CN219721703U - Headgear of light therapy device and light therapy device for treating Alzheimer's disease - Google Patents
Headgear of light therapy device and light therapy device for treating Alzheimer's disease Download PDFInfo
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- CN219721703U CN219721703U CN202223212279.9U CN202223212279U CN219721703U CN 219721703 U CN219721703 U CN 219721703U CN 202223212279 U CN202223212279 U CN 202223212279U CN 219721703 U CN219721703 U CN 219721703U
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- near infrared
- infrared irradiation
- irradiation units
- headgear
- light
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- 238000001126 phototherapy Methods 0.000 title claims abstract description 27
- 208000024827 Alzheimer disease Diseases 0.000 title claims abstract description 11
- 210000004556 brain Anatomy 0.000 claims abstract description 32
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 210000003478 temporal lobe Anatomy 0.000 claims description 11
- 210000001652 frontal lobe Anatomy 0.000 claims description 8
- 210000005069 ears Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 210000003128 head Anatomy 0.000 description 37
- 210000004761 scalp Anatomy 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003925 brain function Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010013954 Dysphoria Diseases 0.000 description 1
- 206010019194 Head discomfort Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000926 neurological effect Effects 0.000 description 1
- 210000000869 occipital lobe Anatomy 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 210000001152 parietal lobe Anatomy 0.000 description 1
- 208000020016 psychiatric disease Diseases 0.000 description 1
Abstract
The utility model provides a head cap of a light therapy device and the light therapy device for treating Alzheimer's disease. The cap body is provided with a shell for irradiating the head, and the lower part of the shell is connected with a lower convex body. The plurality of near infrared irradiation units are respectively arranged on the shell and the lower convex body of the cap body, the plurality of near infrared irradiation units positioned on the cap body are arranged around the inner wall of the cap body from top to bottom in layers, and the plurality of near infrared irradiation units are used for cooperatively emitting near infrared light covering the whole brain region. The head cap can emit near infrared light covering the whole brain area to the head, and achieves better light treatment effect.
Description
Technical Field
The utility model relates to the technical field of light treatment equipment, in particular to a head cap of the light treatment equipment and the light treatment equipment for treating Alzheimer's disease.
Background
In recent years, scientific research has found that research, treatment (e.g., treatment of Alzheimer's disease), particularly near infrared light, of neurological and psychological diseases can be performed using light modulation to improve brain function. The light therapy device needs to emit near infrared light to the scalp by using a light source, thereby realizing improvement of brain functions through light modulation and control. However, in the prior art, the light treatment head cap cannot realize full head irradiation, so that a better light treatment effect cannot be achieved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a head cap of a light therapy device and the light therapy device for treating Alzheimer's disease, which can emit near infrared light covering a whole brain region to the head, thereby realizing better therapeutic light therapy effect.
The embodiment of the utility model provides a headgear of a light therapy device, comprising:
the cap body is provided with a shell for irradiating the head, and the lower part of the shell is connected with a lower convex body;
the near infrared irradiation units are respectively arranged on the shell and the lower convex body of the cap body, the near infrared irradiation units on the shell are arranged around the inner wall of the shell from top to bottom in a layer mode, and the near infrared irradiation units are used for emitting near infrared light covering the whole brain region in a matched mode.
In some embodiments, when two of the plurality of near infrared irradiation units are communicatively connected together to the same control unit, the number of near infrared irradiation units corresponding to each brain region is an even number, the near infrared irradiation units being configured to be capable of emitting the near infrared light individually to different brain regions of the head of the patient or emitting the near infrared light together to all brain regions.
In some embodiments, the number of near infrared irradiation units located at the upper layer is smaller than the number of near infrared irradiation units located at the lower layer in two adjacent layers on the shell.
In some embodiments, the number of the near infrared irradiation units is 80, wherein 74 near infrared irradiation units are arranged on the housing in 5 layers, and the other 6 near infrared irradiation units are arranged on the lower convex body.
In some embodiments, when the headgear is worn, the head of the patient has a certain movable space relative to the headgear, the headgear further comprises a transparent cover arranged inside the headgear body, and a limit pad is arranged on the inner surface of the transparent cover, and the limit pad is arranged in a dislocation manner relative to the near infrared irradiation unit, so as to limit the movable range of the head of the patient in the movable space.
In some embodiments, the plurality of the near infrared irradiation units emit an average power density in the range of 40mW/cm to the whole brain region 2 -120mW/cm 2 Near infrared light of (a) is provided.
In some embodiments, the number of the lower protruding bodies is two, the two lower protruding bodies are integrally formed with the housing, and the lower protruding bodies are arranged in an outward inclined manner relative to the housing.
In some embodiments, the two lower protrusions are respectively disposed corresponding to ears of the patient, and the near infrared irradiation units on the lower protrusions are used for emitting near infrared light to left and right temporal lobes.
In some embodiments, the near infrared irradiation unit includes a lamp panel and a plurality of light emitters, where the plurality of light emitters are arranged on the lamp panel in a preset array arrangement manner;
the plurality of luminous bodies are arranged on the lamp panel in a 3 multiplied by 3 array mode.
In some embodiments, the arrangement density of the near infrared illumination units corresponding to the frontal and temporal lobes is greater than the arrangement density of the near infrared illumination units corresponding to other brain regions.
The embodiment of the utility model also provides a light treatment device for treating the Alzheimer's disease, which comprises the head cap for treating the Alzheimer's disease.
Compared with the prior art, the embodiment of the utility model has the beneficial effects that: according to the utility model, the plurality of near infrared irradiation units arranged on the shell and the lower convex body can emit near infrared light covering the whole brain region, so that a better treatment effect is achieved, and the near infrared irradiation units can uniformly irradiate near infrared light to the head in a layer-by-layer arrangement mode from top to bottom, so that the light treatment effect is further improved.
Drawings
In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar components. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.
FIG. 1 is a schematic view of the structure of a headgear of the light therapy apparatus of the present utility model;
FIG. 2 is a schematic view of the structure of the headgear of the light therapy apparatus of the present utility model from another perspective;
fig. 3 is a schematic structural view of another view of the headgear of the light therapy apparatus of the present utility model.
The reference numerals in the drawings denote components:
1-a cap body; 11-a housing; 12-lower convex body; 2-a near infrared irradiation unit; 21-a lamp panel; 22-luminophores.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present utility model. Embodiments of the present utility model will be described in further detail below with reference to the drawings and specific examples, but not by way of limitation.
The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In the present utility model, when it is described that a specific device is located between a first device and a second device, an intervening device may or may not be present between the specific device and the first device or the second device. When it is described that a particular device is connected to other devices, the particular device may be directly connected to the other devices without intervening devices, or may be directly connected to the other devices without intervening devices.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The embodiment of the utility model provides a headgear of light treatment equipment, which comprises but is not limited to irradiation parameters such as wavelength, pulse frequency and the like of near infrared light and is used for treating Alzheimer disease, depression and the like.
Further, as shown in fig. 1 to 3, the headgear of the light treatment apparatus includes a headgear body 1 and a plurality of near infrared irradiation units 2. The cap 1 has a housing 11 for irradiating the head, and a lower protrusion 12 is connected to the lower portion of the housing 11. The plurality of near infrared irradiation units 2 are respectively arranged on the shell 11 and the lower convex body 12 of the cap body 1, the plurality of near infrared irradiation units 2 arranged on the shell 11 are arranged around the inner wall of the shell 11 from top to bottom in layers, and the plurality of near infrared irradiation units 2 are used for emitting near infrared light covering the whole brain region in a matching way. The above-mentioned top-down can be understood as that the near infrared irradiation units 2 are arranged in layers from the upper part to the lower part of the shell 11 in the state that the headgear is in the normal position, and the near infrared irradiation units 2 of each layer are positioned at the same height in the normal position. The lower protrusion 12 may be understood as a structure connected to the lower portion of the housing 11 for covering the ear, and is configured to protrude downward from the housing 11, and in some cases, to protrude in a circular arc shape, for example, to be formed as a lug structure. Specifically, the lower protruding body 12 may be integrally formed on the housing 11, or may be detachably connected to the housing 11.
Specifically, the near infrared irradiation unit 2 on the housing 11 corresponds to at least frontal lobe, parietal lobe, occipital lobe, and partial temporal lobe of the brain region, the lower convex body 12 includes left and right lower convex bodies 12, and the two lower convex bodies 12 correspond to the left and right temporal lobes, respectively.
Specifically, the plurality of near infrared irradiation units 2 of each layer may be uniformly arranged.
According to the utility model, the plurality of near infrared irradiation units 2 arranged on the shell 11 and the lower convex body 12 can emit near infrared light covering the whole brain region, so that a better treatment effect is achieved, and the near infrared irradiation units 2 can uniformly irradiate near infrared light to the head in a layer-by-layer arrangement manner from top to bottom, so that the light treatment effect is further improved.
In some embodiments, the plurality of near infrared irradiation units 2 are each communicatively connected to a separate control unit; or at least two of the plurality of near infrared irradiation units 2 are commonly communicatively connected to the same control unit.
Specifically, in the case where the plurality of near infrared irradiation units 2 are each communicatively connected to an independent control unit so as to be independently controllable by the control unit, the above-described headgear may be provided with the control units respectively corresponding to the respective near infrared irradiation units 2 so as to control the respective near infrared irradiation units 2 respectively, so that the regulation is faster and more flexible. The same control unit is in communication connection with at least two near infrared irradiation units 2, so that the same control unit can control the at least two near infrared irradiation units 2 together, and a plurality of control units can control the near infrared irradiation units 2 respectively, so that the connecting lines can be reduced, the structural design of the helmet is more compact, and the cost is reduced.
Specifically, the control of the above-mentioned plurality of near infrared irradiation units 2 may be performed according to the brain region to be light-treated, for example, when light treatment is only required for the frontal lobe, the control unit may turn on the near infrared irradiation units 2 corresponding to the frontal She Duiying and turn off the near infrared irradiation units 2 corresponding to the brain regions other than the frontal lobe, thereby realizing targeted light treatment.
In some embodiments, when two of the plurality of near infrared irradiation units 2 are commonly communicatively connected to the same control unit, the number of near infrared irradiation units 2 corresponding to each brain region is an even number, and the near infrared irradiation units 2 are configured to be capable of emitting near infrared light individually to different brain regions of the head of the patient or to emit near infrared light together to all brain regions.
Therefore, the near infrared irradiation units 2 corresponding to one brain region can be controlled independently, and when two near infrared irradiation units 2 are controlled by one control unit, the number of the near infrared irradiation units 2 corresponding to each brain region is required to be even, so that the cost can be saved, and the implementation is easy.
In some embodiments, as shown in fig. 1 to 3, the number of near infrared irradiation units 2 located at the upper layer is smaller than the number of near infrared irradiation units 2 located at the lower layer in adjacent two layers on the housing 11. That is, the number of near infrared irradiation units 2 per layer on the housing 11 increases sequentially from top to bottom. Therefore, the cap body can be matched with the outer contour dimension of the cap body 1 which is gradually increased from top to bottom, and the purpose of emitting near infrared light covering the whole brain area is achieved.
In some embodiments, the number of near infrared irradiation units 2 is 80, wherein 74 near infrared irradiation units 2 are laid out in 5 layers on the housing 11, and the other 6 near infrared irradiation units 2 are laid out on the lower convex body 12. Specifically, the near infrared irradiation units 2 on the housing 11 are 5 layers in total, each layer of the near infrared irradiation units 2 from top to bottom includes 6 (first layer), 12 (second layer), 17 (third layer), 19 (fourth layer) and 20 (fifth layer) in order, the near infrared irradiation units 2 on the two lower protrusions 12 may be one layer, and the layer on each lower protrusion 12 is provided with 3 near infrared irradiation units 2.
In some embodiments, when the headgear is worn, the head of the patient has a certain movable space relative to the headgear, the headgear further comprises a transparent cover (not shown in the figure) disposed inside the headgear body 1, a limiting pad is disposed on an inner surface of the transparent cover, the limiting pad is arranged in a dislocation manner relative to the near infrared irradiation unit 2, and the limiting pad is used for limiting a movement space of the head in the headgear, so as to limit a movement range of the head of the patient in the movable space.
Specifically, the near infrared irradiation unit 2 is located at the outer side of the transparent cover (i.e., the side of the transparent cover facing away from the head), which is made of a material capable of emitting near infrared light to reduce loss of near infrared light so that the near infrared light can be directed to the scalp as much as possible, and the near infrared light emitted from the near infrared irradiation unit 2 is irradiated to the scalp through the transparent cover, and also prevents the scalp from being overheated by the direct irradiation of the near infrared light, resulting in a problem of discomfort to the user.
Specifically, the limiting pad can be arranged between adjacent near infrared irradiation units 2, and is used for propping against the head, so that the comfort level of the head is increased, and the dislocation arrangement mode of the limiting pad can avoid influencing the emergent of near infrared light, so that the light propagation efficiency is improved.
Specifically, after the limiting pad is arranged, a movable interval can be formed between the limiting pad and the head, so that the movable interval between the transparent cover and the head is reduced, the near infrared light can be irradiated by the whole head and the optical power density is ensured, and meanwhile, the head can have a desired movable space in the head cap, and the comfort level is higher. By the design of the limit pad, the molding precision requirement and the manufacturing cost of the cap body 1 are reduced. For example, for a group of users with different head types, the cap body 1 with the same geometric structure and size can be manufactured uniformly, so that a relatively large movable space is reserved between the inner side of the cap body 1 and the scalp of the user, and the reserved movable space can be matched with the individual head type characteristics and the loose requirements of the user by arranging the limiting pad, particularly the limiting pad with proper position and proper size for the user.
In some embodiments, the limit pad is disposed on the inner surface of the transparent cover so that a preset interval is provided between the near infrared irradiation unit 2 and the head of the patient, further preventing the scalp from being overheated by the near infrared irradiation, which causes discomfort to the user.
Specifically, the side of the limit pad facing the head can be provided with an elastic layer, and the elastic layer is used for improving the comfort level of the head when contacting the head, so that the problem of head discomfort caused by contacting the head with an excessively hard material is avoided. The elastic layer can be a part of the structure of the limit pad, and also can be a structure which is arranged on the limit pad and independent of the limit pad.
In some embodiments, the plurality of near infrared irradiation units 2 emit an average power density in the range of 40mW/cm to the whole brain region 2 -120mW/cm 2 Near infrared light of (a) is provided. Thus, by controlling the low threshold and the high threshold of the average power density of the near infrared light emission, the scalp overheating problem caused by the near infrared light can be avoided while the light treatment effect is ensured.
In some embodiments, as shown in fig. 1 to 3, the number of the lower protrusions 12 is two, the two lower protrusions 12 are integrally formed with the housing 11, and the lower protrusions 12 are inclined outwards relative to the housing 11, so that a loose space is reserved for the ears of the user, so that the user can wear the headgear, a certain movable space between the head and the headgear can be ensured when the user wears the headgear, the therapeutic compliance of the user can be improved, special psychological demands such as dysphoria, anxiety, mental disorder in closed and crowded spaces can be met, and good therapeutic effects can be ensured.
In some embodiments, two lower protrusions 12 are respectively disposed corresponding to ears of a patient, and the near infrared irradiation unit 2 on the lower protrusions 12 is used to emit near infrared light to left and right temporal lobes.
Specifically, the lower protruding body 12 is located at two opposite sides of the housing 11, and an arc-shaped connection portion is formed at a connection portion between the lower protruding body 12 and the housing 11, so that the lower protruding body 12 and the lower edge of the housing 11 are connected into a whole in an arc curve, thereby completely covering left and right temporal lobes of a patient.
In some embodiments, as shown in fig. 1 to 3, the near infrared irradiation unit 2 includes a lamp panel 21 and a plurality of light emitters 22, and the plurality of light emitters 22 are disposed on the lamp panel 21 in a predetermined array arrangement.
In some embodiments, with continued reference to fig. 1-3, a plurality of light emitters 22 are arranged in a 3×3 array on the light panel 21. In some other embodiments, the plurality of light emitters 22 may be arranged on the light panel 21 in an array manner such as 3×2, 4×4, etc.
Specifically, the light plate 21 may be detachably mounted on the housing 11, and the light plate 21 may be arranged at least corresponding to each brain region of the head of the user.
In some embodiments, the arrangement density of the near infrared irradiation units 2 corresponding to the frontal and temporal lobes is greater than the arrangement density of the near infrared irradiation units 2 corresponding to other brain regions, so as to increase the average optical power density of near infrared light of the corresponding brain regions of the frontal and temporal lobes to satisfy the near infrared light required when treating the frontal and temporal lobes with a phototherapy.
The embodiment of the utility model also provides a light treatment device for treating Alzheimer's disease, which comprises the head cap of the light treatment device. The light therapy device adopting the head cap can emit near infrared light covering the whole brain region through the plurality of near infrared irradiation units 2 arranged on the shell 11 and the lower convex body 12, so as to achieve better therapeutic effect, and the near infrared irradiation units 2 can uniformly irradiate the near infrared light on the head in a layer arrangement mode from top to bottom, so that the light therapy effect is further improved.
Furthermore, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of the various embodiments across), adaptations or alterations as pertains to the present utility model. The elements in the claims are to be construed broadly based on the language employed in the claims and are not limited to examples described in the present specification or during the practice of the utility model, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above detailed description, various features may be grouped together to streamline the utility model. This is not to be interpreted as an intention that the disclosed features not being claimed are essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with one another in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.
Claims (10)
1. A headgear for a light therapy apparatus, comprising:
the cap body is provided with a shell for irradiating the head, and the lower part of the shell is connected with a lower convex body;
the near infrared irradiation units are respectively arranged on the shell and the lower convex body of the cap body, the near infrared irradiation units on the shell are distributed around the inner wall of the shell from top to bottom in layers, the near infrared irradiation units are used for being matched with each other to emit near infrared light covering the whole brain region, and the number of the near infrared irradiation units on the upper layer in two adjacent layers on the shell is smaller than that of the near infrared irradiation units on the lower layer.
2. The headgear of a light therapy apparatus according to claim 1, wherein when two of the plurality of near infrared irradiation units are commonly connected to the same control unit, the number of the near infrared irradiation units corresponding to each brain region is an even number, the near infrared irradiation units being configured to be capable of emitting the near infrared light individually to different brain regions of a head of a patient or emitting the near infrared light together to all brain regions.
3. The headgear of a light therapy apparatus according to claim 1, wherein the number of the near infrared irradiation units is 80, wherein 74 of the near infrared irradiation units are laid out in 5 layers on the housing, and the other 6 of the near infrared irradiation units are laid out on the lower convex body.
4. The headgear of a light therapy apparatus according to claim 1, wherein the headgear has a movable space for a head of a patient when the headgear is worn, the headgear further comprising a transparent cover provided inside a cap body, a limit pad being provided on an inner surface of the transparent cover, the limit pad being arranged in a staggered manner with respect to the near infrared irradiation unit to define a movable range of the head of the patient in the movable space.
5. The headgear of a light therapy apparatus according to claim 1 or 4, wherein a plurality of the near infrared irradiation units emit an average power density range of 40mW/cm to the whole brain region 2 -120mW/cm 2 Near infrared light of (a) is provided.
6. The headgear of a light therapy apparatus according to claim 1, wherein the number of the lower protrusions is two, the two lower protrusions being integrally formed with the housing, the lower protrusions being disposed obliquely outward with respect to the housing.
7. The headgear of a light therapy apparatus according to claim 6, wherein two of the lower protrusions are respectively provided corresponding to ears of a patient, and a near infrared irradiation unit on the lower protrusions is for emitting near infrared light to left and right temporal lobes.
8. The headgear of a light therapy apparatus according to claim 1, wherein the near infrared irradiation unit includes a lamp panel and a plurality of luminous bodies, the plurality of luminous bodies being provided on the lamp panel in a preset array arrangement;
the plurality of luminous bodies are arranged on the lamp panel in a 3 multiplied by 3 array mode.
9. The headgear of a light treatment apparatus according to claim 1, wherein the arrangement density of the near infrared irradiation units corresponding to the frontal and temporal lobes is greater than the arrangement density of the near infrared irradiation units corresponding to other brain regions.
10. A light therapy device for the treatment of alzheimer's disease, characterized by comprising a headgear of the light therapy device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223212279.9U CN219721703U (en) | 2022-11-30 | 2022-11-30 | Headgear of light therapy device and light therapy device for treating Alzheimer's disease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223212279.9U CN219721703U (en) | 2022-11-30 | 2022-11-30 | Headgear of light therapy device and light therapy device for treating Alzheimer's disease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721703U true CN219721703U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223212279.9U Active CN219721703U (en) | 2022-11-30 | 2022-11-30 | Headgear of light therapy device and light therapy device for treating Alzheimer's disease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721703U (en) |
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2022
- 2022-11-30 CN CN202223212279.9U patent/CN219721703U/en active Active
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