Auxiliary instrument for manual reduction of lumbar fracture

By using a multi-level locking structure and a cylinder-driven protective plate adjustment, the problem of the difficulty in replacing the pillow pad in existing auxiliary devices for manual reduction of lumbar fractures has been solved. This enables rapid replacement of the pillow pad and flexible adjustment of the protective plate, improving the applicability and efficiency of the device, and enhancing patient safety and comfort.

CN223696108UActive Publication Date: 2025-12-23HAINAN SECOND PEOPLES HOSPITAL
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Patent Information

Application Number
CN202422897944.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-12-23
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Most of the pillow pads in existing auxiliary devices for manual reduction of lumbar fractures are single or fixed, making it difficult to replace them with different types. This fails to meet the diverse needs of different patients at different stages of rehabilitation, and the replacement operation is complicated, reducing the efficiency of the device.

Method used

An auxiliary device for manual reduction of lumbar vertebral fractures was designed. It adopts a multi-level snap-fit ​​structure for the pillow pad installation method, combined with the cylinder-driven angle adjustment of the protective plate, to achieve quick replacement of the pillow pad and flexible adjustment of the protective plate, so as to meet the needs of different patients.

Benefits of technology

It enables quick replacement of the pillow pad and flexible adjustment of the protective plate, improving the applicability and efficiency of the device, meeting the needs of patients in different recovery stages, and enhancing patient safety and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rehabilitation training, and discloses an auxiliary instrument for lumbar fracture manual reduction, which comprises a base, the left side and the right side of the top of the base are respectively provided with a plurality of mounting grooves, the inner walls of the two mounting grooves are connected with a pillow plate in a sliding manner, and the left side and the right side of the bottom of the pillow plate are respectively provided with two square through holes. The device comprises a base, two square grooves are formed in the left side and the right side of the base correspondingly, U-shaped plates are slidably connected to the inner walls of the two square grooves, round holes are formed in the front side and the rear side of the interior of each U-shaped plate, positioning grooves are formed in the left side and the right side of the top of the base correspondingly, and placing plates are slidably connected to the inner walls of the positioning grooves. The fixing firmness of the pillow base plate is guaranteed, and the pillow base plate is convenient to disassemble and assemble. Through the design that the pillow base plate can be rapidly replaced, medical staff or a patient can easily replace the pillow base plate according to needs, the applicability of the device is improved, and the use efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rehabilitation training, especially lumbar vertebra fracture manual reduction auxiliary instrument. BACKGROUND

[0002] Lumbar vertebra fracture refers to the fracture of lumbar vertebra, which usually occurs in the lower back of the lumbar vertebra. The lumbar vertebra is one of the largest parts of the spine in the human body, which is composed of five vertebrae and bears the weight and movement pressure of the body. Lumbar vertebra fracture is usually caused by external force, such as traffic accidents, falls, sports injuries, etc. The symptoms of lumbar vertebra fracture include severe pain, stiffness in the waist, limited movement, and paresthesia. Compression fracture refers to the compression of the anterior part of the vertebral body, which is a stable fracture. Patients usually show symptoms of local pain, swelling, and limited activity.

[0003] In actual work, for compression fracture, the vertebral compression is less than 1 / 5, or the elderly cannot tolerate reduction and fixation, and is placed on a hard board bed, and a thick pillow is used for natural reduction at the fracture site.

[0004] However, in the prior art, the pillow pad of part of the lumbar vertebra fracture manual reduction auxiliary instrument is mostly single or fixedly installed, and it is difficult to replace different types of pillow pad. Different patients have different needs for pillow pad at different stages of lumbar vertebra rehabilitation. For example, in the early stage of rehabilitation, patients need high and soft pillow pad to reduce the pressure on the waist; in the later stage of rehabilitation, low and hard pillow pad is needed for more effective rehabilitation training. If only fixed pillow pad is provided, it cannot meet the diversified needs, and the replacement operation of the pillow pad is complex, time-consuming, and reduces the use efficiency of the device. Therefore, the lumbar vertebra fracture manual reduction auxiliary instrument is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a lumbar vertebra fracture manual reduction auxiliary instrument, which aims to improve the problem that the pillow pad of part of the lumbar vertebra fracture manual reduction auxiliary instrument in the prior art is mostly single or fixedly installed and difficult to replace different types of pillow pad, which affects the use efficiency of the device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Auxiliary device for manual reduction of lumbar fracture, comprising a base, a plurality of mounting slots are formed in the top of the base, a pillow plate is slidably connected to the inner wall of the two mounting slots, two square holes are formed in the bottom of the pillow plate, two square slots are formed in the left and right sides of the base, a U-shaped plate is slidably connected to the inner wall of the two square slots, a circular hole is formed in the front and rear sides of the interior of the U-shaped plate, a positioning slot is formed in the top of the base, a placing plate is slidably connected to the inner wall of the positioning slot, an insertion rod is fixedly connected to the front and rear sides of the bottom end of the placing plate, and a protection assembly is fixedly connected to the top end of the base for enhancing the safety of patient rehabilitation training;

[0008] As a further description of the above technical solution:

[0009] The protection assembly comprises a supporting block, the bottom end of the supporting block is fixedly connected to the top end of the base, the top end of the supporting block is fixedly connected to a supporting seat on the front and rear sides, a rotating rod is rotatably connected to the inner wall of the supporting seat, a rotating seat is fixedly connected to the outer portion of the rotating rod, a gas cylinder is fixedly connected to the top end of the rotating seat, a transmission block is fixedly connected to the driving end of the gas cylinder, a rotating block is rotatably connected to the top of the supporting seat, and a protection plate is fixedly connected to the top end of the rotating block.

[0010] As a further description of the above technical solution:

[0011] The inner wall of the two square holes is engaged with the outer portion of the U-shaped plate, and the outer wall of the insertion rod is engaged with the inner wall of the circular hole.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the positioning slot is formed with an insertion slot on the front and rear sides, and the outer wall of the insertion rod is slidably connected to the inner wall of the insertion slot.

[0014] As a further description of the above technical solution:

[0015] A sponge plate is fixedly connected to the top of the pillow plate, and a plurality of massage balls are fixedly connected to the front and rear sides of the top of the pillow plate.

[0016] As a further description of the above technical solution:

[0017] Two dampers are fixedly connected to the top end of the supporting block, and the top end of the two dampers is in contact with the bottom end of the pillow plate.

[0018] As a further description of the above technical solution:

[0019] The bottom of the protection plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding block, the front and rear inner walls of the sliding groove are fixedly connected with guide rods, and the inner wall of the sliding block is slidably connected to the outer wall of the guide rod;

[0020] As a further description of the above technical solutions:

[0021] The top of the transmission block is rotationally connected to the bottom of the sliding block, the outer part of the guide rod is sleeved with springs, the far sides of the two springs are fixedly connected to the inner walls of the far sides of the two sliding grooves, and the close sides of the two springs are fixedly connected to the far sides of the two sliding blocks.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, the square through hole in the bottom of the pillow pad plate is clamped with the U-shaped plate, the inserting rod at the bottom end of the placing plate is clamped with the circular hole in the U-shaped plate through the inserting groove, and the multi-level clamping structure guarantees the firmness of the pillow pad plate and facilitates disassembly and installation.

[0024] 2. In the utility model, the angle adjustment of the protection plate is realized through the cooperative work of the air cylinder and other components, and the body width and the risk of lateral turning of patients with different body sizes are different when they use the auxiliary device for lumbar fracture manual reduction. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the auxiliary device for lumbar fracture manual reduction of the utility model;

[0026] Figure 2 It is a structure schematic view of the pillow pad plate of the auxiliary device for lumbar fracture manual reduction of the utility model;

[0027] Figure 3 It is an enlarged view of A in the middle; Figure 2

[0028] Figure 4 ​The utility model provides a base's structure schematic view of auxiliary apparatus for lumbar vertebra fracture manipulation reduction.

[0029] Legend:

[0030] 1, base; 2, mounting groove; 3, pillow pad; 4, square through hole; 5, square groove; 6, U-shaped plate; 7, circular hole; 8, positioning groove; 9, placing plate; 10, inserting rod; 11, insertion slot; 12, sponge plate; 13, massage ball; 14, supporting block; 15, support seat; 16, rotating rod; 17, rotating seat; 18, air cylinder; 19, transmission block; 20, rotating block; 21, guard plate; 22, sliding groove; 23, sliding block; 24, guide rod; 25, damper. Specific embodiments

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 4 An embodiment provided by the utility model: auxiliary apparatus for lumbar vertebra fracture manipulation reduction, including base 1, base 1 is the basic structural part of the whole auxiliary apparatus for lumbar vertebra fracture manipulation reduction. It bears the important role of supporting other components and providing stability for the whole device. The top left and right sides of base 1 are respectively provided with a plurality of mounting grooves 2, the inner walls of two mounting grooves 2 are slidably connected with pillow pad 3, a plurality of mounting grooves 2 provide a variety of choices for the installation of pillow pad 3 to adapt to pillow pad 3 of different sizes, meet the needs of different patients. The bottom left and right sides of pillow pad 3 are respectively provided with two square through holes 4, the left and right sides of base 1 are respectively provided with two square grooves 5, the inner walls of two square grooves 5 are slidably connected with U-shaped plate 6, U-shaped plate 6 is an important component for fixing pillow pad 3. Its U-shaped structure design is to be able to cooperate with the square through hole 4 of pillow pad 3 and the square groove 5 of base 1, when U-shaped plate 6 is pushed into square groove 5 and is clamped with pillow pad 3, can tightly fix pillow pad 3, prevent its movement in horizontal direction. The inner walls of two square through holes 4 and the outside of U-shaped plate 6 are clamped, and the inside of U-shaped plate 6 is provided with circular hole 7 on the left and right sides.

[0033] The top of the base 1 is provided with a positioning groove 8 on the left and right sides, and the inner wall of the positioning groove 8 is slidably connected with a placing plate 9. The main function of the positioning groove 8 is to provide accurate positioning and sliding connection space for the placing plate 9. The bottom end of the placing plate 9 is fixedly connected with a plug rod 10 on the front and rear sides, and the outer wall of the plug rod 10 is engaged with the inner wall of the circular hole 7. The plug rod 10 is cylindrical in shape, and its diameter matches the diameter of the circular hole 7, so it can be tightly inserted into the circular hole 7. The inner wall of the positioning groove 8 is provided with a slot 11 on the front and rear sides, and the outer wall of the plug rod 10 is slidably connected to the inner wall of the slot 11. The slot 11 is located on the front and rear sides of the inner wall of the positioning groove 8, and its main function is to cooperate with the plug rod 10 to further fix the connection between the placing plate 9 and the U-shaped plate 6. The top of the pillow plate 3 is fixedly connected with a sponge plate 12, which can conform to the body curve of the patient and reduce the pressure on the patient's waist, providing a comfortable support surface. Especially for patients in the recovery period of lumbar vertebrae, it can avoid excessive compression of the waist. The top of the pillow plate 3 is fixedly connected with a plurality of massage balls 13 on the front and rear sides. When the patient lies on the pillow plate 3, the weight of the body will exert a certain pressure on the massage balls 13, which will massage the acupoints and muscles of the waist through the contact points with the waist, promote the blood circulation of the waist, and relieve muscle tension.

[0034] Referring to Figure 1 , Figure 2 and Figure 3 , the top end of the base 1 is fixedly connected with a protection assembly for enhancing the safety of patient rehabilitation training. The protection assembly is an important part of the entire auxiliary device for manual reduction of lumbar vertebral fracture to ensure the safety of the patient. The protection assembly comprises a support block 14, the bottom end of which is fixedly connected to the top end of the base 1. The top end of the support block 14 is fixedly connected with a support seat 15 on the front and rear sides. The inner wall of the support seat 15 is rotatably connected with a rotating rod 16. The main function of the support seat 15 is to provide a rotating connection support point for the rotating rod 16. The outer part of the rotating rod 16 is fixedly connected with a rotating seat 17. The top end of the rotating seat 17 is fixedly connected with a gas cylinder 18. The cooperation between the rotating seat 17 and the rotating rod 16 allows the output force of the gas cylinder 18 to change direction. The driving end of the gas cylinder 18 is fixedly connected with a transmission block 19. The gas cylinder 18 drives the transmission block 19 to move towards the axis of the gas cylinder 18 by generating power. The top of the support seat 15 is rotatably connected with a rotating block 20. The top end of the rotating block 20 is fixedly connected with a protection plate 21. The protection plate 21 is a component that directly acts to prevent the patient from rolling over and provides side protection. The main function of the rotating block 20 is to provide a rotating connection point for the protection plate 21, so that the protection plate 21 can rotate around the rotating block 20.

[0035] The bottom of the protection plate 21 is provided with a sliding groove 22, and the inner wall of the sliding groove 22 is slidably connected with a sliding block 23. The length of the sliding groove 22 can meet the requirement of angle adjustment of the protection plate 21, and the sliding block 23 has enough sliding space in the sliding groove 22, so that the effective angle adjustment of the protection plate 21 is realized. The top of the transmission block 19 is rotatably connected to the bottom of the sliding block 23, and the transmission block 19 is connected to the driving end of the air cylinder 18. The transmission block 19 transmits the linear motion of the air cylinder 18 to the sliding block 23. The front and rear inner walls of the sliding groove 22 are fixedly connected with guide rods 24, and the inner wall of the sliding block 23 is slidably connected to the outer wall of the guide rod 24. The main function of the guide rod 24 is to provide guidance and support for the sliding block 23, so as to ensure the accurate sliding of the sliding block 23 in the sliding groove 22. The outer part of the guide rod 24 is provided with a spring, the far side of the two springs is fixedly connected to the far side of the inner wall of the two sliding grooves 22, and the close side of the two springs is fixedly connected to the far side of the two sliding blocks 23. The spring can provide appropriate buffer force to avoid sudden impact force on the patient. The top of the support block 14 is fixedly connected with two dampers 25, and the top of the two dampers 25 is in contact with the bottom of the pillow plate 3. The main function of the damper 25 is to provide damping force during the operation of the device, and to play the role of buffering and stabilizing.

[0036] Working principle: through the setting of multiple groups of installation grooves 2 on the base 1, different sizes of pillow plates 3 can be installed. When it is necessary to install or replace the pillow plate 3, the pillow plate 3 is pressed into the corresponding installation groove 2, and then the U-shaped plate 6 is aligned with the square slot 5 on the base 1 and pushed in. At this time, the U-shaped plate 6 will be clamped and fixed with the square through hole 4 arranged in the pillow plate 3. Then the placement plate 9 is placed in the positioning groove 8, and the insertion rod 10 arranged at the bottom of the placement plate 9 is clamped and fixed with the circular hole 7 arranged in the U-shaped plate 6 through the insertion slot 11, thereby completing the fixation of the pillow plate 3. When it is necessary to disassemble, reverse operation can be performed, so that the quick replacement and fixation of different pillow plates 3 are realized, which can be suitable for patients in different recovery periods, increases the applicability of the device, and improves the use efficiency.

[0037] When the patient lies on the pillow plate 3, the air cylinder 18 is started to generate power to drive the transmission block 19 to move towards the axis of the air cylinder 18, so that the movement of the transmission block 19 drives the sliding block 23 to slide in the sliding groove 22. At the same time, the sliding block 23 slides along the guide rod 24 and compresses the spring, thereby enhancing the accuracy and stability of the movement. The driving of the air cylinder 18 will make the rotating seat 17 rotate around the rotating rod 16, and make the protection plate 21 rotate around the rotating block 20, so as to realize the angle adjustment of the protection plate 21 to adapt to patients of different sizes, prevent the patient from turning over when using the auxiliary instrument for lumbar fracture manual reduction, and prevent the patient from feeling uncomfortable when using the instrument on the left and right sides.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An auxiliary device for manual reduction of lumbar vertebra fracture, comprising a base (1), characterized in that: The top of the base (1) is provided with a plurality of mounting slots (2) on the left and right sides, respectively, the inner walls of the two mounting slots (2) are slidably connected with a pillow plate (3), the bottom of the pillow plate (3) is provided with two square holes (4) on the left and right sides, respectively, the left and right sides of the base (1) are provided with two square grooves (5), respectively, the inner walls of the two square grooves (5) are slidably connected with a U-shaped plate (6), the inside of the U-shaped plate (6) is provided with a circular hole (7) on the front and back sides, the top of the base (1) is provided with a positioning groove (8) on the left and right sides, respectively, the inner wall of the positioning groove (8) is slidably connected with a placing plate (9), the bottom end of the placing plate (9) is fixedly connected with a plug rod (10) on the front and back sides, and the top end of the base (1) is fixedly connected with a protection assembly for enhancing the safety of patient rehabilitation training.

2. The lumbar vertebra fracture reduction assisting apparatus according to claim 1, characterized by: The protection assembly comprises a supporting block (14), the bottom end of the supporting block (14) is fixedly connected to the top end of the base (1), the top end of the supporting block (14) is fixedly connected with a support seat (15) on the front and back sides, the inner wall of the support seat (15) is rotatably connected with a rotating rod (16), the outer portion of the rotating rod (16) is fixedly connected with a rotating seat (17), the top end of the rotating seat (17) is fixedly connected with a gas cylinder (18), the driving end of the gas cylinder (18) is fixedly connected with a transmission block (19), the top of the support seat (15) is rotatably connected with a rotating block (20), and the top end of the rotating block (20) is fixedly connected with a protection plate (21).

3. The lumbar vertebra fracture reduction assisting apparatus according to claim 1, characterized by: The inner walls of the two square holes (4) are engaged with the outer portion of the U-shaped plate (6), and the outer wall of the plug rod (10) is engaged with the inner wall of the circular hole (7).

4. The lumbar vertebra fracture reduction assisting apparatus according to claim 1, characterized by: The inner walls of the positioning groove (8) are provided with an insertion slot (11) on the front and back sides, respectively, and the outer wall of the plug rod (10) is slidably connected to the inner wall of the insertion slot (11).

5. The lumbar vertebra fracture reduction assisting apparatus according to claim 1, wherein: The top of the pillow plate (3) is fixedly connected with a sponge plate (12), and the top of the pillow plate (3) is fixedly connected with a plurality of massage balls (13) on the front and back sides, respectively.

6. The lumbar vertebra fracture reduction assisting apparatus according to claim 2, characterized by: The top end of the supporting block (14) is fixedly connected with two dampers (25), and the top end of the two dampers (25) is in contact with the bottom end of the pillow plate (3).

7. The lumbar vertebra fracture reduction assisting apparatus according to claim 2, characterized by: The bottom of the protection plate (21) is provided with a sliding groove (22), the inner wall of the sliding groove (22) is slidably connected with a sliding block (23), the front and back inner walls of the sliding groove (22) are fixedly connected with a guide rod (24), and the inner wall of the sliding block (23) is slidably connected to the outer wall of the guide rod (24).

8. The lumbar vertebra fracture reduction assisting apparatus according to claim 7, characterized by: The top of the transmission block (19) is rotatably connected to the bottom of the sliding block (23), the outer portion of the guide rod (24) is sleeved with a spring, the far side of the two springs is fixedly connected to the inner wall of the far side of the two sliding grooves (22), and the close side of the two springs is fixedly connected to the far side of the two sliding blocks (23).