CN218899910U - Light-emitting device for cornea crosslinking - Google Patents
Light-emitting device for cornea crosslinking Download PDFInfo
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- CN218899910U CN218899910U CN202221916809.5U CN202221916809U CN218899910U CN 218899910 U CN218899910 U CN 218899910U CN 202221916809 U CN202221916809 U CN 202221916809U CN 218899910 U CN218899910 U CN 218899910U
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Abstract
The utility model discloses a light-emitting device for cornea crosslinking, which comprises: a light emitting cover and a plurality of light emitting units; the luminous cover is hemispherical; the light-emitting units are fixed on the inner side wall of the light-emitting cover and are arranged in an array by taking the sphere center of the light-emitting cover as the center. According to the utility model, the irradiation range can be effectively controlled by arranging the luminous cover, and meanwhile, different cornea positions can be irradiated by different luminous units by arranging the plurality of luminous units in array arrangement, so that the irradiation is more accurate.
Description
Technical Field
The utility model relates to the field of ophthalmic medical treatment, in particular to a light-emitting device for cornea crosslinking.
Background
The cornea, aqueous humor, crystalline lens, vitreous body and retina constitute an optical imaging system of the eyeball, and by the accommodation of the eyeball optical system, external objects can form clear inverted images on the retina. If the refractive power of the eyeball optical system is too strong, external parallel rays are converged in front of retina after passing through the eyeball optical system, and a clear image cannot be formed on the retina, so that myopia is formed; if the refractive powers of eyeballs in different directions are inconsistent, light rays emitted by objects in different directions cannot be converged on retina at the same time, so that astigmatism is formed. Cornea crosslinking is a treatment means for keratoconus, and a photosensitizer smeared on the cornea surface generates crosslinking reaction with cornea collagen fibers under the irradiation of ultraviolet light, so that the mechanical strength of the cornea is improved. Most of the existing cornea crosslinking devices are at a certain distance from the cornea, and the central position is irradiated in a full range through a single ultraviolet light, so that the crosslinking range is large, the precision is poor, and the cornea is easy to cause larger damage.
Disclosure of Invention
Accordingly, the technical problem to be solved by the present utility model is that the light irradiation range is large and the accuracy is poor in the prior art, thereby providing a light emitting device for cornea crosslinking.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an embodiment of the present utility model provides a light emitting device for corneal crosslinking, including:
a light emitting cover and a plurality of light emitting units; the luminous cover is hemispherical; the light-emitting units are fixed on the inner side wall of the light-emitting cover and are arranged in an array with the center of the sphere of the light-emitting cover as the center.
Optionally, the device further comprises a cornea curvature detection device, a through hole is formed in the center of the luminous cover, and the cornea curvature detection device is arranged above the through hole and is used for performing curvature monitoring on the cornea.
Optionally, the light emitting device further includes a temperature and humidity sensor, and the temperature and humidity sensor is fixed on the inner side wall of the light emitting cover.
Optionally, the apparatus further includes: and the first input end of the comparison circuit is connected with the temperature and humidity sensor, the second input end of the comparison circuit is externally connected with a preset temperature and humidity threshold value, and the output end of the comparison circuit outputs a comparison result.
Optionally, the comparison circuit is a comparator.
Optionally, the apparatus further includes: and the input end of the prompting module is connected with the output end of the comparison circuit and is used for prompting according to the comparison result.
Optionally, the prompting module is an indicator light.
Optionally, the device further comprises a driving circuit, and the driving circuit is connected with the light-emitting device and is used for driving each light-emitting unit in the light-emitting device to emit light.
Optionally, the corneal curvature monitoring device is a corneal topographer.
Optionally, the light emitting unit is an ultraviolet lamp.
The technical scheme of the utility model has the following advantages:
the utility model provides a light-emitting device for cornea crosslinking, which comprises a light-emitting cover and a plurality of light-emitting units; the luminous cover is hemispherical; the light-emitting units are fixed on the inner side wall of the light-emitting cover and are arranged in an array by taking the sphere center of the light-emitting cover as the center. According to the utility model, the irradiation range can be effectively controlled by arranging the luminous cover, and meanwhile, different cornea positions can be irradiated by different luminous units by arranging the plurality of luminous units in array arrangement, so that the irradiation is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present 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 diagram of a light-emitting cover according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an array circuit of light emitting cells according to an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices 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 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 the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
An embodiment of the present utility model provides a light emitting device for corneal crosslinking, which is applied to occasions of corneal crosslinking, as shown in fig. 1, and includes: a light-emitting cover 1 and a plurality of light-emitting units 2; the luminous cover 1 is hemispherical; the light-emitting units 2 are fixed on the inner side wall of the light-emitting cover 1 and are arranged in an array with the center of the sphere of the light-emitting cover 1 as the center. Specifically, the light emitting units 2 are densely arranged on the inner side wall of the light emitting cover 1 in a circumferential array mode, the light emitting cover 1 is directly buckled on the cornea in the use process, the irradiation range can be effectively controlled, and meanwhile, through the arrangement of the plurality of light emitting units 2 arranged in an array mode, different cornea positions can be irradiated by different light emitting units 2, and the irradiation is more accurate.
Specifically, in an embodiment, the device further includes a corneal curvature detecting device, the center of the light-emitting cover 1 is provided with a through hole 4, and the corneal curvature detecting device is disposed above the through hole 4 and is used for monitoring the curvature of the cornea. Specifically, air can freely circulate between the inner side and the outer side of the luminous cover 1 through the through hole 4, and the cornea curvature monitoring device can scan the cornea surface through the through hole 4 to obtain curvature data of each position of the cornea.
Specifically, in an embodiment, the light-emitting device further includes a temperature and humidity sensor 3, and the temperature and humidity sensor 3 is fixed on the inner sidewall of the light-emitting cover 1. Specifically, the temperature and humidity sensor 3 is used to monitor the temperature and humidity of the cornea surface.
Specifically, in an embodiment, the apparatus further includes: and the first input end of the comparison circuit is connected with the temperature and humidity sensor 3, the second input end is externally connected with a preset temperature and humidity threshold value, and the output end outputs a comparison result. Specifically, when the temperature is too high or the humidity is too low, burns may be caused to the cornea, and the temperature and humidity change can be monitored in real time through the comparison circuit, so that possible injuries can be found in time.
Specifically, in one embodiment, the comparison circuit is a comparator.
Specifically, in an embodiment, the apparatus further includes: and the input end of the prompting module is connected with the output end of the comparison circuit and is used for prompting according to the comparison result. Specifically, when the temperature is too high or the humidity is too low, the doctor is prompted to flush the surface of the cornea of the surgical eye with the riboflavin dextran solution and the surface anesthetic to maintain the temperature and humidity of the surface of the cornea, so that burn is prevented.
Specifically, in an embodiment, the prompting module is an indicator light. Specifically, the prompt indication module can also be a voice prompt, a buzzer or a display screen prompt. The prompt indication module can also be a voice prompt, a buzzer or a display screen prompt to remind a doctor to process in time, keep the temperature and the humidity of the cornea surface and prevent burn.
Specifically, in an embodiment, the device further includes a driving circuit, where the driving circuit is connected to the light emitting device, and is used to drive each light emitting unit 2 in the light emitting device to emit light. Specifically, the light emitting units 2 are electrically connected in a plurality of rows and a plurality of columns. For example, in the light emitting array formed by n rows and m columns of light emitting cells 2 and the circuit connection method thereof shown in fig. 2, when the lead of the row k is at the high level and the lead of the column j is at the low level, the light emitting cells 2Dkj are turned on. n rows lead out n wires and m columns lead out m wires, so the array of light emitting units 2 leads out n+m wires in total, which wires are packaged into a cable for connection to the light emitting array driving circuit. The control of the light-emitting unit can be conveniently realized through the driving circuit, the device performance is improved, the whole energy consumption is reduced, and the cost is reduced.
Specifically, in one embodiment, the corneal curvature monitoring device is a corneal topographer. Specifically, the method can also be an ultrasonic scanning device, OCT and the like.
Specifically, in one embodiment, the light emitting unit 2 is an ultraviolet lamp. Specifically, the ultraviolet lamp is a 370nm ultraviolet LED or LCD with high density and adjustable brightness. In the irradiation process, 370nm ultraviolet light irradiates the cornea infiltrated with riboflavin, so that collagen fibers in the cornea can generate collagen crosslinking reaction, the strength of the cornea fiber lamellar structure is enhanced, and stress is generated in the cornea fiber lamellar structure; under stress, the cornea portion with the larger curvature is flattened, the curvature is reduced, and the refractive power is reduced.
Specifically, the irradiation range can be effectively controlled by arranging the luminous cover 1, and meanwhile, different cornea positions can be irradiated by different luminous units 2 by arranging the plurality of luminous units 2 which are arranged in an array, so that the irradiation is more accurate.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A light emitting device for corneal crosslinking, the device comprising: a light emitting cover and a plurality of light emitting units; the luminous cover is hemispherical; the light-emitting units are fixed on the inner side wall of the light-emitting cover and are arranged in an array with the center of the sphere of the light-emitting cover as the center.
2. The light-emitting device for corneal crosslinking according to claim 1, further comprising a corneal curvature detection device, wherein a through hole is provided in the center of the light-emitting cover, and the corneal curvature detection device is provided above the through hole for curvature detection of the cornea.
3. The light-emitting device for corneal crosslinking of claim 1, further comprising a temperature and humidity sensor secured to an inside wall of the light-emitting cover.
4. A light emitting device for corneal crosslinking according to claim 3, further comprising: and the first input end of the comparison circuit is connected with the temperature and humidity sensor, the second input end of the comparison circuit is externally connected with a preset temperature and humidity threshold value, and the output end of the comparison circuit outputs a comparison result.
5. The light-emitting device for corneal crosslinking of claim 4, wherein the comparison circuit is a comparator.
6. The light-emitting device for corneal crosslinking of claim 4, further comprising: and the input end of the prompting module is connected with the output end of the comparison circuit and is used for prompting according to the comparison result.
7. The light-emitting device for corneal crosslinking of claim 6, wherein the indicator module is an indicator light.
8. The light-emitting device for corneal crosslinking according to claim 1, further comprising a driving circuit connected to the light-emitting device for driving each light-emitting unit in the light-emitting device to emit light.
9. The light emitting device for corneal crosslinking of claim 1, wherein the corneal curvature monitoring device is a corneal topographer.
10. The light-emitting device for corneal crosslinking according to claim 1, wherein the light-emitting unit is an ultraviolet light lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916809.5U CN218899910U (en) | 2022-07-22 | 2022-07-22 | Light-emitting device for cornea crosslinking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916809.5U CN218899910U (en) | 2022-07-22 | 2022-07-22 | Light-emitting device for cornea crosslinking |
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| Publication Number | Publication Date |
|---|---|
| CN218899910U true CN218899910U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221916809.5U Active CN218899910U (en) | 2022-07-22 | 2022-07-22 | Light-emitting device for cornea crosslinking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695527A (en) * | 2023-11-14 | 2024-03-15 | 超目科技(北京)有限公司 | Cornea crosslinking system |
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2022
- 2022-07-22 CN CN202221916809.5U patent/CN218899910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695527A (en) * | 2023-11-14 | 2024-03-15 | 超目科技(北京)有限公司 | Cornea crosslinking system |
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