Detector device capable of being used for simultaneous detection of two eyes

Abstract

The utility model discloses a detector device capable of simultaneously detecting two eyes in the technical field of ophthalmology medical equipment, which comprises a glasses assembly, a Placido disc is arranged in the glasses assembly, a lighting assembly is arranged on the rear side of an inner cavity of the Placido disc, a camera assembly is arranged behind the Placido disc, adjusting screw assemblies are symmetrically screwed on the left side and the right side of the glasses assembly, and the left side and the right side of the glasses assembly are respectively provided with a camera assembly. According to the utility model, the double eyes can be detected at the same time, and the detection time is saved. The detector device is fixed in a magnetic attraction mode, can be applied to different working places, and is small in overall size and convenient to carry. Meanwhile, besides the basic white LED light source, the blue LED light source and the red LED light source are added, and the three light sources are concentrically distributed at equal intervals, so that the uniformity of the light intensity is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of ophthalmic medical equipment, in particular to a detector device which can be used for simultaneous detection of both eyes. Background Art

[0002] As an important measuring instrument in modern ophthalmology, corneal topographers based on Placido disks can accurately display corneal surface morphology through data or images, providing a powerful detection method for ophthalmologists to measure corneal surface morphology and subsequent corneal refractive correction. At present, the corneal topographers based on Placido disks mainly detect corneas by projecting black and white stripes on the Placido disk onto the corneal surface through a projection lighting system, and observing the reflected image of the corneal surface of the subject through the small hole in the Placido disk. If the corneal surface is normal, the reflected image should show concentric circles with regular intervals between the rings. If the corneal surface morphology is abnormal, the distance between the reflected image rings is irregular. For the part with smaller curvature of the corneal surface, the radial spacing between adjacent rings of the reflected image is closer, and for the part with larger curvature of the corneal surface, the radial spacing between adjacent rings of the reflected image is farther. The Placido disk method records and analyzes the image of concentric rings on the cornea of ​​the subject to understand the condition of the corneal surface.

[0003] Existing detector devices are large in size and usually need to be fixed on a workbench, which is not very convenient to carry. These devices may include a large display screen, a control panel and necessary computing equipment. Considering the need for doctors or optometrists to examine patients in different locations, such as in clinics, hospitals, ophthalmic operating rooms, etc., it is necessary to design a portable, small-volume detector based on the Placido design. At the same time, in order to facilitate the examination under different light or for specific patient needs, a variety of light source options are also required. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a detector device that can be used for simultaneous detection of both eyes, which can solve the problem that the existing detector device is large in size, usually needs to be fixed on a workbench, and is not easy to carry.

[0006] In order to solve the above technical problems, the utility model provides a detector device that can be used for simultaneous detection of both eyes, adopting the following technical solution: comprising a glasses assembly, wherein a Placido disk is provided in the glasses assembly, a lighting assembly is provided on the rear side of the inner cavity of the Placido disk, a camera assembly is provided behind the Placido disk, and adjustment screw assemblies are symmetrically screwed on the left and right sides of the glasses assembly, and the camera assembly is connected to the adjustment screw assembly.

[0007] Optionally, the glasses assembly includes a glasses-shaped shell and a rear side panel, wherein two grooves are symmetrically provided on the left and right sides of the front side wall of the rear side panel, threaded holes are symmetrically provided on the left and right sides of the front side wall of the rear side panel, and a through hole is symmetrically provided on the left and right sides of the shell.

[0008] Optionally, the Placido disk assembly includes black and white stripes, a through hole 1 is arranged at the center of the black and white stripes, and the inner cavity of the through hole 1 is provided with an inner wall thread 1 connected to the lighting assembly.

[0009] Optionally, the black and white stripes of the Placido disk assembly are multiple groups of concentric and equidistant concentric rings.

[0010] Optionally, the adjusting screw assembly includes an adjusting screw and a fixing piece, the adjusting screw being installed in a through hole one, the outer wall of the adjusting screw being provided with an outer wall thread line one and an outer wall thread line two, the four corners of the fixing piece are provided with a connecting seat, and the connecting seat is provided with a through hole two, the outer wall of the fixing piece is provided with a U-shaped groove, and the inner wall of the U-shaped groove is provided with an inner wall thread two matching with the outer wall thread line one.

[0011] Optionally, an LED light group is fixedly installed on the rear side wall of the inner cavity of the lighting component, a through hole 2 is opened at the center of the lighting component, an outer wall of the lighting component is provided with an outer wall thread line 3 connected to the Placido disk assembly, and a threaded hole 2 connected to the camera assembly is opened on the rear side wall of the lighting component.

[0012] Optionally, the LED light group of the lighting assembly includes a white light LED light group, a blue light LED light group and a red light LED light group.

[0013] Optionally, four corners of the front side wall of the camera assembly are provided with through holes three that cooperate with threaded hole two, the rear side of the camera assembly is connected to a camera placement channel, a through hole two is provided at the center of the front side wall of the camera assembly, and the through hole two is connected to the inner cavity of the camera placement channel, a guide hole for a lead wire is provided on the outer wall of the camera placement channel, a movable seat is fixedly connected to the right side wall of the camera placement channel, and a threaded hole three connected to an adjusting screw is provided on the outer wall of the movable seat.

[0014] In summary, the present invention has at least one of the following beneficial effects:

[0015] Both eyes can be tested at the same time, saving testing time. The detector device is fixed by magnetic attraction and can be used in different work locations. It is small in size and easy to carry. At the same time, in addition to the basic white LED light source, blue LED and red LED light sources are also added, and the three light sources are concentrically and equidistantly distributed to ensure the uniformity of light intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 Schematic diagram of the overall structure of the utility model;

[0018] Figure 2 A schematic diagram of the structure of the glasses assembly of the utility model;

[0019] Figure 3 Schematic diagram of the structure of the Placido disk assembly of the utility model Figure 1 ;

[0020] Figure 4 Schematic diagram of the structure of the Placido disk assembly of the utility model Figure 2 ;

[0021] Figure 5 Schematic diagram of the connection structure of the Placido disk assembly, the adjustment screw assembly and the camera assembly of the utility model;

[0022] Figure 6 Schematic diagram of the structure of the adjusting screw of the utility model;

[0023] Figure 7 Schematic diagram of the structure of the fixing part of the utility model

[0024] Figure 8 Schematic diagram of the lighting assembly structure of the utility model Figure 1 ;

[0025] Fig. 9 Schematic diagram of the lighting assembly structure of the utility model Figure 2 ;

[0026] Fig.10 A schematic diagram of the structure of a camera assembly of the present utility model.

[0027] Explanation of the reference numerals: 1. glasses assembly; 11. groove; 12. threaded hole one; 13. through hole one; 2. placido plate assembly; 21. black and white stripes; 22. through hole one; 23. inner wall thread one; 3. adjusting screw assembly; 31. adjusting screw; 311. outer wall thread line one; 312. outer wall thread line two; 32. fixing piece; 321. through hole two; 322. U-shaped groove; 323. inner wall thread two; 4. lighting assembly; 41. LED light group; 42. outer wall thread line three; 43. through hole two; 44. threaded hole two; 5. camera assembly; 51. through hole three; 52. through hole; 53. guide hole; 54. camera placement channel; 55. threaded hole three; 56. movable seat. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-10 The utility model is described in further detail.

[0029] Embodiment 1, as Figure 1-10 As shown, the utility model provides a detector device for simultaneous detection of both eyes, including a glasses assembly 1, a Placido plate 2 is provided in the glasses assembly 1, a lighting assembly 4 is provided at the rear side of the inner cavity of the Placido plate 2, a camera assembly 5 is provided at the rear of the Placido plate 2, and an adjustment screw assembly 3 is symmetrically screwed on the left and right sides of the glasses assembly 1, and the camera assembly 5 is connected to the adjustment screw assembly 3.

[0030] The glasses assembly 1 is used to place the Placido disk assembly 2, the adjusting screw assembly 3, the lighting assembly 4 and the camera assembly 5; the lighting assembly 4 is used to project the stripes of the Placido disk assembly 2 onto the detection target; the camera hole and the camera assembly 5 are used to capture and observe the detection information; and the adjusting screw assembly 3 is used to align the center of the detection target.

[0031] The eyeglass assembly 1 includes an eyeglass-shaped shell and a rear side plate, wherein two grooves 11 are symmetrically provided on the left and right sides of the front side wall of the rear side plate, threaded holes 12 are symmetrically provided on the left and right sides of the front side wall of the rear side plate, and through holes 13 are symmetrically provided on the left and right sides of the shell.

[0032] The Placido disk assembly 2 includes black and white stripes 21 , a through hole 22 is arranged at the center of the black and white stripes 21 , and an inner wall thread 23 connected to the lighting assembly 4 is arranged in the inner cavity of the through hole 22 .

[0033] The inner wall thread 23 of the inner wall of the Placido disk assembly 2 cooperates with the outer wall thread 42 of the outer wall of the lighting assembly 4, so that the Placido disk assembly 2 can be fixed in front of the lighting assembly 4. At the same time, the light source of the lighting assembly 4 is converged between the two components, thereby enhancing the light intensity transmitted from the Placido disk assembly 2.

[0034] The black and white stripes 21 of the Placido disk assembly 2 are multiple groups of concentric rings with equal distances from each other.

[0035] The concentric rings in the Placido disc assembly 2 are projected onto the surface of the cornea of ​​the subject, and the condition of the corneal surface can be understood by recording and analyzing the images of the concentric rings on the cornea of ​​the subject.

[0036] The adjusting screw assembly 3 includes an adjusting screw 31 and a fixing member 32. The adjusting screw 31 is installed in the through hole 13. The outer wall of the adjusting screw 31 is provided with an outer wall thread line 1 311 and an outer wall thread line 2 312. The four corners of the fixing member 32 are provided with connecting seats, and the connecting seats are provided with a through hole 2 321. The outer wall of the fixing member 32 is provided with a U-shaped groove 322, and the inner wall of the U-shaped groove 322 is provided with an inner wall thread 2 323 matching the outer wall thread line 1 311.

[0037] The front section of the adjusting screw 31 is designed with an outer wall thread line 312 that matches the camera assembly 5 and is used to connect the camera assembly 5. The rear section of the adjusting screw 31 is designed with an outer wall thread line 311 that is used to adjust the horizontal displacement of the central axis of the camera assembly 5 to ensure that the eye center of the subject coincides with the central axis.

[0038] An LED light group 41 is fixedly installed on the rear side wall of the inner cavity of the lighting component 4, a through hole 2 43 is opened at the center of the lighting component 4, an outer wall thread line 3 42 connected to the Placido disk component 2 is opened on the outer wall of the lighting component 4, and a threaded hole 2 44 connected to the camera component 5 is opened on the rear side wall of the lighting component 4.

[0039] The LED light group 41 of the lighting assembly 4 includes a white light LED light group, a blue light LED light group and a red light LED light group.

[0040] White LED light groups, blue LED light groups and red LED light groups are arranged in sequence around a ring. The three different light groups can detect different eye lesions.

[0041] The four corners of the front side wall of the camera assembly 5 are provided with through holes 3 51 that match with the threaded holes 2 44. The rear side of the camera assembly 5 is connected to a camera placement channel 54. A through hole 2 52 is provided at the center of the front side wall of the camera assembly 5, and the through hole 2 52 is connected to the inner cavity of the camera placement channel 54. A guide hole 53 for the lead wire is provided on the outer wall of the camera placement channel 54. A movable seat 56 is fixedly connected to the right side wall of the camera placement channel 54. The outer wall of the movable seat 56 is provided with a threaded hole 3 55 connected to the adjusting screw 31.

[0042] The camera is placed in the camera assembly channel 54 and connected to the external camera driving device through the lead hole 53. The through hole three 51 of the camera assembly 5 is designed to be connected to the lighting assembly 4 through screws, ensuring that the camera can capture the eye image of the subject at the middle through hole two 43 of the lighting assembly 4. The threaded hole three 55 provided in the camera assembly 5 can connect the adjustment screw 31 with the camera assembly 4, and move them in conjunction to ensure that the camera, the through hole of the lighting assembly 4 and the through hole of the Placido disk assembly 2 always remain on the same central axis.

[0043] Place the camera in the camera channel 54 of the camera assembly 5, and lead the signal line out from the guide hole 53; the screw passes through the through hole three 51 and is fixed in the threaded hole two 46 of the lighting assembly 4, the threaded hole three 55 is placed in the U-shaped groove 322 of the fixing part 32, and the screw passes through the through hole 321 of the fixing part 32 of the adjusting screw assembly 3 and is fixed in the threaded hole one 12 of the glasses assembly 1, the adjusting screw 31 passes through the through hole one 13, the outer wall thread line one 311 is rotated onto the inner wall thread line two 322 of the fixing part 32, the outer wall thread line two 312 is rotated and fixed in the threaded hole three 55 of the camera assembly 5, and the placido disk assembly 2 is rotated onto the outer wall thread line three 44 of the lighting assembly 4 through the inner wall thread line one 23.

[0044] The magnet is placed in the groove 11, and the position of the detector device can be arbitrarily fixed. The subject views the black and white stripes 21 in the Placido disk assembly 2 with both eyes, and the light source generated by the lighting assembly 4 is projected into both eyes. To ensure the accuracy of the detection information, the position of the Placido disk assembly 2 can be changed by adjusting the adjustment screw 31 so that the eye coincides with the central axis of the through hole 1 22 of the Placido disk assembly 2. The camera can capture the image of the eye through the through hole 1 22 and the through hole 2 45, and the eye disease can be judged by analyzing the image information.

[0045] Embodiment 2, a detector device that can be used for simultaneous detection of both eyes, the adjustment steps of the system are:

[0046] Step S1: Align the central axis; turn on the white light LED lamp group 41 to project the black and white stripes 21; the subject looks directly at the Placido disk assembly 2, and the black and white stripes 21 pattern will appear in his eyes. Rotate the adjustment screw 31 to align the central axis, so that the black and white stripes 21 are completely presented in the black area of ​​the eye, reducing the measurement error;

[0047] Step S2: The camera completely presents the captured eye image through the through hole 1 22 and the through hole 2 45, and determines the eye disease by analyzing the image information.

[0048] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A detector device that can be used for simultaneous detection of both eyes, characterized in that: The invention comprises a glasses assembly, wherein a Placido plate is arranged inside the glasses assembly, a lighting assembly is arranged at the rear side of the inner cavity of the Placido plate, a camera assembly is arranged at the rear of the Placido plate, an adjusting screw assembly is symmetrically screwed on the left and right sides of the glasses assembly, and the camera assembly is connected to the adjusting screw assembly.

2. A detector device for simultaneous binocular detection according to claim 1, characterized in that: The glasses assembly includes a glasses-shaped shell and a rear side plate, the front side wall of the rear side plate has two grooves symmetrically opened on the left and right sides, the front side wall of the rear side plate has threaded holes symmetrically opened on the left and right sides, and the shell has through holes symmetrically opened on the left and right sides.

3. A detector device for simultaneous binocular detection according to claim 1, characterized in that: The Placido disk assembly includes black and white stripes, a through hole one is arranged at the center of the black and white stripes, and the inner cavity of the through hole one is provided with an inner wall thread one connected to the lighting assembly.

4. A detector device for simultaneous binocular detection according to claim 1, characterized in that: The black and white stripes of the Placido disk assembly are multiple groups of concentric and equidistant concentric rings.

5. The detector device for simultaneous binocular detection according to claim 1, characterized in that: The adjusting screw assembly includes an adjusting screw and a fixing part, the adjusting screw is installed in a through hole 1, the outer wall of the adjusting screw is provided with an outer wall thread line 1 and an outer wall thread line 2, the four corners of the fixing part are provided with a connecting seat, and the connecting seat is provided with a through hole 2, the outer wall of the fixing part is provided with a U-shaped groove, and the inner wall of the U-shaped groove is provided with an inner wall thread 2 matching with the outer wall thread line 1.

6. A detector device for simultaneous binocular detection according to claim 1, characterized in that: An LED light group is fixedly installed on the rear side wall of the inner cavity of the lighting component, a through hole 2 is opened at the center of the lighting component, an outer wall of the lighting component is provided with an outer wall thread line 3 connected to the Placido disk component, and a threaded hole 2 connected to the camera component is opened on the rear side wall of the lighting component.

7. A detector device for simultaneous binocular detection according to claim 6, characterized in that: The LED light groups of the lighting assembly include a white light LED light group, a blue light LED light group and a red light LED light group.

8. The detector device for simultaneous binocular detection according to claim 6, characterized in that: The four corners of the front side wall of the camera assembly are each provided with a through hole three that matches with the threaded hole two, the rear side of the camera assembly is connected to a camera placement channel, a through hole two is provided at the center of the front side wall of the camera assembly, and the through hole two is connected to the inner cavity of the camera placement channel, a guide hole for a lead wire is provided on the outer wall of the camera placement channel, a movable seat is fixedly connected to the right side wall of the camera placement channel, and a threaded hole three connected to an adjusting screw is provided on the outer wall of the movable seat.

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