CN218890069U - Blue light phototherapy device and crib - Google Patents
Blue light phototherapy device and crib Download PDFInfo
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- CN218890069U CN218890069U CN202222711521.0U CN202222711521U CN218890069U CN 218890069 U CN218890069 U CN 218890069U CN 202222711521 U CN202222711521 U CN 202222711521U CN 218890069 U CN218890069 U CN 218890069U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a blue light phototherapy device and a crib, and relates to the technical field of medical appliances. The blue light phototherapy device comprises a carrier, a first blue light source component, a second blue light source component, a vision acquisition component and a control component, wherein the carrier is suitable for bearing a human body, the first blue light source component is arranged on the carrier, the second blue light source component is arranged opposite to the carrier, a space for accommodating the human body is formed between the carrier and the second blue light source component, the vision acquisition component is suitable for acquiring state information of the human body, the control component is electrically connected with the vision acquisition component, and the control component is suitable for controlling the irradiation area of the first blue light source component and the second blue light source component based on the state information of the human body. By applying the blue light phototherapy device provided by the utility model, accurate blue light irradiation on a neonate human body can be realized, the blue light of ineffective irradiation is eliminated or reduced, and the harm of the blue light to the health of the neonate, the care difficulty and the care risk in the phototherapy process are reduced.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a blue light phototherapy device and a crib.
Background
Blue light therapy is an effective method for treating neonatal jaundice, which is widely accepted in the medical field, namely, blue light is directly irradiated on neonatal bodies to promote the conversion of bilirubin in the neonatal bodies into nontoxic water-soluble isomers, and the water-soluble isomers are discharged out of the body through bile and urine to reduce the concentration of the bilirubin in blood. Blue light around wavelength 450nm has the strongest conversion effect on bilirubin in neonates.
In the prior art, the light-emitting power and the projection area of the blue light phototherapy device are large, and especially when a surface light source is used as the light-emitting device, the emitted blue light has no specific directivity. In the process of developing phototherapy, blue light emitted by a blue light source and a large amount of intense scattered blue light reflected and scattered after being irradiated on invalid parts such as a phototherapy box body, a bed body and the like in a large area can be irradiated on eyes and genitals of a newborn, and damage is caused to visual organs and reproductive systems of the newborn, so that shielding covers are required to be used for shielding and protecting the parts in the process of carrying out the phototherapy, but the way can cause uncomfortable feeling of the newborn, and the risk that the shielding covers fall off due to movement of the newborn exists; meanwhile, strong stray blue light can also affect the eyesight of medical staff, so that the medical staff is very inconvenient to accompany and observe the neonate in the phototherapy process, and the nursing difficulty and nursing risk of the neonate are increased.
Disclosure of Invention
The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the utility model provides the blue light phototherapy device, which can realize accurate blue light irradiation on a neonate human body, eliminate or reduce ineffective blue light irradiation, reduce the harm of the blue light to the health of the neonate in the phototherapy process, and reduce the care difficulty and the care risk in the neonate blue light phototherapy process.
The utility model also provides a crib.
An embodiment of a first aspect of the present utility model provides a blue light phototherapy apparatus, including:
the carrier is suitable for carrying a human body;
the first blue light source component is arranged on the carrier;
the second blue light source assembly is arranged opposite to the carrier, and a space for accommodating the human body is formed between the carrier and the second blue light source assembly;
the vision acquisition assembly is suitable for acquiring state information of the human body;
the control assembly is electrically connected with the vision acquisition assembly and is suitable for controlling a first irradiation area of the first blue light source assembly and a second irradiation area of the second blue light source assembly based on the state information of the human body;
the first irradiation area is an area of one side of the human body facing the carrier, and the second irradiation area is an area of one side of the human body facing away from the carrier.
According to the blue light therapy device provided by the embodiment of the first aspect of the utility model, through the first blue light source component arranged on the carrier and the second blue light source component arranged on one side of the opposite surface of the carrier, the omnibearing blue light irradiation of the front surface and the back surface of the neonate human body can be realized, the positions, lying postures and other states of the neonate human body can be monitored in real time through the visual acquisition component, and the control component can adjust the irradiation areas of the first blue light source component and the second blue light source component in real time based on the states of the neonate human body so as to achieve the effect of accurate blue light therapy. Specifically, the neonate's human body is placed on the carrier, when the neonate lies down, the back side of neonate faces the carrier, the back side of neonate produces an actual shielding region to the carrier, be located the first blue light source subassembly of shielding region within range on the carrier and can emit blue light in order to realize the phototherapy to the back of neonate's human body, be located the first blue light source subassembly of shielding region scope on the carrier and can not emit blue light, the actual region that the human body place can be focused to the second blue light source subassembly emits blue light and realizes the phototherapy on neonate's human body front, when the neonate carries out actions such as side body upset or remove, cause its position appearance to change, at this moment, the visual acquisition subassembly can gather the position appearance of current neonate's human body and transmit position appearance information to control unit, simultaneously, the neonate's human body can also can be shone the angle through control unit control to the second blue light source subassembly, can be controlled by the control position protection system irradiation of the second blue light source subassembly in the position protection system all the time, the position of the neonate's human body can be controlled to the position protection system is all the time shone on the second blue light source subassembly, the position protection requirements of the neonate's human body, the position protection system is all the time, the position protection system is required to the position is shone on the current blue light source assembly, the position protection system is required to the position of the neonate's human body, and so that can protect the position protection, and so on the position protection device can protect the position of the life. The blue light phototherapy device provided by the utility model can realize accurate blue light irradiation on a neonate human body, eliminate or reduce blue light which is not irradiated, reduce the harm of the blue light to the health of the neonate in the phototherapy process, and reduce the care difficulty and the care risk in the neonate blue light phototherapy process.
According to one embodiment of the utility model, the first blue light source assembly comprises a blue light lamp unit and a signal control unit, wherein the blue light lamp unit array is arranged to form a blue light lamp array, and the signal control unit is respectively and electrically connected with the control assembly and the blue light lamp unit.
According to one embodiment of the utility model, the blue light lamp unit is regular hexagon or square;
the area of the blue light lamp array is larger than that of the first irradiation area.
According to an embodiment of the present utility model, the second blue light source assembly includes:
the steering device comprises a fixed bottom plate, a steering driver and a steering device, wherein the fixed bottom plate is provided with the steering driver;
the lamp cap is connected with the fixed bottom plate through the steering driver;
and the focusing lens is arranged on the lamp holder.
According to one embodiment of the utility model, the vision acquisition assembly comprises:
a camera;
the image recognition processor is electrically connected with the camera;
and the image information transmitter is respectively and electrically connected with the image identification processor and the control component.
According to one embodiment of the utility model, the vision acquisition assembly further comprises an illumination intensity sensor electrically connected to the image information transmitter.
According to one embodiment of the utility model, the carrier comprises a rigid pallet member or a flexible backing member.
According to one embodiment of the present utility model, the light emission wavelength of the first blue light source assembly is 400nm to 500nm, and the light emission wavelength of the second blue light source assembly is 400nm to 500nm.
Embodiments of the second aspect of the present utility model provide a crib comprising a blue light phototherapy device as described above.
According to one embodiment of the utility model, the crib further comprises a telescopic supporting rod, one end of the telescopic supporting rod is connected with the crib, and the other end of the telescopic supporting rod is connected with the second blue light source assembly.
According to the crib provided by the embodiment of the second aspect of the utility model, the blue light therapy device is integrally arranged in the crib, so that the blue light therapy can be synchronously carried out in the nursing and medical care processes of newborns, the domestic treatment of the jaundice of newborns can be further realized, and the nursing and nursing in the blue light therapy processes of newborns are greatly facilitated.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a blue light phototherapy device and a crib according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a first blue light source assembly according to an embodiment of the present utility model.
Reference numerals:
10. a carrier;
20. a first blue light source assembly; 21. a blue light lamp unit;
30. a second blue light source assembly; 31. a fixed bottom plate; 32. a steering driver; 33. a lamp base; 34. a focusing lens;
40. a vision acquisition component;
6. baby crib;
60. and (5) a telescopic supporting rod.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
As shown in fig. 1, an embodiment of the first aspect of the present utility model provides a blue light therapeutic apparatus, which includes a carrier 10, a first blue light source assembly 20, a second blue light source assembly 30, a vision collecting assembly 40, and a control assembly, wherein the carrier 10 is adapted to carry a human body, the first blue light source assembly 20 is disposed on the carrier 10, the second blue light source assembly 30 is disposed opposite to the carrier 10, a space for accommodating the human body is formed between the carrier 10 and the second blue light source assembly 30, the vision collecting assembly 40 is adapted to collect status information of the human body, the control assembly is electrically connected to the vision collecting assembly 40, and the control assembly is adapted to control a first irradiation area of the first blue light source assembly 20 and a second irradiation area of the second blue light source assembly 30 based on the status information of the human body, wherein the first irradiation area is a side area facing the carrier 10, and the second irradiation area is a side area facing away from the carrier 10.
According to the blue light therapy device provided by the embodiment of the first aspect of the present utility model, through the first blue light source component 20 arranged on the carrier 10 and the second blue light source component 30 arranged on one side of the opposite surface of the carrier 10, the omnidirectional blue light irradiation of the front and back sides of the neonate human body can be realized, through the arrangement of the vision acquisition component 40, the position, lying posture and other states of the neonate human body can be monitored in real time, and the control component can adjust the irradiation areas of the first blue light source component 20 and the second blue light source component 30 in real time based on the state of the neonate human body, so as to achieve the effect of accurate blue light therapy. Specifically, the neonate's human body is placed on carrier 10, when the neonate lies down, the back of neonate faces carrier 10, the back of neonate produces an actual shielding region to carrier 10, first blue light source subassembly 20 that is located shielding region within range on carrier 10 can emit blue light in order to realize the phototherapy to the back of neonate's human body, first blue light source subassembly 20 that is located shielding region within range on carrier 10 can not emit blue light, second blue light source subassembly 30 can focus the actual region that human body is located and emit blue light and realize the phototherapy on neonate's human body front, when neonate turns over sideways, neonate's human body shielding region on carrier 10 can change, at this moment, vision acquisition subassembly 40 can acquire the pose of current neonate's human body and transmit pose information to control unit, control unit can also realize the phototherapy to the second light source subassembly in the position of the current shielding region control first blue light source subassembly 20 according to neonate's human body on carrier 10, simultaneously, because neonate's human body can take place the control unit's position control unit towards second blue light source subassembly 30 one side and also can realize the phototherapy of the neonate's human body, can be shone on the second light source subassembly is in the position protection system is realized to the second light source protection subassembly, the position protection system is shone on the second light source 30, the position protection system is required to the position protection of the neonate's human body, the visual acquisition subassembly is controlled, and so that can protect the position protection system and so on the position protection system is required to protect the position of the blue light source. The blue light phototherapy device provided by the utility model can realize accurate blue light irradiation on a neonate human body, eliminate or reduce blue light which is not irradiated, reduce the harm of the blue light to the health of the neonate in the phototherapy process, and reduce the care difficulty and the care risk in the neonate blue light phototherapy process.
As shown in fig. 1 and 2, in the embodiment of the present utility model, the first blue light source assembly 20 includes a blue light lamp unit 21 and a signal control unit, and the blue light lamp unit 21 is arranged in an array to form a blue light lamp array, and the signal control unit is electrically connected to the control assembly and the blue light lamp unit 21, respectively. The blue light lamp unit 21 may emit blue light, and the blue light lamp unit may include, but is not limited to, a blue light tube, an optical fiber, an LED blue light lamp unit, or the like, which may emit blue light. Taking an LED blue light unit as an example, the blue light emitted by the LED blue light unit has a light emission wavelength in any wavelength band from 400nm to 500nm. The LED blue light unit arrays are distributed on the carrier 10, and each LED blue light unit in the blue light array is connected with the control component through an independent signal control unit, so that the control component can control whether each LED blue light unit emits light and the light emitting intensity, for example, can control the light emitting intensity of the LED blue light unit positioned at the middle part of the neonate shielding area to be stronger, the light emitting intensity of the LED blue light unit positioned at the edge part of the neonate shielding area to be weaker, and the LED blue light unit positioned outside the neonate shielding area to not emit light, thereby not only ensuring the effective irradiation coverage area of the first blue light source component 20, but also avoiding redundant blue light scattering and improving the safety. Further, a layer of soft light material may be coated on the surface of the blue light unit 21 to harmonize the emitted blue light.
In the embodiment of the present utility model, the blue light lamp unit 21 is a regular hexagon or a square, and the area of the blue light lamp array is larger than that of the first irradiation region. When the array is arranged, the edge between the regular hexagonal or square blue light units 21 has higher anastomosis degree, so that the problems of hollowness, uneven gaps and the like can be avoided, and the flatness and the luminous uniformity of the blue light array are further ensured. The area of the blue light lamp array is larger than that of the first irradiation area, so that the blue light irradiation area of the first blue light source assembly 20 can be effectively covered on the neonate human body, and the phototherapy effect is ensured.
Further, the shape of the blue light unit 21 may be triangle, circle, rectangle, or other shapes, and the blue light unit 21 may be distributed on the carrier 10. In the embodiment of the present utility model, as shown in fig. 2, the blue light lamp unit 21 is an LED blue light lamp unit, which has a regular hexagonal shape with a side length of about 1cm.
As shown in fig. 1, in the embodiment of the present utility model, the second blue light source assembly 30 includes a fixed base plate 31, a lamp cap 33, and a focus lens 34, a steering driver 32 is disposed on the fixed base plate 31, the lamp cap 33 is connected to the fixed base plate 31 through the steering driver 32, and the focus lens 34 is disposed on the lamp cap 33. The steering driver 32 can change the projection angle of the lamp cap 33, the focusing lens 34 can change the size of a light spot of blue light projected by the lamp cap 33, and the position of the blue light projected by the lamp cap 33 and the projected light shadow area can be adjusted in real time under the adjustment action of the steering driver 32 and the focusing lens 34, so that the blue light is projected by the lamp cap 33 on an effective area of a neonate human body, the blue light is prevented from being projected by the lamp cap 33 on the eyes, the genital organs and other parts, the coverage area of the blue light is effectively ensured, and the safety of the neonate is ensured.
In the embodiment of the present utility model, the second blue light source assembly 30 includes a plurality of groups of light sources composed of a fixed bottom plate 31, a lamp cap 33 and a focusing lens 34, and each group of light sources has different projection angles and projection areas, so that the coverage of blue light is effectively ensured.
In an embodiment of the present utility model, the vision acquisition component 40 includes a camera, an image recognition processor electrically connected to the camera, and an image information transmitter electrically connected to the image recognition processor and the control component, respectively. The camera collects the status image of the neonate, wherein the camera can collect the image continuously for 24 hours, can collect visible light in daytime and can collect infrared light at night. The image recognition processor can recognize the acquired image to judge the position, lying posture and other information of the neonatal human body, and transmit the information to the control component through the image information transmitter, so that the control component adjusts the first irradiation area of the first blue light source component 20 and the second irradiation area of the second blue light source component 30 according to the current pose of the neonatal human body.
In an embodiment of the present utility model, the vision acquisition assembly 40 further includes an illumination intensity sensor electrically connected to the image information transmitter. The illumination intensity sensor can monitor the illumination intensity in the current blue light illumination area in real time, and transmits illumination intensity information to the image information transmitter, and then to the control assembly, and the control assembly can adjust the luminous intensity of the first blue light source assembly 20 and the luminous intensity of the second blue light source assembly 30 according to the illumination intensity information, so that the influence of stronger or weaker blue light on phototherapy effect is avoided.
In an embodiment of the present utility model, the carrier 10 comprises a rigid pallet member or a flexible backing member. The carrier 10 may be constructed of a variety of materials, the rigid pallet means may comprise an engineering plastic material suitable for skin contact and having good light transmission, and the flexible backing means may comprise a felt material suitable for skin contact and having good light transmission. In an embodiment of the present utility model, the carrier 10 is a rigid tray.
In the embodiment of the present utility model, the light emitting wavelength of the first blue light source assembly 20 is 400nm to 500nm, and the light emitting wavelength of the second blue light source assembly 30 is 400nm to 500nm. The process of structural change of the bilirubin in the neonate is realized by absorbing blue light with the wavelength of 400-500 nm, wherein the blue light with the wavelength of 450nm has the strongest conversion effect on the bilirubin in the neonate, and the blue light source with the wavelength of 400-500 nm is selected, so that the optimal treatment effect can be obtained.
As shown in fig. 1, an embodiment of the second aspect of the present utility model provides a crib 6, wherein the crib 6 comprises the blue light phototherapy device of any of the embodiments described above.
The carrier 10, the first blue light source assembly 20, the second blue light source assembly 30, the vision acquisition assembly 40 and the control assembly may be integrated into the crib 6 to form a component thereof, or may be independently installed at a bed surface of the crib 6 and a guardrail thereof, etc.
In addition, the blue light phototherapy device provided by the embodiment of the utility model can be integrated on neonatal culture equipment such as an incubator, a culture bed, a physiotherapy box and the like.
As shown in fig. 1, in the embodiment of the present utility model, the crib 6 further includes a telescopic support rod 60, one end of the telescopic support rod 60 is connected to the crib 6, and the other end of the telescopic support rod 60 is connected to the second blue light source assembly 30. The length of the telescopic support rod 60 can be adjusted, so that the position of the second blue light source assembly 30 can be adjusted by the telescopic support rod 60, and the second blue light source assembly 30 can irradiate most of the area of the bed surface of the crib 6.
According to the crib 6 provided by the embodiment of the second aspect of the utility model, the blue light therapy device in the embodiment is integrally arranged in the crib 6, so that the blue light therapy can be synchronously carried out in the nursing and medical care process of the neonate, the home treatment of the neonate jaundice can be further realized, and the nursing and care in the blue light therapy process of the neonate are greatly facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A blue light phototherapy device, comprising:
the carrier is suitable for carrying a human body;
the first blue light source component is arranged on the carrier;
the second blue light source assembly is arranged opposite to the carrier, and a space for accommodating the human body is formed between the carrier and the second blue light source assembly;
the vision acquisition assembly is suitable for acquiring state information of the human body;
the control assembly is electrically connected with the vision acquisition assembly and is suitable for controlling a first irradiation area of the first blue light source assembly and a second irradiation area of the second blue light source assembly based on the state information of the human body;
the first irradiation area is an area of one side of the human body facing the carrier, and the second irradiation area is an area of one side of the human body facing away from the carrier.
2. The blue light therapy device according to claim 1, wherein said first blue light source assembly comprises a blue light lamp unit and a signal control unit, said blue light lamp unit array is arranged to form a blue light lamp array, and said signal control unit is electrically connected to said control assembly and said blue light lamp unit, respectively.
3. The blue light phototherapy device according to claim 2, wherein said blue light lamp unit is regular hexagon or square;
the area of the blue light lamp array is larger than that of the first irradiation area.
4. The blue light phototherapy device according to claim 1, wherein said second blue light source assembly comprises:
the steering device comprises a fixed bottom plate, a steering driver and a steering device, wherein the fixed bottom plate is provided with the steering driver;
the lamp cap is connected with the fixed bottom plate through the steering driver;
and the focusing lens is arranged on the lamp holder.
5. The blue light phototherapy device according to claim 1, wherein the vision acquisition assembly comprises:
a camera;
the image recognition processor is electrically connected with the camera;
and the image information transmitter is respectively and electrically connected with the image identification processor and the control component.
6. The blue light phototherapy device according to claim 5, wherein said vision acquisition assembly further comprises an illumination intensity sensor electrically connected to said image information transmitter.
7. The blue light phototherapy device according to claim 1, wherein said carrier comprises a rigid pallet member or a flexible liner member.
8. The blue light therapy device according to claim 1, wherein said first blue light source assembly has a light emission wavelength of 400nm to 500nm and said second blue light source assembly has a light emission wavelength of 400nm to 500nm.
9. A crib comprising a blue light phototherapy device as defined in any one of claims 1 to 8.
10. The crib of claim 9, further comprising a telescopic support bar, wherein one end of the telescopic support bar is connected to the crib and the other end of the telescopic support bar is connected to the second blue light source assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711521.0U CN218890069U (en) | 2022-10-14 | 2022-10-14 | Blue light phototherapy device and crib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711521.0U CN218890069U (en) | 2022-10-14 | 2022-10-14 | Blue light phototherapy device and crib |
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| Publication Number | Publication Date |
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| CN218890069U true CN218890069U (en) | 2023-04-21 |
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| CN202222711521.0U Active CN218890069U (en) | 2022-10-14 | 2022-10-14 | Blue light phototherapy device and crib |
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| CN (1) | CN218890069U (en) |
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- 2022-10-14 CN CN202222711521.0U patent/CN218890069U/en active Active
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