A brain electrical near-infrared brain function imaging system synchronous acquisition helmet

Abstract

The utility model relates to the field of brain imaging technology discloses a kind of electroencephalogram near-infrared brain function imaging system synchronous acquisition helmet, including helmet body, the surface of the helmet body is equipped with several through holes, the upper end of the several through holes is uniformly provided with limiting component, the bottom of the helmet body is provided with fixed component, the inside of the several through holes is uniformly provided with detection probe, the surface of the detection probe is fixedly connected with semicircular iron sheet.The utility model sets up limiting component, specifically when needing to install detection probe, semicircular iron sheet between detection probe surface and limiting block is misaligned and put into it, then detection probe is rotated, semicircular iron sheet is rotated in the inside of limiting groove, limiting block plays the limiting effect to semicircular iron sheet at this time, avoid the situation that detection probe is pulled and causes to fall off, simultaneously semicircular iron sheet and magnet between magnetic attraction fixed, further guarantee the stability when detection probe detects.

Description

Technical Field

[0001] This utility model relates to the field of brain imaging technology, and in particular to a helmet for synchronous acquisition of EEG near-infrared brain function imaging system. Background Technology

[0002] The EEG-Near-Infrared Brain Function Imaging System with Simultaneous Acquisition Helmet is a device used to simultaneously acquire electroencephalogram (EEG) signals and near-infrared spectral signals. EEG is a technique that obtains brain function information by measuring the neural potential characteristics of brain activity. EEG has the advantage of high temporal resolution, enabling rapid reflection of changes in brain electrical activity. Near-infrared spectroscopy (NIRS) is a non-invasive optical imaging technique that utilizes changes in the levels of oxyhemoglobin (HbO2) and deoxyhemoglobin (Hb) in local cortical areas during brain activity to obtain brain function information. Near-infrared light can penetrate the scalp and skull to reach the cerebral cortex 2-3 cm below the scalp, thereby acquiring brain function activation characteristics by detecting changes in the levels of oxyhemoglobin and deoxyhemoglobin.

[0003] Currently, when using a helmet-mounted EEG near-infrared brain functional imaging system for simultaneous data acquisition, the probe needs to be mounted on the helmet. The probe is connected to the acquisition device via a cable. During use, the probe cable is easily pulled, causing the probe to fall off the helmet and affecting the normal operation of the device. Therefore, we propose a helmet-mounted EEG near-infrared brain functional imaging system for simultaneous data acquisition. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a helmet for synchronous acquisition of EEG near-infrared brain function imaging system.

[0005] This utility model is achieved using the following technical solution: a helmet for synchronous acquisition of EEG near-infrared brain function imaging system, including a helmet body, the surface of which is provided with several through holes, the upper end of each of the several through holes is provided with a limit component, the bottom of which is provided with a fixing component, and the interior of each of the several through holes is provided with a detection probe, the surface of which is fixedly connected with a semi-circular iron plate.

[0006] The limiting component includes a limiting block, a fixing block is fixedly connected to the bottom of the limiting block, a limiting groove is formed on the inner wall of the limiting block, and a magnet is fixedly connected to the bottom of the inner wall of the limiting block.

[0007] Through the above technical solution, the helmet body is made of flexible material, which can cover the entire scalp and adapt to different head shapes and sizes, facilitating subsequent testing. When installing the detection probe, the semi-circular iron plate on the surface of the detection probe is inserted into the limiting block in a staggered manner. Then, the detection probe is rotated, causing the semi-circular iron plate to rotate inside the limiting groove. At this time, the limiting block plays a limiting role for the semi-circular iron plate, preventing the detection probe from falling off due to pulling. At the same time, the semi-circular iron plate is magnetically fixed to the magnet, further ensuring the stability of the detection probe during testing. The detection probe consists of an EEG electrode and an fNIRS probe. Both EEG electrodes and fNIRS probes are installed on the helmet. The EEG electrodes are used to detect the electrical activity of the brain, while the fNIRS probe is used to emit and receive near-infrared light.

[0008] As a further improvement to the above solution, the bottom of the fixing block is fixedly connected to the surface of the helmet body.

[0009] With the above technical solution, the fixing blocks are all installed above the through holes, and the limiting blocks also have through holes inside, so that the detection probe can penetrate the helmet body for subsequent detection.

[0010] As a further improvement to the above solution, the semi-circular iron sheet is located inside the limiting groove.

[0011] The above technical solution allows for the placement of semi-circular patches via the limiting groove.

[0012] As a further improvement to the above solution, the lower surface of the semi-circular iron sheet is magnetically attracted to the upper surface of the magnet.

[0013] With the above technical solution, when the semi-circular iron sheet is magnetically fixed to the magnet, the detection probe can still rotate, which facilitates subsequent disassembly.

[0014] As a further improvement to the above solution, the fixing component includes a first elastic band, one end of which is fixedly connected to a Velcro surface, and a second elastic band is provided at the right end of the first elastic band, with a Velcro barbed surface fixedly connected to the bottom of the second elastic band.

[0015] The above technical solution uses the hook and loop sides of the Velcro to fix the helmet body, which is simple and quick to operate. The elasticity of the first and second elastic bands can tighten the helmet body, allowing it to fit snugly against the head of the person being tested.

[0016] As a further improvement to the above solution, the top of the first elastic band is fixedly connected to the bottom of the helmet body.

[0017] As a further improvement to the above solution, the top of the second elastic band is fixedly connected to the bottom of the helmet body.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model incorporates a limiting component. Specifically, when installing a detection probe, a semi-circular iron piece on the surface of the detection probe is misaligned with a limiting block and inserted into the limiting groove. Then, the detection probe is rotated, causing the semi-circular iron piece to rotate inside the limiting groove. At this time, the limiting block limits the semi-circular iron piece, preventing the detection probe from being pulled off. Simultaneously, the semi-circular iron piece is magnetically fixed to the magnet, further ensuring the stability of the detection probe during detection.

[0020] This utility model uses a fixing component, specifically the hook and loop side of Velcro, to fix the helmet body. The operation is simple and quick. The elasticity of the first and second elastic bands can tighten the helmet body, allowing it to fit snugly against the head of the person being tested. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic cross-sectional view of the present invention.

[0023] Figure 3 This utility model Figure 2 Enlarged structural diagram of section A in the middle;

[0024] Figure 4 This is a schematic diagram of the limiting component structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the helmet body structure of this utility model;

[0026] Figure 6 This is a side view of the structure of this utility model.

[0027] Explanation of key symbols:

[0028] 1. Helmet body; 2. Through hole; 3. Limiting component; 301. Limiting block; 302. Fixing block; 303. Limiting groove; 304. Magnet; 4. Fixing component; 401. First elastic band; 402. Velcro textured surface; 403. Second elastic band; 404. Velcro barbed surface; 5. Detection probe; 6. Semi-circular iron plate. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] Example:

[0031] Please combine Figure 1-6 The present embodiment of the EEG near-infrared brain function imaging system synchronous acquisition helmet includes a helmet body 1. The surface of the helmet body 1 is provided with a plurality of through holes 2. Each of the plurality of through holes 2 is provided with a limit component 3 at the upper end. The bottom of the helmet body 1 is provided with a fixing component 4. Each of the plurality of through holes 2 is provided with a detection probe 5. A semi-circular iron plate 6 is fixedly connected to the surface of the detection probe 5.

[0032] The limiting component 3 includes a limiting block 301, a fixing block 302 is fixedly connected to the bottom of the limiting block 301, a limiting groove 303 is opened on the inner wall of the limiting block 301, and a magnet 304 is fixedly connected to the bottom of the inner wall of the limiting block 301.

[0033] The bottom of the fixing block 302 is fixedly connected to the surface of the helmet body 1. When the detection probe 5 needs to be installed, the semi-circular iron piece 6 on the surface of the detection probe 5 is inserted into the limiting block 301 in a staggered manner. Then, the detection probe 5 is rotated, which drives the semi-circular iron piece 6 to rotate inside the limiting groove 303. At this time, the limiting block 301 limits the semi-circular iron piece 6 to prevent the detection probe 5 from falling off due to pulling. At the same time, the semi-circular iron piece 6 is magnetically fixed to the magnet 304, which further ensures the stability of the detection probe 5 during detection. When the detection probe 5 needs to be removed, the detection probe 5 is rotated, causing the semi-circular iron piece 6 to rotate inside the limiting block 301. When it rotates to the notch position of the limiting block 301, the detection probe 5 can be lifted upwards for quick removal. The operation is simple and quick, making it convenient for quick installation and removal during use.

[0034] The semi-circular iron piece 6 is located inside the limiting groove 303, through which the semi-circular iron piece 6 can be placed.

[0035] The lower surface of the semi-circular iron sheet 6 is magnetically attracted to the upper surface of the magnet 304.

[0036] The fixing component 4 includes a first elastic band 401, one end of which is fixedly connected to a Velcro loop 402, and a second elastic band 403 is provided at the right end of the first elastic band 401. The bottom of the second elastic band 403 is fixedly connected to a Velcro barbed surface 404. The helmet body 1 is placed on the head of the test subject and fixed by the Velcro loop 402 and the Velcro barbed surface 404. The operation is simple and quick.

[0037] The top of the first elastic band 401 is fixedly connected to the bottom of the helmet body 1. Through the elastic action of the first elastic band 401 and the second elastic band 403, the helmet body 1 can be tightened so that the helmet body 1 can fit against the head of the object being tested.

[0038] The top of the second elastic band 403 is fixedly connected to the bottom of the helmet body 1.

[0039] The implementation principle of the synchronous acquisition helmet of the EEG near-infrared brain function imaging system in this embodiment is as follows: When the detection probe 5 needs to be installed, the semi-circular iron piece 6 on the surface of the detection probe 5 is misaligned with the limiting block 301 and placed in it. Then, the detection probe 5 is rotated, causing the semi-circular iron piece 6 to rotate inside the limiting groove 303. At this time, the limiting block 301 limits the semi-circular iron piece 6, preventing the detection probe 5 from being pulled off. At the same time, the semi-circular iron piece 6 is magnetically fixed to the magnet 304, further ensuring the stability of the detection probe 5 during detection. When it is necessary to disassemble the detection probe 5... When testing probe 5, rotating probe 5 causes the semi-circular iron piece 6 to rotate inside the limiting block 301. When it rotates to the notch position of the limiting block 301, probe 5 can be lifted upwards for quick disassembly. The operation is simple and quick, facilitating quick installation and disassembly during use. The helmet body 1 is placed on the head of the test subject and fixed by the Velcro loop side 402 and Velcro barbed side 404. The operation is simple and quick. Through the elastic action of the first elastic band 401 and the second elastic band 403, the helmet body 1 can be tightened so that the helmet body 1 can fit snugly against the head of the test subject.

[0040] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A helmet for synchronous acquisition of EEG and near-infrared brain functional imaging systems, characterized in that, The helmet body (1) includes a helmet body (1) with several through holes (2) on its surface. Each of the several through holes (2) has a limit component (3) at its upper end. The helmet body (1) has a fixing component (4) at its bottom. Each of the several through holes (2) has a detection probe (5) inside its interior. A semi-circular iron plate (6) is fixedly connected to the surface of the detection probe (5). The limiting component (3) includes a limiting block (301), a fixing block (302) is fixedly connected to the bottom of the limiting block (301), a limiting groove (303) is opened on the inner wall of the limiting block (301), and a magnet (304) is fixedly connected to the bottom of the inner wall of the limiting block (301).

2. The helmet for synchronous acquisition of EEG near-infrared brain functional imaging system as described in claim 1, characterized in that: The bottom of the fixing block (302) is fixedly connected to the surface of the helmet body (1).

3. The helmet for synchronous acquisition of EEG and near-infrared brain functional imaging system as described in claim 1, characterized in that: The semi-circular iron sheet (6) is located inside the limiting groove (303).

4. The helmet for synchronous acquisition of EEG near-infrared brain functional imaging system as described in claim 1, characterized in that: The lower surface of the semi-circular iron sheet (6) is magnetically attracted to the upper surface of the magnet (304).

5. The helmet for synchronous acquisition of EEG near-infrared brain functional imaging system as described in claim 1, characterized in that: The fixing component (4) includes a first elastic band (401), one end of which is fixedly connected to a hook and loop fastener (402), and a second elastic band (403) is provided at the right end of the first elastic band (401), and a hook and loop fastener (404) is fixedly connected to the bottom of the second elastic band (403).

6. The helmet for synchronous acquisition of EEG and near-infrared brain functional imaging system as described in claim 5, characterized in that: The top of the first elastic band (401) is fixedly connected to the bottom of the helmet body (1).

7. The helmet for synchronous acquisition of EEG near-infrared brain functional imaging system as described in claim 5, characterized in that: The top of the second elastic band (403) is fixedly connected to the bottom of the helmet body (1).

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