Fracture micro-motion monitoring device

Abstract

The utility model relates to the technical field of fracture end micro-motion monitoring, in particular to a fracture micro-motion monitoring device which comprises a detection box, a first detection end and a second detection end, and the first detection end and the second detection end are arranged in the detection box. The first detection end comprises a first connecting base, a displacement sensor and a connecting plate, the first connecting base is in sliding connection with the detection box through a sliding groove in the bottom, the displacement sensor is arranged in the first connecting base, and the sensing end of the displacement sensor corresponds to the laser reflector plate of the second detection end; one side of the first connecting base is in sliding connection with the second detection end through a connecting plate; the second detection end comprises a second connecting base, a rectangular connecting block, a laser reflector plate and a full-bridge strain acquisition module, the rectangular connecting block is arranged in the second connecting base, and the laser reflector plate is arranged on the rectangular connecting block. The micro-motion monitoring device is simple in structure, can perform micro-motion monitoring on the joint of the fracture end in real time, and promotes the rehabilitation process of a patient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fracture end micro-motion monitoring, and particularly relates to a fracture micro-motion monitoring device. BACKGROUND

[0002] Fracture is a common traumatic disease, and after surgical treatment, the healing condition of the fracture end is crucial for the rehabilitation of the patient, however, the current clinical method for monitoring the micro-motion of the fracture healing site has certain limitations.

[0003] The traditional examination method generally adopts X-ray examination, which can provide the approximate image of the fracture site, but it is difficult to accurately evaluate the subtle structural changes of the fracture end and the biomechanical characteristics in the healing process, in addition, some detection methods based on biomarkers, such as the detection of specific proteins or hormones in blood, can reflect some physiological processes of fracture healing, but due to individual differences and other factors, the accuracy and specificity need to be improved, in clinical practice, doctors often rely on the symptoms, signs and regular imaging examination of patients to judge the healing condition of the fracture end. However, this method often has a lag, and cannot timely find the problems in the fracture healing process, which may affect the adjustment of the treatment plan and the rehabilitation process of the patient, therefore, there is an urgent need for a convenient and accurate monitoring device that can real-time monitor the micro-motion of the fracture end to meet the clinical needs. SUMMARY

[0004] In view of the technical problems in the background art, the utility model provides a fracture micro-motion monitoring device, which is not only simple in structure, but also can real-time monitor the micro-motion of the fracture end, thereby promoting the rehabilitation process of the patient.

[0005] The technical implementation scheme of the utility model is as follows:

[0006] A fracture micro-motion monitoring device, comprising a detection box, a first detection end and a second detection end, the inside of the detection box is respectively provided with the first detection end and the second detection end;The first detection end comprises a first connecting base, a displacement sensor and a connecting plate, the first connecting base is slidably connected with the detection box through a sliding groove at the bottom, the first connecting base is internally provided with the displacement sensor, and the sensing end of the displacement sensor is correspondingly arranged with the laser reflection sheet of the second detection end, and the first connecting base is slidably connected with the second detection end through the connecting plate on one side;The second detection end comprises a second connecting base, a rectangular connecting block, a laser reflection sheet and a full-bridge strain acquisition module, the inside of the second connecting base is provided with the rectangular connecting block, and the laser reflection sheet is arranged on the rectangular connecting block, and the inside of the second connecting base is provided with the full-bridge strain acquisition module;The first connecting base is slidably connected with the sliding groove at the bottom of the second connecting base through the connecting plate on one side.

[0007] Optionally, the full-bridge strain acquisition module is connected with the full-bridge strain gauge on the first connecting base.

[0008] Optionally, the first connecting base is connected with the clamping slot on the second cover plate through the first inserting plate; the second inserting plate penetrates through the rectangular opening on the detection box and the second connecting base and is connected with the first cover plate to form a fixed structure.

[0009] Optionally, the first connecting base and the second connecting base are provided with connecting shafts, and the connecting shafts are connected with the fracture steel plate.

[0010] Optionally, the first cover plate and the second cover plate are provided with first through holes and second through holes, and the first through holes and the second through holes are correspondingly arranged with the connecting shafts.

[0011] Optionally, the inside of the detection box is provided with a signal transmission module and a power supply module.

[0012] The utility model has the advantages that:

[0013] 1. The utility model discloses a first detection end and a second detection end are arranged in the inside of the detection box, the inside of the first detection end is provided with a first connecting base and a displacement sensor, the first connecting base is movably connected with the second detection end through a connecting plate, the connecting shafts of the first connecting base and the second connecting base are connected with the fracture when using, the displacement sensor can be used to real-time sensing the interval of the fracture, so that the fracture end micro-motion state can be distinguished, and the clinical real-time monitoring is facilitated.

[0014] 2. The utility model discloses a simple structure, and can be directly connected with the operation site, realizes real-time monitoring, realizes interval real-time monitoring through the full-bridge strain acquisition module and the full-bridge strain gauge, and transmits data, so that the whole monitoring is realized. DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a first detection end and second detection end connecting structure schematic view of the utility model.

[0017] Figure 3 It is a first detection end structure schematic view of the utility model.

[0018] Figure 4 It is a second detection end structure schematic view of the utility model.

[0019] Figure 5 It is an explosion schematic view of the utility model.

[0020] Figure 6 It is a full-bridge strain acquisition module structure schematic view of the utility model.

[0021] The meanings of the reference signs in the drawings are as follows: 1 - detection box, 2 - first detection end, 201 - first connecting base, 202 - first plug-in plate, 203 - displacement sensor, 204 - full-bridge strain gauge, 205 - connecting plate, 3 - second detection end, 301 - second connecting base, 302 - sliding groove, 303 - full-bridge strain acquisition module, 304 - second plug-in plate, 305 - rectangular connecting block, 306 - laser reflection sheet, 307 - rectangular opening, 4 - first cover plate, 5 - second cover plate, 6 - second through hole, 7 - first through hole. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. Only this statement, the up, down, left, right, front, back, inside, outside and other orientation words appearing or about to appear in the text of the utility model are based on the drawings of the utility model, and they are not specific limitations on the utility model.

[0023] As shown in Figures 1-6 A fracture micro-motion monitoring device, comprising a detection box 1, a first detection end 2 and a second detection end 3, the inside of the detection box 1 is respectively provided with the first detection end 2 and the second detection end 3; the first detection end 2 comprises a first connecting base 201, a displacement sensor 203 and a connecting plate 205, the first connecting base 201 is slidably connected with the detection box 1 through a sliding groove at the bottom, the displacement sensor 203 is arranged inside the first connecting base 201, and the sensing end of the displacement sensor 203 is arranged in correspondence with the laser reflection sheet 306 of the second detection end 3, and the first connecting base 201 is slidably connected with the second detection end 3 through the connecting plate 205 on one side; the second detection end 3 comprises a second connecting base 301, a rectangular connecting block 305, a laser reflection sheet 306 and a full-bridge strain acquisition module 303, the inside of the second connecting base 301 is provided with the rectangular connecting block 305, the laser reflection sheet 306 is arranged on the rectangular connecting block 305, and the inside of the second connecting base 301 is provided with the full-bridge strain acquisition module 303; the first connecting base 201 is slidably connected with the sliding groove 302 at the bottom of the second connecting base 301 through the connecting plate 205 on one side; the full-bridge strain acquisition module 303 is connected with the full-bridge strain gauge 204 on the first connecting base 201.

[0024] It should be noted that the traditional inspection method generally adopts X-ray inspection which can provide a rough image of the fracture site, but it is difficult to accurately evaluate the subtle structural changes of the fracture end and the biomechanical characteristics during the healing process. In addition, some detection methods based on biomarkers, such as the detection of specific proteins or hormones in blood, can reflect some physiological processes of fracture healing, but due to individual differences and other factors, their accuracy and specificity need to be improved. Based on this, in order to better grasp the healing degree of the fracture, we designed a fracture micro-motion monitoring device that can monitor the fracture in real time.

[0025] It should be further explained that in order to realize the monitoring of the fracture end, a first detection end 2 and a second detection end 3 are arranged inside the detection box 1, wherein a first connecting base 201, a displacement sensor 203 and a connecting plate 205 are arranged inside the first detection end 2, the first connecting base 201 is movably connected with a second connecting base 301 through the connecting plate 205, and a laser reflection sheet 306 is arranged on a rectangular connecting block 305 of the second connecting base 301 to cooperate with the displacement sensor 203 to monitor the moving distance in real time.

[0026] It should be further explained that in order to enable the displacement sensor 203 to sense the distance of the fracture in real time, the first connecting base 201 is connected with one side of the fracture end through a connecting shaft, and the first connecting base 201 is connected with the other end of the fracture through a connecting shaft. When the two ends of the fracture appear displacement, the displacement sensor 203 can sense the distance, and the distance of micro-motion and the state of micro-motion can be distinguished through the distance.

[0027] As shown in Figure 1 , Figure 4 and Figure 5 , the first connecting base 201 is connected with the clamping groove on the second cover plate 5 through the first plug plate 202; the second plug plate 304 penetrates the rectangular opening 307 on the detection box 1 and the second connecting base 301 and is connected with the first cover plate 4 to form a fixed structure; the first connecting base 201 and the second connecting base 301 are provided with connecting shafts, and the connecting shafts are connected with the steel plate at the fracture; the first cover plate 4 and the second cover plate 5 are provided with a first through hole 7 and a second through hole 6, and the first through hole 7 and the second through hole 6 are arranged corresponding to the connecting shafts; the inside of the detection box 1 is provided with a signal transmission module and a power supply module.

[0028] It needs to be explained that in order to realize the overall fixation, we first connect the base 201 through the first plug plate 202 with the clamping groove on the second cover plate 5, realize one end fixed, and the second connecting base 301 is connected with the detection box 1 through the second plug plate 304, realize one end fixed, in this structure, the second detection end 3 can be fixedly connected through the second plug plate 304, and the first detection end 2 is connected with the sliding groove in the second connecting base 301 through the connecting plate 205, can move left and right in the detection box 1, connected with the fracture end, when the skeleton heals, the gap of the fracture becomes smaller, the change of the gap is detected through the displacement sensor 203.

[0029] It needs to be further explained that we set full-bridge strain gauge 204 in the first connecting base 201, which has high precision and sensitivity, can effectively measure the small strain change, cooperate with the displacement sensor 203 to use, improve the accuracy.

[0030] The embodiments of the utility model are explained in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A bone fracture micro-motion monitoring device, comprising a detection box (1), a first detection end (2) and a second detection end (3), characterized in that, The inner part of the detection box (1) is respectively provided with a first detection end (2) and a second detection end (3); The first detection end (2) comprises a first connecting base (201), a displacement sensor (203) and a connecting plate (205), the first connecting base (201) is slidably connected with the detection box (1) through a sliding groove at the bottom, The first connecting base (201) is internally provided with the displacement sensor (203), and the sensing end of the displacement sensor (203) is correspondingly arranged with the laser reflection sheet (306) of the second detection end (3), and the first connecting base (201) is slidably connected with the second detection end (3) through the connecting plate (205) on one side; The second detection end (3) comprises a second connecting base (301), a rectangular connecting block (305), a laser reflection sheet (306) and a full-bridge strain acquisition module (303), the second connecting base (301) is internally provided with the rectangular connecting block (305), and the rectangular connecting block (305) is provided with the laser reflection sheet (306), The second connecting base (301) is internally provided with the full-bridge strain acquisition module (303); The first connecting base (201) is slidably connected with the sliding groove (302) at the bottom of the second connecting base (301) through the connecting plate (205) on one side; the full-bridge strain acquisition module (303) is connected with the full-bridge strain gauge (204) on the first connecting base (201).

2. A micro-motion monitoring device for bone fractures as defined in claim 1, characterized in that The first connecting base (201) is connected with the clamping groove on the second cover plate (5) through the first plug-in plate (202); The second plug-in plate (304) penetrates through the rectangular opening (307) on the detection box (1) and the second connecting base (301) and is connected with the first cover plate (4) to form a fixed structure.

3. A micro-motion monitoring device for monitoring bone fracture according to claim 1, wherein The first connecting base (201) and the second connecting base (301) are provided with connecting shafts, and the connecting shafts are connected with the steel plate at the fracture.

4. A micro-motion monitoring device for bone fractures as defined in claim 3, characterized in that The first cover plate (4) and the second cover plate (5) are provided with a first through hole (7) and a second through hole (6), and the first through hole (7) and the second through hole (6) are correspondingly arranged with the connecting shafts.

5. A micro-motion monitoring device for monitoring bone fracture according to claim 1, wherein The inner part of the detection box (1) is provided with a signal transmission module and a power supply module.

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