WO2022173087A1 - 뇌파측정장치 - Google Patents
뇌파측정장치 Download PDFInfo
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- WO2022173087A1 WO2022173087A1 PCT/KR2021/015418 KR2021015418W WO2022173087A1 WO 2022173087 A1 WO2022173087 A1 WO 2022173087A1 KR 2021015418 W KR2021015418 W KR 2021015418W WO 2022173087 A1 WO2022173087 A1 WO 2022173087A1
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- housing
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- measuring device
- head
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Definitions
- the present invention relates to an EEG measuring device. More specifically, it relates to an EEG measuring device that can be adjusted in size to fit the head of a variety of subjects and can be closely attached to the subject's head.
- EEG electroencephalogram
- MEG magnetoencephalography
- fMRI functional magnetic resonance imaging
- the double electroencephalogram is an electrical signal that measures the current flow in a living body caused by the synchronized activity of nerve cells occurring on the surface of the brain cortex using electrodes attached to the scalp. Through this analysis of EEG, activity information of cranial nerve cells can be measured non-invasively.
- brain function research using EEG has various advantages such as a simple measurement method, the least environmental constraints, an inexpensive system configuration, and excellent temporal resolution. And it is being used as the most basic research tool in engineering research.
- the 10-20 system As much as EEG is used in various research fields, a standard measurement method is designated, and it is called the 10-20 system. A minimum of 19 electrode channels is required for reliable EEG recording, and it is recommended to use a larger number of channels if possible. In the montage of the 10-20 system, the positions of the aforementioned 19 electrodes are assigned based on the regions of the cerebral cortex.
- Dry EEG measurement uses a method to increase conductivity by coating a conductive polymer. Unlike wet electrodes, there is a high possibility of non-adhesion between the scalp and the electrodes, so it is common to use a brush-type electrode to improve this.
- An embodiment of the present invention aims to provide an EEG measuring device capable of efficiently measuring EEG regardless of individual head and head size differences.
- An embodiment of the present invention aims to provide an EEG measuring device whose size can be changed according to differences in individual head and head sizes.
- One embodiment of the present invention aims to provide an EEG measuring device that can be variously changed in size, particularly on the forehead and the back of the head of the subject.
- An embodiment of the present invention aims to provide an EEG measuring device that records reliable EEG even if the size of the device is changed according to the head.
- An embodiment of the present invention aims to provide an EEG measuring device that is in close contact with the head of a subject even though the size of the device is changed according to the head.
- a body part mounted on the head of the subject, a sensing part provided in the body part to detect an electrical signal generated in the head, and supplying power to the sensing part,
- the body portion includes a side portion including a first side frame and a second side frame spaced apart from the first side frame, and a bridge portion connecting the first side frame and the second side frame, wherein the adjusting unit is the bridge may be provided in the department.
- the control unit includes a control housing and a symmetrical movement unit provided inside the control housing to move the bridge unit closer to or farther away from the control housing, wherein the bridge unit includes one side of the control housing and the first It may include a connection frame that connects any one of the side frame and the second side frame and connects the other side of the control housing with the other side of the first side frame and the second side frame.
- the symmetrical moving part may include a first connecting leg gear connecting one side of the control housing and the connecting frame, and a second connecting leg gear connecting the other side of the adjusting housing and the connecting frame but spaced apart from the first connecting leg gear. and a connecting pinion gear provided to mesh with each of the first connecting leg gear and the second connecting leg gear, wherein when the connecting pinion gear rotates in a forward direction, the first connecting leg gear and the second connecting leg gear are moved closer to each other, and when the connecting pinion gear rotates in the reverse direction, the first connecting leg gear and the second connecting leg gear may be moved away from each other.
- the symmetrical moving part may further include an adjustment elastic member coupled to the connecting pinion gear to provide a restoring force to the connecting pinion gear when the connecting pinion gear rotates in the reverse direction to rotate the connecting pinion gear in the forward direction.
- the control unit further includes a stopper for limiting rotation of the connection pinion gear, wherein the stopper includes a stopping member provided at an end of the connection frame and a protrusion provided inside the control housing and provided to come into contact with the stopping member. a member, wherein the protruding member is provided farther to the connecting pinion gear than a first protruding member for limiting the forward rotation of the connecting pinion gear and the first protruding member to limit the reverse rotation of the connecting pinion gear It may include a second protruding member.
- the control housing includes a 1-1 control housing and a 1-2 control housing that are spaced apart from each other, and the bridge part is a first movable housing provided between the 1-1 control housing and the 1-2 control housing. It further includes a housing, wherein the connection frame comprises: a 1-1 connection frame connecting any one of the first side frame and the second side frame with the 1-1 adjustment housing; and the 1-1 adjustment housing and the 1-2 control housing, but a 1-2 connection frame passing through the first movable housing, and the 1-2 control housing, and the other one of the first side frame and the second side frame are connected It may include a first 1-3 connection frame.
- the control housing includes a 2-1 control housing, a 2-2 control housing, and a 2-3 control housing that are spaced apart from each other, and the bridge unit includes the 2-1 control housing and the 2-2 control housing.
- a 2-1 moving housing provided between A 2-1 connection frame connecting any one of the side frame and the second side frame to the 2-1 adjustment housing, and connecting the 2-1 adjustment housing and the 2-2 adjustment housing, but the second -1 A 2-2 connection frame passing through the movable housing, a 2-3 connection frame connecting the 2-2 adjustment housing and the 2-3 adjustment housing but passing through the 2-2 movable housing, and the It may include a 2-3th control housing and a 2-4th connection frame for connecting the other one of the first side frame and the second side frame.
- the sensing unit includes a sensing housing having one side coupled to the inner circumferential surface of the body portion and having an opening formed on the other side, an electrode coupled inside the sensing housing and protruding through the opening, and one side of the sensing housing and the electrode provided between the electrode It may include an elastic member for providing an elastic force.
- the sensing unit may further include a vibrating unit provided between the electrode and the elastic member to vibrate, and an LED provided inside the electrode to emit infrared rays.
- an EEG measuring device having a large range of size change in the forehead and the back of the head of the subject.
- an EEG measuring device that reliably measures EEG even if the size of the device is changed according to the head.
- FIG. 1 is a view showing a case in which the size of the EEG measuring device according to an embodiment of the present invention is minimal;
- Figure 2 is a view showing a case in which the size of the EEG measuring device according to an embodiment of the present invention is maximum;
- FIG. 3 is a view showing a sensing unit according to an embodiment of the present invention.
- FIG. 4 is a conceptual diagram of a control unit according to an embodiment of the present invention.
- FIG. 5 is a view showing a control unit when the size of the EEG measuring device according to an embodiment of the present invention is the minimum;
- FIG. 6 is a view showing a control unit when the size of the EEG measuring device according to an embodiment of the present invention is maximum;
- FIG. 7 is a view showing an adjustable elastic part according to an embodiment of the present invention.
- FIG. 8 is a view showing a first type of bridge unit according to an embodiment of the present invention.
- FIG. 9 is a view illustrating a second type of bridge unit according to an embodiment of the present invention.
- Figure 1 (a) is a view showing the EEG measuring device 10 with the smallest size from the front
- Figure 1 (b) is a view showing the EEG measuring device 10 with the smallest size from below
- Figure 1 (c) is a view showing a state when the size of the side portion is the minimum.
- Figure 2 (a) is a view showing the EEG measuring device 10 of the largest size from the front
- Figure 2 (b) is a view showing the EEG measuring device 10 of the largest size from below
- Figure 2 (c) is a view showing a state when the size of the side portion is the largest.
- the EEG measuring device 10 includes a body part 100 mounted on the head of a subject, and a sensing unit 200 provided on the body part 100 to sense an electrical signal generated from the head of the subject. ), which is provided in the control unit 300 and the body unit 100 for supplying power to the sensing unit 200 and converting the electrical signal detected by the sensing unit 200 into an EEG signal to adjust the size of the body unit 100 and a control unit 400 that
- the adjusting unit 400 may provide a restoring force to the body unit 100 to turn it before the size of the body unit 100 increases, which is shown in FIG. 7 . It will be described later in detail.
- An increase in the size of the body part 100 may mean that a distance between a plurality of components constituting the body part is increased.
- the increase in the size of the body part 100 may mean a state in which a component connected to the adjustment unit 400 among components constituting the body part moves away from the adjustment unit 400 relative to the adjustment unit 400 . have.
- the body part 100 may be provided in a shape to be mounted on the subject's head, and may be provided to surround at least a portion of the subject's head.
- the body portion 100 includes a side portion 110 including a first side frame 111 and a second side frame 113 spaced apart from the first side frame 111 , a first side frame 111 ). and a bridge part 120 connecting the second side frame 113 and the second side frame 113 .
- the side part 110 can form a stability when the body part 100 is mounted on the head of the subject by fixing the bridge part 120 from both sides.
- a plurality of bridge units 120 may be provided to be spaced apart from each other in the front-rear direction.
- the bridge part 120 is a first bridge part 120a, a second bridge part 120b, a third bridge part 120c, a fourth bridge part 120d, and a fifth spaced apart from each other from the front to the rear, respectively. It may include a bridge part 120e.
- the bridge unit 120 may be formed in a single piece or may be provided in six or more, but it is preferably provided in five under the 10-20 system described above.
- the side part 110 may include a branch part for supporting the plurality of bridge parts 120 at both ends.
- the first side frame 111 may include a first side body 1111 and a first branch portion 1113 branched in plurality from the first side body 1111 .
- the first branch portion 1113 is provided in plurality ( 1113a to 1113e ), and may be spaced apart from each other and coupled to a plurality of first control housings 410 , which will be described later.
- the second side frame 113 may include a second side body 1131 and a second branch portion 1133 that is branched in plurality from the second side body 1131 .
- the second branch part 1133 is provided in plurality (1133a to 1133e), and may be spaced apart from each other and coupled to a plurality of first control housings 410 to be described later.
- first branch part 1113 may be coupled to one end of the bridge part 120
- second branch part 1133 may be coupled to the other end of the bridge part 120 .
- the adjusting unit 400 may be provided on the bridge unit 120 to adjust the size of the bridge unit 120 .
- each of the plurality of bridge units 120 may be provided with a plurality of frames or housings.
- the adjusting unit 400 may be provided between the plurality of frames or housings to move the frame or housing away from or closer to the adjusting unit 400 based on the adjusting unit 400 .
- the plurality of frames or housings may be referred to as bridge frames or bridge housings, respectively.
- the bridge housing may be of a plurality of types.
- At least one adjustment unit 400 is provided in each of the plurality of bridge units 120 to elastically adjust the size of the body unit 100 .
- the sensing unit 200 may be defined as a configuration for sensing an electrical signal generated in a portion of the subject's head. In this case, it is preferable that the sensing unit 200 is provided in plurality. As described above, in the case of the 10-20 system, at least 19 electrode channels are required, and the more the sensing unit 200 is, the more reliable EEG can be measured.
- each sensing unit 200 may be the same.
- the sensing unit 200 according to an embodiment of the present invention will be described with reference to FIG. 3 .
- FIG. 3A is a cross-sectional view of the sensing unit 200 according to an embodiment of the present invention
- FIG. 3B is a view showing the vibrating unit 240 according to an embodiment of the present invention.
- the sensing unit 200 includes a sensor housing 210 and an electrode unit 220 provided inside the sensor housing 210 to be in contact with the subject's head.
- the sensor housing 210 may be provided on an inner circumferential surface of the body portion 100 .
- the inner peripheral surface of the body part 100 may be defined as a surface facing the head of the subject.
- the sensor housing 210 may be provided on at least one of the side part 110 and the bridge part 120 .
- the sensor housing 210 may be provided on each of the first side frame 111 and the second side frame 113 , and may be provided on the inner circumferential surface of the bridge unit 120 .
- the sensing unit 200 is provided in plurality, the sensor housing 210 may also be provided in the adjusting unit 400 .
- One side of the sensor housing 210 is provided on the inner circumferential surface of the body part 100 or the adjustment part 400 , and an opening 211 is formed on the other side.
- the electrode part 220 is provided inside the sensor housing 210 , and may protrude to the outside of the sensor housing 210 through the opening 211 . In other words, a portion of the electrode unit 220 may be located inside the sensor housing 210 , and the remainder of the electrode unit 220 may be located outside the sensor housing 210 .
- the electrode part 220 includes an electrode housing 221 provided inside the sensor housing 210, an electrode provided in the electrode housing 221 and exposed to the outside of the sensor housing 210 through the opening 211. 223) may be included.
- the electrode housing 221 includes a disc frame 2211 spaced apart from the electrode 223 , a first protrusion 2213 protruding from the disc frame 2211 and coupled to the electrode 223 , and the disc frame 2211 .
- ) may include a second protrusion 2215 protruding in a direction away from the electrode 223 .
- the electrode 223 is in contact with the subject's head to sense an electrical signal generated from the subject's head, and may be provided in plurality. When the plurality of electrodes 223 are provided, the plurality of electrodes may be provided to surround the first protrusion 2213 .
- the electrode 223 may be provided as a single piece and may be provided in a cylindrical shape in which the head and the contact surface of the subject are flat.
- silver (Ag) or silver chloride (Agcl) may be coated on the electrode 223 regardless of the shape of the electrode 223 .
- the sensing unit 200 may sense an electrical signal generated from the subject's head, and the sensed electrical signal may be transmitted to the control unit 300 .
- the sensing unit 200 may further include a PCB 250 that transmits the electrical signal sensed by the electrode unit 220 to the control unit 300 or directly converts it into an EEG signal.
- the PCB 250 may supply power to the electrode part 220 .
- the body part 100 may not be in close contact with the subject's head or may be difficult to maintain due to the subject's hair.
- the sensing unit 200 is provided inside the sensing housing 210 to provide an elastic member 230 for providing elastic force to the electrode unit 220 , and is provided inside the sensing housing 210 to provide the electrode unit 220 . It may further include at least one of the vibrating unit 240 to provide vibration to the.
- the elastic member 230 may be provided between one side of the sensing housing 210 and the electrode part 220 to provide an elastic force to the electrode part 220 .
- one end of the elastic member 230 may be provided on the disk frame 2211 , and the other end may be provided on one side of the sensing housing 210 .
- the elastic member 230 may be provided to surround the second protrusion 2215 .
- the elastic member 230 is not limited as long as it has a shape capable of providing an elastic force.
- the elastic member 230 may be provided as a coil-spring.
- the electrode unit 220 when the electrode unit 220 is in contact with the subject's head, resistance felt by the subject may be reduced.
- the body portion 100 can be expected to continuously adhere to the head of the examinee.
- the vibrating unit 240 includes a vibrating frame 241, a vibrating member 243 disposed on one side of the vibrating frame 241, and a vibrating power supply unit 245 for supplying power to the vibrating member 243.
- a vibrating frame 241 for supplying power to the vibrating member 243.
- a vibrating power supply unit 245 for supplying power to the vibrating member 243.
- the vibration power supply unit 245 may receive power from the PCB 250 or the control unit 300 and transmit it to the vibration member 243 .
- the vibrating unit 240 is provided adjacent to the electrode unit 220 to transmit vibration to the electrode unit 220 . More preferably, the vibrating unit 240 may be provided between the elastic member 230 and the electrode 223 . This is because the change in the position of the electrode part 220 by the elastic member 230 is greater than the change in the position of the electrode part 220 by the vibrating part 240 .
- the elastic member 230 may primarily adhere the body part 100 to the subject's head, and the vibrating unit 240 may It is possible to minimize the intermittent separation of the subject's head and the body part 100 .
- the sensing unit 200 may further include an LED 260 provided on the electrode unit 220 to emit infrared (preferably near-infrared).
- the LED 260 may be provided to be surrounded by a plurality of electrodes 223 .
- controller 300 according to an embodiment of the present invention will be described with reference to FIG. 4 .
- FIG. 4 is a conceptual diagram of a control unit 300 according to an embodiment of the present invention.
- the control unit 300 may be provided as a separate configuration, and may be provided on the PCB 250 .
- the PCB 250 may be equipped with a function of the control unit 300 to be described later, but the PCB 250 and the control unit 300 may be separated from each other to exchange information.
- the PCB 250 receives an electrical signal from the electrode unit 220 and filters or amplifies it, and converts the information processed by the amplifying/filtering unit 251 and the amplifying/filtering unit 251 into digital information. It may include an analog-digital converter (ADC) 253 and a signal output unit 255 for transmitting digital information converted by the ADC 253 to the controller 300 .
- ADC analog-digital converter
- the control unit 300 receives information from the signal output unit 255 and converts it into an EEG signal by a stored algorithm (MCU, 310), and receives the EEG signal from the microprocessor 310 to an external device ( It may include a wireless communication unit 320 for transmitting to a mobile device, etc.) and a power supply unit 330 for supplying power to the PCB 250 and the microprocessor 310 .
- a stored algorithm MCU, 310
- the control unit 300 receives information from the signal output unit 255 and converts it into an EEG signal by a stored algorithm (MCU, 310), and receives the EEG signal from the microprocessor 310 to an external device ( It may include a wireless communication unit 320 for transmitting to a mobile device, etc.) and a power supply unit 330 for supplying power to the PCB 250 and the microprocessor 310 .
- the amplification/filter unit 251 , the ADC 253 , and the signal output unit 255 may all be provided in the control unit 300 .
- the electrical signal generated in the subject's head may be converted into an EEG signal and provided to an external device, and the user may check EEG information of the subject through the external device.
- the size of the subject's head varies.
- the size of the body part 100 is constant, it is difficult to be mounted on the head of a specific subject, or it is difficult to trust the measured EEG signal.
- Figure 5 (a) is a view showing the control unit viewed from the top when the size of the EEG measuring device according to an embodiment of the present invention is the minimum
- Figure 5 (b) is the adjustment when the size of the EEG measuring device is the minimum It is a cross-section of wealth.
- Figure 6 (a) is a view showing a view from the top of the control unit when the size of the EEG measuring device according to an embodiment of the present invention is maximum
- Figure 6 (b) is when the size of the EEG measuring device is the minimum
- Figure 7 (a) is a view showing a state in which the adjustment elastic unit is provided in the adjustment unit according to an embodiment of the present invention
- Figure 7 (b) is a view showing the adjustment elastic portion.
- the control unit 400 is provided in the control housing 410 and the control housing 410 to move the bridge unit 120 closer to or farther from the control housing 410 based on the control housing 410 . It may include a symmetrical movement unit 420 .
- the control housing 410 is a configuration formed in the bridge housing, and in some cases, the control housing 410 and the bridge housing may be defined as the same configuration.
- the bridge part 120 may further include a connection frame 130 for connecting the adjustment housing 410 to the side part 110 .
- connection frame 130 connects the inner side of the control housing 410 and any one of the first side frame 111 and the second side frame 113 , and the inner side and the first side surface of the control housing 410 .
- the other one of the frame 111 and the second side frame 113 may be connected.
- the connection frame 130 may connect one side and the side part 110 of the control housing 410 and connect the other side and the side part 110 of the control housing 410 .
- connection frame 130 may not be provided as a single frame, but may be provided as a plurality of frames.
- the connecting frame 130 may be provided with a material having elasticity, and may have an elastic force enough to slightly twist the connecting frame 130 according to the head and size of the user.
- connection frame 130 A space in which the connection frame 130 can move may be formed inside the control housing 410 .
- the connection frame 130 may be movable inside the control housing 410 at each of both sides of the control housing 410 . Accordingly, the control housing 410 may be provided inside the connection guide 413 for guiding the movement of the connection frame 130 may be formed.
- the symmetrical moving part 420 connects the first connecting leg gear 421 connecting one side of the adjusting housing 410 and the connecting frame 130 to the other side of the adjusting housing 410 and the connecting frame 130, but the A second connecting leg gear 423 spaced apart from the first connecting leg gear 421 and a connecting pinion gear provided to mesh with each of the first connecting leg gear 421 and the second connecting leg gear 423 ( 425) may be included.
- the first connecting leg gear 421 may connect any one of the frames constituting the connecting frame 130 and the inside of the adjusting housing 410
- the second connecting leg gear 423 may connect the connecting frame 130
- the inside of the control housing 410 may be connected to the other one of the frames forming.
- connection frames 130 located on both sides of the adjustment housing 410 can move in a direction closer to each other, and the connection pinion gear 425 is the second When rotating in the direction R2, the connection frames 130 located on both sides of the adjustment housing 410 may move in a direction away from each other.
- first direction R1 may be defined as a forward or clockwise direction
- second direction R2 may be defined as a reverse or counterclockwise direction.
- the connecting pinion gear 425 rotates in the forward direction
- the first connecting leg gear 421 and the second connecting leg gear 423 are moved to approach each other
- the connecting pinion gear 425 rotates in the reverse direction
- the first The connecting leg gear 421 and the second connecting leg gear 423 may move apart from each other.
- the adjusting unit 400 may further include a stopper 430 for limiting the rotation of the connecting pinion gear 425 .
- the stopper 430 may include a protrusion member 433 provided to be in contact with the first connecting leg gear 421 and the second connecting leg gear 423 .
- the protrusion member 433 includes a surface (a first surface) of the first connecting leg gear 421 facing the second connecting leg gear 423 and a second connecting leg gear 423 of the first connecting leg gear 421 . ) and the other surface (second surface) of the first protruding member 4331 and the first connecting leg gear 421 and the second connecting leg gear 423 provided to be in contact with the surface (the first surface), respectively. ) and a second protrusion member 4333 provided to be in contact with another surface (second surface), respectively.
- the first protruding member 4331 is configured to limit the maximum moving distance in the direction in which the moving housings 140 at both ends approach the adjusting unit 400 by the rotation of the connecting pinion gear 425, and the second protrusion
- the member 4333 is configured to limit the maximum movement distance in the direction away from the moving housing 140 at both ends with respect to the adjusting unit 400 by rotation of the connecting pinion gear 425 in the opposite direction.
- One or two or more movable housings 140 may be provided for each bridge according to the type of bridge.
- the first protruding member 4331 may limit the forward rotation of the connecting pinion gear 425
- the second protruding member 4333 may restrict the reverse rotation of the connecting pinion gear 425 .
- the first protruding member 4331 may be provided inside the control housing 410 to be adjacent to the connection pinion gear 425 .
- a plurality of first protruding members 4331 may be provided to be in contact with the first connecting leg gear 421 or in contact with the second connecting leg gear 423 .
- the second protruding member 4331 is provided inside the control housing 410 , and may be located farther from the connecting pinion gear 425 than the first protruding member 4331 .
- the second protrusion member 4331 may be a part of the adjustment housing 410 .
- openings 411 through which the connection frame 130 can move may be formed on both sides of the control housing 410 .
- the second protruding member 4331 may be in contact with a portion of both sides of the control housing 410 , excluding the opening 411 .
- the symmetrical movement unit 420 may change the size of the bridge unit 120 , and may ultimately change the size of the body unit 100 . Therefore, even if the size of the subject's head varies, the body part 100 may be mounted on the subject's head by the symmetrical movement unit 420 .
- the sensing unit 200 may include a configuration (eg, an elastic member or a vibrating unit) for close contact. It is a composition that adheres to the head of
- the symmetrical moving part 420 may further include an adjustable elastic member 427 coupled to the connection pinion gear 425 to bring the body part 100 into close contact with the subject's head.
- the elastic adjustment member 427 is configured to provide a restoring force (restoring force) to the body portion (100).
- the adjustable elastic member 427 may be defined as a configuration that returns the size of the body portion 100 back to before the size is changed when the body portion 100 becomes larger than a predetermined size.
- the adjustable elastic member 427 may be provided as a spiral spring or a flat spring.
- the adjustable elastic member 427 is provided as a spring spring, there is no significant limitation in shape as long as it is a means capable of providing a restoring force.
- the adjustment elastic member 427 may be coupled to the connection pinion gear 425 to provide a restoring force to the connection pinion gear 425 .
- the connecting pinion gear 425 includes a pinion housing 4253, a gear portion 4251 coupled to one side of the pinion housing 4253 and meshing with the connecting rack gears 421 and 423, the pinion housing ( It may include a fastening part 4255 coupled to the other side of 4253 and coupled to the adjustable elastic member 427 .
- the fastening part 4255 may be configured to form a rotation shaft of the gear part 4251 and to provide displacement to the adjustable elastic member 427 .
- the fastening part 4255 which is the rotation shaft of the connecting pinion gear 425 , is coupled with the connecting pinion gear 425 .
- the rotated fastening part 4255 rotates the elastic adjustment member 427, and the rotated adjustment elastic member 427 may provide a restoring force.
- the elastic adjustment member 427 may include a fixing part 4271 fixed to the adjustment housing 410 . As the fixing part 4271 is fixed to the adjustment housing 410 , the elastic adjustment member 427 may provide a restoring force to the connection pinion gear 425 .
- the elastic adjustment member 427 may provide a restoring force to the connecting pinion gear 425 to rotate the connecting pinion gear 425 in the forward direction.
- the adjusting unit 400 may provide restoring force to the body part 100 so that the body part 100 is in close contact with the subject's head.
- the position of each of the plurality of sensing parts 200 may be important. This is because the change in the size of the body part 100 causes a change in the position of the sensing unit 200 , and the change in the position of the sensing unit 200 may reduce the reliability of the EEG signal.
- an embodiment of the present invention may classify the bridge unit 120 into two types and arrange the sensing units 200 respectively.
- FIG. 8 is a view illustrating a first type of bridge unit according to an embodiment of the present invention
- FIG. 9 is a view showing a second type of bridge unit according to an embodiment of the present invention.
- the control housing may be interpreted as a part of the bridge housing or described as the same concept as the bridge housing.
- the first type of bridge unit 121 may include two control housings 410 and three connection frames 130 .
- Each of the first type of bridge unit 121 and the second type of bridge unit 123 may include a movable housing 140 .
- the movable housing 140 is configured to be movable based on the control housing 410 , and the sensing unit 200 may be coupled thereto.
- connection frame 130 is fixed to the movable housing 140 and can move together.
- the adjustment unit 400 can move the connection frames 130 disposed on both sides based on the adjustment housing 410, and the movable housing 140 is fixed to the connection frame 130 to the connection frame ( 130) and can move at the same time.
- the sensing unit 200 coupled to the moving housing 140 may move away from or closer to the control housing 410 .
- the adjustment housing 410 may include a 1-1 adjustment housing 410a and a 1-2 adjustment housing 410b spaced apart from the 1-1 adjustment housing 410a.
- the bridge unit 120 may include a first movable housing 140a provided between the 1-1 adjustment housing 140a and the 1-2 adjustment housing 140b.
- connection frame 130 is a 1-1 connection frame 130a connecting any one of the first side frame 111 and the second side frame 113 and the 1-1 adjustment housing 410a.
- a 1-2 connection frame 130b that connects the 1-1 adjustment housing 140a and the 1-2 adjustment housing 140b but passes through the first movable housing 140a, and the 1- It may include a second control housing (140b) and a 1-3 connection frame (130c) for connecting the other one of the first side frame 111 and the second side frame (113).
- the first type of bridge part 121 includes the 1-1 adjustment housing 410a, the 1-2 adjustment housing 410b, the first movable housing 140a, and the 1-1 connection frame ( 130a), the 1-2 connection frame 130b and the 1-3 connection frame 130c may be included.
- the second type of the control housing 410 shown in FIG. 9 is a 2-1 control housing (410c), a 2-2 control housing (410d) and a 2-3 control housing (410d) which are spaced apart from each other. 410e).
- the bridge unit 130 includes a 2-1 moving housing 140b, a 2-2 adjusting housing ( 410d) and the second-second movable housing 140c provided between the second-third control housing 410e.
- connection frame 130 is a 2-1 connection frame (130d) connecting any one of the first side frame 111 and the second side frame 113 and the 2-1 adjustment housing 410c, A 2-2 connection frame 130e that connects the 2-1 adjustment housing 410c and the 2-2 adjustment housing 410d, but passes through the 2-1 movable housing 140b, and the second -Connecting the second adjusting housing (410d) and the second adjusting housing (410e) to the second 2-3 connecting frame (130f) passing through the second moving housing (140c), the second adjusting housing (410e) A housing 410e and a 2-4th connection frame 130g connecting the other one of the first side frame 111 and the second side frame 113 may be included.
- the second type of the bridge part 123 includes the 2-1 adjustment housing 410c, the 2-2 adjustment housing 410d, the 2-3 adjustment housing 410e, and the 2-1 movement.
- the housing 140b, the 2-2 moving housing 140c, the 2-1 connection frame 130d, the 2-2 connection frame 130e, the 2-3 connection frame 130f, and the It may include a 2-4 connection frame (130g).
- the reason why the bridge part 120 is classified into the first type 121 and the second type 123 is that the body part 100 is more smoothly mounted on the head of the subject. Accordingly, when five bridge parts are provided, it is preferable that some of the five bridge parts are provided as the first type 121 , and the rest are provided as the second type 123 .
- the first bridge part 120a and the fifth bridge part 120e are provided in the second type 123
- the second bridge part to the fourth bridge part 120b to 120d are the first type 121 . It is preferable to be provided with This is due to the fact that parts of the subject's head, in particular, vary in size, in the forehead and the back of the head. In this case, first, the second bridge part to the fourth bridge part 120b to 120d are mounted on the subject's head, and then the first bridge part 120a and the fifth bridge part 120e are adjusted to be in close contact with the subject's head. can do it
- the sensing unit 200 provided in each of the side part 110 , the control housing 410 and the moving housing 140 may measure a reliable EEG signal from the subject's head.
- the sensing unit 200 provided in the moving housing 140 is preferably located in the center of one surface facing the head of the subject among the surfaces forming the first moving housing 140a. do.
- the 1-1 adjustment housing 410a and the 1-2 adjustment housing 410b respectively located on both sides based on the first moving housing 140a are provided in the same shape, respectively, and the first moving housing 140a It is preferable to be symmetrical with respect to the reference.
- the sensing part 200 provided in the 2-2 adjustment housing 410d is one surface facing the head of the subject among the surfaces forming the 2-2 adjustment housing 410d. It is preferably located in the center.
- the 2-1 moving housing 140b and the 2-2 moving housing 140c have the same shape and are symmetrical with respect to the 2-2 adjustment housing 140d.
- the 2-1 th adjustment housing 410c and the 2-3 th adjustment housing 410e are provided in the same shape and are preferably symmetrical with respect to the 2-2 adjustment housing 410d.
- the sensing unit 200 provided in the 2-1 moving housing 140b is provided in the sensing unit 200 provided in the 2-2 moving sensing unit 140c and the 2-2 adjusting housing 410d. It is preferable to be symmetrical with respect to the sensing unit 200 . Accordingly, the distances D1 and D2 between the sensing unit 200 provided in the 2-2 adjustment housing 410 and the sensing unit 200 provided in the 2-1 moving housing 140b are 2-2 The distances D1 and D2 between the sensing unit 200 provided in the control housing 410 and the sensing unit 200 provided in the 2-2 moving housing 140c may be formed to be the same.
- the 2-1 moving housing (140b) may be provided with a first extension extending from one surface facing the subject's head toward the 2-2 adjustment housing (410d), the first extension has a sensing unit (200) may be combined.
- the 2-2 housing (140c) may be provided with a second extension portion extending toward the 2-2 adjustment housing (140d) from one surface facing the subject's head, the second extension portion has a sensing
- the unit 200 may be coupled.
- the 2-2 adjustment housing 410d may have a recess 415 concavely formed to accommodate the first extension part and the second extension part on one surface facing the subject's head.
- the present invention can be utilized in the field of measuring EEG in contact with a user's body, and providing various prediction information based thereon.
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (10)
- 피검자의 머리에 장착되는 바디부;상기 바디부에 구비되어 머리에서 발생하는 전기적 신호를 감지하는 센싱부;상기 센싱부에 전원을 공급하며, 상기 센싱부에서 감지된 전기적 신호를 뇌파 신호로 변환하는 제어부; 및상기 바디부에 구비되어 상기 바디부의 크기를 조절하는 조절부;를 포함하며,상기 조절부는 상기 바디부에 복원력을 제공하는 것을 특징으로 하는 뇌파측정장치.
- 제1항에 있어서,상기 바디부는,제1측면프레임 및 상기 제1측면프레임과 이격되는 제2측면프레임을 포함하는 측면부; 및상기 제1측면프레임과 상기 제2측면프레임을 연결하는 복수의 브릿지부;를 포함하며,각각의 상기 브릿지부는,복수 개의 브릿지하우징;상기 브릿지하우징와 연결되되 상기 브릿지하우징에 대하여 이동 가능하게 구비되는 하나 이상의 이동하우징; 및,상기 브릿지하우징과 상기 측면부를 연결하거나 상기 브릿지하우징과 상기 이동하우징을 연결하는 연결프레임;을 포함하며,상기 조절부는 상기 복수 개의 브릿지하우징에 형성되는 것을 특징으로 하는 뇌파측정장치.
- 제2항에 있어서,상기 조절부는,상기 브릿지하우징에 구비되는 조절하우징; 및상기 조절하우징의 내부에 구비되며 상기 조절하우징에 양단에 연결된 각각의 상기 연결프레임을 이동시키는 대칭이동부;를 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제3항에 있어서,상기 대칭이동부는,상기 조절하우징의 일측과 상기 연결프레임을 연결하는 제1연결렉기어;상기 조절하우징의 타측과 또 다른 상기 연결프레임을 연결하되 상기 제1연결렉기어와 이격되는 제2연결렉기어; 및상기 제1연결렉기어 및 상기 제2연결렉기어의 각각에 맞물리도록 구비되는 연결피니언기어;를 포함하며,상기 제1연결렉기어 및 상기 제2연결렉기어는 서로 마주보는 것을 특징으로 하는 뇌파측정장치.
- 제4항에 있어서,상기 대칭이동부는, 상기 연결피니언기어에 결합되며 상기 연결피니언기어의 일방향 회전 시 상기 연결피니언기어에 대하여 반대 방향 복원력을 제공하는 조절탄성부재를 더 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제4항에 있어서,상기 조절부는 상기 연결피니언기어의 회전을 제한하는 스토퍼를 더 포함하며,상기 스토퍼는,상기 제1연결렉기어의 일면 및 상기 제2연결렉기어의 일면과 각각 접촉 가능하게 구비되는 제1돌출부재; 및상기 제1연결렉기어의 타면 및 상기 제2연결렉기어의 타면과 각각 접촉 가능하게 구비되는 제2돌출부재;를 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제3항에 있어서,상기 복수의 브릿지부 중 일부에 있어서,상기 브릿지하우징은,상기 제1측면프레임과 연결되는 제1브릿지하우징; 및상기 제2측면프레임과 연결되는 제2브릿지하우징;을 포함하고,상기 이동하우징은,상기 제1브릿지하우징과 상기 제2브릿지하우징을 연결하는 제1이동하우징을 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제7항에 있어서,상기 복수의 브릿지부 중 일부에 있어서,상기 브릿지하우징은,상기 제1측면프레임과 연결되는 제1브릿지하우징;상기 제2측면프레임과 연결되는 제2브릿지하우징; 및제3브릿지하우징;을 포함하고,상기 이동하우징은,상기 제1브릿지하우징과 상기 제3브릿지하우징을 연결하는 제1이동하우징; 및상기 제2브릿지하우징과 상기 제3브릿지하우징을 연결하는 제2이동하우징; 을 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제1항에 있어서,상기 센싱부는,일측이 상기 바디부의 내주면에 결합되고 타측에 개구부가 형성된 센싱하우징;상기 센싱하우징 내부에서 결합되어 상기 개구부를 통해 돌출되는 전극; 및상기 센싱하우징의 일측과 상기 전극 사이에 구비되어 상기 전극에 탄성력을 제공하는 탄성부재;를 포함하는 것을 특징으로 하는 뇌파측정장치.
- 제9항에 있어서,상기 센싱부는,상기 전극과 상기 탄성부재 사이에 구비되어 진동하는 진동부; 및상기 전극의 내측에 구비되어 적외선을 발산하는 LED;를 더 포함하는 것을 특징으로 하는 뇌파측정장치.
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KR20230136977A (ko) | 2022-03-21 | 2023-10-04 | 주식회사 이엠텍 | 뇌파 측정기 |
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2021
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- 2021-10-29 CN CN202180096696.0A patent/CN117098499A/zh active Pending
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KR102293735B1 (ko) * | 2021-02-10 | 2021-08-27 | 주식회사 아이메디신 | 뇌파측정장치 |
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JP7485770B2 (ja) | 2024-05-16 |
US20230389871A1 (en) | 2023-12-07 |
KR102332155B9 (ko) | 2022-12-27 |
KR102332157B1 (ko) | 2021-12-01 |
KR102332155B1 (ko) | 2021-12-01 |
KR102341172B1 (ko) | 2021-12-21 |
KR102332157B9 (ko) | 2022-12-27 |
US20220280109A1 (en) | 2022-09-08 |
KR102293735B1 (ko) | 2021-08-27 |
JP2023508225A (ja) | 2023-03-01 |
CN117098499A (zh) | 2023-11-21 |
US11701056B2 (en) | 2023-07-18 |
KR102341172B9 (ko) | 2022-12-27 |
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