A slit lamp lighting device for an ophthalmic surgical microscope

Abstract

The utility model discloses a slit lamp lighting device for an ophthalmic surgical microscope, belonging to the technical field of ophthalmic equipment, comprising a housing, a lens barrel is arranged on one side of the housing, a sleeve is arranged on the outer side of the lens barrel, a limiting mechanism is arranged between the lens barrel and the sleeve, a slide groove is arranged on the outer side of the sleeve, a limiting groove is arranged on the inner side wall of the slide groove, a slide plate is slidably installed inside the slide groove, and a lamp group is installed on the top of the slide plate. The utility model can adjust the position of the lamp group arbitrarily according to the inspection needs of medical staff to meet different light irradiation angles through the coordinated use of the housing, the lens barrel, the sleeve, the slide groove, the limiting groove, the slide plate, the mounting block, the rotating shaft, the limiting block, the rotating block and the lamp group, thereby achieving the purpose of improving the adjustment flexibility, and when the limiting block is completely retracted into the mounting block, the lamp group can be disassembled from the slide plate, thereby improving the flexibility and convenience of the slit lamp lighting device of the ophthalmic surgical microscope.

Description

Technical Field

[0001] The utility model relates to the technical field of ophthalmic equipment, in particular to a slit lamp lighting device of an ophthalmic surgical microscope. Background Art

[0002] Eyes are the most important organ of human senses. About 80% of the knowledge in the brain is acquired through the eyes. Reading, reading, looking at pictures, looking at people, and appreciating beautiful scenery all require eyes. Slit lamp microscope is an indispensable and important instrument for ophthalmic examination. It is also the most widely used basic instrument for routine ophthalmic examination. The state requires the mandatory configuration of slit lamps in the industries of ophthalmic diagnosis and treatment, ophthalmic health care, optometry and glasses. All over the world, from the smallest ENT clinic to the largest ophthalmology hospital to the top ophthalmic disease research institution, ophthalmic slit lamp microscope is the most professional equipment for examining eyelids, conjunctiva, sclera, cornea, anterior chamber, iris, pupil, lens and the front 1 / 3 vitreous body to determine the location, nature, size and depth of lesions. Ophthalmic slit lamp microscopes are widely used by medical institutions, ophthalmic health care institutions, and optical chain stores. The functional expansion and improvement of the instrument play an important role in human eye health. The structure of the slit lamp is mainly composed of four parts: slit illumination mechanism, microscope optical body, mobile platform mechanism, and chin rest mechanism.

[0003] For example, the utility model with application number 202122077891.9 discloses a slit lamp microscope lighting device based on a Placido disk, including: a Placido disk detection ring, a light guide cover, a light homogenizer, an LED light board, a support rod and a housing, which can provide a lighting source for the slit lamp microscope to measure pupil diameter, corneal curvature and refractive power and dry eye related examinations. The device has a simple structure, a small size, low heat generation, simple parts processing, and assembly.

[0004] Similar to the above application, there are still some shortcomings:

[0005] Although this slit lamp microscope lighting device based on the Placido disk is small in size and generates little heat, it cannot be well fixed and disassembled, and the position of the lighting lamp cannot be adjusted according to lighting usage requirements. It has poor flexibility and cannot meet the examination needs of medical staff.

[0006] Therefore, a slit lamp lighting device for an ophthalmic surgical microscope is designed to optimize the above-mentioned problems. Utility Model Content

[0007] The main purpose of the utility model is to provide a slit lamp lighting device for an ophthalmic surgical microscope to solve the related technical problems raised in the above background technology.

[0008] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0009] A slit lamp lighting device for an ophthalmic surgical microscope comprises a shell, a lens barrel is arranged on one side of the shell, a sleeve is arranged on the outer side of the lens barrel, a limiting mechanism is arranged between the lens barrel and the sleeve, a slide groove is arranged on the outer side of the sleeve, a limiting groove is arranged on the inner side wall of the slide groove, a slide is slidably installed inside the slide groove, a lamp group is installed on the top of the slide, a mounting block is fixed to the bottom of one end of the slide, a rotating shaft is non-rotatably connected to the mounting block, the ends of the rotating shaft are both threadedly connected to the limiting block, a rotating block is fixed to the middle position of the rotating shaft, and the top of the rotating block passes through and extends to the top of the slide.

[0010] Preferably: the limiting mechanism includes a card slot, a fixing slot and a fixing ring, the fixing ring is located on the side of the sleeve close to the shell, the card slot is opened on the side of the shell close to the lens barrel, the fixing slot is opened on one side of the shell, and a limiting ring is slidably installed inside the fixing slot.

[0011] Preferably, an adsorption block is movably connected to the outer side of the sleeve, and a cleaning block is fixedly mounted on one end of the adsorption block.

[0012] Preferably, there are two limit blocks, and limit rings are provided at the ends of the two limit blocks.

[0013] Preferably, a reinforcement pad is fixed to one side of the limiting ring, and the reinforcement pad is a rubber reinforcement pad.

[0014] Preferably, an anti-skid ring is fixed on the outer side of the rotating block, and anti-skid patterns are arranged on the outer side of the anti-skid ring.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a slit lamp lighting device for an ophthalmic surgical microscope, which is used in coordination with a housing, a lens barrel, a sleeve, a slide groove, a limiting groove, a slide plate, a mounting block, a rotating shaft, a limiting block, a rotating block and a lamp group. The lamp group is manually slid along the circular arc path of the slide groove to adjust its position, and then the rotating block on the slide plate is toggled so that the rotating block drives the rotating shaft to rotate at the same time, thereby driving the limiting blocks at both ends of the rotating shaft to move into the limiting grooves on the outside until they are tightly attached to the inner wall of the limiting groove, thereby limiting the lamp group. The position of the lamp group can be arbitrarily adjusted according to the inspection needs of medical staff to meet different light irradiation angles, thereby achieving the purpose of improving the adjustment flexibility, and when the limiting block is fully retracted into the mounting block, the lamp group can be removed from the slide plate. , thereby improving the flexibility and convenience of the slit lamp lighting device of the ophthalmic surgical microscope; through the coordinated use of the fixing ring, the slot, the fixing slot and the limiting ring, the lamp group and the sleeve are installed on one side of the shell, so that the fixing ring is engaged in the slot on the shell, and then the limiting ring is slid toward the middle until the limiting ring engages and limits the two sides of the fixing ring, and the installation work can be completed, thereby facilitating the use and disinfection and maintenance work of medical staff; through the coordinated use of the adsorption block and the cleaning block, the cleaning block is removed from the outside of the sleeve, and the lens on the lamp group is cleaned by the cleaning block, so that the irradiation light of the lamp group is clearer, and the cleaning block is easy to store and use by the adsorption and fixing method, thereby providing convenience for people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 For the utility model Figure 1 A magnified view of the structure at center;

[0019] Figure 3 It is a schematic diagram of the adsorption block of the utility model.

[0020] In the figure: 1. outer shell; 2. lens barrel; 3. sleeve; 4. limiting mechanism; 5. slide groove; 6. limiting groove; 7. slide; 8. mounting block; 9. rotating shaft; 10. limiting block; 11. rotating block; 12. lamp group; 13. fixing ring; 14. slot; 15. fixing groove; 16. limiting ring; 17. adsorption block; 18. cleaning block. DETAILED DESCRIPTION

[0021] In order to make the technical solution of the utility model more clear and specific to those skilled in the art, the utility model is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the utility model are not limited thereto.

[0022] Embodiment 1

[0023] like Figure 1-Figure 3As shown, the present embodiment provides a slit lamp lighting device for an ophthalmic surgical microscope, comprising a shell 1, a lens barrel 2 is arranged on one side of the shell 1, a sleeve 3 is arranged on the outside of the lens barrel 2, a limiting mechanism 4 is arranged between the lens barrel 2 and the sleeve 3, a slide groove 5 is arranged on the outside of the sleeve 3, a limiting groove 6 is arranged on the inner side wall of the slide groove 5, a slide plate 7 is slidably installed inside the slide groove 5, a lamp group 12 is installed on the top of the slide plate 7, a mounting block 8 is fixed to the bottom of one end of the slide plate 7, a rotating shaft 9 is non-rotatably connected to the mounting block 8, the ends of the rotating shaft 9 are all threadedly connected to the limiting block 10, a rotating block 11 is fixed to the middle position of the rotating shaft 9, and the top of the rotating block 11 passes through and extends to the top of the slide plate 7, the limiting mechanism 4 comprises a clamping groove 14, a fixing groove 15 and a fixing ring 13, the fixing ring 13 is located on a side of the sleeve 3 close to the shell 1, the clamping groove 14 is arranged on a side of the shell 1 close to the lens barrel 2, the fixing groove 15 is arranged on one side of the shell 1, and a limiting ring 16 is slidably installed inside the fixing groove 15.

[0024] Through the coordinated use of the housing 1, the lens barrel 2, the sleeve 3, the slide groove 5, the limiting groove 6, the slide plate 7, the mounting block 8, the rotating shaft 9, the limiting block 10, the rotating block 11 and the lamp group 12, the lamp group 12 is manually slid along the arc path of the slide groove 5 to adjust the position, and then the rotating block 11 on the slide plate 7 is toggled so that the rotating block 11 drives the rotating shaft 9 to rotate at the same time, thereby driving the limiting blocks 10 at both ends of the rotating shaft 9 to move into the limiting groove 6 on the outside until they are tightly attached to the inner wall of the limiting groove 6, thereby limiting the lamp group 12, and the position of the lamp group 12 can be arbitrarily adjusted according to the examination needs of medical staff to meet different light irradiation angles, thereby improving The purpose of adjusting flexibility is to adjust the degree of flexibility, and when the limit block 10 is fully retracted into the mounting block 8, the lamp group 12 can be removed from the slide 7, thereby improving the flexibility and convenience of the slit lamp lighting device of the ophthalmic surgical microscope; through the coordinated use of the fixing ring 13, the slot 14, the fixing slot 15 and the limit ring 16, the lamp group 12 and the sleeve 3 are installed on one side of the shell 1, so that the fixing ring 13 is engaged in the slot 14 on the shell 1, and then the limit ring 16 is slid toward the middle until the limit ring 16 engages and limits the two sides of the fixing ring 13, and the installation work can be completed, thereby facilitating the use and disinfection and maintenance work of medical staff.

[0025] Embodiment 2

[0026] In this embodiment, if Figure 1-Figure 3 As shown, an adsorption block 17 is movably connected to the outer side of the sleeve 3 , and a cleaning block 18 is fixedly mounted on one end of the adsorption block 17 .

[0027] By using the adsorption block 17 and the cleaning block 18 in coordination, the cleaning block 18 is removed from the outside of the sleeve 3, and the lens on the lamp group 12 is cleaned by the cleaning block 18, so that the light emitted by the lamp group 12 is clearer. The cleaning block 18 is easy to store and use by being adsorbed and fixed, thereby providing convenience for people's use.

[0028] In this embodiment, there are two limit blocks 10 , and limit rings are disposed at the ends of the two limit blocks 10 .

[0029] The stability of the position limiting is ensured by the two limit blocks 10, and the provision of the limit ring further increases the firmness.

[0030] In this embodiment, a reinforcement pad is fixed to one side of the limiting ring 16, and the reinforcement pad is a rubber reinforcement pad.

[0031] The friction between the limiting ring 16 and the fixing ring 13 is reduced by the rubber reinforcement pad, thereby improving the limiting and fixing effect of the fixing ring 13.

[0032] In this embodiment, an anti-skid ring is fixed on the outer side of the rotating block 11, and anti-skid patterns are arranged on the outer side of the anti-skid ring.

[0033] The provision of the anti-skid ring and the anti-skid pattern facilitates the rotation of the rotating block 11, making it more convenient to use.

[0034] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A slit lamp illumination device for an ophthalmic surgical microscope, characterized in that: The invention comprises a shell (1), a lens barrel (2) is arranged on one side of the shell (1), a sleeve (3) is arranged on the outer side of the lens barrel (2), a limiting mechanism (4) is arranged between the lens barrel (2) and the sleeve (3), a slide groove (5) is arranged on the outer side of the sleeve (3), a limiting groove (6) is arranged on the inner side wall of the slide groove (5), a slide plate (7) is slidably installed inside the slide groove (5), a lamp group (12) is installed on the top of the slide plate (7), a mounting block (8) is fixed at the bottom of one end of the slide plate (7), a rotating shaft (9) is non-rotatably connected to the mounting block (8), the ends of the rotating shaft (9) are both threadedly connected to the limiting block (10), a rotating block (11) is fixed at the middle position of the rotating shaft (9), and the top of the rotating block (11) passes through and extends to the top of the slide plate (7).

2. The slit lamp illumination device for an ophthalmic surgical microscope according to claim 1, characterized in that: The limiting mechanism (4) comprises a clamping groove (14), a fixing groove (15) and a fixing ring (13); the fixing ring (13) is located on a side of the sleeve (3) close to the housing (1); the clamping groove (14) is provided on a side of the housing (1) close to the lens barrel (2); the fixing groove (15) is provided on a side of the housing (1); and a limiting ring (16) is slidably mounted inside the fixing groove (15).

3. The slit lamp illumination device for an ophthalmic surgical microscope according to claim 1, characterized in that: The outer side of the sleeve (3) is movably connected with an adsorption block (17), and one end of the adsorption block (17) is fixedly mounted with a cleaning block (18).

4. The slit lamp illumination device for an ophthalmic surgical microscope according to claim 1, characterized in that: The number of the limit blocks (10) is two, and the ends of the two limit blocks (10) are both provided with limit rings.

5. The slit lamp illumination device for an ophthalmic surgical microscope according to claim 2, characterized in that: A reinforcement pad is fixed on one side of the limiting ring (16), and the reinforcement pad is a rubber reinforcement pad.

6. The slit lamp illumination device for an ophthalmic surgical microscope according to claim 1, characterized in that: An anti-skid ring is fixed on the outer side of the rotating block (11), and anti-skid patterns are arranged on the outer side of the anti-skid ring.

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