Ophthalmic preoperative auxiliary examination device

Abstract

The invention discloses an ophthalmology department preoperative auxiliary examination device which comprises a control table and a slit lamp, a bearing mechanism is connected to the control table, a protection mechanism comprises a mounting strip and a rotating assembly, a winding roller and a non-woven fabric roll are mounted on the mounting strip through the rotating assembly, a guide mechanism is connected to a bearing frame, and the guide mechanism is connected to a guide rod. The guide block is connected with a guide assembly used for assisting the color disc. According to the ophthalmology preoperative auxiliary examination device, the bearing frame is pulled downwards, the ophthalmology preoperative auxiliary examination device is suitable for different crowds, the bearing frame is held by a hand, the input feeling of a patient can be improved, the detection effect is guaranteed, the forehead and the jaw are attached to a non-woven fabric roll on a rubber roller for detection, after detection is completed, used non-woven fabric is automatically rolled, and the detection efficiency is improved. When the non-woven fabric section is used by the next person, the non-woven fabric section is not used, so that disease infection is avoided, the patient can see the through groove and the correction sight of the color disc, the distinguishing blocks in different color areas are different, and the concentration degree can be trained.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a preoperative auxiliary examination device for ophthalmology. Background Technology

[0002] The eyes are a very important organ, and blindness can severely impact work and daily life. To achieve good treatment results, surgery is necessary to treat the affected area. Before medical ophthalmological surgery, it is extremely important to make a correct diagnosis of ophthalmic diseases using auxiliary examination devices and to take timely measures for surgical treatment, such as slit lamps (slit lamp microscopes). Slit lamp microscopes consist of an illumination system and a binocular microscope. They can not only make superficial lesions very clear, but also adjust the focus and the width of the light source to create an "optical section" so that lesions in deep tissues can also be clearly displayed. When using a slit lamp, it is necessary to use an auxiliary device to position the head against the light source.

[0003] Current slit lamp assist devices are head-mounted supports that guide the patient's eyes to the slit lamp lens. However, the height of the support's contact end is often secured with nuts, and the slit lamp and the assist device are independent, requiring independent adjustment. This results in slow testing speeds, increased patient tension during testing due to the lack of other support, difficulty in maintaining focus, and reduced testing effectiveness due to excessive tension. Furthermore, the support requires manual disinfection after use to prevent disease transmission, lacking automated disinfection or protective mechanisms. Before testing, the physician must guide the patient's gaze to ensure alignment with the lens, which is inefficient and time-consuming. Patient attention training is necessary, but current assist devices rely on the patient's own active training, using prolonged observation of a single object, lacking verification by others, leading to poor results. Summary of the Invention

[0004] The purpose of this invention is to provide an auxiliary examination device for preoperative ophthalmic surgery. Pulling down the support frame makes it suitable for different groups of people. Holding the support frame increases patient engagement and ensures accurate testing. The forehead and chin are placed against the non-woven fabric roll on the rubber roller for testing. After testing, the used non-woven fabric is automatically rolled up, and the next person uses an unused section, thus preventing disease transmission. Patients can look into the through-slot and see the color wheel to correct their vision. Different colored areas have different distinguishing blocks, which can train concentration.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a preoperative auxiliary examination device for ophthalmology, comprising a control console and a slit lamp, wherein a support mechanism is connected to the control console, the support mechanism comprising a support frame and a balancing component, the support frame is slidably mounted on one side of the control console via the balancing component, the slit lamp is mounted on one end of the support frame, a protective mechanism is connected to the support frame, the protective mechanism comprising mounting strips and a rotating component, a pair of mounting strips are fixedly connected to the support frame, a rubber roller is rotatably connected to the mounting strips on the side away from the slit lamp, a take-up roller and a non-woven fabric roll are mounted on the mounting strips via the rotating component, the free end of the non-woven fabric passes around the rubber roller and is inserted into the take-up roller, a guide mechanism is connected to the support frame, the guide mechanism comprising a sliding rod, a pair of sliding rods are slidably connected to the support frame, a guide block is fixedly connected to the bottom end of the sliding rod, a light plate is fixedly connected to the side wall of the guide block, a through groove communicating with the side wall of the light plate is provided on the guide block, a color wheel that cuts off the through groove is rotatably connected to the guide block, and a guide component for assisting the color wheel is connected to the guide block.

[0006] As a preferred embodiment of the present invention, the balancing component includes a counterweight. The counterweight is slidably connected to the bottom of the console. Rotation dampers are installed inside the side walls at both ends of the top of the console. A collar is fixedly sleeved on the outer edge of the rotation damper. A pull rope is wound around the collar. The two ends of the pull rope are fixedly connected to the counterweight and the support frame, respectively. The mass of the counterweight is greater than the mass of the support frame and the slit lamp. This balances the mass of the support frame and the slit lamp, making it easy for patients to pull and adjust, thus adapting to different groups of people.

[0007] In a preferred embodiment of the present invention, the rotating assembly includes connecting rods. Connecting rods are rotatably connected to both ends of the mounting strip. A knob is fixedly connected to one end of the connecting rod extending beyond the mounting strip. Rubber blocks are movably sleeved on the shafts at both ends of the nonwoven fabric roll. The rubber block at one end of the nonwoven fabric roll is inserted into the mounting strip. Transmission rods are fixedly connected to both ends of the take-up roller. The shaft end of the transmission rod has a rectangular structure. A rectangular groove is provided on the connecting rod. The take-up roller is inserted into the rectangular groove of the connecting rod via the transmission rods at both ends. A protective shell is bolted to the mounting strip. The inner wall of the protective shell has protrusions for contacting the rubber blocks and the shaft end of the take-up roller. This facilitates the replacement of the nonwoven fabric roll, allowing for regular daily replacement and preventing internal infection.

[0008] As a preferred embodiment of the present invention, a pair of racks are fixedly connected to the top of the support frame. The racks slide through the mounting strip and the toothed segments of the racks protrude. A gear is rotatably connected to the connecting rod. The gear is used to mesh with the racks. A concentric ratchet is fixedly connected to the side wall of the gear. A pawl is fixedly connected to the connecting rod. The pawl meshes with the ratchet. This facilitates the automatic winding of used segments of the nonwoven fabric roll for the next user.

[0009] As a preferred embodiment of the present invention, the guiding component includes a rubber ring, the control console is rotatably connected to the slide rod with the rubber ring, the slide rod and the rubber ring are slidably connected, the guiding block has a cross-shaped indicator strip painted on one side of the through groove, the color wheel has multiple color areas, a motor is installed inside the guiding block, the rotating end of the motor is in close contact with the edge of the color wheel, and an LED light is installed on the guiding block at the side wall of the light plate; thereby guiding the patient's line of sight.

[0010] As a preferred embodiment of the present invention, the light plate is a light diffusion plate, the color wheel has light transmittance, one end of the LED lamp extends out of the light plate, and each color area on the color wheel has a different protruding distinguishing block fixedly connected inside, and the guide block has a label corresponding to the color of the color wheel and the order of the distinguishing blocks pasted near the slit lamp; this facilitates verification by physicians and can train patients' eye focus.

[0011] As a preferred embodiment of the present invention, a card frame is fixedly connected to the support frame. The card frame has a “]” shaped structure, and the top of the card frame is movably sleeved on the slide rod. The inner distance of the card frame is greater than the height of the guide block; thus, it is convenient to automatically adjust to the range of the eye position, which is convenient for precise adjustment in the next step.

[0012] As a preferred embodiment of the present invention, a limiting mechanism is connected to the support frame. The limiting mechanism includes a limiting block. A pair of limiting blocks are slidably connected inside both ends of the support frame. A spring abuts between the limiting block and the support frame. A pressing block is fixedly connected between the pair of limiting blocks. The pressing block extends out of the support frame. The limiting block is used to abut against the control console. This serves to limit the movement of the support frame and prevent it from moving up and down during the testing process.

[0013] As a preferred embodiment of the present invention, the end of the limiting block that abuts against the control console is made of rubber, and the end of the control console that abuts against the limiting block is provided with a frosted section; thereby increasing the firmness of the limiting.

[0014] As a preferred embodiment of the present invention, a rotating mechanism is connected to the slide rod, the rotating mechanism includes a connecting plate, the top ends of a pair of slide rods are rotatably connected to the connecting plate, a rotating disk is slidably connected to the slide rod, a cross belt is wound between the pair of rotating disks, and a lever is slidably connected to one of the slide rods; thereby facilitating the removal of the guide block 602 during testing by levering the lever.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, by setting up a support frame, counterweight, pull rope, collar, and rotation damper, allows the support frame to be pulled downwards. Pulling the support frame downwards causes the pull rope to move downwards, thereby rotating the collar and rotation damper. This pulls the counterweight upwards. The mass of the counterweight is slightly greater than the total mass of the support frame and the slit lamp, thus accommodating different patient sizes. There is no need for the physician to adjust the height of the slit lamp. After the patient has determined the desired height, they hold both sides of the support frame and press the pressure block to limit the support frame's position, facilitating the physician's examination. Holding the support frame during the examination increases the patient's focus and ensures effective testing.

[0016] 2. This invention utilizes a nonwoven fabric roll, gears, ratchet, rack, pawl, and rack. When the support frame is pulled downwards, the user's forehead and chin are pressed against the nonwoven fabric roll on the rubber roller for inspection. After inspection, the support frame is released, and the gears and rack mesh, causing the gears to rotate in the opposite direction. The ratchet drives the pawl to rotate, which in turn drives the connecting rod, thereby rotating the transmission rod and the winding roller. This process winds up the used nonwoven fabric, ensuring that the next user receives unused sections, thus preventing the spread of disease and ensuring greater safety and hygiene.

[0017] 3. This invention, through the arrangement of a color wheel, a through slot, LED lights, distinguishing blocks, and a motor, allows the patient to look directly into the through slot. As the patient's gaze passes through the slot, they will see the color wheel. A light panel diffuses the LED light source, preventing glare and creating a softer, more comfortable light. Raised distinguishing blocks are fixedly connected to the color wheel. When the LED light illuminates these blocks, the angled entry of the light enhances their three-dimensionality, increasing patient recognition. The motor can be controlled to rotate the color wheel, driving color changes and the switching of distinguishing blocks. Different color areas have different distinguishing blocks, allowing the patient to remember them and improve concentration. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the support frame part of the present invention; Figure 3This is a schematic diagram of the counterweight portion of the present invention; Figure 4 This is a schematic diagram of the collar portion of the present invention; Figure 5 This is a schematic diagram of the limiting mechanism of the present invention; Figure 6 This is a schematic diagram of the protective mechanism of the present invention; Figure 7 This is a schematic diagram of the rotating mechanism of the present invention; Figure 8 This is a schematic diagram of the installation strip portion of the present invention; Figure 9 This is a schematic diagram of the rack portion of the present invention; Figure 10 This is a schematic diagram of the pawl portion of the present invention; Figure 11 This is a schematic diagram of the connecting rod portion of the present invention; Figure 12 This is a schematic diagram of the color wheel portion of the present invention; Figure 13 This is a schematic diagram of the structure of the light plate portion of the present invention; Figure 14 This is a schematic diagram of the belt section of the present invention.

[0019] In the diagram: 1. Control console; 2. Slit lamp; 3. Bearing mechanism; 301. Bearing frame; 302. Counterweight; 303. Pull rope; 304. Rotation damper; 305. Collar; 4. Limiting mechanism; 401. Pressing block; 402. Limiting block; 403. Spring; 5. Protective mechanism; 501. Protective shell; 502. Non-woven fabric roll; 503. Mounting strip; 504. Rubber roller; 505. Take-up roller; 506. Rack; 507. Rubber block; 508. Transmission rod; 509. 510. Connecting rod; 511. Ratchet; 512. Gear; 513. Pawl; 514. Knob; 6. Guide mechanism; 601. Slide bar; 602. Guide block; 603. Indicator strip; 604. Through slot; 605. Frame; 606. Rubber ring; 607. Color wheel; 608. Motor; 609. Light plate; 610. LED light; 611. Label; 612. Differentiating block; 7. Rotating mechanism; 701. Connecting plate; 702. Actuating block; 703. Rotating disc; 704. Belt. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1-14 This invention provides a technical solution for a preoperative auxiliary examination device for ophthalmology: Example 1: according to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, an ophthalmic preoperative auxiliary examination device includes a console 1 and a slit lamp 2. A support mechanism 3 is connected to the console 1. The support mechanism 3 includes a support frame 301 and a balancing component. The support frame 301 slides on one side of the console 1 through the balancing component. The slit lamp 2 is installed at one end of the support frame 301. Furthermore, the balancing component includes a counterweight 302. The counterweight 302 is slidably connected to the bottom of the control console 1. Rotation dampers 304 are installed inside the side walls at both ends of the top of the control console 1. The rotation dampers 304 provide resistance to movement. A collar 305 is fixedly sleeved on the outer edge of the rotation damper 304. A pull rope 303 is wound on the collar 305. The two ends of the pull rope 303 are fixedly connected to the counterweight 302 and the support frame 301, respectively. The mass of the counterweight 302 is greater than the mass of the support frame 301 and the slit lamp 2, thereby balancing the mass at both ends of the pull rope 303, so that even a person with little strength can pull it. Furthermore, a limiting mechanism 4 is connected to the support frame 301. The limiting mechanism 4 includes a limiting block 402. A pair of limiting blocks 402 are slidably connected inside both ends of the support frame 301. A spring 403 abuts between the limiting block 402 and the support frame 301. When the spring 403 is released, the limiting block 402 is separated from the support frame 301. A pressing block 401 is fixedly connected between the pair of limiting blocks 402. The pressing block 401 extends out of the support frame 301. The limiting block 402 is used to abut against the control console 1. The limiting block 402 is used to limit the movement during the test and prevent it from affecting the test. Furthermore, the end of the limit block 402 that contacts the control console 1 is made of rubber, and the end of the control console 1 that contacts the limit block 402 is provided with a frosted section, thereby increasing the friction when the limit block 402 and the control console 1 come into contact, so that they will not separate.

[0022] In practical use, before ophthalmic surgery, the eyes need to be examined using a slit lamp 2. The patient sits in a chair facing the support frame 301. Due to differences in individual height, the support frame 301 can be pulled downwards. The support frame 301 will pull the pull rope 303 downwards, thereby causing the collar 305 and the rotation damper 304 to rotate (the rotation damper 304 is a device that provides resistance to motion and reduces kinetic energy; here, it mainly provides rotational resistance to prevent the support frame 301 from sliding too quickly and causing impact during rapid resetting). At this time, the counterweight 302 will be pulled upwards. The mass of the counterweight 302 is slightly greater than the total mass of the support frame 301 and the slit lamp 2, thus... The support frame 301 is designed to be easy for patients to pull and move, thus adapting to different patient sizes. It eliminates the need for physicians to adjust the height of the slit lamp 2. After determining the desired height, the patient holds both sides of the support frame 301 and presses the pressing block 401, causing the rubber end of the limiting block 402 to come into close contact with the frosted section of the control panel 1. This compresses the spring 403, limiting the support frame 301 and facilitating the physician's examination. Holding the support frame 301 during the examination also increases the patient's focus and ensures better testing results (people often experience tension and hand tremors during testing; holding something effectively distracts attention, alleviates anxiety, and prevents excessive tension, thus increasing focus).

[0023] Example 2: Based on Example 1, such as Figure 1 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 As shown, a protective mechanism 5 is connected to the support frame 301. The protective mechanism 5 includes an installation strip 503 and a rotating component. A pair of installation strips 503 are fixedly connected to the support frame 301. A rubber roller 504 is rotatably connected to the side of the installation strip 503 away from the slit lamp 2. A winding roller 505 and a non-woven fabric roll 502 are installed on the installation strip 503 through the rotating component. The free end of the non-woven fabric passes around the rubber roller 504 and is inserted into the winding roller 505. The winding roller 505 has a through groove in the middle. After insertion, it can be wound and fixed by rotation. The non-woven fabric is flexible and easy to wind up. Furthermore, the rotating assembly includes connecting rods 509, with connecting rods 509 rotatably connected to both ends of the mounting strip 503. A knob 513 is fixedly connected to one end of the connecting rod 509 extending from the mounting strip 503, facilitating the physician's winding of the nonwoven fabric. Rubber blocks 507 are movably sleeved on the shafts at both ends of the nonwoven fabric roll 502. The rubber block 507 at one end of the nonwoven fabric roll 502 is inserted into the mounting strip 503. Transmission rods 508 are fixedly connected to both ends of the winding roller 505. The shaft end of the moving rod 508 has a rectangular structure, and the connecting rod 509 has a rectangular groove. The take-up roller 505 is inserted into the rectangular groove of the connecting rod 509 through the transmission rods 508 at both ends, which facilitates the insertion and driving of the two. The mounting strip 503 is fixed with a protective shell 501 by bolts. The inner wall of the protective shell 501 is provided with protrusions for contacting the rubber block 507 and the shaft end of the take-up roller 505, thereby increasing the stability during rotation by contacting the transmission rod 508 and the rubber block 507. Furthermore, a pair of racks 506 are fixedly connected to the top of the support frame 301. The racks 506 are used as the drive and the racks 506 slide through the toothed segments of the mounting strip 503 using the resetting force when the support frame 301 is reset. A gear 511 is rotatably connected to the connecting rod 509. The gear 511 is used to mesh with the racks 506. A concentric ratchet 510 is fixedly connected to the side wall of the gear 511. A pawl 512 is fixedly connected to the connecting rod 509. The pawl 512 meshes with the ratchet 510, which plays a role in one-way transmission and prevents the used non-woven fabric from being released when the support frame 301 is pulled down.

[0024] In practical use, since the support frame 301 is designed to be slightly higher than the average person's face when sitting, it needs to be pulled down during testing. When pulled down, the rack 506 is fixed, and the mounting strip 503 moves downwards. The rack 506 drives the gear 511 to rotate. Under the action of the ratchet 510 and pawl 512, the gear 511 can only drive the connecting rod 509 to rotate in one direction. Thus, the rack 506 drives the gear 511 to rotate freely. The initial position of the support frame 301 is with the forehead and chin touching the non-woven fabric roll 502 on the rubber roller 504. After testing, the support frame 301 is released, the limit block 402 is released, and the support frame 301 slowly returns to its original position under the pull of the counterweight 302. After the gear 511 and the rack 506 mesh, the gear 511 rotates in the opposite direction. The ratchet 510 drives the pawl 512 to rotate, which in turn drives the connecting rod 509 to rotate. The movement of the drive rod 508 and the winding roller 505 causes the used nonwoven fabric to be wound up. The nonwoven fabric roll 502 is released, and the rubber block 507 increases the friction, thus tightening the nonwoven fabric and automatically replacing the nonwoven fabric section. The next person uses an unused nonwoven fabric section, thus avoiding the spread of disease and making it safer and more hygienic. Unscrew the bolts on the protective shell 501, remove the protective shell 501, and pull out the used nonwoven fabric roll 502 to replace it with a new one. Put the rubber blocks 507 on both ends of the new nonwoven fabric roll 502 and insert the installation strip 503. Pull out the winding roller 505, and the drive rod 508 and the connecting rod 509 will separate, allowing for the replacement of the new one. The shaft end of the drive rod 508 has a rectangular structure, and the connecting rod 509 has a rectangular groove. The two are connected by a plug-in drive (the plug-in method can be changed to magnetic attraction, snap-fit, or other fixing methods), making disassembly convenient.

[0025] Example 3: Based on Example 2, such as Figure 1 , Figure 2 , Figure 4 , Figure 12 , Figure 13 and Figure 14 As shown, a guide mechanism 6 is connected to the support frame 301. The guide mechanism 6 includes a slide rod 601. A pair of slide rods 601 are slidably connected to the support frame 301. A guide block 602 is fixedly connected to the bottom end of the slide rod 601. A light plate 609 is fixedly connected to the side wall of the guide block 602. A through groove 604 communicating with the side wall of the light plate 609 is provided on the guide block 602. A color wheel 607 that cuts off the through groove 604 is rotatably connected to the guide block 602. A guide component for assisting the color wheel 607 is connected to the guide block 602 to facilitate the correction of the line of sight. Furthermore, the guide assembly includes a rubber ring 606. The control console 1 is rotatably connected to the slide bar 601 with the rubber ring 606. The slide bar 601 and the rubber ring 606 are slidably connected. The rubber ring 606 abuts against the support frame 301, thereby preventing the slide bar 601 from rotating arbitrarily. The guide block 602 is located on one side of the through groove 604 with a cross-shaped indicator strip 603 to facilitate eye alignment with the through groove 604. The color wheel 607 has multiple color areas. The guide block 602 is equipped with a motor 608. The rotating end of the motor 608 is in close contact with the edge of the color wheel 607, thereby facilitating the rotation of the color wheel 607. An LED light 610 is installed on the guide block 602 on the side wall of the light plate 609, and the LED light 610 provides light. Furthermore, the light plate 609 is a light diffusion plate, the color wheel 607 has light transmittance, one end of the LED lamp 610 extends out of the light plate 609, and each color area on the color wheel 607 has a different protruding distinguishing block 612 fixedly connected inside, and a label 611 corresponding to the color of the color wheel 607 and the order of the distinguishing block 612 is pasted on the guide block 602 near the slit lamp 2, so as to facilitate the physician's verification; Furthermore, a card frame 605 is fixedly connected to the support frame 301. The card frame 605 has a “]” shaped structure. The top of the card frame 605 is movably sleeved on the slide rod 601. The inner distance of the card frame 605 is greater than the height of the guide block 602. Furthermore, a rotating mechanism 7 is connected to the slide rod 601. The rotating mechanism 7 includes a connecting plate 701. The top ends of a pair of slide rods 601 are rotatably connected to the connecting plate 701. A rotating disk 703 is slidably connected to the slide rod 601. A cross belt 704 is wound between the pair of rotating disks 703. A lever block 702 is slidably connected to one of the slide rods 601, thereby causing the pair of slide rods 601 to rotate in opposite directions.

[0026] In practical use, the downward movement of the support frame 301 drives the downward movement of the frame 605, which in turn drives the guide block 602 downward. The guide block 602 can slide within the frame 605 (the distance from the eye to the chin and forehead is usually constant, facilitating quick adjustment of the guide block 602's position so that it is near the eye for easy adjustment later). Before testing, the patient's eye direction needs to be adjusted; the patient can look towards the through groove 604. The indicator strip 603 guides the position of the through groove 604. When the line of sight passes through the through groove 604, the color wheel 607 should be visible. The through groove 604 has a large depth. The size and depth of the specially designed through-groove 604 are suitable for most people (even though different people have different body sizes, their eye sizes are relatively similar, and the size and depth of the through-groove 604 can accommodate most people), thus facilitating the correction of the patient's vision. The LED light 610 illuminates the light plate 609, which is a light diffuser, thus diffusing the light entering from the side and making the entire light plate 609 bright. By using the light plate 609 as the light source, the glare of the LED light 610 is avoided, making the light softer and increasing the patient's comfort. The color wheel 607 has light transmittance, allowing the light plate 609 to illuminate the color wheel 607, thus... Seeing the color on the color wheel 607 corrects the patient's gaze. For patients with color weakness or poor color discrimination, the color wheel 607 has raised differentiating blocks 612 fixedly connected to it. When the LED light 610 illuminates the differentiating blocks 612, the light entering from the oblique side increases the three-dimensionality of the blocks (the light entering from the oblique side creates shadows on the raised areas, thus increasing the three-dimensionality), thereby improving the patient's recognition. Currently, before surgery, eye focus training is required. When the gaze is directed towards the color wheel 607, the motor 608 can be controlled to rotate, which in turn rotates the color wheel 607, thereby driving color changes and the cutting of the differentiating blocks 612. The different colored distinguishing blocks 612 are different, which helps the patient remember them and concentrate their attention, thus training their focus. The back of the guide block 602 has a label 611 that records the color order and the distinguishing blocks 612, which makes it convenient for the doctor to check. After the vision is corrected, the lever 702 is turned, which drives the slide bar 601 to rotate. Through the rotating disk 703 and the belt 704, another slide bar 601 is driven to rotate. The slide bar 601 is slidably fitted with a rubber ring 606. The rubber ring 606 abuts against the support frame 301, thus preventing the slide bar 601 from rotating arbitrarily, thereby causing the guide block 602 to rotate, so that the slit lamp 2 is aimed at the eyeball.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A preoperative auxiliary examination device for ophthalmology, comprising a control console (1) and a slit lamp (2), characterized in that: The control console (1) is connected to a support mechanism (3), which includes a support frame (301) and a balancing component. The support frame (301) slides on one side of the control console (1) via the balancing component. The slit lamp (2) is installed at one end of the support frame (301). A protective mechanism (5) is connected to the support frame (301). The protective mechanism (5) includes a mounting strip (503) and a rotating component. A pair of mounting strips (503) are fixedly connected to the support frame (301). A rubber roller (504) is rotatably connected to the side of the mounting strip (503) away from the slit lamp (2). A take-up roller (505) and a non-woven fabric roll (502) are mounted on the mounting strip (503) via the rotating component. The free end passes around the rubber roller (504) and is inserted into the take-up roller (505). A guide mechanism (6) is connected to the support frame (301). The guide mechanism (6) includes a slide rod (601). A pair of slide rods (601) are slidably connected to the support frame (301). A guide block (602) is fixedly connected to the bottom end of the slide rod (601). A light plate (609) is fixedly connected to the side wall of the guide block (602). A through groove (604) communicating with the side wall of the light plate (609) is provided on the guide block (602). A color wheel (607) that cuts off the through groove (604) is rotatably connected to the guide block (602). A guide component for assisting the color wheel (607) is connected to the guide block (602).

2. The ophthalmic preoperative auxiliary examination device according to claim 1, characterized in that: The balancing assembly includes a counterweight (302). The counterweight (302) is slidably connected to the bottom of the control console (1). Rotation dampers (304) are installed inside the side walls at both ends of the top of the control console (1). A collar (305) is fixedly sleeved on the outer edge of the rotation damper (304). A pull rope (303) is wound on the collar (305). The two ends of the pull rope (303) are fixedly connected to the counterweight (302) and the support frame (301) respectively. The mass of the counterweight (302) is greater than the mass of the support frame (301) and the slit lamp (2).

3. The ophthalmic preoperative auxiliary examination device according to claim 1, characterized in that: The rotating assembly includes a connecting rod (509), and the two ends of the mounting strip (503) are rotatably connected to the connecting rod (509). A knob (513) is fixedly connected to one end of the connecting rod (509) extending out of the mounting strip (503). Rubber blocks (507) are movably sleeved on the shafts at both ends of the nonwoven fabric roll (502). The rubber block (507) at one end of the nonwoven fabric roll (502) is inserted into the mounting strip (503). The two ends of the take-up roller (505) are fixedly connected to... A transmission rod (508) is connected, the shaft end of the transmission rod (508) is rectangular, and a rectangular groove is provided on the connecting rod (509). The take-up roller (505) is inserted into the rectangular groove of the connecting rod (509) through the transmission rods (508) at both ends. A protective shell (501) is fixed on the mounting strip (503) by bolts. The inner wall of the protective shell (501) is provided with protrusions for contacting the rubber block (507) and the shaft end of the take-up roller (505).

4. The ophthalmic preoperative auxiliary examination device according to claim 3, characterized in that: A pair of racks (506) are fixedly connected to the top of the support frame (301). The racks (506) slide through the mounting strip (503). The toothed segments of the racks (506) protrude. A gear (511) is rotatably connected to the connecting rod (509). The gear (511) is used to mesh with the racks (506). A concentric ratchet (510) is fixedly connected to the side wall of the gear (511). A pawl (512) is fixedly connected to the connecting rod (509). The pawl (512) meshes with the ratchet (510).

5. The ophthalmic preoperative auxiliary examination device according to claim 1, characterized in that: The guide assembly includes a rubber ring (606). The control console (1) is rotatably connected to the slide rod (601) with the rubber ring (606). The slide rod (601) and the rubber ring (606) are slidably connected. The guide block (602) is located on one side of the through groove (604) with a cross-shaped indicator strip (603). The color wheel (607) has multiple color areas. The guide block (602) has a motor (608) installed inside. The rotating end of the motor (608) is in close contact with the edge of the color wheel (607). An LED light (610) is installed on the guide block (602) on the side wall of the light plate (609).

6. The ophthalmic preoperative auxiliary examination device according to claim 5, characterized in that: The light plate (609) is a light diffusion plate, the color wheel (607) has light transmittance, one end of the LED lamp (610) extends out of the light plate (609), each color area on the color wheel (607) has a different protruding distinguishing block (612) fixedly connected inside, and the guide block (602) near the slit lamp (2) has a label (611) that corresponds to the color of the color wheel (607) and the order of the distinguishing block (612).

7. The ophthalmic preoperative auxiliary examination device according to claim 1, characterized in that: A card frame (605) is fixedly connected to the support frame (301). The card frame (605) has a "]" shaped structure. The top of the card frame (605) is movably sleeved on the slide rod (601). The inner distance of the card frame (605) is greater than the height of the guide block (602).

8. The ophthalmic preoperative auxiliary examination device according to claim 1, characterized in that: The support frame (301) is connected to a limiting mechanism (4), the limiting mechanism (4) includes a limiting block (402), a pair of limiting blocks (402) are slidably connected inside both ends of the support frame (301), a spring (403) abuts between the limiting block (402) and the support frame (301), a pressing block (401) is fixedly connected between the pair of limiting blocks (402), the pressing block (401) extends out of the support frame (301), and the limiting block (402) is used to abut against the control console (1).

9. The ophthalmic preoperative auxiliary examination device according to claim 8, characterized in that: The end of the limiting block (402) that abuts against the control console (1) is made of rubber, and the end of the control console (1) that abuts against the limiting block (402) is provided with a frosted section.

10. The ophthalmic preoperative auxiliary examination device according to claim 7, characterized in that: A rotating mechanism (7) is connected to the slide rod (601). The rotating mechanism (7) includes a connecting plate (701). The top ends of a pair of slide rods (601) are rotatably connected to the connecting plate (701). A rotating disk (703) is slidably connected to the slide rod (601). A cross belt (704) is wound between the pair of rotating disks (703). A lever (702) is slidably connected to one of the slide rods (601).

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