 from being too tight and torn during the contraction or relaxation process, thereby effectively improving the deformation resistance of the supporting belt 132.
Alternatively, as shown in fig. 1, two first rotating sleeves 112 are arranged in parallel on one side of the cap body 110 close to the avoidance hole 111, as shown in fig. 5, and two second rotating sleeves 1322 are arranged in parallel on both ends of the carrier strip 132, as shown in fig. 1 and 2, one end of each pull ring 131 is connected in the first rotating sleeve 112, and the other end of each pull ring 131 is connected in the second rotating sleeve 1322. The two parallel first rotating sleeves 112 can make the upper parts of the two pull rings 131 stably and always keep on a specific track during the rotation process; the two second rotating sleeves 1322 arranged in parallel can enable the lower parts of the two pull rings 131 to be stable and to be kept on a specific track in the rotating process, and enable the contraction and the relaxation of the supporting belt 132 to be stable in the specific surface track, and the supporting belt 132 is not twisted, so that the supporting belt 132 can be always matched with the chin of a macaque, and good wearing comfort performance is ensured.
Alternatively, the second rotating sleeve 1322 is integrally formed with the supporting belt 132, and the axial direction of the second rotating sleeve 1322 is the same as the width direction of the supporting belt 132, so that the second rotating sleeve 1322 is disposed at two ends of the supporting belt 132 in parallel, and is convenient for processing and manufacturing.
Advantageously, the first rotating sleeve 112 and the second rotating sleeve 1322 are each provided with a through connection hole along the axial direction thereof, so as to facilitate the installation of both ends of the pull ring 131 in the connection holes, respectively.
Advantageously, as shown in fig. 5, the cross-section of the supporting belt 132 gradually decreases from the middle to the second rotating sleeves 1322 on both sides, so that the contact area of the supporting belt 132 with the macaque is sufficient, and the material consumption of the whole supporting belt 132 is saved.
Alternatively, as shown in fig. 6, the pull ring 131 has a certain elastic restoring force, and a joint seam is formed on the pull ring 131, by pulling the pull ring open, the second rotating sleeve 1322 is sleeved in the pull ring 131, and the pull ring 131 is re-fixed in the first rotating sleeve 112, so that the assembly of the pull ring 131 with the carrying strap 132 and the cap body 110 is realized.
In other embodiments of the present invention, the adjustable fastener 130 is not limited to the pull ring 131 and the supporting strap 132, and the adjustable fastener 130 may be an adjustable lace, both ends of which are respectively connected to the cap body 110, and the length of the lace is adjusted by an adjusting buckle, which is not limited herein.
In some embodiments of the present invention, as shown in fig. 1 and 3, the electrode cap 100 for testing a monkey head suitable for an electromagnetic environment further includes an anti-electromagnetic interference lead wire 140, and the anti-electromagnetic interference lead wire 140 is connected to the anti-electromagnetic interference electrode 120, as shown in fig. 4, the anti-electromagnetic interference lead wire 140 extends along the surface of the cap body 110, so as to energize each anti-electromagnetic interference electrode 120 for voltage measurement.
Optionally, the anti-electromagnetic interference lead wire 140 adopts a carbon fiber electrode wire, so that electromagnetic interference in the test process can be effectively avoided.
Optionally, the line body of the anti-electromagnetic interference lead wire 140 is detachably fixed on the cap body 110, so that the line bodies of the anti-electromagnetic interference lead wires 140 are effectively prevented from being staggered and swayed, and the stability of the arrangement of the anti-electromagnetic interference lead wires 140 is improved.
Optionally, the electrode tip 122 and the electromagnetic interference resistance lead wire 140 in the foregoing embodiment are integrally formed, and the electrode tip 122 and the electromagnetic interference resistance lead wire 140 are both made of carbon fiber, so that the processing is facilitated, and the electromagnetic interference resistance of the electromagnetic interference resistance lead wire 140 and the electrode tip 122 is also improved.
In some specific examples, as shown in fig. 1 and 4, each emi lead 140 is connected to one electrode head 122, and each emi lead 140 extends from front to back, is integrated with the rear side of the cap 110, and is connected to an electroencephalogram detection device (not shown).
The following describes an application of the electrode cap 100 for the monkey brain test, which is suitable for the electromagnetic environment in the specific example of the present application.
In the experiment, 3 adult healthy male cynomolgus monkeys are bred in a single cage in the center of experimental animals, the animals are fed with nutritional feed every day, clean fruits are fed in an auxiliary way, drinking water is supplied by an automatic drinking device, the animals are 4-5 years old, and the weight of the animals is 6-8 Kg.
Placing the cynomolgus monkey in a monkey chair with an average power density of 10mW/cm2When the L-band electromagnetic wave is exposed, the electrode cap 100 for the monkey brain test applicable to the electromagnetic environment is adopted to collect the electroencephalogram signals of the monkey brain, and the collected signals are shown in figures 8-10.
Through the observation of the electromagnetic wave expose before, expose in-process and expose back brain electricity signal, can discover, the cynomolgus monkey is wearing this application be applicable to the monkey brain test of electromagnetic environment electrode cap 100 test the in-process of brain wave in electromagnetic environment, and the brain electricity signal that records is stable, does not receive electromagnetic wave signal's interference, consequently this application be applicable to the detection of brain electricity signal under the electromagnetic environment with electrode cap 100 for monkey brain test of electromagnetic environment.
The following describes a specific structure of the electrode cap 100 for a monkey brain test, which is suitable for an electromagnetic environment in an embodiment of the present invention, with reference to the drawings in the specification. The embodiments of the present invention may be all embodiments obtained by combining the foregoing technical solutions, and are not limited to the following specific embodiments, which fall within the scope of the present invention.
Example 1
An electrode cap 100 for monkey brain test suitable for electromagnetic environment, as shown in fig. 1, comprises: the cap body 110, fifteen electromagnetic interference resistant electrodes 120, an adjustable fixing member 130 and an electromagnetic interference resistant lead wire 140.
The cap body 110 is formed as a cap body structure, and two avoiding holes 111 capable of leading out the ears of a monkey are formed on the cap body 110. As shown in fig. 1, 2 and 3, fifteen emi electrodes 120 are attached to the surface of the cap body 110. As shown in FIG. 7, the positions of the 15 EMI electrodes 120 are positioned on the cap body 110 according to the Fz, Cz, REF, Pz, Oz, FP1, C1, O1, T1, T5, FP2, C2, O2, T2, T6 potential design criteria in the International 10-20 electroencephalogram positioning standard.
As shown in fig. 1, the adjustable fixing member 130 is connected to a side of the cap body 110 near the avoiding hole 111, and a space enclosed between the adjustable fixing member 130 and the cap body 110 is suitable for accommodating a monkey brain.
As shown in fig. 4, the anti-electromagnetic interference lead wires 140 are extended along the surface of the cap body 110, and a plurality of anti-electromagnetic interference lead wires 140 are respectively connected to the anti-electromagnetic interference electrodes 120, so as to energize the anti-electromagnetic interference electrodes 120 for voltage measurement.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the adjustable fixing member 130 includes two pull rings 131 and a support belt 132, one side of the cap body 110 near the avoidance hole 111 is provided with two first rotating sleeves 112 arranged in parallel, as shown in fig. 5, two ends of the support belt 132 are provided with second rotating sleeves 1322 arranged in parallel, as shown in fig. 1 and fig. 2, one end of each pull ring 131 is connected in the first rotating sleeve 112, and the other end of each pull ring 131 is connected in the second rotating sleeve 1322. Two force release holes 1321 are provided in the carrier strip 132. The two pull rings 131 are adjusted to swing towards one side towards each other, so that the pull rings 131 are close to the face of the macaque, the bending degree of the support belt 132 is increased, and the horizontal distance of a connecting line of two ends of the support belt 132 is shortened; the two pull rings 131 are adjusted to swing towards one side away from each other to enable the pull rings 131 to be away from the face of the macaque, the bending degree of the supporting belt 132 is reduced, and the horizontal distance of the connecting line of the two ends of the supporting belt 132 is lengthened.
Example 3
The utility model provides an electrode cap 100 is used in monkey brain test suitable for electromagnetic environment, on the basis of embodiment 1, adjustable mounting 130 includes two adjustable frenulums, connects and adjusts its length through button body and button hole between two frenulums, is equipped with a plurality of button holes on one of them frenulum, is equipped with the button body on another frenulum, and the button body can be worn to connect in different button holes and adjust length.
Example 4
An electrode cap 100 for testing the monkey brain, which is suitable for the electromagnetic environment, is based on embodiment 2, as shown in fig. 1, an anti-electromagnetic interference electrode 120 includes an electrode positioning ring 121 and an electrode tip 122, which are arranged in pairs. Wherein the electrode positioning ring 121 is connected on the surface of the cap body 110, and the electrode tip 122 is positioned and connected in the electrode positioning ring 121. The glue injection hole 1214 that link up along the thickness direction is formed at the middle part of electrode holding ring 121, and electrode tip 122 stretches into to the glue injection hole 1214 along electrode holding ring 121's radial in, fills electrically conductive paste in the glue injection hole 1214, and electrically conductive paste wraps up electrode tip 122.
As shown in fig. 2, the electrode positioning ring 121 includes a first positioning ring 1211, a second positioning ring 1212, and an intermediate connection portion 1213, the first positioning ring 1211 and the second positioning ring 1212 are connected by the intermediate connection portion 1213, the first positioning ring 1211 and the second positioning ring 1213 are spaced apart from each other, and a glue injection hole 1214 is formed through the middle portion of the intermediate connection portion 1213 in the axial direction.
A plurality of fixing holes are formed in the cap body 110 at intervals, each fixing hole is connected with one electrode positioning ring 121, a clamping groove is formed in a space among the first positioning ring 1211, the second positioning ring 1212 and the middle connecting portion 1213, the clamping groove is clamped at the edge of the fixing hole, and the first positioning ring 1211 and the second positioning ring 1212 are respectively connected to the inner side surface and the outer side surface of the cap body 110.
Example 5
An electrode cap 100 suitable for testing the monkey brain in an electromagnetic environment is provided, in which, in embodiment 4, an electrode tip 122 and an anti-electromagnetic interference lead wire 140 are integrally formed, and the electrode tip 122 and the anti-electromagnetic interference lead wire 140 are made of carbon fiber.
Example 6
An electrode cap 100 suitable for a monkey brain test in an electromagnetic environment is provided, in which, in example 5, a cap body 110 is a net-shaped elastic fiber fabric.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Those skilled in the art can understand the specific meaning of the above terms in the present invention in specific cases.
Fifteen emi electrodes 120 are shown in fig. 1 for illustrative purposes, but it will be apparent to one of ordinary skill after reading the above technical solutions that the solution can be applied to other numbers of emi electrodes 120, which also falls within the protection scope of the present invention.
The principle of electroencephalogram testing in the electrode cap 100 for monkey brain test applicable to electromagnetic environment according to the embodiment of the present invention is well known to those skilled in the art, and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an electrode cap is used in monkey brain test suitable for electromagnetic environment which characterized in that includes:
the helmet body is of a helmet body structure, and two avoidance holes capable of leading out monkey ears are formed in the helmet body;
a plurality of anti-electromagnetic interference electrodes connected to a surface of the cap body;
the adjustable fixing piece is connected to be close to on the cap body one side of dodging the hole, the adjustable fixing piece with the synthetic space of enclosing between the cap body is suitable for holding the monkey brain.
2. The electrode cap for monkey brain test adapted to electromagnetic environment of claim 1, wherein the cap body is capable of wrapping at least the periphery of the monkey brain corresponding to the monkey brain, and the plurality of anti-electromagnetic interference electrodes are positioned on the cap body according to the design standard of potentials Fz, Cz, REF, Pz, Oz, FP1, C1, O1, T1, T5, FP2, C2, O2, T2 and T6 in the international 10-20 brain electrode positioning standard.
3. The electrode cap suitable for the monkey brain test in the electromagnetic environment of claim 1, wherein the anti-electromagnetic interference electrode comprises an electrode positioning ring and an electrode tip which are arranged in pair, the electrode positioning ring is connected to the surface of the cap body, and the electrode tip is connected to the electrode positioning ring in a positioning manner.
4. The electrode cap suitable for the monkey brain test in the electromagnetic environment of claim 3, wherein a glue injection hole penetrating in the thickness direction is formed in the middle of the electrode positioning ring, the electrode tip extends into the glue injection hole along the radial direction of the electrode positioning ring, the glue injection hole can be filled with a conductive paste, and the electrode tip is wrapped by the conductive paste.
5. The electrode cap for the monkey brain test applicable to the electromagnetic environment of claim 4, wherein the electrode positioning ring comprises a first positioning ring, a second positioning ring and an intermediate connecting portion, the first positioning ring and the second positioning ring are connected through the intermediate connecting portion, the first positioning ring and the second positioning ring are arranged at intervals, the middle portion of the intermediate connecting portion is axially communicated to form the glue injection hole, and the first positioning ring and the second positioning ring are respectively connected to the inner side and the outer side of the cap body.
6. The electrode cap for the monkey brain test applicable to the electromagnetic environment of claim 5, wherein the cap body is formed with a plurality of fixing holes arranged at intervals, each fixing hole is connected with one of the electrode positioning rings, and a space between the first positioning ring, the second positioning ring and the intermediate connecting portion forms a clamping groove clamped at the edge of the fixing hole.
7. The monkey brain test electrode cap suitable for electromagnetic environment of any one of claims 1-6, wherein the adjustable fixing member comprises two pull rings and a supporting belt, the two pull rings are respectively rotatably disposed at the lower portion of the cap body, and two ends of the supporting belt are respectively rotatably sleeved on the two pull rings.
8. The electrode cap for the monkey brain test applicable to the electromagnetic environment of claim 7, wherein the distance between the two rotating shafts formed by connecting the supporting belt and the pull ring is adjustable, and the supporting belt is provided with at least one force releasing hole.
9. The electrode cap for the monkey brain test applicable to the electromagnetic environment of claim 8, wherein one side of the cap body near the avoidance hole is provided with two first rotating sleeves arranged in parallel, two ends of the supporting belt are provided with second rotating sleeves arranged in parallel, one end of each pull ring is connected in the first rotating sleeve, and the other end of each pull ring is connected in the second rotating sleeve.
10. The electrode cap for the monkey brain test applicable to the electromagnetic environment of any one of claims 1 to 6, further comprising an EMI preventing lead wire connected to the EMI preventing electrode, the EMI preventing lead wire running along the surface of the cap body; the cap body is a reticular elastic fiber fabric.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110243058.9A CN112971787A (en) | 2021-03-05 | 2021-03-05 | Electrode cap suitable for monkey brain test in electromagnetic environment |
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| CN202110243058.9A CN112971787A (en) | 2021-03-05 | 2021-03-05 | Electrode cap suitable for monkey brain test in electromagnetic environment |
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