Slit lamp with positioning cursor

Abstract

The utility model discloses a slit lamp with a positioning cursor, which relates to the field of medical instruments and equipment and comprises a base, a lens body mounted at the upper end of the base, a lens seat and a lens barrel arranged on the lens body, an observation eyepiece arranged on the lens seat, and an optical convex lens mounted at one end of the lens barrel. The end, close to the optical convex lens, of the lens cone is in threaded connection with a threaded locking ring, the upper end of the lens base is fixedly connected with a mounting base, one end of the mounting base is provided with a fixing plate, the fixing plate is internally provided with a connecting mechanism, the upper end of the mounting base is provided with a mounting plate, the upper end of the mounting plate is movably connected with a positioning cursor body, and the mounting plate is internally and symmetrically provided with fixing mechanisms. By the adoption of the structure, a doctor or a technician can quickly complete mounting or dismounting work, complex operation steps or professional tools are not needed, work efficiency is improved, operation difficulty is lowered, and the checking accuracy and efficiency are improved by quickly replacing a proper positioning cursor.

Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, and particularly relates to a slit lamp with a positioning cursor. Background Art

[0002] The slit lamp microscope, or slit lamp for short, is an important instrument commonly used in ophthalmic examinations. It consists of a lighting system and a binocular microscope, and is mainly used to examine the physiological structure and pathological changes of the anterior segment of the eye. It can also be combined with other auxiliary facilities to examine the anterior angle, intraocular pressure, and fundus, etc. Among them, the slit lamp with a positioning cursor is an advanced ophthalmic examination device. It adds the function of positioning cursor on the basis of the traditional slit lamp microscope, thereby improving the accuracy and efficiency of the examination. The positioning cursor is usually a controllable, high-brightness indicator point or line that can be accurately positioned at a specific position of the eye structure. This enables doctors to point to and observe the lesion more accurately during the examination, especially when dealing with tiny or difficult-to-identify lesions, the function of positioning cursor is particularly important.

[0003] Publication number "CN219109414U" A remote-controlled slit lamp, comprising a base, a mirror body is arranged on the base, a mirror body is arranged on the mirror body, a motor and an observation eyepiece are arranged on the mirror seat, a wireless communication module is arranged on the motor, a connecting rod is arranged on the working shaft of the motor, one end of the connecting rod is fixed on the working shaft of the motor, the other end of the connecting rod is a free end, a lens barrel is arranged on the other end of the connecting rod, an optical convex lens sheet is arranged on the lens barrel, and the height of the optical convex lens sheet is consistent with the height of the observation eyepiece. The remote-controlled slit lamp of the utility model can realize the function of simultaneously examining the anterior segment and fundus of the patient with a set of instruments and equipment, and can reduce the cost of the examination instruments and equipment.

[0004] Although the above utility model can realize the function of simultaneously examining the anterior segment and fundus of the patient with a set of instruments and equipment, and can reduce the cost of the examination instruments and equipment, the doctor mainly relies on visual observation and empirical judgment when examining the eye structure, which increases the subjectivity and uncertainty of positioning to a certain extent, and may lead to inaccurate positioning, thereby affecting the accuracy of diagnosis. The slit lamp with positioning cursor on the market currently needs to spend a lot of time to replace the positioning cursor of different specifications or types for preparation according to the scene requirements of the examination before each use, thereby reducing the overall work efficiency. Especially in emergency situations, this inconvenience may affect the timely diagnosis and treatment of patients. Utility Model Content

[0005] In response to the problems mentioned in the background technology, the purpose of the utility model is to provide a slit lamp with a positioning cursor to solve the problem that before each use of the slit lamp, it is necessary to spend a lot of time to replace positioning cursors of different specifications or types for preparation according to the inspection scene requirements, thereby reducing the overall work efficiency.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A slit lamp with a positioning cursor comprises a base, a mirror body is mounted on the upper end of the base, a mirror base and a lens barrel are arranged on the mirror body, an observation eyepiece is arranged on the mirror base, an optical convex lens is mounted on one end of the lens barrel, a threaded locking ring is threadedly connected to one end of the lens barrel close to the optical convex lens, the optical convex lens is locked on the lens barrel by the threaded locking ring, a mounting seat is fixedly connected to the upper end of the lens base, a fixing plate is mounted on one end of the mounting seat, a connecting mechanism is mounted inside the fixing plate, a mounting plate is mounted on the upper end of the mounting seat, a positioning cursor body is movably connected to the upper end of the mounting plate, and a fixing mechanism is symmetrically mounted inside the mounting plate;

[0008] The fixing mechanism includes a second return spring, a movable block, a second slider, a push-lock block and a limit column. A second accommodating cavity is symmetrically provided inside the mounting plate, one end of the second accommodating cavity is fixedly connected to the second return spring, the other end of the second return spring is fixedly connected to the movable block, the upper end of the movable block is fixedly connected to the second slider, the end of the second slider away from the movable block is fixedly connected to the push-lock block, the end of the push-lock block away from the second return spring is symmetrically fixedly connected to the limit column, a second slide groove is symmetrically provided on the upper end of the mounting plate, the second slide groove is connected to the second accommodating cavity, the second slide groove is slidably connected to the second slider, and limiting grooves are symmetrically provided at both ends of the positioning cursor body, and the limiting grooves are plug-in connected to the limiting column, so that doctors or technicians can quickly complete the installation or disassembly work without complicated operation steps or professional tools, which not only improves work efficiency but also reduces operation difficulty, so that more people can easily master it.

[0009] As a preferred technical solution, the mounting seat is rotatably connected to a rotating column at one end away from the observation eyepiece, and the outer wall of the rotating column is fixedly connected to one end of the fixed plate. The connecting mechanism includes a first return spring, a moving block, a fixed block, a first sliding block and a pushing block. A first accommodating cavity is opened inside the fixed plate, one end of the first accommodating cavity is fixedly connected to the first return spring, the other end of the first return spring is fixedly connected to the moving block, one end of the moving block away from the first return spring is fixedly connected to the fixed block, one end of the fixed block away from the moving block extends out of one end of the baffle, one end of the moving block is fixedly connected to the first sliding block, one end of the first sliding block away from the moving block is fixedly connected to the pushing block, and the fixed plate is opened at an end away from the observation eyepiece A first slide groove is provided, the first slide groove is communicated with the first accommodating cavity, the first slide groove is slidably connected to the first sliding block, a fixing groove is provided at one end of the mounting seat close to the fixed plate, a through groove is provided at one end of the fixed plate, the through groove is communicated with the first accommodating cavity, the fixing block is slidably connected to the through groove, the fixing block passes through the through groove and is plugged into the fixing groove, T-slots are symmetrically provided at the upper end of the mounting seat, and T-blocks are symmetrically fixedly connected to the bottom end of the mounting plate, and the T-blocks are slidably connected to the T-slots, which can make the slit lamp have stronger expandability and versatility. By adding different auxiliary equipment such as positioning cursors, filters, and cameras, more inspection functions and application scenarios can be realized to meet the ever-changing clinical needs of ophthalmology.

[0010] In summary, the utility model mainly has the following beneficial effects:

[0011] First, the utility model uses a fixing mechanism. When the positioning cursor body needs to be installed, the user pushes the push-lock block to make the second slider slide inside the second slide groove, and the second slider drives the movable block to move, and then the positioning cursor body and the mounting plate are merged, and the push-lock block is released at the same time. The second reset spring is reset, and the movable block drives the second slider and the push-lock block to rebound. The limit column is inserted into the limit groove to complete the installation of the positioning cursor body. The reverse operation can complete the removal of the positioning cursor body, so that doctors or technicians can quickly complete the installation or removal work without complicated operation steps or professional tools, which not only improves work efficiency, but also reduces the difficulty of operation, so that more people can easily master it. In addition, different ophthalmic examinations may require different types or specifications of positioning cursors. The convenient replacement mechanism enables doctors or technicians to quickly replace suitable positioning cursors according to actual examination needs, thereby improving the accuracy and efficiency of the examination.

[0012] Secondly, the utility model uses a connecting mechanism. When the mounting plate needs to be disassembled, the user first pushes the push block to make the first slider slide inside the first slide groove. At the same time, the first slider drives the moving block and the fixed block to move. The fixed block retracts into the first accommodating cavity and ends the plugging with the fixed groove. Then, the rotating column is rotated to move the fixed plate away from the mounting seat. Then, the connecting plate is pulled to make the T-shaped block slide inside the T-shaped groove, and the fixed plate is removed from the mounting seat to complete the disassembly of the mounting plate. The installation of the mounting plate can be completed by the reverse operation. The slit lamp can have stronger expandability and versatility. By adding different auxiliary equipment such as positioning cursors, filters, and cameras, more inspection functions and application scenarios can be realized to meet the ever-changing clinical needs of ophthalmology. Doctors no longer need to spend a lot of time on equipment replacement and can focus more on the ophthalmic examination itself, which shortens the waiting time of patients and improves overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the positioning cursor body of the utility model;

[0015] Figure 3 It is a schematic diagram of a cross-sectional three-dimensional structure of the connection mechanism of the utility model;

[0016] Figure 4 It is a cross-sectional three-dimensional structural schematic diagram of the fixing mechanism of the utility model.

[0017] : Figure numerals: 1, base, 2, mirror body, 3, lens barrel, 4, optical convex lens, 5, threaded locking ring, 6, observation eyepiece, 7, mirror seat, 8, mounting seat, 9, rotating column, 10, fixing plate, 11, first accommodating chamber, 12, connecting mechanism, 121, first return spring, 122, moving block, 123, fixing block, 124, first slider, 125, pushing block, 13, first slide groove, 14, through groove, 15, fixing groove, 16, mounting plate, 17, positioning cursor body, 18, second accommodating chamber, 19, fixing mechanism, 191, second return spring, 192, movable block, 193, second slider, 194, pushing and locking block, 195, limiting column, 20, limiting groove, 21, second slide groove, 22, T-shaped block, 23, T-shaped groove. DETAILED DESCRIPTION

[0018] refer to Figures 1 to 4The slit lamp with a positioning cursor described in this embodiment comprises a base 1, a mirror body 2 is installed on the upper end of the base 1, a mirror base 7 and a lens barrel 3 are arranged on the mirror body 2, an observation eyepiece 6 is arranged on the mirror base 7, an optical convex lens piece 4 is installed at one end of the lens barrel 3, a threaded locking ring 5 is threadedly connected to the end of the lens barrel 3 close to the optical convex lens piece 4, and the optical convex lens piece 4 is locked on the lens barrel 3 by the threaded locking ring 5, a mounting seat 8 is fixedly connected to the upper end of the mirror base 7, a fixing plate 10 is installed at one end of the mounting seat 8, a connecting mechanism 12 is installed inside the fixing plate 10, a mounting plate 16 is installed on the upper end of the mounting seat 8, a positioning cursor body 17 is movably connected to the upper end of the mounting plate 16, and a fixing mechanism 19 is symmetrically installed inside the mounting plate 16;

[0019] The fixing mechanism 19 includes a second return spring 191, a movable block 192, a second slider 193, a push-lock block 194 and a limiting column 195. A second accommodating chamber 18 is symmetrically provided inside the mounting plate 16. A second return spring 191 is fixedly connected to one end of the second accommodating chamber 18. The movable block 192 is fixedly connected to the other end of the second return spring 191. The upper end of the movable block 192 is fixedly connected to the second slider 193. The end of the second slider 193 away from the movable block 192 is fixedly connected to the push-lock block 194. The end of the push-lock block 194 away from the second return spring 191 is symmetrically fixedly connected to the limiting column 195. A second slide groove 21 is symmetrically provided on the upper end of the mounting plate 16. The second slide groove 21 is communicated with the second accommodating chamber 18. The second slide groove 21 and the second slider 193 are slidably connected, and the limiting grooves 20 are symmetrically provided at both ends of the positioning cursor body 17. The limiting grooves 20 and the limiting columns 195 are plugged into each other. The user pushes the push-lock block 194 to make the second slider 193 slide inside the second slide groove 21. At the same time, the second slider 193 drives the movable block 192 to move, and then the positioning cursor body 17 and the mounting plate 16 are merged. At the same time, the push-lock block 194 is released, the second reset spring 191 is reset, and the movable block 192 drives the second slider 193 and the push-lock block 194 to rebound. The limiting column 195 is inserted into the limiting groove 20 to complete the installation of the positioning cursor body 17. The reverse operation can complete the disassembly of the positioning cursor body 17.

[0020] refer to Figures 2 to 3, the end of the mounting seat 8 away from the observation eyepiece 6 is rotatably connected to the rotating column 9, the outer wall of the rotating column 9 is fixedly connected to one end of the fixed plate 10, the connecting mechanism 12 includes a first return spring 121, a moving block 122, a fixed block 123, a first slider 124 and a push block 125, a first accommodating chamber 11 is opened inside the fixed plate 10, one end of the first accommodating chamber 11 is fixedly connected to the first return spring 121, the other end of the first return spring 121 is fixedly connected to the moving block 122, the end of the moving block 122 away from the first return spring 121 is fixedly connected to the fixed block 123, the end of the fixed block 123 away from the moving block 122 extends out of one end of the baffle, one end of the moving block 122 is fixedly connected to the first slider 124, the end of the first slider 124 away from the moving block 122 is fixedly connected to the push block 125, and the end of the fixed plate 10 away from the observation eyepiece 6 is opened with a first slide groove 13, the first slide groove 13 and the first accommodating chamber 1 1 is connected, the first slide groove 13 and the first slider 124 are slidably connected, the mounting seat 8 is provided with a fixing groove 15 at one end close to the fixing plate 10, and the fixing plate 10 is provided with a through groove 14 at one end, the through groove 14 is connected with the first accommodating chamber 11, the fixing block 123 is slidably connected with the through groove 14, the fixing block 123 passes through the through groove 14 and is plugged into the fixing groove 15, the user first pushes the push block 125 to make the first slider 124 slide inside the first slide groove 13, and at the same time, the first slider 124 drives the moving block 122 and the fixing block 123 to move, the fixing block 123 retracts into the first accommodating chamber 11 and ends the plugging with the fixing groove 15, and then rotates the rotating column 9 to move the fixing plate 10 away from the mounting seat 8, and then pulls the connecting plate to make the T-shaped block 22 slide inside the T-shaped groove 23, remove the fixing plate 10 from the mounting seat 8, complete the disassembly of the mounting plate 16, and the reverse operation can complete the installation of the mounting plate 16.

[0021] Principle and advantages of use: The user pushes the push-lock block 194 to make the second slider 193 slide inside the second slide groove 21, and the second slider 193 drives the movable block 192 to move, and then merges the positioning cursor body 17 with the mounting plate 16, and releases the push-lock block 194 at the same time, the second reset spring 191 resets, the movable block 192 drives the second slider 193 and the push-lock block 194 to rebound, and the limiting column 195 is inserted into the limiting groove 20 to complete the installation of the positioning cursor body 17, and the reverse operation can complete the removal of the positioning cursor body 17. The user first pushes the push block 125 to make the first slide block 124 slide inside the first slide groove 13. At the same time, the first slide block 124 drives the moving block 122 and the fixed block 123 to move. The fixed block 123 retracts into the first accommodating cavity 11 and ends the plugging with the fixed groove 15. Then, the user rotates the rotating column 9 to move the fixed plate 10 away from the mounting seat 8. Then, the user pulls the connecting plate to make the T-shaped block 22 slide inside the T-shaped groove 23, and removes the fixed plate 10 from the mounting seat 8. The removal of the mounting plate 16 is completed. The installation of the mounting plate 16 can be completed by the reverse operation.

[0022] The utility model allows doctors or technicians to quickly complete installation or disassembly work without complicated operating steps or professional tools, which not only improves work efficiency but also reduces the difficulty of operation, allowing more people to easily master it. Different ophthalmic examinations may require positioning cursors of different types or specifications. The convenient replacement mechanism allows doctors or technicians to quickly replace suitable positioning cursors according to actual examination needs, thereby improving the accuracy and efficiency of the examination. At the same time, the slit lamp has stronger expandability and versatility. By adding different auxiliary equipment such as positioning cursors, filters, and cameras, more examination functions and application scenarios can be realized to meet the ever-changing clinical needs of ophthalmology.

Claims

1. A slit lamp with a positioning cursor, comprising a base (1), characterized in that: A mirror body (2) is mounted on the upper end of the base (1), a mirror seat (7) and a lens barrel (3) are arranged on the mirror body (2), an observation eyepiece (6) is arranged on the mirror seat (7), an optical convex lens sheet (4) is mounted on one end of the lens barrel (3), a threaded locking ring (5) is threadedly connected to one end of the lens barrel (3) close to the optical convex lens sheet (4), the optical convex lens sheet (4) is locked on the lens barrel (3) by the threaded locking ring (5), a mounting seat (8) is fixedly connected to the upper end of the mirror seat (7), a fixing plate (10) is mounted on one end of the mounting seat (8), a connecting mechanism (12) is mounted inside the fixing plate (10), a mounting plate (16) is mounted on the upper end of the mounting seat (8), a positioning cursor body (17) is movably connected to the upper end of the mounting plate (16), and a fixing mechanism (19) is symmetrically mounted inside the mounting plate (16); The fixing mechanism (19) comprises a second return spring (191), a movable block (192), a second slider (193), a push-lock block (194) and a limiting column (195); a second accommodating chamber (18) is symmetrically provided inside the mounting plate (16); one end of the second accommodating chamber (18) is fixedly connected to the second return spring (191); the other end of the second return spring (191) is fixedly connected to the movable block (192); the upper end of the movable block (192) is fixedly connected to the second slider (193); the end of the second slider (193) away from the movable block (192) is fixedly connected to the push-lock block (194); the end of the push-lock block (194) away from the second return spring (191) is symmetrically fixedly connected to the limiting column (195).

2. A slit lamp with a positioning cursor according to claim 1, characterized in that: A second slide groove (21) is symmetrically provided on the upper end of the mounting plate (16), the second slide groove (21) is communicated with the second accommodating cavity (18), and the second slide groove (21) is slidably connected with the second sliding block (193).

3. A slit lamp with a positioning cursor according to claim 1, characterized in that: Both ends of the positioning cursor body (17) are symmetrically provided with limiting grooves (20), and the limiting grooves (20) are plugged into the limiting columns (195).

4. A slit lamp with a positioning cursor according to claim 1, characterized in that: One end of the mounting seat (8) away from the observation eyepiece (6) is rotatably connected to a rotating column (9), and the outer side wall of the rotating column (9) is fixedly connected to one end of a fixing plate (10).

5. A slit lamp with a positioning cursor according to claim 1, characterized in that: The connecting mechanism (12) comprises a first return spring (121), a moving block (122), a fixed block (123), a first sliding block (124) and a pushing block (125); a first accommodating chamber (11) is provided inside the fixed plate (10); one end of the first accommodating chamber (11) is fixedly connected to the first return spring (121); the other end of the first return spring (121) is fixedly connected to the moving block (122); one end of the moving block (122) away from the first return spring (121) is fixedly connected to the fixed block (123); one end of the fixed block (123) away from the moving block (122) extends out of one end of the baffle; one end of the moving block (122) is fixedly connected to the first sliding block (124); and one end of the first sliding block (124) away from the moving block (122) is fixedly connected to the pushing block (125).

6. A slit lamp with a positioning cursor according to claim 1, characterized in that: A first slide groove (13) is provided at one end of the fixing plate (10) away from the observation eyepiece (6); the first slide groove (13) is communicated with the first accommodating cavity (11); and the first slide groove (13) is slidably connected to the first sliding block (124).

7. A slit lamp with a positioning cursor according to claim 5, characterized in that: A fixing groove (15) is provided at one end of the mounting seat (8) close to the fixing plate (10), a through groove (14) is provided at one end of the fixing plate (10), the through groove (14) is communicated with the first accommodating cavity (11), the fixing block (123) is slidably connected to the through groove (14), and the fixing block (123) passes through the through groove (14) and is plugged into the fixing groove (15).

8. A slit lamp with a positioning cursor according to claim 1, characterized in that: The upper end of the mounting seat (8) is symmetrically provided with a T-shaped groove (23), and the bottom end of the mounting plate (16) is symmetrically fixedly connected with a T-shaped block (22), and the T-shaped block (22) and the T-shaped groove (23) are slidably connected.

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