Body position fixing device for lumbar puncture

Abstract

The utility model relates to the technical field of medical instruments, and discloses a lumbar puncture body position fixing device which comprises a carrier plate, first air cylinders are fixedly connected to the edges of the two sides of the bottom wall, close to a first mounting groove, of the carrier plate, and a first rotating pin is rotationally connected to the middle of the bottom wall, close to the first mounting groove, of the carrier plate. A rotating plate is fixedly connected to the outer wall of the first rotating pin, connecting rods are rotatably connected to the two sides of the surface of the upper end of the rotating plate, first moving plates are rotatably connected to the ends, away from the first rotating pin, of the connecting rods, and two first connecting plates are fixedly connected to the surfaces of the upper ends of the two first moving plates; and the upper end surfaces of two adjacent first connecting plates are fixedly connected with the same positioning seat. According to the utility model, through the matching arrangement of the positioning seat and the arc-shaped plate, the activity space of a patient can be compressed, the patient is forced to keep a fixed body position, and the assistance of another medical personnel is not needed in the operation process.

Description

Technical Field

[0001] The utility model relates to the technical field of medical appliances, in particular to a body position fixing device for lumbar puncture. Background Art

[0002] Lumbar puncture is a commonly used clinical diagnostic and treatment procedure. It can be used to diagnose various inflammatory diseases of the central nervous system, vascular diseases, spinal cord lesions, suspected intracranial space-occupying lesions, undiagnosed neurological diseases, pneumoencephalography, myelography, etc.; it is also used to drain (decompress) cerebrospinal fluid due to excessive pressure and inject drugs to treat central nervous system diseases.

[0003] Lumbar puncture requires extremely high patient posture. The patient needs to lie on his side with his legs bent, knees close to the chest and back arched. However, during the operation, it is difficult for the patient to maintain this posture for a long time and requires the assistance of another medical staff. This operation is extremely troublesome, increases the difficulty of the medical staff's work, and is time-consuming and labor-intensive. Utility Model Content

[0004] In order to make up for the above deficiencies, the present invention provides a body position fixing device for lumbar puncture, which aims to improve the problem that it is difficult for patients to maintain a fixed body position during lumbar puncture surgery, which increases the difficulty of work for medical personnel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a body position fixing device for lumbar puncture, comprising a carrier plate, a first mounting groove is provided in the inner middle portion of the carrier plate, and the two side edges of the bottom wall of the carrier plate near the first mounting groove are fixedly connected to the first cylinder, the carrier plate is rotatably connected to the first rotating pin near the middle of the bottom wall of the first mounting groove, the outer wall of the first rotating pin is fixedly connected to the rotating plate, both sides of the upper end surface of the rotating plate are rotatably connected to the connecting rod, and the end of the connecting rod away from the first rotating pin is rotatably connected to the first movable plate, the output ends of the two first cylinders are fixedly connected to the side end surface of one of the first movable plates, the upper end surfaces of the two first movable plates are fixedly connected to the two first connecting plates, wherein the upper end surfaces of two adjacent first connecting plates are fixedly connected to the same positioning seat, and the upper end surfaces of the other two first connecting plates are fixedly connected to the same arc plate, the inner upper portion of the carrier plate is provided with a second mounting groove, and a transmission assembly is arranged inside the second mounting groove.

[0006] The top end face of said sliding panel also is provided with an interlocking structure, and the interlocking structure is designed so that said sliding panel also is provided with an interlocking structure. The interlocking structure is designed to interlock the second end of the sliding panel and to interlock the second end of the sliding panel.

[0007] Preferably, one side end surface of the arc plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a bidirectional threaded rod, the bidirectional threaded rod is installed inside the arc plate, the outer wall of the bidirectional threaded rod is threadedly connected to two evenly arranged slides, one side end surface of the slide is fixedly connected to a connecting column, and the end of the connecting column away from the slide is fixedly connected to a second limit plate.

[0008] Preferably, four first limiting grooves are provided on the upper end surface of the carrier plate, and each of the first connecting plates is arranged in a corresponding first limiting groove.

[0009] Preferably, the carrier plate is fixedly connected to the four second guide rails near the bottom wall of the first mounting groove, and two saddles are installed at the bottom end of each first movable plate, and the saddles are slidably connected to the second guide rails.

[0010] Preferably, one end surface of the first limiting plate is fixedly connected to the second flexible pad.

[0011] Preferably, a second limiting groove is provided in the middle portion of the upper end surface of the carrier plate, and the second connecting plate is arranged inside the second limiting groove.

[0012] Preferably, a first flexible pad is provided on the middle portion of the surface of one end of the arc-shaped plate close to the positioning seat.

[0013] Preferably, the bottom surface of the carrier plate is fixedly connected to four evenly arranged support frames.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, a first movable plate is driven to move by a first cylinder, thereby moving the positioning seat, and then the other first movable plate can be moved by the arrangement of two connecting rods and a rotating plate, so that the movement direction of the arc plate is opposite to the positioning seat. The coordinated arrangement of the positioning seat and the arc plate can compress the patient's activity space and force the patient to maintain a fixed position. During the operation, no other medical staff is required to assist, thereby reducing the labor intensity of the medical staff.

[0016] 2. In the present invention, the movement of the mounting plate is driven by the second cylinder, and because the first rack is fixedly arranged, the moving distance of the second movable plate can be twice the stroke of the second cylinder. Therefore, the moving distance of the first limiting plate can be increased, which is suitable for use in small spaces, so that the first limiting plate can better limit the abdominal position of patients of different body shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of a body position fixing device for lumbar puncture proposed by the present invention;

[0018] Figure 2 This is a front cross-sectional view of a carrier plate of a body position fixation device for lumbar puncture proposed by the present invention;

[0019] Figure 3 This is a schematic structural diagram of a first cylinder, a connecting rod and an arc-shaped plate of a body position fixing device for lumbar puncture proposed by the present invention;

[0020] Figure 4 This is a schematic structural diagram of a servo motor, a slide plate and a second limiting plate of a body position fixing device for lumbar puncture proposed by the present invention;

[0021] Figure 5 This is a structural schematic diagram of a first guide rail, a second movable plate and a first limiting plate of a body position fixing device for lumbar puncture proposed by the present invention;

[0022] Figure 6 This is a structural schematic diagram of the second cylinder, gear and second movable plate of a body position fixing device for lumbar puncture proposed by the utility model.

[0023] Legend:

[0024] 1. Carrier plate; 2. Support frame; 3. Arc plate; 4. First flexible pad; 5. First limiting groove; 6. Positioning seat; 7. First limiting plate; 8. Second limiting groove; 9. Second flexible pad; 10. First cylinder; 11. Rotating plate; 12. First rotating pin; 13. Connecting rod; 14. First movable plate; 15. First connecting plate; 16. Servo motor; 17. Connecting column; 18. Second limiting plate; 19. Bidirectional threaded rod; 20. Slide plate; 21. First mounting groove; 22. Second mounting groove; 23. Second cylinder; 24. First fixed plate; 25. First guide rail; 26. Second connecting plate; 27. Second movable plate; 28. Mounting plate; 29. Second rotating pin; 30. Gear; 31. Second fixed plate; 32. First rack; 33. Second rack; 34. Second guide rail. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Reference Figure 1-Figure 3, the utility model provides an embodiment: a body position fixing device for lumbar puncture, comprising a carrier plate 1, the bottom end surface of the carrier plate 1 is fixedly connected to four evenly arranged support frames 2, a first mounting groove 21 is provided in the inner middle part of the carrier plate 1, and the edges on both sides of the bottom wall of the carrier plate 1 near the first mounting groove 21 are fixedly connected to the first cylinder 10, the carrier plate 1 is rotatably connected to the first rotating pin 12 near the middle of the bottom wall of the first mounting groove 21, the outer wall of the first rotating pin 12 is fixedly connected to the rotating plate 11, and the upper end surface of the rotating plate 11 is rotatably connected to the connecting rod 13 on both sides, and the end of the connecting rod 13 away from the first rotating pin 12 is rotatably connected to the first movable plate 14, the carrier plate 1 is fixedly connected to four second guide rails 34 near the bottom wall of the first mounting groove 21, two sliding saddles are installed at the bottom end of each first movable plate 14, the sliding saddle is slidably connected to the second guide rail 34, and the output ends of the two first cylinders 10 are fixedly connected to a first movable plate 1 4, the piston rods 10 of the two first cylinders are respectively connected to the left and right sides of the same end surface of the first movable plate 14 to ensure the uniformity of the force on the first movable plate 14. The upper end surfaces of the two first movable plates 14 are fixedly connected to the two first connecting plates 15. Four first limiting grooves 5 are provided on the upper end surface of the carrier plate 1. Each first connecting plate 15 is arranged in the corresponding first limiting groove 5. The first limiting groove 5 can limit the moving distance of the arc plate 3 and the positioning seat 6. The upper end surfaces of two adjacent first connecting plates 15 are fixedly connected to the same positioning seat 6, and the upper end surfaces of the other two first connecting plates 15 are fixedly connected to the same arc plate 3. A first flexible pad 4 is provided in the middle of one end surface of the arc plate 3 close to the positioning seat 6. The first flexible pad 4 can protect the patient's neck. A second mounting groove 22 is provided on the upper inner part of the carrier plate 1, and a transmission assembly is provided inside the second mounting groove 22.

[0027] Specifically, an electromagnetic valve is installed at the air inlet of the first cylinder 10, so that the first cylinder 10 has a self-locking function, thereby fixing the first movable plate 14; the positioning seat 6 can provide a support point for the patient's feet, and the curved plate 3 can make the patient's head bend; and the two first cylinders 10 can make the first movable plate 14 move, and then the other first movable plate 14 can be driven to move through the two connecting rods 13 and the rotating plate 11, so that the curved plate 3 and the positioning seat 6 move relative to each other. This setting can not only be adjusted according to the patient's height, but also the patient's activity space can be compressed, forcing the patient to always maintain a bowed state.

[0028] Reference Figure 2 、 Figure 5 and Figure 6The transmission assembly includes a second cylinder 23, a mounting plate 28 and a gear 30. The carrier plate 1 is fixedly connected to the second cylinder 23 near the bottom wall of the second mounting groove 22. The output end of the second cylinder 23 is fixedly connected to the mounting plate 28. The mounting plate 28 is C-shaped. The inner rotation of the mounting plate 28 is connected to the second rotating pin 29. The outer wall of the second rotating pin 29 is fixedly connected to the gear 30. One side outer wall of the gear 30 is meshed with the first rack 32. One side end surface of the first rack 32 is fixedly connected to the second fixed plate 31. The bottom end surface of the second fixed plate 31 is fixedly connected to the bottom wall of the carrier plate 1 near the second mounting groove 22. This arrangement can fix the first rack 32, and the other side outer wall of the gear 30 is meshed with the second rack 33. The upper end surface of 33 is fixedly connected to the second movable plate 27, and the two sides of the bottom wall of the carrier plate 1 near the second mounting groove 22 are fixedly connected to the first fixed plate 24. The upper end surface of the first fixed plate 24 is fixedly connected to the first guide rail 25, and the bottom end of the second movable plate 27 is slidably connected to the two first guide rails 25. The upper end surface of the second movable plate 27 is fixedly connected to the second connecting plate 26. A second limiting groove 8 is provided in the middle part of the upper end surface of the carrier plate 1, and the second connecting plate 26 is arranged inside the second limiting groove 8. The second limiting groove 8 can limit the moving distance of the second connecting plate 26, thereby limiting the position of the first limiting plate 7. The upper end surface of the second connecting plate 26 is fixedly connected to the first limiting plate 7, and one end surface of the first limiting plate 7 is fixedly connected to the second flexible pad 9.

[0029] Specifically, the second cylinder 23 is equipped with a self-locking device such as a solenoid valve. The second cylinder 23 drives the movement of the mounting plate 28, and the first rack 32 is fixed, so that the gear 30 drives the second rack 33 to move, thereby moving the first limiting plate 7. This setting can make the moving distance of the first limiting plate 7 twice the stroke of the second cylinder 23, which is suitable for installation in a small space. The first limiting plate 7 can therefore limit the abdominal position of different body shapes, thereby further limiting the patient's activity space.

[0030] Reference Figure 1 、 Figure 3 and Figure 4 The side end surface of one side of the arc plate 3 is fixedly connected to the servo motor 16, and the output end of the servo motor 16 is fixedly connected to the bidirectional threaded rod 19. The bidirectional threaded rod 19 is installed inside the arc plate 3. The outer wall of the bidirectional threaded rod 19 is threadedly connected to two evenly arranged skateboards 20. The interiors of the two skateboards 20 are respectively provided with threads with different spiral directions to adapt to the thread segments of different bidirectional threaded rods 19. The side end surface of one side of the skateboard 20 is fixedly connected to the connecting column 17, and the end of the connecting column 17 away from the skateboard 20 is fixedly connected to the second limit plate 18.

[0031] Specifically, the second limiting plate 18 can be made of elastic material as needed, and the two slides 20 can be moved toward each other through the bidirectional threaded rod 19, so that the second limiting plate 18 moves relatively, so that the second limiting plate 18 can limit the patient's elbows and upper back respectively.

[0032] Working principle: the patient lies in the middle of the carrier 1 and takes a fixed position. The first cylinder 10 drives a first movable plate 14 to move, thereby moving the positioning seat 6, and then through the relationship between the two connecting rods 13 and the rotating plate 11, the other first movable plate 14 can be moved, so that the arc plate 3 and the positioning seat 6 move relative to each other, according to the patient's height, the patient's activity space is compressed, forcing the patient to maintain the position; starting the servo motor 16, the bidirectional threaded rod 19 can be rotated, thereby moving the two slides 20 relative to each other, so that the second limit plate 18 limits the patient's elbows and upper back; finally, starting the second cylinder 23, because the first rack 32 is fixed, the setting of the gear 30 and the second rack 33 can increase the moving distance of the first limit plate 7, so that the first limit plate 7 limits the patient's abdomen.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A body position fixation device for lumbar puncture, comprising a carrier plate (1), characterized in that: A first mounting groove (21) is provided in the middle of the inner portion of the carrier plate (1), and both sides of the bottom wall of the carrier plate (1) near the first mounting groove (21) are fixedly connected to the first cylinder (10). The middle of the bottom wall of the carrier plate (1) near the first mounting groove (21) is rotatably connected to the first rotating pin (12), and the outer wall of the first rotating pin (12) is fixedly connected to the rotating plate (11). Both sides of the upper end surface of the rotating plate (11) are rotatably connected to the connecting rod (13), and the end of the connecting rod (13) away from the first rotating pin (12) is rotatably connected to the first movable plate (14). The output ends of the first cylinders (10) are fixedly connected to the side end surface of one of the first movable plates (14), the upper end surfaces of the two first movable plates (14) are fixedly connected to the two first connecting plates (15), wherein the upper end surfaces of two adjacent first connecting plates (15) are fixedly connected to the same positioning seat (6), and the upper end surfaces of the other two first connecting plates (15) are fixedly connected to the same arc-shaped plate (3), and a second mounting groove (22) is provided on the upper inner portion of the carrier plate (1), and a transmission assembly is provided inside the second mounting groove (22).

2. A body position fixation device for lumbar puncture according to claim 1, characterized in that: The transmission assembly includes a second cylinder (23), a mounting plate (28) and a gear (30); the carrier plate (1) is fixedly connected to the second cylinder (23) near the bottom wall of the second mounting groove (22); the output end of the second cylinder (23) is fixedly connected to the mounting plate (28); the interior of the mounting plate (28) is rotatably connected to the second rotating pin (29); the outer wall of the second rotating pin (29) is fixedly connected to the gear (30); one side outer wall of the gear (30) is meshed with the first rack (32); one side end surface of the first rack (32) is fixedly connected to the second fixed plate (31); the bottom end surface of the second fixed plate (31) is fixedly connected to the carrier plate (1) On the bottom wall near the second mounting groove (22), the outer wall on the other side of the gear (30) is meshed with the second rack (33), the upper end surface of the second rack (33) is fixedly connected to the second movable plate (27), both sides of the bottom wall of the carrier plate (1) near the second mounting groove (22) are fixedly connected to the first fixed plate (24), the upper end surface of the first fixed plate (24) is fixedly connected to the first guide rail (25), the bottom end of the second movable plate (27) is slidably connected to the two first guide rails (25), the upper end surface of the second movable plate (27) is fixedly connected to the second connecting plate (26), and the upper end surface of the second connecting plate (26) is fixedly connected to the first limiting plate (7).

3. The body position fixation device for lumbar puncture according to claim 1, characterized in that: One side end surface of the arc plate (3) is fixedly connected to a servo motor (16), an output end of the servo motor (16) is fixedly connected to a bidirectional threaded rod (19), the bidirectional threaded rod (19) is installed inside the arc plate (3), the outer wall of the bidirectional threaded rod (19) is threadedly connected to two evenly arranged slides (20), one side end surface of the slide (20) is fixedly connected to a connecting column (17), and the end of the connecting column (17) away from the slide (20) is fixedly connected to a second limit plate (18).

4. A body position fixation device for lumbar puncture according to claim 1, characterized in that: Four first limiting grooves (5) are provided on the upper end surface of the carrier plate (1), and each of the first connecting plates (15) is arranged in a corresponding first limiting groove (5).

5. The body position fixation device for lumbar puncture according to claim 1, characterized in that: The carrier plate (1) is fixedly connected to four second guide rails (34) near the bottom wall of the first mounting groove (21), and two saddles are installed at the bottom end of each first movable plate (14), and the saddles are slidably connected to the second guide rails (34).

6. The body position fixation device for lumbar puncture according to claim 2, characterized in that: One end surface of the first limiting plate (7) is fixedly connected to the second flexible pad (9).

7. The body position fixation device for lumbar puncture according to claim 2, characterized in that: A second limiting groove (8) is provided in the middle of the upper end surface of the carrier plate (1), and the second connecting plate (26) is arranged inside the second limiting groove (8).

8. The body position fixation device for lumbar puncture according to claim 1, characterized in that: A first flexible pad (4) is provided on the middle portion of an end surface of the arc-shaped plate (3) close to the positioning seat (6).

9. The body position fixation device for lumbar puncture according to claim 1, characterized in that: The bottom surface of the carrier plate (1) is fixedly connected to four evenly arranged support frames (2).

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