Nine-orientation strabismus camera

By designing a nine-position strabismus camera and utilizing a guide light box and head fixation components, the instability problem of eye position photography for strabismus patients was solved, achieving more efficient and accurate eye position recording, simplifying the operation process, and improving the consistency and reliability of the test.

CN223614810UActive Publication Date: 2025-12-02SHANTOU UNIV·CHINESE UNIV OF HONG KONG JOINT SHANTOU INT OPHTHALMOLOGY CENT
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Patent Information

Application Number
CN202422841562.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-12-02
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Current technology lacks specialized equipment for eye position photography specifically for strabismus patients. The patient's head cannot be fixed, and the test results depend on the examiner's skill and the patient's cooperation, resulting in inconsistent image quality and large errors.

Method used

A nine-directional strabismus camera was designed, including a guide light box, a shooting component, and a head fixation component. The camera guides the patient to look in different directions through eight peripheral bulbs and a central bulb, and performs eye position photography in combination with the camera. The head fixation component ensures the stability of the patient's head.

Benefits of technology

The process of taking pictures has been simplified, patient compliance has been improved, the quality and efficiency of eye position photography have been optimized, and more consistent and accurate eye position records have been provided, providing reliable clinical data for the diagnosis and treatment of strabismus.

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Abstract

The utility model discloses a nine-direction strabismus camera, which belongs to the technical field of medical auxiliary instruments, and comprises a guide lamp box, a lamp holder, and eight peripheral bulbs fixedly mounted on the edge of the lamp holder in the circumferential direction; the shooting assembly comprises a camera and a supporting frame, the camera is installed on the top of the supporting frame, and a center bulb is fixedly installed on the supporting frame beside the camera. The bottom end of the base, the bottom end of the lamp holder and the bottom end of the supporting frame are slidably connected to the axis of the top face of the base, a socket is arranged on one side of the base and electrically connected with a control switch, and the control switch is electrically connected with the eight peripheral bulbs, the center bulb and the camera switch. The head fixing assembly is fixedly connected to the end, away from the shooting assembly and the guiding lamp box, of the base and located on the same axis with the guiding lamp box and the shooting assembly. According to the utility model, the shooting process is simplified, and the compliance of a patient is improved, so that the quality and efficiency of eye position shooting are optimized, more consistent and accurate eye position records are provided, and more reliable clinical data are provided.
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Description

Technical Field

[0001] This utility model belongs to the field of medical auxiliary instrument technology, and in particular relates to a nine-position strabismus camera. Background Technology

[0002] Strabismus, a condition where both eyes cannot simultaneously fixate on a target, is a common ophthalmological condition. Accurately determining the degree of strabismus is crucial for treatment outcomes. Currently, specialized equipment for ocular positioning photography specifically for strabismus patients is lacking in clinical practice. Typically, the examiner must hold a lighting device or optotype to guide the patient's gaze in a specific direction before taking the photograph. Patient photography often uses cameras or mobile phones, but the patient's head cannot be fixed, and they are unaware of the correct eye orientation. The examiner must guide the patient step-by-step, which is time-consuming. The image quality obtained in this process is highly dependent on the examiner's skill and the patient's cooperation. The test results are significantly affected by the examiner's proficiency, resulting in substantial human error.

[0003] To address this, a nine-directional oblique camera is proposed. Utility Model Content

[0004] To address the aforementioned technical issues, simplify the shooting process, improve patient compliance, thereby optimizing the quality and efficiency of eye position photography, providing more consistent and accurate eye position records, and offering more reliable clinical data for the diagnosis and treatment of strabismus, this invention proposes a nine-position strabismus camera.

[0005] To achieve the above objectives, this utility model provides a nine-directional strabismus camera, comprising:

[0006] A guide light box, the guide light box including a light frame, and eight peripheral light bulbs are fixedly installed circumferentially along the edge of the light frame;

[0007] A shooting assembly, comprising a camera and a support frame, wherein the camera is mounted on the top of the support frame and a central light bulb is fixedly mounted on the support frame next to the camera;

[0008] The base, the bottom end of the lamp holder and the bottom end of the support frame are slidably connected to the top surface axis of the base, and a socket is provided on one side of the base. The socket is electrically connected to a control switch, and the control switch is electrically connected to eight peripheral bulbs, one center bulb and a camera switch.

[0009] A head fixing assembly is fixed to one end of the base away from the shooting assembly and the guide light box, and is located on the same axis as the guide light box and the shooting assembly.

[0010] Preferably, the lamp holder is hexagonal in shape, and the eight peripheral bulbs are fixedly installed at the inflection points and the center positions of the upper and lower top surfaces of the lamp holder.

[0011] Preferably, the head fixation assembly includes a U-shaped metal frame, the bottom end of which is fixedly connected to the base, and a forehead support fixedly connected to the top of the U-shaped metal frame, with the middle part of the forehead support protruding forward; a chin support is installed at the bottom of the U-shaped metal frame, and the middle part of the chin support protrudes forward while having a recess.

[0012] Preferably, hollow cylindrical nuts are threadedly connected to one side arm of the U-shaped metal frame, and rings are fixed to both ends of the chin support. The two rings are slidably connected to both sides of the U-shaped metal frame, and the rings are correspondingly positioned above the hollow cylindrical nuts. Marking lines are fixed to both sides of the U-shaped metal frame between the forehead support and the chin support.

[0013] Preferably, the base has a groove, and a slide rail is installed in the groove. The slide rail is T-shaped. The bottom of the lamp holder has a first L-shaped component and a second L-shaped component, which are symmetrically arranged and slidably connected in the grooves on both sides of the slide rail. The bottom of the support frame has a third L-shaped component and a fourth L-shaped component, which are symmetrically arranged and slidably connected in the grooves on both sides of the slide rail.

[0014] Preferably, the socket is electrically connected to a main wire, which is electrically connected to the control switch and then passes through the bottom of the slide rail to be electrically connected to a first branch wire and a second branch wire. The first branch wire passes through the second L-shaped component and is electrically connected to the eight peripheral bulbs respectively, and the second branch wire passes through the fourth L-shaped component and is electrically connected to the center bulb.

[0015] Preferably, there is a gap between the second L-shaped component and the slide rail, and between the fourth L-shaped component and the slide rail, and the first branch line and the second branch line move within the gap.

[0016] Preferably, a flexible arm is fixedly connected to one end of the base away from the head fixing component, and a movable light bulb is fixedly connected to the outer end of the flexible arm. The movable light bulb is electrically connected to the socket.

[0017] Compared with the prior art, the present invention has the following advantages and technical effects:

[0018] The head fixation component secures the patient's head, while the imaging component and guide light box can slide on the base to adjust the appropriate detection distance. Eight peripheral bulbs and one central bulb are positioned at nine different locations. Control switches can individually control the illumination of these bulbs. During photography, the control switches illuminate the bulbs at each of the nine locations, and the patient's eyes focus in the corresponding direction. The camera then records images from each of the nine locations. This invention simplifies the imaging process by fixing the patient's head with the head fixation component and guiding the patient's eyes to focus in different directions using nine different illuminated bulbs for eye positioning photography. This improves patient compliance, optimizes the quality and efficiency of eye positioning photography, and provides more consistent and accurate eye positioning records, offering more reliable clinical data for the diagnosis and treatment of strabismus. Attached Figure Description

[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0020] Figure 1 This is a schematic diagram of the guide light box structure in this utility model;

[0021] Figure 2 This is a schematic diagram of the imaging component structure in this utility model;

[0022] Figure 3 This is a front sectional view of the base in this utility model;

[0023] Figure 4 This is a top view of the base in this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the camera assembly mounted on the base in this utility model;

[0025] Figure 6 This is a schematic diagram of the head fixing component structure in this utility model.

[0026] In the diagram: 8. Peripheral bulb; 9. Lamp stand; 10. First L-shaped component; 11. Second L-shaped component; 12. First branch line; 13. Camera; 14. Center bulb; 15. Support frame; 16. Second branch line; 17. Third L-shaped component; 18. Fourth L-shaped component; 19. Slide rail; 20. Base; 21. Main power cable; 22. Socket; 23. Recess; 24. U-shaped metal frame; 25. Control switch; 26. Flexible arm; 27. Movable bulb; 28. Hollow cylindrical nut; 29. ​​Chin rest; 30. Recess; 31. Marker line; 32. Forehead rest; 33. Ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Reference Figures 1 to 6 As shown, this embodiment provides a nine-directional strabismus camera, including:

[0030] The guide light box includes a light frame 9, and eight peripheral light bulbs 8 are fixedly installed around the edge of the light frame 9.

[0031] The shooting assembly includes a camera 13 and a support frame 15. The camera 13 is mounted on the top of the support frame 15, and a central bulb 14 is fixedly mounted on the support frame 15 next to the camera 13.

[0032] The base 20, the bottom of the lamp holder 9 and the bottom of the support frame 15 are all slidably connected to the top axis of the base 20. A socket 22 is provided on one side of the base 20. The socket 22 is electrically connected to a control switch 25. The control switch 25 is electrically connected to the switches of eight peripheral bulbs 8, one central bulb 14 and camera 13.

[0033] The head fixing component is fixed to the end of the base 20 away from the shooting component and the guide light box, and is located on the same axis as the guide light box and the shooting component.

[0034] The head fixation component secures the patient's head. Both the imaging component and the guide light box can slide on the base 20 to adjust the appropriate detection distance. Eight peripheral bulbs 8 and one central bulb 14 are located in nine different positions. A control switch 25 can control the illumination of these bulbs. During photography, the control switch 25 illuminates the bulbs in each of the nine positions, and the patient's eyes focus in the corresponding direction. The camera 13 then records images from each of the nine positions. This invention simplifies the imaging process by fixing the patient's head with the head fixation component and guiding the patient's eyes to focus in different directions using nine different illuminated bulbs for eye position photography. This improves patient compliance, optimizes the quality and efficiency of eye position photography, and provides more consistent and accurate eye position records, offering more reliable clinical data for the diagnosis and treatment of strabismus.

[0035] The design was further optimized so that the lamp holder 9 is hexagonal in shape, and eight peripheral bulbs 8 are fixedly installed at the inflection points and the center of the top and bottom surfaces of the lamp holder 9.

[0036] Eight peripheral light bulbs 8 are fixedly installed on the lamp holder 9 at eight different positions to facilitate guiding the patient's eyes to different directions.

[0037] Furthermore, an adjustment device can be installed to adjust the brightness of the bulb so that the patient can adapt to the light intensity.

[0038] The design is further optimized. The head fixation component includes a U-shaped metal frame 24, the bottom of which is fixed to the base 20. A forehead support 32 is fixed to the top of the U-shaped metal frame 24, and the middle part of the forehead support 32 protrudes forward. A chin support 29 is installed at the bottom of the U-shaped metal frame 24, and the middle part of the chin support 29 protrudes forward while having a recess 30.

[0039] When using the head fixation component, the patient's forehead rests against the forehead support 32, and the chin rests against the indentation 30 in the middle of the chin support 29, thus fixing the patient's head.

[0040] The design is further optimized by having hollow cylindrical nuts 28 threadedly connected to one side arm of the U-shaped metal frame 24, and rings 33 fixed to both ends of the chin support 29. The two rings 33 are slidably connected to both sides of the U-shaped metal frame 24, and the rings 33 are correspondingly positioned above the hollow cylindrical nuts 28. Marking lines 31 are fixed on both sides of the U-shaped metal frame 24 between the forehead support 32 and the chin support 29.

[0041] The hollow cylindrical nut 28 can be rotated, and it slides up and down on the U-shaped metal frame 24 to limit the position of the ring 33, thereby limiting the height of the chin support 29 to accommodate different head sizes and ensure that the patient's eyes are at the same height as the marker line 31.

[0042] Further optimization of the design: a groove 23 is provided on the base 20, and a slide rail 19 is installed in the groove 23. The slide rail 19 is T-shaped. A first L-shaped component 10 and a second L-shaped component 11 are installed at the bottom of the lamp holder 9. The first L-shaped component 10 and the second L-shaped component 11 are symmetrically arranged and slidably connected in the groove 23 on both sides of the slide rail 19. A third L-shaped component 17 and a fourth L-shaped component 18 are installed at the bottom of the support frame 15. The third L-shaped component 17 and the fourth L-shaped component 18 are symmetrically arranged and slidably connected in the groove 23 on both sides of the slide rail 19.

[0043] The first L-shaped component 10 and the second L-shaped component 11 slide within the grooves 23 on both sides of the slide rail 19, allowing the lamp holder 9 to move back and forth on the base 20. The third L-shaped component 17 and the fourth L-shaped component 18 slide within the grooves 23 on both sides of the slide rail 19, allowing the support frame 15 to move back and forth on the base 20. This allows the imaging component and the guiding component to be adjusted in position relative to the head fixation component to accommodate the distance for imaging different patient eye positions.

[0044] In a further optimized design, the socket 22 is electrically connected to the main wire 21. After the main wire 21 is electrically connected to the control switch 25, it passes through the bottom of the slide rail 19 and is electrically connected to the first branch wire 12 and the second branch wire 16. The first branch wire 12 passes through the second L-shaped component 11 and is electrically connected to the eight peripheral bulbs 8 respectively. The second branch wire 16 passes through the fourth L-shaped component 18 and is electrically connected to the center bulb 14.

[0045] The peripheral bulbs 8 are connected to the power supply through the first branch line 12, the main wire 21, and the socket 22, while the center bulb 14 is connected to the power supply through the second branch line 16, the main wire 21, and the socket 22.

[0046] In a further optimized design, gaps are provided between the second L-shaped component 11 and the slide rail 19, and between the fourth L-shaped component 18 and the slide rail 19, allowing the first dividing line 12 and the second dividing line 16 to move within the gaps.

[0047] The gap provides room for the movement of the wires as the shooting and guiding components slide.

[0048] In a further optimized design, a flexible arm 26 is fixedly attached to one end of the base 20 away from the head fixing component, and a movable light bulb 27 is fixedly attached to the outer end of the flexible arm 26. The movable light bulb 27 is electrically connected to the socket 22.

[0049] The flexible arm 26 is made of bendable metal or plastic, allowing the user to freely adjust the direction of the movable bulb 27. The movable bulb 27 flashes red and can be used as a supplementary guide light source.

[0050] Usage process:

[0051] Before taking the eye position photograph, instruct the patient to place their chin in the depression 30, then rotate the hollow cylindrical nut 28 to adjust the position of the chin rest 29, aligning the patient's eyes with the marker line 31, and instruct the patient to press their forehead against the forehead rest 32. After preparation, the examiner adjusts the position of the guide light box and the imaging component according to the actual situation. The L-shaped components at the bottom of the guide light box and the imaging component are embedded in the groove 23; the examiner only needs to pull them back and forth to move the L-shaped components within the groove 23 to adjust their positions. After adjusting the positions, the examiner turns on the central bulb 14 via the control switch 25 and instructs the patient to look straight ahead, i.e., in the direction of the central bulb 14 and the camera 13, to take the first photograph. Then, twist the flexible arm 26 to align the movable bulb 27 with the patient's right eye, instructing the patient to look at the movable bulb 27 with their right eye, and take a photograph of the right eye looking. Then, align the movable bulb 27 with the patient's left eye, instructing the patient to look at the movable bulb 27 with their left eye, and take a photograph of the left eye looking. After taking the picture, turn off the central bulb 14 and remove the flexible arm 26. Then, the examiner turns on the eight peripheral bulbs 8 in sequence and instructs the patient to look in the direction of the lit peripheral bulb 8. The examiner can let the patient perceive the brightness of the bulb and make corresponding adjustments. Then, take the picture according to the order in which the peripheral bulbs 8 light up. After taking the picture, instruct the patient to close their eyes and rest, and then turn off the instrument.

[0052] Any aspects of this utility model that are not detailed herein are conventional technical means known to those skilled in the art.

[0053] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0054] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A nine-position strabismus camera, characterized in that, include: A guide light box, the guide light box including a light frame (9), and eight peripheral light bulbs (8) are fixedly installed circumferentially along the edge of the light frame (9); The shooting assembly includes a camera (13) and a support frame (15). The camera (13) is mounted on the top of the support frame (15), and a center bulb (14) is fixedly mounted on the support frame (15) next to the camera (13). The base (20), the bottom end of the lamp holder (9) and the bottom end of the support frame (15) are slidably connected to the top surface axis of the base (20), and a socket (22) is provided on one side of the base (20). The socket (22) is electrically connected to a control switch (25). The control switch (25) is electrically connected to the eight peripheral bulbs (8), the central bulb (14) and the camera (13) switch. A head fixing assembly is fixed to one end of the base (20) away from the shooting assembly and the guide light box, and is located on the same axis as the guide light box and the shooting assembly.

2. The nine-directional strabismus camera according to claim 1, characterized in that: The lamp holder (9) is hexagonal in shape, and the eight peripheral bulbs (8) are fixedly installed at the inflection points and the center of the top and bottom surfaces of the lamp holder (9).

3. The nine-directional strabismus camera according to claim 1, characterized in that: The head fixation assembly includes a U-shaped metal frame (24), the bottom end of which is fixed to the base (20), and a forehead support (32) is fixed to the top of the U-shaped metal frame (24), with the middle part of the forehead support (32) protruding forward; a chin support (29) is installed at the bottom of the U-shaped metal frame (24), with the middle part of the chin support (29) protruding forward and having a recess (30).

4. The nine-directional strabismus camera according to claim 3, characterized in that: Hollow cylindrical nuts (28) are threadedly connected to one side arm of the U-shaped metal frame (24). Rings (33) are fixed to both ends of the chin support (29). The two rings (33) are slidably connected to both sides of the U-shaped metal frame (24), and the rings (33) are correspondingly positioned above the hollow cylindrical nuts (28). Marking lines (31) are fixed on both sides of the U-shaped metal frame (24) between the forehead support (32) and the chin support (29).

5. The nine-directional strabismus camera according to claim 1, characterized in that: A groove (23) is provided on the base (20), and a slide rail (19) is installed in the groove (23). The slide rail (19) is T-shaped. A first L-shaped component (10) and a second L-shaped component (11) are installed at the bottom of the lamp holder (9). The first L-shaped component (10) and the second L-shaped component (11) are symmetrically arranged and slidably connected in the groove (23) on both sides of the slide rail (19). A third L-shaped component (17) and a fourth L-shaped component (18) are installed at the bottom of the support frame (15). The third L-shaped component (17) and the fourth L-shaped component (18) are symmetrically arranged and slidably connected in the groove (23) on both sides of the slide rail (19).

6. The nine-directional strabismus camera according to claim 5, characterized in that: The socket (22) is electrically connected to a main wire (21). The main wire (21) is electrically connected to the control switch (25) and then passes through the bottom of the slide rail (19) to be electrically connected to a first branch wire (12) and a second branch wire (16). The first branch wire (12) passes through the second L-shaped component (11) and is electrically connected to the eight peripheral bulbs (8) respectively. The second branch wire (16) passes through the fourth L-shaped component (18) and is electrically connected to the center bulb (14).

7. The nine-directional strabismus camera according to claim 6, characterized in that: A gap is provided between the second L-shaped component (11) and the slide rail (19) and between the fourth L-shaped component (18) and the slide rail (19), and the first dividing line (12) and the second dividing line (16) move within the gap.

8. The nine-directional strabismus camera according to claim 1, characterized in that: A flexible arm (26) is fixedly connected to one end of the base (20) away from the head fixing component. A movable light bulb (27) is fixedly connected to the outer end of the flexible arm (26). The movable light bulb (27) is electrically connected to the socket (22).