Head positioning device for slit lamp
By designing a head positioning device for slit lamps, including mounting rods, brackets and adjustment devices, the problem that existing brackets are difficult to adapt to different face shapes is solved, and more accurate face positioning and inspection results are achieved.
Patent Information
- Application Number
- CN202420729519.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The forehead part of the existing slit lamp bracket is in a fixed state, which is difficult to meet the use of people with different face shapes, resulting in improper face placement during examinations, affecting the examination work of medical staff.
A head positioning device including a mounting rod, a support strip and an adjustment device is designed. Through the adjustment device, the user can adjust the block to fit the forehead, reduce the probability of improper face placement, and adapt to the use of different face shapes.
Through this device, the probability of improper face placement can be effectively reduced, and is suitable for people with different face shapes to ensure the normal use of the equipment and the accuracy of inspection.
Smart Images

Figure CN222549182U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ophthalmological examination, in particular to a head positioning device for a slit lamp. Background Art
[0002] The slit lamp microscope is an essential instrument for ophthalmic examination. It consists of a lighting system and a binocular microscope. It can not only observe superficial lesions very clearly, but also adjust the focus and light source width to make an "optical section" so that lesions in deep tissues can be clearly seen. Slit lamps are widely used in ophthalmic medical examinations, and the user's head is often supported by a bracket during the examination.
[0003] The inventors have found in their daily work that the forehead parts of most stents are in a fixed state, so it is difficult to meet the needs of people with different face shapes. During the examination, the face is easily misplaced, which affects the examination work of medical staff. Improvements are needed. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings in the prior art that most of the brackets have a fixed forehead, which makes it difficult to meet the needs of people with different face shapes, and the face is easily misplaced during examination, which affects the examination work of medical staff, and a head positioning device for a slit lamp is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a head positioning device for a slit lamp, comprising a mounting rod, a support bar and an adjusting device, the number of the mounting rods is two, the two mounting rods are symmetrically arranged, the support bar is installed on the two mounting rods, a cushion block is installed on the upper surface of the support bar, an adjusting rod is slidably connected inside the mounting rod, the adjusting device is arranged at one end of the adjusting rod, the adjusting device comprises a mounting frame, the mounting frame is fixedly connected to one end of the adjusting rod, two symmetrically arranged stabilizing grooves are provided on the surface of the mounting frame, an adjusting block is slidably connected to the inner wall of the stabilizing groove, a connecting rod is fixedly connected to one side of the adjusting block, and a resist block is fixedly connected to the end of the connecting rod away from the adjusting block. By setting the adjusting device, it is convenient to adjust the resist block, and the forehead of the user can be stably fitted, reducing the probability of the user's face being incorrectly placed, facilitating use by people with different face shapes, and facilitating normal use of the equipment.
[0006] Preferably, a spring is fixedly connected to one side of the adjustment block, the spring is located in the stabilizing groove, and one end of the spring away from the adjustment block is fixedly connected to the inner wall of the stabilizing groove, and the adjustment block can be pulled to move by the spring.
[0007] Preferably, a pull rod is fixedly connected to one side of the resisting block, and an end of the pull rod away from the resisting block is fixedly connected to the pull block, so that the pull rod and the resisting block can be driven to move by the pull block.
[0008] Preferably, a plug block is rotatably connected to a side of the mounting frame close to the pulling block, and a torsion block is fixedly connected to a side of the plug block away from the mounting frame, and the torsion block can drive the plug block to rotate.
[0009] Preferably, a slot is provided on the surface of the pull rod, and one end of the insert block is inserted into the slot. When the user's eyes are examined with a slit lamp, the user places the chin on the pad and then pulls down the mounting frame, which then drives the adjustment rod to move, and adjusts the mounting frame to the same height as the user's forehead. The twist block is then rotated, and the twist block drives the insert block to rotate, and the insert block then disengages from the slot on the pull rod. The spring then pulls the adjustment block to move, and the adjustment block then drives the resist block to move via the connecting block, and the resist block then fits the user's forehead. The twist block is then rotated to drive the insert block into the slot, thereby completing the positioning of the pull rod.
[0010] Preferably, a positioning assembly is provided on the surface of the mounting rod, and the positioning assembly includes the bottom of the support bar. Through the positioning assembly, the device can be easily installed on the workbench, which simplifies the structure of the device, reduces the difficulty of installing the device, and facilitates popularization and use.
[0011] Preferably, the positioning assembly includes a limit plate and a pressure plate, the limit plate is slidably connected to the surface of the mounting rod, the pressure plate is fixedly connected to the surface of the mounting rod, the upper surface of the limit plate is fixedly connected with a first suction cup, and the lower surface of the pressure plate is fixedly connected to a second suction cup, and the surface of the pressure plate is fixedly connected with two symmetrically arranged pressure rods, the lower end surface of the mounting rod is provided with a thread, and the mounting rod is sleeved with a threaded tube, and the threaded tube is threadedly connected to the surface of the mounting rod. When installing the equipment, the pressure plate and the pressure rod are placed on the workbench, and then the second suction cup is adsorbed on the upper surface of the workbench, and then the limit plate is sleeved on the mounting rod and the limit plate is pushed upward, and then the limit plate drives the first suction cup to be adsorbed on the lower surface of the workbench, and then the threaded tube is sleeved on the mounting rod, and then the threaded tube can be installed on the mounting rod by rotating the threaded tube, and then the threaded tube is pressed against the limit plate, and the limit plate immediately cooperates with the pressure plate to press tightly against the workbench.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, when the user's eyes are examined by a slit lamp, the user places the chin on the pad, then pulls down the mounting frame, the mounting frame then drives the adjustment rod to move, and adjusts the mounting frame to the same height as the user's forehead, then rotates the twist block, the twist block drives the insertion block to rotate, the insertion block then disengages from the slot on the pull rod, then the spring pulls the adjustment block to move, then the adjustment block drives the resistance block to move through the connecting block, then the resistance block fits the user's forehead, then the twist block is rotated to drive the insertion block to be inserted into the slot, and the positioning of the pull rod is completed. By providing an adjustment device, it is convenient to adjust the resistance block, and the user's forehead can be stably fitted, reducing the probability of the user's face being incorrectly placed, making it convenient for people with different face shapes to use it, and facilitating the normal use of the equipment.
[0014] 2. In the utility model, when installing the equipment, the pressure plate and the pressure rod are placed on the workbench, and then the second suction cup is adsorbed on the upper surface of the workbench, and then the limit plate is put on the mounting rod, and the limit plate is pushed upward, and then the limit plate drives the first suction cup to be adsorbed on the lower surface of the workbench, and then the threaded tube is put on the mounting rod, and then the threaded tube is rotated to be installed on the mounting rod, and then the threaded tube is pressed against the limit plate, and the limit plate is then pressed against the workbench with the pressure plate, and the positioning assembly is used to facilitate the installation of the equipment on the workbench, simplify the structure of the equipment, reduce the difficulty of installation of the equipment, and facilitate popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional structural schematic diagram of a head positioning device for a slit lamp is proposed for the utility model;
[0016] Figure 2 The utility model provides a schematic diagram of the upward structure of a head positioning device for a slit lamp;
[0017] Figure 3 The utility model provides a schematic diagram of a top view structure of a head positioning device for a slit lamp;
[0018] Figure 4 The utility model proposes a head positioning device for a slit lamp Figure 4 A schematic diagram of the structure at A;
[0019] Figure 5 The utility model provides a structural schematic diagram of an adjusting device in a head positioning device for a slit lamp.
[0020] Legend:
[0021] 1. Mounting rod; 2. Adjusting rod; 3. Support bar; 4. Cushion block; 5. Adjusting device; 51. Mounting frame; 52. Resistance block; 53. Connecting rod; 54. Adjusting block; 55. Spring; 56. Pull rod; 57. Pull block; 58. Twist block; 59. Stabilizing groove; 510. Insert block; 6. Positioning assembly; 61. Limiting plate; 62. First suction cup; 63. Threaded cylinder; 64. Second suction cup; 65. Press rod; 66. Press plate. DETAILED DESCRIPTION
[0022] See also Figure 1-5 The utility model provides a technical solution: a head positioning device for a slit lamp, comprising a mounting rod 1, a support bar 3 and an adjusting device 5. The number of the mounting rods 1 is two, and the two mounting rods 1 are symmetrically arranged. The support bar 3 is installed on the two mounting rods 1. A cushion block 4 is installed on the upper surface of the support bar 3. The interior of the mounting rod 1 is slidably connected with an adjusting rod 2. The adjusting device 5 is arranged at one end of the adjusting rod 2. The adjusting device 5 comprises a mounting frame 51, and the mounting frame 51 is fixedly connected to one end of the adjusting rod 2. Two symmetrically arranged stable grooves 59 are provided on the surface of the mounting frame 51. An adjusting block 54 is slidably connected to the inner wall of the stable groove 59. A connecting rod 53 is fixedly connected to one side of the adjusting block 54. A resist block 52 is fixedly connected to one end of the connecting rod 53 away from the adjusting block 54. By setting the adjusting device 5, it is convenient to adjust the resist block 52, so that the forehead of the user can be stably fitted, reducing the probability of the user's face being placed incorrectly, facilitating the use of people with different face shapes, and facilitating the normal use of the equipment.
[0023] Specifically, a spring 55 is fixedly connected to one side of the adjustment block 54 . The spring 55 is located in the stabilizing groove 59 . One end of the spring 55 away from the adjustment block 54 is fixedly connected to the inner wall of the stabilizing groove 59 . The adjustment block 54 can be pulled to move by the spring 55 .
[0024] Specifically, a pull rod 56 is fixedly connected to one side of the stop block 52 , and a pull block 57 is fixedly connected to one end of the pull rod 56 away from the stop block 52 . The pull block 57 can drive the pull rod 56 and the stop block 52 to move.
[0025] Specifically, the side of the mounting frame 51 close to the pulling block 57 is rotatably connected to the inserting block 510 , and the side of the inserting block 510 away from the mounting frame 51 is fixedly connected to the twisting block 58 , and the inserting block 510 can be driven to rotate by the twisting block 58 .
[0026] In this embodiment: a slot is provided on the surface of the pull rod 56, and one end of the insert block 510 is inserted into the slot. When the user's eyes are examined by a slit lamp, the user places the chin on the cushion block 4, and then pulls down the mounting frame 51, and the mounting frame 51 then drives the adjustment rod 2 to move, and adjusts the mounting frame 51 to the same height as the user's forehead. Then, the twist block 58 is rotated, and the twist block 58 drives the insert block 510 to rotate, and the insert block 510 then disengages from the slot on the pull rod 56, and then the spring 55 pulls the adjustment block 54 to move, and then the adjustment block 54 drives the stop block 52 to move through the connecting block, and then the stop block 52 fits the user's forehead, and then the twist block 58 is rotated to drive the insert block 510 to insert into the slot, thereby completing the positioning of the pull rod 56.
[0027] Specifically, a positioning assembly 6 is provided on the surface of the mounting rod 1, and the positioning assembly 6 includes the bottom of the support bar 3. Through the positioning assembly 6, the device can be easily installed on the workbench, which simplifies the structure of the device, reduces the difficulty of installing the device, and facilitates popularization and use.
[0028] In this embodiment: the positioning assembly 6 includes a limit plate 61 and a pressure plate 66, the limit plate 61 is slidably connected to the surface of the mounting rod 1, the pressure plate 66 is fixedly connected to the surface of the mounting rod 1, the upper surface of the limit plate 61 is fixedly connected to a first suction cup 62, the lower surface of the pressure plate 66 is fixedly connected to a second suction cup 64, the surface of the pressure plate 66 is fixedly connected to two symmetrically arranged pressure rods 65, the lower end surface of the mounting rod 1 is provided with a thread, the mounting rod 1 is sleeved with a threaded barrel 63, and the threaded barrel 63 is threadedly connected to the surface of the mounting rod 1 Next, when installing the equipment, place the pressure plate 66 and the pressure rod 65 on the workbench, then the second suction cup 64 is adsorbed on the upper surface of the workbench, then the limit plate 61 is put on the installation rod 1, and the limit plate 61 is pushed upward, then the limit plate 61 drives the first suction cup 62 to be adsorbed on the lower surface of the workbench, then the threaded tube 63 is put on the installation rod 1, and then the threaded tube 63 is rotated to install it on the installation rod 1, then the threaded tube 63 is pressed against the limit plate 61, and the limit plate 61 is then pressed tightly against the workbench with the pressure plate 66.
[0029] Working principle: When the user's eyes are examined by a slit lamp, the user places the chin on the cushion block 4, and then pulls down the mounting frame 51, which then drives the adjustment rod 2 to move, and adjusts the mounting frame 51 to the same height as the user's forehead, and then rotates the twist block 58, which drives the insertion block 510 to rotate, and the insertion block 510 then disengages from the slot on the pull rod 56, and then the spring 55 pulls the adjustment block 54 to move, and then the adjustment block 54 drives the stop block 52 to move through the connecting block, and then the stop block 52 fits the user's forehead, and then the twist block 58 is rotated to drive the insertion block 510 to insert into the slot, completing the positioning of the pull rod 56. By setting the adjustment device 5, it is easy to adjust the stop block 52, which can stably fit the user's forehead and lower the user's face. The probability of improper placement of the parts is reduced, which is convenient for people with different face shapes to use and for the normal use of the equipment. When installing the equipment, the pressure plate 66 and the pressure rod 65 are placed on the workbench, and then the second suction cup 64 is adsorbed on the upper surface of the workbench, and then the limit plate 61 is put on the installation rod 1, and the limit plate 61 is pushed upward, and then the limit plate 61 drives the first suction cup 62 to be adsorbed on the lower surface of the workbench, and then the threaded cylinder 63 is put on the installation rod 1, and then the threaded cylinder 63 is rotated to be installed on the installation rod 1, and then the threaded cylinder 63 is pressed against the limit plate 61, and the limit plate 61 immediately cooperates with the pressure plate 66 to press against the workbench, and the positioning component 6 is convenient to install the equipment on the workbench, simplifying the structure of the equipment, reducing the difficulty of installation of the equipment, and facilitating popularization and use.
Claims
1. A head positioning device for a slit lamp, comprising a mounting rod (1), a support bar (3) and an adjustment device (5), characterized in that: The number of the mounting rods (1) is two, and the two mounting rods (1) are symmetrically arranged. The support bar (3) is mounted on the two mounting rods (1), and a cushion block (4) is mounted on the upper surface of the support bar (3). The interior of the mounting rod (1) is slidably connected with an adjustment rod (2). The adjustment device (5) is arranged at one end of the adjustment rod (2). The adjustment device (5) comprises a mounting frame (51), and the mounting frame (51) is fixedly connected to one end of the adjustment rod (2). The surface of the mounting frame (51) is provided with two symmetrically arranged stabilizing grooves (59), and the inner wall of the stabilizing groove (59) is slidably connected with an adjustment block (54). A connecting rod (53) is fixedly connected to one side of the adjustment block (54), and a stop block (52) is fixedly connected to the end of the connecting rod (53) away from the adjustment block (54).
2. A head positioning device for a slit lamp according to claim 1, characterized in that: A spring (55) is fixedly connected to one side of the adjustment block (54), the spring (55) is located in the stabilizing groove (59), and one end of the spring (55) away from the adjustment block (54) is fixedly connected to the inner wall of the stabilizing groove (59).
3. A head positioning device for a slit lamp according to claim 1, characterized in that: A pull rod (56) is fixedly connected to one side of the stop block (52), and a pull block (57) is fixedly connected to one end of the pull rod (56) away from the stop block (52).
4. A head positioning device for a slit lamp according to claim 3, characterized in that: A side of the mounting frame (51) close to the pulling block (57) is rotatably connected to an insert block (510), and a side of the insert block (510) away from the mounting frame (51) is fixedly connected to a torsion block (58).
5. A head positioning device for a slit lamp according to claim 4, characterized in that: A slot is provided on the surface of the pull rod (56), and one end of the insert block (510) is inserted into the slot.
6. A head positioning device for a slit lamp according to claim 1, characterized in that: A positioning assembly (6) is provided on the surface of the mounting rod (1), and the positioning assembly (6) is located below the support bar (3).
7. A head positioning device for a slit lamp according to claim 6, characterized in that: The positioning assembly (6) comprises a limit plate (61) and a pressure plate (66); the limit plate (61) is slidably connected to the surface of the mounting rod (1); the pressure plate (66) is fixedly connected to the surface of the mounting rod (1); the upper surface of the limit plate (61) is fixedly connected to a first suction cup (62); the lower surface of the pressure plate (66) is fixedly connected to a second suction cup (64); the surface of the pressure plate (66) is fixedly connected to two symmetrically arranged pressure rods (65); the lower end surface of the mounting rod (1) is provided with a thread; a threaded barrel (63) is sleeved on the mounting rod (1); the threaded barrel (63) is threadedly connected to the surface of the mounting rod (1).