CN217588300U - Ametropia principle display board - Google Patents

Abstract

The utility model relates to a medical teaching aid technical field especially relates to a ametropia principle show board. The display board comprises a display board, a magnetic suction device and a light source, wherein an eyeball plane figure is arranged on the display board and comprises a cornea view, a crystalline lens view and a retina view, the magnetic suction device is arranged on one side of the display board opposite to the side provided with the eyeball plane figure, and the magnetic suction device is used for changing the forms of the crystalline lens view and the retina view; the light source passes through the light inlet end of the cornea view and the lens view from the outside of the eyeball plane view to form a light source path which can independently shine, and the principles of emmetropia, hyperopia and myopia are demonstrated. The novel ametropia demonstration instrument is simple in structure, easy to operate and capable of fully demonstrating the principle of ametropia.

Description

Ametropia principle display board

Technical Field

The utility model belongs to the technical field of medical teaching aid technique and specifically relates to a ametropia principle show board is related to.

Background

Ametropia is the most common disease in ophthalmology, and means that when the eye does not use accommodation, parallel rays cannot form a clear object image on the retina after passing through the refractive action of the eye, and the object image is formed in front of or behind the retina. Ametropia belongs to the key content in ophthalmology teaching. At present, the principle of formation of ametropia is displayed in the teaching process in a picture form, students only can obtain static images, and dynamic relation formed by change of front and back diameters of eyeballs and ametropia cannot be displayed.

Therefore, it is very important to design a set of teaching aid which has simple structure and easy operation and can fully show the ametropia principle.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, or at least partially solve the above technical problems, the present disclosure provides a display board based on ametropia, comprising a display board, a magnetic attraction device and a light source, wherein an eyeball plane is arranged on the display board,

the eyeball plane figure comprises a cornea view, a lens view and a retina view, the magnetic suction device is arranged on the side, opposite to the eyeball plane figure, of the display board, and the magnetic suction device is used for changing the shapes of the lens view and the retina view;

the light source passes through the light inlet end of the cornea view and the lens view from the outside of the eyeball plane view to form an orthoscopic eye light source path, a hyperopic eye light source path and a myopic eye light source path which can be independently lightened.

Optionally, the light source is a touch light source, and the emmetropic eye light source path, the hyperopic eye light source path, and the myopic eye light source path formed by the light source are respectively provided with a touch point, and the touch point is used for controlling the opening or closing of the emmetropic eye light source path, the hyperopic eye light source path, and the myopic eye light source path.

Optionally, the outer contours of the lens view and the retina view are magnetic cords.

Optionally, the device is inhaled to magnetism includes mounting panel and two magnet, the mounting panel sets up the part that eyeball plan corresponds, just be provided with two guide rails on the mounting panel, two the guide rail corresponds the setting respectively and is in the lens view with the position at retina view rear portion, just the guide rail is followed the horizontal direction of lens view extends the setting, two magnet respectively with two guide rail sliding connection, and two magnet respectively with the lens view with the rear portion magnetism of retina view is connected.

Optionally, a light shielding plate is arranged between the display plate and the magnetic suction device, and the display plate is fully paved with the light shielding plate.

Optionally, the display board is provided with an outer frame.

Optionally, a support is arranged at the bottom end of the display board.

Optionally, the light source is a charging light source.

Compared with the prior art, this disclosed beneficial effect is: the present disclosure shows the principle of ametropia by providing an eyeball plan on a decorative plate and providing a magnetic attraction means to magnetically cooperate with a lens view and a retina view on the eyeball plan to change the morphology of the lens view and the retina view, and providing corresponding independently-lit light source paths according to the morphology different from the lens view and the retina view. The novel ametropia demonstration instrument is simple in structure, easy to operate and capable of fully demonstrating the principle of ametropia.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of the light source path, lens view 41 and retina view 42 in an emmetropic state according to the present disclosure;

FIG. 2 is a schematic view of the light source path, lens view 41 and retina view 42 in a myopic eye state of the present disclosure;

FIG. 3 is a schematic view of the configuration of the light source path, lens view 41 and retinal view 42 in the presbyopic state of the present disclosure;

fig. 4 is a schematic structural view of the magnetic attraction device and the display board of the present disclosure.

Wherein, 1-a display board; 2-magnetic attraction device; 21-mounting a plate; 22-a magnet; 23-a guide rail; 30-emmetropic eye light source path; 31-presbyopic light source path; 32-myopia light source path; 40-view of cornea; 41-lens view; 42-retinal view.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1 to 3, the present disclosure provides a display board of ametropia principle, including a display board 1, a magnetic attraction device 2 and a light source, where the display board 1 may be a white board, a light-transmitting board, etc., the present disclosure specifically selects a white board, and the light source may be an LED lamp set, a lamp tube, etc. arranged inside the display board 1, and the present disclosure specifically selects an LED lamp set and the color of the light forms a contrast with the display board 1, so as to clearly show the path of the light; an eyeball plane view is arranged on the display board 1, the eyeball plane view of the present disclosure comprises a cornea view 40, a crystalline lens view 41 and a retina view 42, the magnetic attraction device 2 is arranged on one side of the display board 1 opposite to the eyeball plane view, and the magnetic attraction device 2 is used for changing the forms of the crystalline lens view 41 and the retina view 42; preferably, the magnetic attraction device 2 of the present disclosure, in cooperation with the variable lens view 41 and the retina view 42, may change the form thereof by selecting that the lens view 41 and the retina view 42 are composed of a laminated sheet, and the magnetic attraction device 2 may be magnetically connected to one of the laminated sheets, and may change the form of the lens view 41 and the retina view 42 by dragging the laminated sheet, so as to achieve the process of showing the ametropia varying away from the axis of the eye;

more preferably, the present disclosure selects a mode of changing the configurations of the lens view 41 and the retina view 42 by setting the outer contours of the lens view 41 and the retina view 42 as flexible wires, such as braided wires, braided nylon wires, and soft rubber materials, the colors of which are contrasted with the color of the display board 1 so as to clearly display the changes of the respective views and configurations, and the present disclosure specifically selects braided wires, sets the braided wires in the normal configuration of the outer contours of the lens view 41 and the retina view 42, and fixes the front end on the display board, wherein the specific fixing range is changed without affecting the configuration of the lens view 41 and the retina view 42 elongated along the axis of the eye. Specifically, the cornea view 40 is a fixed structure, the lens view 41 is divided into two parts based on a vertical central axis, the part near the cornea view 40 is fixed, the other part is a movable end, and the retina view 42 is fixed in the same way as the lens view 41. In order to embody the principle of ametropia in the present embodiment, magnetic members magnetically engaged with the magnetic attracting device 2 may be disposed at the positions of the two magnets 22, the rear end portion of the lens view 41 and the macula of the retina view 42, and the magnetic members may be magnets, iron blocks, iron wires, etc. since the outer contour is a flexible wire, the deformation of lengthening or shortening the axis of the eye may occur in the lens view 41 and the retina view 42, of course, the magnetic members may be disposed at other positions of the lens view 41 and the retina view 42 for other teaching purposes; the magnetic attraction device 2 is provided with an installation plate 21 and two magnets 22, the installation plate 21 is arranged on a part corresponding to an eyeball plane, the installation plate 21 is arranged on a part corresponding to the eyeball plane, two guide rails 23 are arranged on the installation plate 21, the two guide rails 23 are respectively arranged at positions (positions of magnetic parts) corresponding to the rear end parts of the lens view 41 and the retina view 42, in order to achieve the purpose of lengthening or shortening the axis of the eye, the guide rails 23 are arranged in an extending mode along the horizontal direction of the lens view 41, the two magnets 22 are respectively connected with the two guide rails 23 in a sliding mode, the two magnets 22 are respectively matched with the magnetic parts at the rear end parts of the lens view 41 and the macula lutea of the retina view 42 in a magnetic attraction mode, and the shapes of the lens view 41 and the retina view 42 can be changed by only dragging the magnets 22 on the guide rails 23 during teaching.

Further, in the demonstration of the principle of ametropia, the position of the light source projected on the cornea and the specific and different angles of the incident light are different, so that the light source passes through the light inlet end of the cornea view 40 and the lens view 41 from the outside of the eyeball plan view to form an emmetropia light source path 30, a hyperopia light source path 31 and a myopia light source path 32 which can be independently lightened for distinction during teaching, and the three light paths can be set into different forms according to actual needs, such as the angle of the incident light, the angle of light refraction and the convergence point of the light on the retina view 42 after the light passes through the lens for refraction; preferably, the light source may be a touch light source and an individual switch light source, in order to facilitate teaching without repeatedly pressing a switch, the light source of the present disclosure selects the touch light source, and the front-view light source path 30, the far-view light source path 31, and the near-view light source path 32 formed by the light source are respectively provided with touch points, so that a teacher only needs to click with a stylus or a finger to control the front-view light source path 30, the far-view light source path 31, and the near-view light source path 32 to be turned on or off.

In some embodiments of the present disclosure, a light shielding plate is disposed between the display board 1 and the magnetic attraction device 2, and the display board 1 is fully paved with the light shielding plate for avoiding the appearance of the shadow of the magnetic attraction device 2 on the display board; in order to prevent damage and the pollution of show board 1, this disclosure can be provided with the outline with show board 1, can contact the outline and do not touch the face of show board 1 when needs are accomodate and are removed show board 1 to be provided with the support in 1 bottom of show board, so that better place show board 1.

The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An ametropia principle display board, which is characterized by comprising a display board (1), a magnetic attraction device (2) and a light source, wherein an eyeball plane figure is arranged on the display board (1),

the eyeball plan comprises a cornea view (40), a lens view (41) and a retina view (42), the magnetic attraction device (2) is arranged on the side of the display board (1) opposite to the side where the eyeball plan is arranged, and the magnetic attraction device (2) is used for changing the shapes of the lens view (41) and the retina view (42);

the light source passes through the light inlet end of the cornea view (40) and the lens view (41) from the outside of the eyeball plane view to form an orthoscopic eye light source path (30), a hyperopic eye light source path (31) and a myopic eye light source path (32) which can independently brighten.

2. The ametropia principle display board according to claim 1, wherein the light source (4) is a touch light source, and the emmetropic eye light source path (30), the hyperopic eye light source path (31) and the myopic eye light source path (32) formed by the light source are respectively provided with touch points for controlling the on and off of the emmetropic eye light source path (30), the hyperopic eye light source path (31) and the myopic eye light source path (32).

3. The ametropia display board according to claim 1, characterized in that the outer contours of the lens view (41) and the retina view (42) are flexible wires, and the rear ends of the lens view (41) and the retina view (42) are provided with magnetic pieces magnetically matched with the magnetic attracting device (2).

4. The ametropia principle display board according to claim 3, wherein the magnetic attraction device (2) comprises a mounting plate (21) and two magnets (22), the mounting plate (21) is arranged at a part corresponding to the eyeball plane, the mounting plate (21) is provided with two guide rails (23), the two guide rails (23) are respectively arranged at positions corresponding to the rear parts of the lens view (41) and the retina view (42), the guide rails (23) extend along the horizontal direction of the lens view (41), the two magnets (22) are respectively connected with the two guide rails (23) in a sliding manner, and the two magnets (22) are respectively connected with the rear parts of the lens view (41) and the retina view (42) in a magnetic manner.

5. The ametropia principle display board according to claim 1, wherein a light shielding plate is arranged between the display board (1) and the magnetic suction device (2), and the display board (1) is paved with the light shielding plate.

6. Ametropia display board according to claim 1, characterized in that the display board (1) is provided with an outer frame.

7. The ametropia display board according to claim 1, characterized in that the bottom end of the display board (1) is provided with a stand.

8. The ametropia displaying board according to claim 1, wherein the light source is a charged light source.

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