Longitudinal pressurization auxiliary device for lumbar vertebra magnetic resonance examination

Abstract

The utility model discloses a longitudinal pressurizing auxiliary device for lumbar vertebra magnetic resonance examination, which comprises a back fabric, two shoulder straps fixed at the upper end of the back fabric, two rear connecting straps fixed at the lower end of the back fabric, a pants body fixed between one ends of the two rear connecting straps, two front connecting straps fixed at the upper end of the pants body, and two rear connecting straps fixed at the lower end of the pants body. A connecting plate is fixed to one end of the shoulder strap, a first fixing seat and a second fixing seat are arranged on the connecting plate, a fixing shaft is fixed between the first fixing seat and the second fixing seat, an adjusting screw rod is rotationally connected between the first fixing seat and the second fixing seat, an adjusting penetrating hole and an adjusting threaded hole are formed in the adjusting sliding block, and the fixing shaft penetrates through the adjusting penetrating hole and the adjusting screw rod to be in threaded connection with the adjusting threaded hole. A front connecting block is fixed to the front connecting belt, a front connecting inserting groove is formed in the front connecting block, a front inserting rod is fixed to the first fixing base, a locking device is arranged on the first fixing base, and a tension meter is detachably arranged between the front connecting block and the first fixing base. The pressurization auxiliary device can simulate the load bearing state during lumbar vertebra nuclear magnetic resonance examination.

Description

Technical Field

[0001] This utility model belongs to the field of medical examination technology, specifically relating to a longitudinal compression auxiliary device for lumbar spine magnetic resonance imaging examination. Background Technology

[0002] Lumbar disc herniation (LDH) is the most common degenerative disease of the lumbar spine, with a high incidence rate in the population. In an article published in SPINE in 1976, Dr. Nachemson demonstrated that the pressure on the third lumbar intervertebral disc of a 70kg individual varied significantly depending on the body posture.

[0003] The Swedish company DynaWel was the first to develop a lumbar stressor to simulate the weight-bearing state during lumbar spine examinations. However, its cost is also high, making it unsuitable for widespread clinical application. Utility Model Content

[0004] The purpose of this invention is to provide a longitudinal compression auxiliary device for lumbar MRI examination, which can simulate the weight-bearing state during lumbar examination, is low in cost, and is suitable for widespread application.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a longitudinal compression auxiliary device for lumbar spine magnetic resonance imaging examination, comprising a back fabric, two shoulder straps fixed to the upper end of the back fabric, two rear connecting straps fixed to the lower end of the back fabric, a trouser body fixed between the ends of the two rear connecting straps away from the back fabric, two front connecting straps fixed to the upper end of the trouser body, the two front connecting straps corresponding one-to-one with the two shoulder straps, a compression structure provided between the front connecting straps and the corresponding shoulder straps, a connecting plate fixed to the end of the shoulder strap away from the back fabric, the compression structure comprising a first fixing seat, a second fixing seat, and an adjusting slider, the first fixing seat and the second fixing seat... On the connecting plate, a fixed shaft is fixed between the first fixed seat and the second fixed seat. An adjusting screw is also rotatably connected between the first fixed seat and the second fixed seat. The adjusting slider is provided with an adjusting through hole and an adjusting threaded hole. The fixed shaft passes through the adjusting through hole, and the adjusting screw is threadedly connected to the adjusting threaded hole. A front connecting block is fixed at the end of the front connecting strap away from the trouser body. A front connecting slot is provided on the front connecting block. A front insert rod that is inserted into the front connecting slot is fixed on the first fixed seat. A locking device for locking the front insert rod is provided on the first fixed seat. All of the above components are made of non-metallic materials. A tension gauge is detachably connected between the front connecting block and the first fixed seat.

[0006] Furthermore, a fixing ring is fixed on the housing of the force gauge, a through groove is provided on the first fixing seat, a through rod extending out of the through groove is fixed on the adjusting slider, a connecting hook is fixed at one end of the through rod extending out of the through groove, the connecting hook is pulled on the fixing ring, a front connecting ring is fixed on the front connecting block, and the pull hook of the force gauge is pulled on the front connecting ring.

[0007] Furthermore, a rotating handle is fixed to one end of the adjusting screw that extends out of the second fixed seat.

[0008] Furthermore, a waist support fabric is fixed between the two rear connecting straps, and both ends of the waist support fabric are fixed with straps.

[0009] Furthermore, the locking device is configured as a locking bolt, the front connecting block is provided with a front connecting threaded hole, the front connecting threaded hole communicates with the front connecting slot, and the locking bolt is threadedly connected to the front connecting threaded hole.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] (1) When in use, the user puts on the pants outside the machine room, with the back fabric on the user's back, and the shoulder straps and front connecting straps on the user's front side. Then, the tension gauge is connected between the front connecting block and the first fixed seat. Then, the adjusting screw is turned to drive the adjusting slider to move. The adjusting slider can pull the tension gauge to reach the required tension. Then, the locking device is used to limit the front insertion rod in the front connecting slot, thereby connecting the shoulder straps and the front connecting straps together. At this time, the tension gauge can be removed and then the user can go to the machine room for a lumbar MRI examination. This pressure assist device can simulate the load-bearing state during a lumbar MRI examination. This device is low in cost and suitable for promotion.

[0012] (2) When it is necessary to disassemble the tension timer, simply remove the connecting hook from the fixing ring and the pull hook from the front connecting ring. Disassembly is very convenient.

[0013] (3) When the end of the locking bolt abuts against the upper side of the front insert rod, it can limit the front insert rod and prevent the front insert rod from moving. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the pressurization auxiliary device of this utility model;

[0015] Figure 2 for Figure 1 A magnified view of a section at point I.

[0016] In the diagram: 1. Back fabric; 2. Shoulder straps; 3. Back connecting strap; 4. Pant body; 5. Front connecting strap; 6. Connecting plate; 7. First fixing seat; 8. Second fixing seat; 9. Adjusting slider; 10. Fixing shaft; 11. Adjusting screw; 12. Adjusting through hole; 13. Adjusting threaded hole; 14. Front connecting block; 15. Front connecting slot; 16. Front insert rod; 17. Locking device; 18. Tension gauge; 19. Fixing ring; 20. Through slot; 21. Through rod; 22. Connecting hook; 23. Front connecting ring; 24. Pull hook; 25. Rotating handle; 26. Waist support fabric; 27. Tie strap; 28. Front connecting threaded hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-2 This utility model provides a technical solution for a longitudinal compression auxiliary device for lumbar spine magnetic resonance imaging examination.

[0019] A longitudinal compression assist device for lumbar spine MRI examination includes a back fabric 1, with two shoulder straps 2 fixed to the upper end of the back fabric 1 and two rear connecting straps 3 fixed to the lower end of the back fabric 1. A trouser body 4 is fixed between the ends of the two rear connecting straps 3 away from the back fabric 1. Two front connecting straps 5 are fixed to the upper end of the trouser body 4, each corresponding to one of the two shoulder straps 2. A compression structure is provided between the front connecting straps 5 and their corresponding shoulder straps 2. A connecting plate 6 is fixed to the end of each shoulder strap 2 away from the back fabric 1. The compression structure includes a first fixing seat 7, a second fixing seat 8, and an adjusting slider 9. The first fixing seat 7 and the second fixing seat 8 are mounted on the connecting plate 6. A fixed shaft 10 is fixed between the seats 8. An adjusting screw 11 is rotatably connected between the first fixed seat 7 and the second fixed seat 8. The adjusting slider 9 is provided with an adjusting through hole 12 and an adjusting threaded hole 13. The fixed shaft 10 passes through the adjusting through hole 12. The adjusting screw 11 is threadedly connected to the adjusting threaded hole 13. A front connecting block 14 is fixed at the end of the front connecting strap 5 away from the trouser body 4. A front connecting slot 15 is provided on the front connecting block 14. A front insert rod 16 that is inserted into the front connecting slot 15 is fixed on the first fixed seat 7. A locking device 17 for locking the front insert rod 16 is provided on the first fixed seat 7. All of the above components are made of non-metallic materials. A tension gauge 18 is detachably connected between the front connecting block 14 and the first fixed seat 7.

[0020] In use, the user puts on the trousers 4 outside the machine room, with the back fabric 1 positioned at the user's back, and the shoulder straps 2 and front connecting strap 5 positioned at the user's front. The tension gauge 18 is then connected between the front connecting block 14 and the first fixed seat 7. The adjusting screw 11 is then rotated, causing the adjusting slider 9 to move. The slider 9 pulls the tension gauge 18 to the required tension. The locking device 17 then limits the front insertion rod 16 within the front connecting slot 15, thus connecting the shoulder straps 2 and the front connecting strap 5 together. At this point, the tension gauge 18 can be removed, and the user can proceed to the machine room for a lumbar MRI scan. This pressure-assisted device can simulate the weight-bearing state during a lumbar MRI scan. This device is low-cost and suitable for widespread adoption.

[0021] A retaining ring 19 is fixed to the housing of the force gauge 18. A through groove 20 is provided on the first fixed seat 7. A through rod 21 extending out of the through groove 20 is fixed to the adjusting slider 9. A connecting hook 22 is fixed to one end of the through rod 21 extending out of the through groove 20. The connecting hook 22 is pulled on the retaining ring 19. A front connecting ring 23 is fixed to the front connecting block 14. The pull hook 24 of the force gauge 18 is pulled on the front connecting ring 23, thereby connecting the force gauge 18 between the retaining ring 19 and the connecting hook 22. When it is necessary to disassemble the force gauge 18, simply remove the connecting hook 22 from the retaining ring 19 and the pull hook 24 from the front connecting ring 23.

[0022] To facilitate the adjustment of the rotation of the screw 11, a rotating handle 25 is fixed to one end of the screw 11 extending out of the second fixed seat 8. The rotation of the screw 11 can be easily adjusted by rotating the rotating handle 25.

[0023] A waist support fabric 26 is fixed between the two rear connecting straps 3. Both ends of the waist support fabric 26 are fixed with straps 27, and the two straps 27 are tied tightly around the waist.

[0024] The locking device 17 is a locking bolt. The front connecting block 14 has a front connecting threaded hole 28, which communicates with the front connecting slot 15. The locking bolt is threadedly connected to the front connecting threaded hole 28. When the end of the locking bolt abuts against the upper side of the front insert rod 16, it can limit the front insert rod 16 and prevent it from moving. When it is necessary to adjust the tension of the tension gauge 18, the locking bolt is rotated, and the end of the locking bolt moves away from the front insert rod 16, allowing for normal adjustment. Except for the tension gauge 18, all other components are non-metallic.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A longitudinal compression assist device for lumbar spine magnetic resonance imaging (MRI), characterized in that, The garment includes a back fabric, with two shoulder straps fixed to the upper end and two back connecting straps fixed to the lower end. A pant body is fixed between the ends of the two back connecting straps away from the back fabric. Two front connecting straps are fixed to the upper end of the pant body, each corresponding to one of the shoulder straps. A pressure-pressuring structure is provided between the front connecting straps and their corresponding shoulder straps. A connecting plate is fixed to the end of each shoulder strap away from the back fabric. The pressure-pressuring structure includes a first fixing seat, a second fixing seat, and an adjusting slider. The first fixing seat and the second fixing seat are located on the connecting plate. A fixed shaft is fixed between the fixed seats. An adjusting screw is rotatably connected between the first fixed seat and the second fixed seat. The adjusting slider is provided with an adjusting through hole and an adjusting threaded hole. The fixed shaft passes through the adjusting through hole. The adjusting screw is threadedly connected to the adjusting threaded hole. A front connecting block is fixed at the end of the front connecting strap away from the pants body. A front connecting slot is provided on the front connecting block. A front insert rod that is inserted into the front connecting slot is fixed on the first fixed seat. A locking device for locking the front insert rod is provided on the first fixed seat. All of the above components are made of non-metallic materials. A tension gauge is detachably connected between the front connecting block and the first fixed seat.

2. The longitudinal compression assist device for lumbar spine magnetic resonance imaging according to claim 1, characterized in that, A fixing ring is fixed on the housing of the force gauge, a through groove is provided on the first fixing seat, a through rod extending out of the through groove is fixed on the adjusting slider, a connecting hook is fixed at one end of the through rod extending out of the through groove, the connecting hook is pulled on the fixing ring, a front connecting ring is fixed on the front connecting block, and the pull hook of the force gauge is pulled on the front connecting ring.

3. The longitudinal compression assist device for lumbar spine magnetic resonance imaging according to claim 1, characterized in that, A rotating handle is fixed to one end of the adjusting screw that extends out of the second fixed seat.

4. The longitudinal compression assist device for lumbar spine magnetic resonance imaging according to claim 1, characterized in that, A waist support fabric is fixed between the two rear connecting straps, and both ends of the waist support fabric are fixed with straps.

5. A longitudinal compression assist device for lumbar spine magnetic resonance imaging according to claim 1, characterized in that, The locking device is configured as a locking bolt, and the front connecting block is provided with a front connecting threaded hole. The front connecting threaded hole communicates with the front connecting slot, and the locking bolt is threadedly connected to the front connecting threaded hole.

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