Orthokeratology lens wearing risk factor self-evaluation turntable
By introducing a limiting block and limiting protrusion into the self-assessment turntable for orthokeratology lens wear risk factors, the problems of easy damage and misalignment of the turntable are solved, achieving rotational stability and self-assessment accuracy, and extending the lifespan of the turntable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
- Filing Date
- 2025-01-21
- Publication Date
- 2026-05-19
AI Technical Summary
The existing orthokeratology lens wear risk assessment dial is prone to damage and misalignment during prolonged use, affecting its lifespan.
A self-assessment turntable for orthokeratology lens wear risk factors was designed. By setting a limiting block and a limiting protrusion inside the rotating sleeve, the rotation of the assessment turntable and the connecting plate is restricted to prevent misalignment and jamming. A through shaft and support rod structure is used for limiting to ensure smooth rotation.
It improves the lifespan of the turntable, ensures the stability and accuracy of the rotation process, facilitates patients' self-assessment of risk factors for orthokeratology lenses, and reduces the risk of turntable damage.
Smart Images

Figure CN224251625U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical auxiliary equipment technology, and in particular to a self-assessment turntable for risk factors of orthokeratology lens wear. Background Technology
[0002] Orthokeratology lenses, using a reverse geometry design, are rigid contact lenses that are worn overnight to flatten the central corneal curvature, thereby improving vision and visual quality. They are a clinical correction method that temporarily reduces a certain amount of myopia. However, most orthokeratology lenses are not worn in hospitals; patients need to assess the risks of wearing them based on their own experience. Therefore, long-term self-risk assessment at home is necessary. Existing self-assessment wheels, due to prolonged use, often suffer damage or misalignment. Therefore, this application proposes a self-assessment wheel for orthokeratology lens wearing risk factors. Utility Model Content
[0003] The purpose of this invention is to address the problem in the background technology that the rotating disc often gets damaged or misaligned due to prolonged use, and to propose a self-assessment rotating disc for the risk factors of orthokeratology lens wearers.
[0004] The technical solution of this utility model: a self-assessment turntable for risk factors of orthokeratology lens wearer, including a display turntable and a self-assessment mechanism rotatably connected to one side of the display turntable. The self-assessment mechanism includes a through shaft passing through one side of the display turntable. One end of the outer wall of the through shaft is sequentially connected to an assessment turntable, a connecting plate, and a symptom turntable. The outer walls of the assessment turntable, the connecting plate, and the symptom turntable are provided with a limit mechanism.
[0005] The limiting mechanism includes a rotating sleeve rotatably connected to the outer wall of the evaluation turntable and the connecting plate. Multiple limiting blocks are fixedly connected to the inner wall of the rotating sleeve, and multiple limiting shafts are fixedly connected to one side of the outer wall of the rotating sleeve. The multiple limiting shafts are slidably connected to one side of the outer wall of the symptom turntable.
[0006] Optionally, a through-hole is provided on one side of the outer wall of the rotating sleeve, and a support rod is slidably connected to the inner wall of the through-hole. One end of the support rod is fixedly connected to an evaluation turntable, and the evaluation turntable and the connecting plate are sequentially sleeved on one side of the limiting block.
[0007] Optionally, a connecting rod is fixedly connected to the rear end of the symptom turntable, and a bearing ring is fitted on the end of the connecting rod away from the symptom turntable, and a fixing plate is fitted on the outer wall of the bearing ring.
[0008] Optionally, the outer wall of the through shaft is fitted with a plurality of limiting protrusions, and the plurality of limiting protrusions are all located on one side of the evaluation turntable, the connecting turntable and the symptom turntable.
[0009] Optionally, a support frame is fixedly connected to the bottom of the evaluation turntable, and a fixing seat is fitted onto one end of the outer wall of the support frame.
[0010] Optionally, a symptom sticker board is fixedly connected to the outer wall of the symptom turntable, and the outer wall of the symptom sticker board is covered with stickers with different symptoms written on them.
[0011] Optionally, a display opening is provided at the top of the outer wall of the display turntable, and a symptom-corresponding opening is provided on the side of the display turntable away from the top display opening.
[0012] Compared with the prior art, this application includes at least one of the following beneficial technical effects:
[0013] This invention uses a limiting block inside the rotating sleeve to limit the evaluation turntable and connecting plate. When the internal evaluation turntable needs to rotate, the support rod is pulled to rotate within the through-hole. The evaluation turntable can rotate within the rotating sleeve by the limiting block, which facilitates quick self-evaluation by the user. Furthermore, multiple limiting protrusions on the outer wall of the through shaft limit the evaluation turntable and connecting plate, preventing the entire turntable from deviating and getting stuck during rotation, thus avoiding damage to the internal plate and effectively improving its service life. Attached Figure Description
[0014] Figure 1 A three-dimensional structural diagram of the self-assessment turntable for risk factors of orthokeratology lens wear is provided;
[0015] Figure 2 for Figure 1 A schematic diagram of the exploded structure;
[0016] Figure 3 This is a schematic diagram of the connecting rod connection structure;
[0017] Figure 4 The symptom list is displayed on the symptom sticky board, and the evaluation list is displayed on the evaluation carousel.
[0018] Reference numerals: 1. Display turntable; 2. Through shaft; 3. Display port; 4. Symptom corresponding port; 5. Assessment turntable; 6. Connecting plate; 7. Rotating sleeve; 8. Limiting block; 9. Limiting shaft; 10. Symptom turntable; 11. Connecting rod; 12. Bearing ring; 13. Fixing plate; 14. Limiting protrusion; 15. Fixing seat; 16. Support frame; 17. Through port; 18. Support rod; 19. Symptom adhesive plate. Detailed Implementation
[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0020] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
[0021] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] Example 1
[0026] like Figure 1 and Figure 2As shown, the orthokeratology lens wearer risk factor self-assessment turntable proposed in this utility model includes a display turntable 1 and a self-assessment mechanism rotatably connected to one side of the display turntable 1. The self-assessment mechanism includes a through shaft 2 passing through one side of the display turntable 1. One end of the outer wall of the through shaft 2 is sequentially connected to an assessment turntable 5, a connecting plate 6, and a symptom turntable 10. By setting up the self-assessment mechanism, the device can be rotated to a position suitable for its own symptoms by using the symptom list on the symptom sticker plate 19 and the evaluation list on the assessment turntable to determine what measures should be taken, thus better helping patients with self-assessment.
[0027] It is necessary to describe in addition, such as Figure 2 and Figure 3 As shown, the outer walls of the assessment turntable 5, connecting plate 6, and symptom turntable 10 are provided with limiting mechanisms. These limiting mechanisms include a rotating sleeve 7 rotatably connected to the outer walls of the assessment turntable 5 and connecting plate 6. Multiple limiting blocks 8 are fixedly connected to the inner wall of the rotating sleeve 7, limiting the assessment turntable 5 and connecting plate 6. Multiple limiting shafts 9 are fixedly connected to one side of the outer wall of the rotating sleeve 7, and these shafts 9 are slidably connected to one side of the outer wall of the symptom turntable 10. By setting the limiting shafts 9, the symptom turntable 10 can rotate within the limits set by the rotating sleeve 7. A through-hole 17 is provided on one side of the outer wall of the rotating sleeve 7. A support rod 18 is slidably connected to the inner wall of the through-hole 17. One end of the support rod 18 is fixedly connected to the evaluation turntable 5. The evaluation turntable 5 and the connecting plate 6 are sequentially sleeved on one side of the limiting block 8. By pulling the support rod 18 to rotate within the through-hole 17, the evaluation turntable 5 can rotate within the rotating sleeve 7 by being limited by the limiting block 8. The outer wall of the through shaft 2 is sleeved with multiple limiting protrusions 14. The multiple limiting protrusions 14 are all located on one side of the evaluation turntable 5, the connecting plate 6 and the symptom turntable 10. Through the multiple limiting protrusions 14 on the outer wall of the through shaft 2, the evaluation turntable 5 and the connecting plate 6 can be limited, so that the device will not be misaligned or jammed when rotating.
[0028] In this embodiment, the limiting block 8 inside the rotating sleeve 7 limits the assessment turntable 5 and the connecting plate 6. When the internal assessment turntable 5 needs to rotate, the support rod 18 is pulled to rotate within the through opening 17, allowing the assessment turntable 5 to rotate within the rotating sleeve 7 by the limiting block 8. Multiple limiting protrusions 14 on the outer wall of the through shaft 2 limit the assessment turntable 5 and the connecting plate 6, preventing the device from deviating or getting stuck when rotating. Through the rotation of the symptom sticker 19 and the assessment turntable 5, the patient can rotate to the appropriate position for their symptoms by referring to the symptom list on the symptom sticker 19 and the evaluation list on the assessment turntable 5, in order to determine what measures they should take and better help the patient self-assess.
[0029] Example 2
[0030] like Figure 3 As shown, based on Embodiment 1, a connecting rod 11 is fixedly connected to the rear end of the symptom turntable 10. A bearing ring 12 is sleeved on the end of the connecting rod 11 away from the symptom turntable 10. A fixing plate 13 is sleeved on the outer wall of the bearing ring 12. By setting the bearing ring 12, the symptom turntable 10 can rotate. By setting the fixing plate 13, the device can be fixed to the outside.
[0031] In addition, such as Figure 2 As shown, a support frame 16 is fixedly connected to the bottom of the evaluation turntable 5. A fixed seat 15 is fitted onto one end of the outer wall of the support frame 16. The device is supported by the fixed seat 15 and the support frame 16.
[0032] And, as Figure 4 As shown, a symptom sticker plate 19 is fixedly connected to the outer wall of the symptom turntable 10. The outer wall of the symptom sticker plate 19 is covered with stickers with different symptoms written on them. By setting the outer wall of the symptom sticker plate 19 to be covered with stickers with different symptoms written on them, patients can judge their own condition based on their symptoms.
[0033] It should be added that, such as Figure 1 As shown, a display port 3 is provided at the top of the outer wall of the display turntable 1, and a symptom-corresponding port 4 is provided on the side of the display turntable 1 away from the top display port 3. By setting the display port 3 and the symptom-corresponding port 4, the device can perform self-assessment based on the symptoms and assessments displayed by the display port 3 and the symptom-corresponding port 4.
[0034] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A self-evaluation wheel for contact lens wearing risk factors, comprising a display wheel (1) and a self-evaluation mechanism rotatably connected to one side of the display wheel (1), characterized in that: The self-assessment mechanism includes a through shaft (2) that runs through one side of the display turntable (1). One end of the outer wall of the through shaft (2) is sequentially connected to an assessment turntable (5), a connecting plate (6), and a symptom turntable (10). The outer walls of the assessment turntable (5), the connecting plate (6), and the symptom turntable (10) are provided with a limit mechanism. The limiting mechanism includes a rotating sleeve (7) rotatably connected to the outer wall of the evaluation turntable (5) and the connecting plate (6). Multiple limiting blocks (8) are fixedly connected to the inner wall of the rotating sleeve (7), and multiple limiting shafts (9) are fixedly connected to one side of the outer wall of the rotating sleeve (7). The multiple limiting shafts (9) are slidably connected to one side of the outer wall of the symptom turntable (10).
2. The contact lens fitting risks self-assessment wheel of claim 1, wherein, A through-hole (17) is provided on one side of the outer wall of the rotating sleeve (7). A support rod (18) is slidably connected to the inner wall of the through-hole (17). An evaluation turntable (5) is fixedly connected to one end of the support rod (18). The evaluation turntable (5) and the connecting plate (6) are sequentially sleeved on one side of the limiting block (8).
3. The contact lens fitting risks self-assessment wheel of claim 1, wherein, A connecting rod (11) is fixedly connected to the rear end of the symptom turntable (10). A bearing ring (12) is fitted on the end of the connecting rod (11) away from the symptom turntable (10). A fixing plate (13) is fitted on the outer wall of the bearing ring (12).
4. The contact lens fitting risks self-evaluation wheel of claim 1, wherein, The outer wall of the through shaft (2) is fitted with a plurality of limiting protrusions (14), and the plurality of limiting protrusions (14) are all located on one side of the evaluation turntable (5), the connecting plate (6) and the symptom turntable (10).
5. The contact lens fitting risks self-assessment wheel of claim 1, wherein, The bottom end of the evaluation turntable (5) is fixedly connected to a support frame (16), and a fixed seat (15) is sleeved on one end of the outer wall of the support frame (16).
6. The contact lens fitting risks self-assessment wheel of claim 1, wherein, The outer wall of the symptom turntable (10) is fixedly connected to a symptom sticking board (19), and the outer wall of the symptom sticking board (19) is covered with sticky paper with different symptoms written on it.
7. The contact lens fitting risks self-assessment wheel of claim 1, wherein, The display turntable (1) has a display port (3) at the top of its outer wall, and a symptom-corresponding port (4) is provided on the side of the display turntable (1) away from the top display port (3).