KR20230122769A - Wearable bio-parameter measurement and/or transcranial electrical stimulation device and operation method thereof - Google Patents

Abstract

A wearable biometric parameter measurement and/or transcranial electrical stimulation device and method of operation thereof are disclosed. According to one embodiment, a wearable biometric parameter measurement and/or transcranial electrical stimulation device may include a frame worn on a subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; and at least one size control strap that is worn on the subject's head and adjusts the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device.

Description

Wearable bio-parameter measuring and/or transcranial electrical stimulation device and operation method thereof

The following embodiments relate to a wearable bio-parameter measurement and/or transcranial electrical stimulation device and its operation method, and is a description of a bio-parameter measuring device that is worn on a subject's head and is adjustable in size.

EEG is an indicator that indicates the activity state of the brain's psychology or thinking in real time to a computer system through brain wave equipment. enable the diagnosis of mental disorders.

Currently, as disclosed in Korean Patent Publication No. 2020-0097111, electrodes connected by wires are attached to the subject's scalp to measure the brain wave. In order for the electrodes to be attached to the subject's scalp in the correct position, the help of an expert is essential. It is required. In addition, there may be a case in which the electrodes are not attached to the correct position on the subject's scalp depending on the skill of the expert.

In order to solve the problem of the shortage of experts and the problem of electrodes not being accurately attached, a wearable EEG measuring device in which electrodes are fixed by a frame has been proposed as disclosed in Korean Patent Registration No. 2238067.

However, conventional wearable EEG measuring devices in which electrodes are fixed by a frame cannot be adjusted in size, and in the case of a subject with a small head, the electrodes formed on the inner surface of the frame do not adhere to the scalp, resulting in poor EEG measurement accuracy. .

Accordingly, the following will propose a technique to solve the described problems.

The following embodiments are a wearable type including at least one sizing strap that adjusts the size so that the electrodes are attached to the correct position on the scalp without the help of a specialist, and the electrodes are closely attached to the scalp even in the case of a subject with a small head. A biometric parameter measurement and/or transcranial electrical stimulation device and its operation method are proposed.

However, the technical problems to be solved by the present invention are not limited to the above problems, and can be variously expanded without departing from the technical spirit and scope of the present invention.

According to one embodiment, a wearable biometric parameter measurement and/or transcranial electrical stimulation device may include a frame worn on a subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; and at least one size control strap that is worn on the subject's head and adjusts the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device.

According to one side, at least one of the plurality of electrodes may be disposed on an inner surface of the at least one size control strap.

According to another aspect, the remaining electrodes other than the at least one electrode among the plurality of electrodes may be disposed on an inner surface of the frame.

According to another aspect, the at least one size adjustment strap, the first strap provided with a coupling protrusion; And it may be characterized in that it comprises a second strap provided with coupling grooves to which the coupling protrusion of the first strap is fastened.

According to another aspect, the length of the at least one size-adjusting strap is adjusted as the coupling protrusion of the first strap is coupled to any one defect groove among coupling grooves of the second strap, so that the wearable living body It may be characterized by measuring parameters and/or adjusting the size of the transcranial electrical stimulation device.

According to another aspect, the frame is formed of a flexible material so that the electrodes disposed on the inner surface of the frame come into close contact with the subject's scalp when the length of the at least one size-controlling strap is adjusted. can be done with

According to another aspect, the wearable bio-parameter measurement and/or transcranial electrical stimulation device measures bio-parameters through at least two or more electrodes among the plurality of electrodes while being provided on one side of the frame. Alternatively, it may be characterized in that it further comprises a biological parameter measuring module providing electrical stimulation to the subject's scalp.

According to another aspect, the wearable biometric parameter measuring and/or transcranial electrical stimulation device may further include a storage unit provided on one side of the frame and accommodating a biometric parameter measuring module. there is.

According to another aspect, as the wearable biometric parameter measurement and/or transcranial electrical stimulation device is worn on the subject's head by the frame and the at least one size adjustment strap, a portion of the subject's head is worn. It can be characterized by exposing.

According to one embodiment, the frame worn on the subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; at least one sizing strap worn on the subject's head; and a wearable bio-parameter measuring and/or transcranial electrical stimulation device including a bio-parameter measurement module, wherein the length of the at least one size-adjusting strap is adjusted so that the wearable bio-parameter measurement and/or transcranial electrical stimulation device can be adjusted. Adjusting the size of the electrical stimulation device; and measuring a biometric parameter through at least two or more electrodes among the plurality of electrodes through the biometric parameter measurement module.

According to one embodiment, the frame worn on the subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; at least one sizing strap worn on the subject's head; and a wearable bio-parameter measuring and/or transcranial electrical stimulation device including a bio-parameter measurement module, wherein the length of the at least one size-adjusting strap is adjusted so that the wearable bio-parameter measurement and/or transcranial electrical stimulation device can be adjusted. Adjusting the size of the electrical stimulation device; and providing electrical stimulation to the scalp of the subject through at least two or more electrodes among the plurality of electrodes through the biometric parameter measuring module.

According to one side, the length of the at least one size-adjustable strap, the coupling protrusion provided in the first strap included in the at least one size-adjustable strap is provided in the second strap included in the at least one size-adjustable strap It may be characterized in that it is adjusted according to being coupled to any one of the coupling grooves.

According to another aspect, the measuring may include measuring the biological parameter through at least one electrode disposed on an inner surface of the at least one size control strap among the plurality of electrodes, The providing may include providing electrical stimulation to the subject's scalp through at least one electrode disposed on an inner surface of the at least one size control strap among the plurality of electrodes.

The following embodiments propose a wearable biometric parameter measurement and/or transcranial electrical stimulation device including at least one size-adjustable strap and an operating method thereof, so that electrodes can be positioned accurately on the scalp without the help of experts. It is attached, and even in the case of a subject with a small head, it is possible to achieve a technical effect of making the electrodes adhere to the scalp.

However, the effects of the present invention are not limited to the above effects, and can be variously extended without departing from the technical spirit and scope of the present invention.

1 and 2 are perspective views illustrating a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an exemplary embodiment.
3 is a diagram for explaining a plurality of electrodes included in a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an embodiment.
4 is a block diagram showing the structure of a bio-parameter measurement module included in a wearable bio-parameter measurement and/or transcranial electrical stimulation device according to an embodiment.
5 is a flowchart illustrating a method of operating a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an embodiment.
6 is a flow chart illustrating a method of operating a wearable biological parameter measurement and/or transcranial electrical stimulation device according to another embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited or limited by the examples. Also, like reference numerals in each figure denote like members.

In addition, terms used in this specification (terminology) are terms used to appropriately express preferred embodiments of the present invention, which may vary according to the intention of a viewer or operator or customs in the field to which the present invention belongs. Therefore, definitions of these terms will have to be made based on the content throughout this specification. For example, in this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. Also, as used herein, "comprises" and/or "comprising" means that a referenced component, step, operation, and/or element is one or more other components, steps, operations, and/or elements. The presence or addition of elements is not excluded. In addition, although terms such as first and second are used in this specification to describe various regions, directions, shapes, etc., these regions, directions, and shapes should not be limited by these terms. These terms are only used to distinguish one area, direction or shape from another area, direction or shape. Accordingly, a portion referred to as a first portion in one embodiment may be referred to as a second portion in another embodiment.

Also, it should be understood that the various embodiments of the present invention are different from each other but are not necessarily mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in one embodiment in another embodiment without departing from the spirit and scope of the present invention. In addition, it should be understood that the location, arrangement, or configuration of individual components in the scope of each embodiment presented may be changed without departing from the spirit and scope of the present invention.

1 and 2 are perspective views illustrating a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an embodiment, and FIG. 3 is a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an embodiment. 4 is a block diagram showing the structure of a bio-parameter measurement module included in a wearable bio-parameter measurement and/or transcranial electrical stimulation device according to an embodiment.

1 to 4, a wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 according to an embodiment includes a frame 110, a plurality of electrodes 120, and at least one size adjustment strap. (130, 140).

Hereinafter, the meaning of the wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 may be a device that performs at least one of a wearable biometric parameter measurement device and a wearable transcranial electrical stimulation device.

The frame 110 may be formed in a hemispherical shape to be worn on the subject's head. In particular, the frame 110 may be configured to be worn on the subject's head by combining a plate having a narrow width so that a portion of the subject's head is exposed.

The plurality of electrodes 120 may be configured to be attached to the subject's scalp when the frame 110 is worn on the subject's head. In more detail, the plurality of electrodes 120 are formed of a conductive material to serve as a passage through which the current signal provided by the bio-parameter measurement module 400 is injected into the subject's scalp and a passage for measuring the subject's bio-parameter. It may be attached to the subject's scalp according to the electrode placement method of the International 10-20 standard shown in FIG. 3 .

Hereinafter, the biological parameter of the subject may be any one of brain impedance and brain waves. Accordingly, the biological parameter measuring module 400 may measure brain impedance or brain waves through at least two electrodes among the plurality of electrodes 120 .

At least one size adjustment strap (130, 140) is worn on the subject's head and can measure wearable biological parameters and/or adjust the size of the transcranial electrical stimulation device (100). Here, the size of the wearable biometric parameter measurement and/or the transcranial electrical stimulation device 100 can be adjusted by adjusting the length of at least one size control strap 130 or 140 .

In more detail, at least one size adjustment strap (130, 140), the first strap (131, 141) provided with a coupling protrusion (not shown), and the coupling protrusion of the first strap (131, 141) is fastened It may include second straps 132 and 142 provided with coupling grooves 132-1 and 142-1. Accordingly, in the at least one size adjustment strap 130 or 140, the coupling protrusion of the first strap 131 or 141 is coupled to any one of the coupling grooves 132-1 or 142-1 of the second straps 132 or 142. As the length (coupled length) is adjusted as it is coupled to the coupling groove, it is possible to measure wearable biological parameters and/or adjust the size of the transcranial electrical stimulation device 100 .

In this way, as the combined length of the first straps 131 and 141 and the second straps 132 and 142 is adjusted to measure wearable biological parameters and/or adjust the size of the transcranial electrical stimulation device 100, the wearable biological The parameter measurement and/or transcranial electrical stimulation device 100 may be attached to the subject's head.

Attaching the wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 to the subject's head means that the plurality of electrodes 120 are attached to the subject's scalp, and at least one size adjustment strap ( 130, 140) allows the electrodes 120 to be attached to the correct position on the scalp without the help of a specialist, and can achieve a technical effect of ensuring that the electrodes 120 adhere to the scalp even in the case of a subject with a small head.

At this time, the electrodes 121 and 122 disposed on the inner surface of the frame 110 among the plurality of electrodes 120 may not come into close contact with the subject's scalp when the frame 110 is made of a non-flexible material. there is.

To this end, the frame 110 is formed of a material having flexibility, so that the electrodes 121 and 122 disposed on the inner surface of the frame 110 when the length of at least one size control strap 130 and 140 is adjusted. It can be brought into close contact with the subject's scalp.

In particular, since at least one electrode 123 or 124 of the plurality of electrodes 120 is disposed on the inner surface of the at least one size control strap 130 or 140, the inner surface of the at least one size control strap 130 or 140 At least one electrode (123, 124) disposed on may be in close contact with the subject's scalp as the length of at least one size control strap (130, 140) is adjusted.

Similarly, at least one size-adjustable strap (130, 140) is also formed of a material having flexibility, so that at least one electrode (123, 124) disposed on the inner surface of the at least one size-adjustable strap (130, 140) Regardless of the head injury, it can adhere to the subject's scalp.

At least one size-adjustable strap (130, 140) is implemented as a strap having a narrow width, so that when worn on the subject's head, a portion of the subject's head may be exposed.

The bio-parameter measuring module 400 measures a bio-parameter through at least two electrodes among a plurality of electrodes 120 while being provided on one side of the wearable bio-parameter and/or the transcranial electrical stimulation device 100. can do.

In more detail, the biological parameter measuring module 400 is composed of a current providing unit 410 and a signal processing unit 420, so that a current signal is provided to the subject's scalp through the current providing unit 410, and the signal processing unit 420 ) to measure biological parameters. For example, when the wearable bio-parameter measurement and/or transcranial electrical stimulation device 100 is implemented to measure brain waves as bio-parameters, the bio-parameter measurement module 400 may include only the signal processing unit 420. can For another example, when the wearable bio-parameter measurement and/or transcranial electrical stimulation device 100 is implemented to measure brain impedance as a bio-parameter, the bio-parameter measuring module 400 includes the current providing unit 410 and the signal It may be configured to include all of the processing unit 420 .

Accordingly, the signal processor 420 is a circuit for measuring brain parameters through at least two of the plurality of electrodes 120 or a circuit for measuring brain waves through at least one of the plurality of electrodes 120. can be implemented

Here, the biological parameter measurement module 400 may be housed in the storage unit 111 provided on one side of the frame 110 and electrically connected to the plurality of electrodes 120 . That is, the biometric parameter measurement module 400 is housed in the storage unit 111 and can be implemented in a form that is detachable from the wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 .

However, without being limited or limited thereto, the bio-parameter measurement module 400 is electrically connected to the plurality of electrodes 120 while being fixedly coupled to one side of the frame 110, wearable bio-parameter measurement and/or sensor It may be implemented integrally with the two electrical stimulation devices (100).

In addition, the biological parameter measurement module 400 may also perform a function of transcranial electrical stimulation. In this case, the biological parameter measurement module 400 is configured to include only the current providing unit 410, so that current for transcranial electrical stimulation can be generated and provided.

In the above-described wearable bio-parameter measurement and/or transcranial electrical stimulation device 100, the bio-parameter measurement module 400 performs the bio-parameter measurement function and the transcranial electrical stimulation function, through a switching operation, Functions can be selectively performed. For example, when the current provider 410 and the signal processor 420 included in the biological parameter measurement module 400 are electrically connected to the plurality of electrodes 120, the connection with the power supply unit (not shown) is switched. , only one of the current providing unit 410 and the signal processing unit 420 is selectively activated so that only one of the biological parameter measurement function and the transcranial electrical stimulation function can be performed. For another example, the connection between the current providing unit 410 and the signal processing unit 420 included in the biological parameter measurement module 400 is switched with the plurality of electrodes 120 (current providing unit 410 and signal processing unit 420). Only one of the processing unit 420 may be selectively connected), a biological parameter measurement function, and a transcranial electrical stimulation function.

Hereinafter, a method of measuring wearable biological parameters and/or operating the transcranial electrical stimulation device 100 of the described structure will be described.

5 is a flowchart illustrating a method of operating a wearable biometric parameter measurement and/or transcranial electrical stimulation device according to an embodiment. Hereinafter, the operation method described is assumed to be performed by the wearable biological parameter measurement and/or transcranial electrical stimulation device 100 described with reference to FIGS. 1 to 4 .

In step S510, the length of at least one size control strap 130 or 140 is adjusted so that the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 can be adjusted.

At this time, the length of the at least one size-adjustable strap (130, 140) is such that the coupling protrusion of the first strap (131, 141) included in the at least one size-adjustable strap (130, 140) is at least one size-adjustable strap ( It can be adjusted according to being coupled to any one of the coupling grooves 132-1 and 142-1 provided in the second straps 132 and 142 included in the 130 and 140.

Accordingly, in the at least one size adjustment strap 130 or 140, the coupling protrusion of the first strap 131 or 141 is coupled to any one of the coupling grooves 132-1 or 142-1 of the second straps 132 or 142. As the length (coupled length) is adjusted as it is coupled to the coupling groove, it is possible to measure wearable biological parameters and/or adjust the size of the transcranial electrical stimulation device 100 .

In step S520 , the biometric parameter measurement module 400 may measure the biometric parameters through at least two electrodes among the plurality of electrodes 120 .

At least one electrode disposed on the inner surface of at least one size control strap 130 or 140 among the plurality of electrodes 120 is adjusted in length of the at least one size control strap 130 or 140 in the previous step (S510). Accordingly, it may adhere to the subject's scalp. Accordingly, in step S520, the biometric parameter measuring module 400 measures the biometric parameter through at least one electrode disposed on the inner surface of at least one size control strap 130 or 140 among the plurality of electrodes 120. can do.

6 is a flow chart illustrating a method of operating a wearable biological parameter measurement and/or transcranial electrical stimulation device according to another embodiment. Hereinafter, the operation method described is assumed to be performed by the wearable biological parameter measurement and/or transcranial electrical stimulation device 100 described with reference to FIGS. 1 to 4 .

In step S610, the length of at least one size control strap 130 or 140 is adjusted so that the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device 100 can be adjusted.

At this time, the length of the at least one size-adjustable strap (130, 140) is such that the coupling protrusion of the first strap (131, 141) included in the at least one size-adjustable strap (130, 140) is at least one size-adjustable strap ( It can be adjusted according to being coupled to any one of the coupling grooves 132-1 and 142-1 provided in the second straps 132 and 142 included in the 130 and 140.

Accordingly, in the at least one size adjustment strap 130 or 140, the coupling protrusion of the first strap 131 or 141 is coupled to any one of the coupling grooves 132-1 or 142-1 of the second straps 132 or 142. As the length (coupled length) is adjusted as it is coupled to the coupling groove, it is possible to measure wearable biological parameters and/or adjust the size of the transcranial electrical stimulation device 100 .

In step S620, the biological parameter measurement module 400 may provide electrical stimulation to the subject's scalp through at least two electrodes among the plurality of electrodes 120.

At least one electrode disposed on the inner surface of at least one size control strap 130 or 140 among the plurality of electrodes 120 is adjusted in length of the at least one size control strap 130 or 140 in the previous step (S610). Accordingly, it may adhere to the subject's scalp. Accordingly, in step S620, the biometric parameter measuring module 400 reaches the scalp of the subject through at least one electrode disposed on the inner surface of at least one size adjustment strap 130 or 140 among the plurality of electrodes 120. Electrical stimulation may be provided.

The devices described above may be implemented as hardware components, software components, and/or a combination of hardware components and software components. For example, devices and components described in the embodiments include a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate array (FPGA), and a programmable PLU (programmable logic unit). logic unit), microprocessor, or any other device capable of executing and responding to instructions. The processing device may run an operating system (OS) and one or more software applications running on the operating system. A processing device may also access, store, manipulate, process, and generate data in response to execution of software. For convenience of understanding, there are cases in which one processing device is used, but those skilled in the art will understand that the processing device includes a plurality of processing elements and/or a plurality of types of processing elements. It can be seen that it can include. For example, a processing device may include a plurality of processors or a processor and a controller. Other processing configurations are also possible, such as parallel processors.

Software may include a computer program, code, instructions, or a combination of one or more of the foregoing, which configures a processing device to operate as desired or processes independently or collectively. The device can be commanded. The software and/or data may be embodied in any tangible machine, component, physical device, computer storage medium or device to be interpreted by or to provide instructions or data to a processing device. there is. Software may be distributed on networked computer systems and stored or executed in a distributed manner. Software and data may be stored on one or more computer readable media.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer readable medium. In this case, the medium may continuously store a program executable by a computer or temporarily store the program for execution or download. In addition, the medium may be various recording means or storage means in the form of a single or combined hardware, but is not limited to a medium directly connected to a certain computer system, and may be distributed on a network. Examples of the medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CD-ROM and DVD, magneto-optical media such as floptical disks, and ROM, RAM, flash memory, etc. configured to store program instructions. In addition, examples of other media include recording media or storage media managed by an app store that distributes applications, a site that supplies or distributes various other software, and a server.

As described above, although the embodiments have been described with limited examples and drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques may be performed in an order different from the method described, and/or components of the described system, structure, device, circuit, etc. may be combined or combined in a different form than the method described, or other components may be used. Or even if it is replaced or substituted by equivalents, appropriate results can be achieved.

Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

Claims (13)

In the wearable biometric parameter measurement and / or transcranial electrical stimulation device,
a frame worn over the subject's head;
a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; and
At least one size adjustment strap worn on the subject's head and adjusting the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device
Wearable biological parameter measurement and / or transcranial electrical stimulation device comprising a. According to claim 1,
At least one electrode among the plurality of electrodes,
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that disposed on the inner surface of the at least one size adjustment strap. According to claim 2,
The remaining electrodes except for the at least one electrode among the plurality of electrodes,
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that disposed on the inner surface of the frame. According to claim 1,
The at least one sizing strap,
A first strap provided with a coupling protrusion; and
A second strap provided with coupling grooves into which coupling protrusions of the first strap are fastened
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that it comprises a. According to claim 4,
The at least one sizing strap,
Adjusting the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device by adjusting the length as the coupling protrusion of the first strap is coupled to one of the coupling grooves of the second strap. A wearable biometric parameter measurement and/or transcranial electrical stimulation device characterized by According to claim 5
the frame,
When the length of the at least one size control strap is adjusted, electrodes disposed on the inner surface of the frame are formed of a material having flexibility so as to be in close contact with the scalp of the subject. cranial electrical stimulation device. According to claim 1,
A bio-parameter measurement module provided on one side of the frame, measuring bio-parameters through at least two or more electrodes among the plurality of electrodes, or providing electrical stimulation to the subject's scalp.
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that it further comprises. According to claim 7,
A storage unit provided on one side of the frame and in which a biometric parameter measurement module is accommodated
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that it further comprises. According to claim 1,
The wearable biometric parameter measurement and / or transcranial electrical stimulation device,
Wearable biological parameter measurement and / or transcranial electrical stimulation device, characterized in that as it is worn on the subject's head by the frame and the at least one size adjustment strap, a part of the subject's head is exposed. a frame worn over the subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; at least one sizing strap worn on the subject's head; And in the method of operating a wearable biometric parameter measurement and / or transcranial electrical stimulation device comprising a biometric parameter measurement module,
adjusting the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device by adjusting the length of the at least one size adjustment strap; and
Measuring a biometric parameter through at least two or more electrodes among the plurality of electrodes through the biometric parameter measurement module;
Method of operating a wearable biological parameter measurement and / or transcranial electrical stimulation device comprising a. a frame worn over the subject's head; a plurality of electrodes attached to the subject's scalp when the frame is worn on the subject's head; at least one sizing strap worn on the subject's head; And in the method of operating a wearable biometric parameter measurement and / or transcranial electrical stimulation device comprising a biometric parameter measurement module,
adjusting the size of the wearable biometric parameter measurement and/or transcranial electrical stimulation device by adjusting the length of the at least one size adjustment strap; and
Providing electrical stimulation to the scalp of the subject through at least two or more electrodes among the plurality of electrodes through the biometric parameter measuring module.
Method of operating a wearable biological parameter measurement and / or transcranial electrical stimulation device comprising a. According to any one of claims 10 or 11,
The length of the at least one sizing strap is,
The coupling protrusion provided in the first strap included in the at least one size-adjusting strap is adjusted as it is coupled to any one coupling groove among the coupling grooves provided in the second strap included in the at least one size-adjustable strap. A method for measuring wearable biometric parameters and/or operating a transcranial electrical stimulation device. According to claim 12,
The measuring step is
characterized in that the step of measuring the biometric parameter through at least one electrode disposed on an inner surface of the at least one size control strap among the plurality of electrodes;
The step of providing,
and providing electrical stimulation to the scalp of the subject through at least one electrode disposed on an inner surface of the at least one size adjusting strap among the plurality of electrodes. Method of operation of electrical stimulation device.