Retinopathy examination device
By designing a retinal lesion examination device with a fixed stand and light-shielding components, the problems of unstable patient fixation and photophobia were solved, thus achieving both accuracy and comfort in the detection of diabetic retinopathy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINESE PEOPLES LIBERATION ARMY ARMY SPECIAL MEDICAL CENTER
- Filing Date
- 2026-02-27
- Publication Date
- 2026-05-12
AI Technical Summary
Existing examination devices are ineffective in suppressing head displacement and glare due to instability and photophobia, resulting in decreased image acquisition quality, especially in the screening and diagnosis of diabetic retinopathy, which affects the accuracy of examination results.
A device for examining retinal diseases was designed, including a fixed platform and a light-blocking component. The fixed platform achieves stable fixation of the patient's head through structures such as a sliding table, a lifting cylinder, a rotating cylinder, and a filling mesh. The light-blocking component gradually blocks light through a light-blocking flip cover and a black liquid component to reduce light interference.
It effectively fixes the patient's head, reduces the influence of light, improves the accuracy and comfort of examination results, and ensures the quality of retinopathy detection in diabetic patients.
Smart Images

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Abstract
Description
Technical Field
[0001] This invention relates to the field of medical device technology, specifically to a device for examining retinal diseases. Background Technology
[0002] In the screening and diagnosis of diabetic retinopathy, the difficulty in patient cooperation due to unstable fixation and photophobia is a key technical bottleneck affecting the quality of image acquisition.
[0003] Regarding fixation, existing examination devices with forehead rests and chin supports are insufficient to effectively suppress micro-movements caused by physiological tremors or limited mobility in patients. This involuntary head shift results in blurred images in fundus photography and introduces motion artifacts in optical coherence tomography (OCT), severely interfering with the assessment of fine retinal structures. Meanwhile, in terms of managing photophobia, the intense light stimulation at the moment of shooting can trigger the patient's instinctive eye-closing reflex, directly leading to shooting failure. Moreover, the continuous discomfort from glare also makes it difficult for them to stabilize their gaze on the target point, causing eye drift and affecting the accurate capture of key lesion areas; Therefore, we propose a device for examining retinal diseases that can effectively fix the patient and reduce the influence of light on the test results. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this invention provides a retinopathy examination device to improve the accuracy of examination results for patients with diabetic retinopathy.
[0005] In a first aspect, the present invention provides a retinal lesion examination device, comprising: an examination body for examining retinal lesions; a fixed frame disposed at one end of the examination body and used to support and fix the head of the patient to be examined; and a light-shielding component rotatably mounted on the examination body and abutting against the fixed frame, and used to shield light.
[0006] Furthermore, the fixed platform includes a slide, a base frame, and a head placement main frame; the base frame is mounted on the slide; and the head placement main frame is located on the base frame. In practical applications, the purpose of this design is to facilitate the fixation of the patient's head, allowing the slide to move closer to the patient's head towards the examination subject, thus enabling efficient and convenient operation.
[0007] Furthermore, the fixed frame also includes two lifting cylinders, one end of which is connected to the main head-placement frame via a transmission connection, and the other end of which is connected to the base frame. In practical applications, the purpose of this design is to more easily fit the heads of different patients, achieving effective fit for various head shapes, and further ensuring a better fit and fixation effect.
[0008] Furthermore, the head placement frame includes a fixed bracket and a movable support frame. One end of the fixed bracket is connected to the movable support frame, and both sides of the fixed bracket are respectively connected to the output shaft of the lifting cylinder. The other end of the fixed bracket is provided with a head abutment section. In practical application, the purpose of this design is to further facilitate the fixation of the patient's head; in practical design, the purpose of the movable support frame is to ensure the fixation of the patient's head from bottom to top.
[0009] Furthermore, the movable support frame includes at least one rotating cylinder, a support hinge, and a filling mesh; the rotating cylinder is installed at one end of the fixed bracket, near the slide table; the support hinge has two locations, hinged together, with either hinge being drively connected to the rotating cylinder; the two sides of the filling mesh are respectively connected to the two support hinges. In practical application, this design, employing a bidirectional relative motion clamping design, effectively maintains clamping on the patient's head; the filling mesh provides support and lift for the patient's jaw, and the two support hinges, under the rotation of the rotating cylinder, ensure a fixed support effect; it not only achieves support and lift but also bidirectional fixation; effectively preventing head movement during actual examination.
[0010] Furthermore, the filling network includes a supporting base net, a filling silicone mesh, and a piezoelectric element, wherein the supporting base net is fixedly connected to the supporting hinge; the filling silicone mesh is disposed on the supporting base net, and the piezoelectric element is disposed on the filling silicone mesh and abuts against the jaw of the patient to be tested; wherein the piezoelectric element generates electricity after being subjected to force. In practical application, the multi-layer network support design adopted in this design effectively ensures the support effect; in the actual design, the filling silicone mesh used in this design is made of flexible silicone material, which reduces discomfort during the fixation process with the patient, while the supporting base net can also achieve effective bottom fixation. Its combined use with the filling silicone mesh can effectively ensure comfort and support fixation effect during the fixation process for the patient; at the same time, the piezoelectric element generates current after being subjected to pressure from the patient's head; this design uses piezoelectric power generation; this design is for the convenience of subsequent work.
[0011] Furthermore, the filling mesh also includes a magnetic fluid and an outer magnetic ring; the outer magnetic ring is installed on the outside of the piezoelectric element and close to it; the filling silicone mesh has multiple grids, evenly distributed; the magnetic fluid is sealed and installed within the grids of the filling silicone mesh; the outer magnetic ring is electrically connected to the piezoelectric element and magnetically connected to the magnetic fluid. In practical applications, the filling silicone mesh in this design has multiple grids; this serves two purposes: to distribute pressure and to facilitate support; the magnetic fluid filling it has is magnetically connected to the outer magnetic ring; when the piezoelectric element generates electricity, it increases the magnetic force of the outer magnetic ring; thus, the outer magnetic ring forms a magnetic attraction effect on the magnetic fluid, facilitating its approach to the patient's face, thereby allowing the filling silicone mesh to more completely cover the patient's face; thus, effective fixation of the patient can be ensured.
[0012] Furthermore, the light-shielding assembly includes a light-shielding flip-top and a black liquid assembly; the light-shielding flip-top is a hollow layer, and the black liquid assembly communicates with the light-shielding flip-top; the black liquid assembly includes a liquid tank, a liquid pump, and a liquid pipe; one end of the liquid pipe communicates with the light-shielding flip-top, and the other end of the liquid pipe communicates with the liquid tank via the liquid pump. In practical application, the purpose of this design is to provide light protection, creating a dark environment in advance to reduce patient discomfort and photophobia; the liquid filling pump method used achieves gradual darkening, effectively enabling patients to gradually adapt; it is convenient and practical, and operates automatically throughout the process.
[0013] As can be seen from the above technical solution, the beneficial effects of the retinal lesion examination device provided by the present invention are as follows: In practical applications, this design achieves accuracy in testing diabetic patients by effectively fixing the patient and reducing light entry. Furthermore, the overall design is reasonable, simple to operate, and effective. By fixing the patient's head and controlling the light, it facilitates testing. Therefore, this device is suitable for industry promotion. Attached Figure Description
[0014] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn to scale.
[0015] Figure 1 This is a left view of a retinal lesion examination device provided in an embodiment of the present invention; Figure 2 This is a front view of the fixed platform in a retinal lesion examination device of the present invention; Figure 3 This is a left view of the head-mounted main frame in a retinal lesion examination device of the present invention. Figure 4for Figure 3 A cross-sectional schematic diagram of AA and a top view schematic diagram of the filled mesh structure in this invention; Figure 5 for Figure 4 Enlarged 3D structural diagram at point B; Figure 6 This is a schematic diagram of the structure of the light-shielding flip cover in this invention; Figure label: The following components are inspected: main body 1, fixed platform 2, light-shielding assembly 3, sliding table 21, base frame 22, head placement main frame 23, fixed bracket 231, head abutment section 2311, movable support frame 232, rotating cylinder 2321, support hinge 2322, filling mesh 2323, support bottom mesh 2300, filling silicone mesh 2301, piezoelectric component 2302, magnetofluid 2303, outer magnetic ring 2304, mesh 2400, lifting cylinder 24, light-shielding flip cover 31, black liquor assembly 32, liquid tank 321, liquid pump 322, and liquid pipe 323. Detailed Implementation
[0016] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.
[0017] The basic implementation examples are as follows: Figures 1 to 6 As shown: like Figures 1-6 As shown in the figure, the retinal disease examination device provided in this embodiment can improve the accuracy of examination results for patients with diabetic retinopathy.
[0018] This invention provides a retinal lesion examination device, comprising: an examination body 1 for examining retinal lesions; a fixing frame 2 disposed at one end of the examination body 1 and used to support and fix the head of the patient to be examined; and a light-blocking component 3 rotatably mounted on the examination body 1 and abutting against the fixing frame 2 for blocking light. In practical applications, this design achieves accurate examination results for diabetic patients by effectively fixing the patient and reducing light entry; the overall design is reasonable, the operation is simple, and the effect is obvious. By fixing the patient's head and controlling light, it facilitates the examination for the patient; therefore, this device is suitable for industry promotion.
[0019] In this embodiment, to improve the fixation effect, the fixation frame 2 includes a slide 21, a base frame 22, and a head placement main frame 23; the base frame 22 is mounted on the slide 21; and the head placement main frame 23 is disposed on the base frame 22. In practical application, the purpose of this design is to facilitate the fixation of the patient's head by moving the slide 21 closer to the patient's head towards the examination body 1, thus enabling effective and convenient operation.
[0020] Meanwhile, to effectively fix patients with different head shapes, in this embodiment, the fixing frame 2 also includes two lifting cylinders 24. One end of the lifting cylinder 24 is connected to the head placement main frame 23, and the other end of the lifting cylinder 24 is connected to the base frame 22. In practical application, the purpose of this design is to more easily fit the heads of different patients, achieve effective fitting for various head shapes, and further ensure the fitting and fixing effect.
[0021] Furthermore, to enhance the fixation effect, in this embodiment, the head placement main frame 23 includes a fixed bracket 231 and a movable support frame 232. One end of the fixed bracket 231 is connected to the movable support frame 232, and both sides of the fixed bracket 231 are respectively connected to the output shaft of the lifting cylinder 24; the other end of the fixed bracket 231 is provided with a head abutment section 2311. In practical application, the purpose of this design is to further facilitate the fixation of the patient's head; in practical design, the purpose of the movable support frame 232 is to ensure the fixation of the patient's head from bottom to top.
[0022] In this embodiment, the movable support frame 232 includes at least one rotating cylinder 2321, a support hinge 2322, and a filling mesh 2323. The rotating cylinder 2321 is installed at one end of the fixed bracket 231, near the slide table 21. The support hinge 2322 has two hinges, with either hinge being drively connected to the rotating cylinder 2321. The two sides of the filling mesh 2323 are respectively connected to the two support hinges 2322. In practical applications, this design, employing a bidirectional relative motion clamping design, effectively maintains clamping on the patient's head. The filling mesh 2323 supports and supports the patient's jaw, and the two support hinges 2322, under the rotation of the rotating cylinder 2321, ensure a fixed support effect. It not only achieves support and fixation but also bidirectional fixation, effectively preventing the patient's head from shaking during actual examination.
[0023] To achieve support and fixation, in this embodiment, the filling mesh 2323 includes a support base mesh 2300, a silicone filling mesh 2301, and a piezoelectric element 2302, wherein the support base mesh 2300 is fixedly connected to the support hinge 2322; the silicone filling mesh 2301 is disposed on the support base mesh 2300, and the piezoelectric element 2302 is disposed on the silicone filling mesh 2301 and abuts against the jaw of the patient to be tested; wherein the piezoelectric element 2302 generates electricity after being subjected to force. In practical application, the multi-layered network support design effectively ensures the support effect. The silicone mesh 2301 used in this design is made of flexible silicone material, which reduces discomfort during patient fixation. Simultaneously, the supporting base mesh 2300 also achieves effective bottom fixation. Its combined use with the silicone mesh 2301 effectively ensures comfort and support during patient fixation. Furthermore, the piezoelectric element 2302 generates current when subjected to pressure from the patient's head; this design utilizes piezoelectric power generation. This design facilitates subsequent work.
[0024] To facilitate face coverage and achieve a more snug fit, in this embodiment, the filling mesh 2323 further includes a magnetic fluid 2303 and an outer magnetic ring 2304. The outer magnetic ring 2304 is installed on the outside of the piezoelectric element 2302 and close to it. The filling silicone mesh 2301 has multiple grids 2400 evenly distributed. The magnetic fluid 2303 is sealed and installed within the grids 2400 of the filling silicone mesh 2301. The outer magnetic ring 2304 is electrically connected to the piezoelectric element 2302 and magnetically connected to the magnetic fluid 2303. In practical applications, the silicone mesh 2301 in this design has multiple meshes 2400; this serves two purposes: to distribute pressure and to facilitate support. The magnetic fluid 2303 inside is magnetically connected to the outer magnetic ring 2304. When the piezoelectric element 2302 generates electricity, it increases the magnetic force of the outer magnetic ring 2304. This creates a magnetic attraction between the outer magnetic ring 2304 and the magnetic fluid 2303, allowing it to move closer to the patient's face and more completely cover the patient's face with the silicone mesh 2301. This ensures effective fixation of the patient.
[0025] In this embodiment, the light-shielding component 3 includes a light-shielding flip-top cover 31 and a black liquid component 32. The light-shielding flip-top cover 31 is a hollow layer, and the black liquid component 32 communicates with the light-shielding flip-top cover 31. The black liquid component 32 includes a liquid tank 321, a liquid pump 322, and a liquid pipe 323. One end of the liquid pipe 323 communicates with the light-shielding flip-top cover 31, and the other end of the liquid pipe 323 communicates with the liquid tank 321 through the liquid pump 322. In practical applications, the purpose of this design is to provide light protection, create a dark environment in advance, and reduce patient discomfort and photophobia. The liquid filling pump method used achieves gradual darkening, effectively enabling patients to gradually adapt. It is convenient, practical, and fully automated.
[0026] In actual operation, the patient's head is first placed on the fixed platform 2, and then the slide 21 is moved to a reasonable detection position. The lifting cylinder 24 and the supporting hinge 2322 are adjusted according to the head shape under the drive of the rotating cylinder 2321. The silicone mesh 2301 of the filling mesh 2323 is fitted and fixed to the patient's head to achieve a fit and fixation. Then, the light-shielding flip cover 31 is flipped over to cover the patient's head and is positioned above the head. The liquid pump 322 is then started to completely fill the light-shielding flip cover 31 with the black liquid in the liquid tank 321. Finally, the patient can be tested through the examination body 1.
[0027] In summary, this retinal disease examination device is not only rationally designed but also simple to operate. It effectively achieves fixation and light blocking, reducing patients' photophobia and providing efficient and accurate examination results for diabetic patients. Therefore, this device is suitable for industry promotion.
[0028] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.
[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.
Claims
1. A device for examining retinal diseases, characterized in that, include: The examination subject is used to examine retinal lesions; A fixed frame, located at one end of the examination body, is used to support and fix the head of the patient to be examined; and A light-shielding assembly is rotatably mounted on the inspection body and abuts against the fixed platform, and is used for light shielding.
2. The retinal lesion examination device according to claim 1, characterized in that, The fixed platform includes a slide, a base frame, and a head placement main frame; the base frame is mounted on the slide; and the head placement main frame is located on the base frame.
3. The retinal lesion examination device according to claim 2, characterized in that, The fixed platform also includes two lifting cylinders, one end of which is connected to the head placement main frame, and the other end of which is connected to the base frame.
4. The retinal lesion examination device according to claim 3, characterized in that, The head placement frame includes a fixed bracket and a movable support frame. One end of the fixed bracket is connected to the movable support frame, and both sides of the fixed bracket are respectively connected to the output shaft of the lifting cylinder. The other end of the fixed bracket is provided with a head abutment section.
5. A retinal lesion examination device according to claim 4, characterized in that, The movable support frame includes at least one rotary cylinder, a support hinge, and a filling mesh; The rotary cylinder is installed at one end of the fixed bracket, closer to the slide table; The support hinge is provided in two places and is hinged, and either of the support hinges is connected to the rotary cylinder in a transmission manner; the two sides of the filling mesh are respectively connected to the two support hinges.
6. The retinal lesion examination device according to claim 5, characterized in that, The filling mesh includes a supporting base mesh, a filling silicone mesh, and a piezoelectric element, wherein the supporting base mesh is fixedly connected to the supporting hinge; the filling silicone mesh is disposed on the supporting base mesh, and the piezoelectric element is disposed on the filling silicone mesh and abuts against the jaw of the patient to be tested; wherein the piezoelectric element generates electricity after being subjected to force.
7. A retinal lesion examination device according to claim 6, characterized in that, The filling network also includes a magnetorheological fluid and an outer magnetic ring; the outer magnetic ring is installed on the outside of the piezoelectric element and close to the piezoelectric element. The silicone mesh is provided with multiple grids, which are evenly distributed; the magnetic fluid seal is inserted into the grids of the silicone mesh; the outer magnetic ring is electrically connected to the piezoelectric element, and the outer magnetic ring is magnetically connected to the magnetic fluid.
8. The retinal lesion examination device according to claim 1, characterized in that, The light-shielding assembly includes a light-shielding flip-top and a black liquor assembly; the light-shielding flip-top is a hollow layer, and the black liquor assembly communicates with the light-shielding flip-top; The black liquor assembly includes a liquid tank, a liquid pump, and a liquid pipe; one end of the liquid pipe is connected to the light-shielding flip cover, and the other end of the liquid pipe is connected to the liquid tank through the liquid pump.