Positive and lateral position automatic overturning and positioning device for wrist joint X-ray radiography

The automatic flipping and positioning device for wrist X-ray imaging, using an electric drive mechanism and a fixed structure, solves the problem of inconsistent wrist position adjustment in traditional imaging, achieves stable adjustment of standard body position, improves diagnostic accuracy and efficiency, and reduces radiation dose.

CN223464046UActive Publication Date: 2025-10-24SHENZHEN NANSHAN DISTRICT PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423111512.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-10-24
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In traditional wrist X-ray imaging, it is difficult for the subject to uniformly adjust the position and angle of the wrist, resulting in inconsistent images, affecting diagnostic accuracy, and potentially increasing radiation dose and examination time.

Method used

Design an automatic flipping and positioning device for wrist joint X-ray imaging. The device uses an electric drive mechanism to precisely control the rotation of the left and right supports, achieving stable adjustment of the hand and wrist position and angle, including the fixing structure of the fingers and forearm, to ensure that the standard position is achieved for each imaging.

Benefits of technology

It improves the precision of X-ray imaging and the accuracy of image interpretation, reduces radiation dose, and enhances the comfort and efficiency of the examinee, especially for those with injuries or limited mobility, alleviating their pain and inconvenience.

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Abstract

An automatic overturning and positioning device for the front and side positions of wrist joint X-ray radiography comprises a device base, a left support and a right support, and the right end of the left support and the left end of the right support are rotatably installed together through a hinge shaft. The left support and the right support are each connected with an electric driving mechanism which drives the left support and the right support to rotate with the hinge shaft as the rotation center. The left support and the right support are provided with supporting faces used for placing the hands of a testee, and hand fixing structures used for binding the hands of the testee to the supporting faces are installed on the supporting faces. Rotation of the left support and the right support is accurately controlled through the electric driving mechanism, the placing positions and angles of the hands and the wrists of a testee can be stably adjusted, it is ensured that the completely unified and standard body positions can be achieved in each time of shooting, the X-ray shooting precision is greatly improved, image interpretation is more visual and accurate, and the shooting efficiency is improved. And the doctor can accurately judge the illness state.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical detection equipment technical field, concretely relates to a kind of for wrist joint X-ray film positive lateral automatic overturning positioning device. BACKGROUND

[0002] In the medical diagnosis field, wrist joint X-ray film is an important means to evaluate the wrist bone structure, diagnose fracture, arthritis and other pathological changes. In the traditional wrist joint X-ray shooting process, the measured person is usually required to actively cooperate, and the wrist is placed on the photographic bed. First, the positive position is shot, and then the lateral position is shot by turning 90 degrees. The self-adjustment of the measured person is crucial to obtain clear and standard images during this process.

[0003] However, the existing shooting skills have certain deficiencies. First, when the measured person adjusts the wrist position and angle, it is often difficult to ensure that each shooting can achieve completely unified and standard body position. This inconsistency can lead to difficulties in image interpretation and affect the doctor's accurate judgment of the disease. Especially when dealing with injured or disabled measured persons, they often cannot effectively cooperate due to pain, muscle stiffness or limited movement, making it more difficult to achieve the ideal state of the shooting position.

[0004] In addition, non-standard position shooting not only affects the accuracy of diagnosis, but also may increase the radiation dose received by the measured person, as multiple shots may be required to try to obtain satisfactory images. This not only prolongs the examination time of the measured person and increases their discomfort, but also poses a challenge to the effective use of medical resources. SUMMARY

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a kind of for wrist joint X-ray film positive lateral automatic overturning positioning device.

[0006] The utility model solves the technical problems thereof by adopting the following technical scheme:

[0007] A kind of for wrist joint X-ray film positive lateral automatic overturning positioning device, characterized by: including device base, left support and right support, the right end of left support and the left end of right support are rotatably installed together by hinged shaft, the left support and right support are both connected with an electric drive mechanism that drives it to rotate with hinged shaft as the center of rotation, two electric drive mechanisms are installed on device base;The left support and right support have a support surface for placing the hand of the measured person, the support surface is provided with a detection avoidance gap corresponding to the wrist joint to avoid interfering with the wrist joint movement;Hand fixing structure for binding the hand of the measured person on the support surface is installed on the support surface.

[0008] In the utility model, the hand fixing structure includes a finger constraint structure for fixing the fingers of the measured person and a forearm constraint structure for fixing the forearm of the measured person.

[0009] In the utility model, the finger constraint structure includes a plurality of rubber bands connected to the support surface, and the rubber bands are configured to allow the fingers to be inserted and constrained on the support surface by elasticity.

[0010] In the utility model, two connecting seats are arranged on the support surface, and an arm placing area for placing the forearm is formed between the two connecting seats, the forearm constraint structure includes a binding belt for binding the forearm in the arm placing area, and the connecting seat is provided with a binding belt insertion opening through which the binding belt passes.

[0011] In the utility model, the right end of the left support is provided with at least two left hinge parts distributed from front to back, the left end of the right support is provided with at least two right hinge parts distributed from front to back, and the left hinge parts and the right hinge parts are provided with hinge holes through which hinge shafts pass.

[0012] In the utility model, the left support and the right support are both provided with a linkage seat, the electric driving mechanism includes a driving motor, a driving rod and a driven rod, the driving motor is installed on the device base through a motor seat, one end of the driving rod is fixedly connected with the output rotating shaft of the driving motor, one end of the driven rod is provided with a first hinge joint allowing the one end of the driven rod to be rotatably connected with the other end of the driving rod, and the other end of the driven rod is provided with a second hinge joint allowing the other end of the driven rod to be rotatably connected with the linkage seat.

[0013] In the utility model, the driven rod includes a middle nut and two matching screw rods threadedly matched in screw holes at two ends of the middle nut, and the first hinge joint and the second hinge joint are respectively installed on the two matching screw rods.

[0014] In the utility model, the first hinge joint and the second hinge joint are both fisheye joints, and the linkage seat and the driving rod are both provided with mounting shafts matched with the inner rings of the fisheye joints.

[0015] In the utility model, the device base includes a mounting base and a protective shell, the protective shell is fixed on the top surface of the mounting base, and the electric driving mechanism is arranged on the top surface of the mounting base and located in the protective shell.

[0016] In the utility model, the device base is provided with a control device for controlling the operation of the driving motor.

[0017] The utility model discloses a beneficial effect: the utility model discloses through the accurate control of left support and right support's rotation of electric drive mechanism, can stably adjust the placement position and angle of the hand and the wrist of the person who is measured, ensure that every time shooting can reach the completely unified, standard body position, this not only greatly improves the precision of X -ray photography, also makes the image interpretation more intuitive, accurate, is helpful to the accurate judgement of the illness of doctor, has the advantages such as optimization person who is measured experience, reduce the radiation dose, improve the shooting efficiency and success rate etc. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further illustrated below in connection with the drawings and the embodiment:

[0019] Fig. 1 It is the perspective drawing of this embodiment;

[0020] Fig. 2 It is the perspective drawing of this embodiment after removing the protective shell;

[0021] Fig. 3 It is the schematic drawing of electric drive mechanism control right support overturning angle. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in connection with the drawings in the utility model embodiment.

[0023] It needs to be explained, if the utility model embodiment has involved the directionality instruction (such as upper, lower, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial......), then the directionality instruction is only used to explain the relative position relationship, movement condition etc. between the components in a certain specific attitude (as shown in the drawings), if the specific attitude changes, then the directionality instruction also changes accordingly.

[0024] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second" etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0025] Referring to Figs. 1-3 A kind of for wrist X-ray photographing positive side position automatic overturning positioning device, including device base 1, left support 2 and right support 3, the right end of left support 2 and the left end of right support 3 are rotatably installed together using hinged shaft 4, left support 2 and right support 3 are both connected with an electric drive mechanism 5 that rotates with hinged shaft 4 as the center of rotation, two described electric drive mechanisms 5 are installed on device base 1;Left support 2 and right support 3 have support surface for placing the hand of the measured person on, the support surface is equipped with the detection avoidance gap 100 corresponding to wrist joint to avoid interfering with the activity of wrist joint, the detection avoidance gap 100 is set from top to bottom;Hand fixing structure for binding the hand of the measured person on the support surface is installed on the support surface.

[0026] When working, left support 2 and right support 3 act independently, i.e. left support 2 acts, right support 3 does not act;And right support 3 acts, left support 2 does not act. For example, when the hand of the measured person is fixed on right support 3 by hand fixing structure, the electric drive mechanism 5 corresponding to right support 3 controls right support 3 to rotate with hinged shaft 4 as the center of rotation, so as to adjust the shooting angle of hand, in this process, left support 2 remains initial state and does not act, avoids interference to right support 3 and the hand on right support 3, as shown in Fig. 3 .

[0027] As a preferred embodiment, the hand fixing structure comprises a finger constraint structure for fixing the fingers of the subject and a forearm constraint structure for fixing the forearm of the subject. Further, the finger constraint structure comprises a plurality of rubber bands 6 connected to the support surface, each rubber band 6 corresponding to a finger, the rubber band 6 being configured to insert the finger and constrain the finger on the support surface by elasticity; the left support 2 and the right support 3 are each provided with a rubber band insertion opening for the insertion of the rubber band 6, so as to facilitate the installation of the rubber band 6. Still further, the support surface is provided with two connecting seats 200 protruding therefrom, and an arm placement area for placing the forearm is formed between the two connecting seats 200, and the forearm constraint structure comprises a strap 7 for binding the forearm in the arm placement area, and the connecting seat 200 is provided with a strap insertion opening for the strap 7.

[0028] In use, the fingers are inserted into the surrounding circle of the rubber band 6, and the rubber band 6 constrains the fingers, and then the forearm is bound by the strap 7, so that the wrist joint position is just corresponding to the detection avoidance notch 100, thereby ensuring that the left support 2 or the right support 3 can smoothly drive the arm to adjust the angle.

[0029] As a preferred embodiment, the right end of the left support 2 is provided with at least two left hinge portions distributed from front to back, the left end of the right support 3 is provided with at least two right hinge portions distributed from front to back, and the left hinge portions and the right hinge portions are provided with hinge holes for the insertion of the hinge shaft 4, so as to realize the combined installation of the hinge shaft 4 and the left support 2 and the right support 3. In addition, the left support 2 and the right support 3 are made of a light-transmitting material, so as to reduce the influence of the left support 2 and the right support 3 on X-rays.

[0030] As a preferred embodiment, the left support 2 and the right support 3 are each provided with a linkage seat 8, the electric driving mechanism 5 comprises a driving motor 51, a driving rod 52 and a driven rod 53, the driving motor 51 is installed on the device base 1 through a motor seat 54, one end of the driving rod 52 is fixedly connected with an output rotating shaft of the driving motor 51, one end of the driven rod 53 is installed with a first hinge joint 55 for rotatably connecting the one end of the driven rod 53 with the other end of the driving rod 52, and the other end of the driven rod 53 is installed with a second hinge joint 56 for rotatably connecting the other end of the driven rod 53 with the linkage seat 8.

[0031] Further, the driven rod 53 comprises a middle nut 531 and two matching screw rods 532 respectively threadedly matched in the screw holes at both ends of the middle nut 531, and the first hinge joint 55 and the second hinge joint 56 are respectively installed on the two matching screw rods 532, and through the above structure design, the total length of the driven rod 53 can be changed by adjusting the length of the matching screw rod 532 threadedly matched in the screw hole of the middle nut 531, so as to meet the transmission requirements.

[0032] Further, the first hinge joint 55 and the second hinge joint 56 are both fish-eye joints, and the linkage seat 8 and the driving rod 52 are both provided with installation shafts matched with the inner rings of the fish-eye joints, so as to realize the matching of the linkage seat 8 and the driving rod 52.

[0033] As a preferred implementation, the device base 1 comprises an installation base 11 and a protective shell 12, the protective shell 12 is fixed on the top surface of the installation base 11, and the electric driving mechanism 5 is arranged on the top surface of the installation base 11 and located in the protective shell 12, so as to protect the electric driving mechanism 5 by the protective shell 12 and improve the appearance of the device.

[0034] As a preferred implementation, the device base 1 is provided with a control device for controlling the operation of the driving motor 51, and the working parameters of the driving motor 51 are adjusted by the control device, so as to adjust the working flip angle of the left support 2 and the right support 3.

[0035] Further, the control device comprises a control module, a display screen 13, a general control switch 14, a first starting switch 15, a second starting switch 16, a first adjusting knob 17 and a second adjusting knob 18, the display screen 13, the general control switch 14, the first starting switch 15, the second starting switch 16, the first adjusting knob 17 and the second adjusting knob 18 are all installed on the protective shell 12 and exposed outside the protective shell 12; the control module is used for controlling the driving motor 51, the control module adopts a controller, the control module is arranged in the protective shell 12, and the driving motor 51, the display screen 13, the general control switch 14, the first starting switch 15, the first adjusting knob 17, the second starting switch 16 and the second adjusting knob 18 are all electrically connected with the control module, wherein the general control switch 14 is used for controlling the switch of the whole device, the first starting switch 15 is used for controlling the starting and stopping of the driving motor 51 corresponding to the left support 2, the first adjusting knob 17 is used for controlling the angle of the driving motor 51 corresponding to the left support 2 driving the left support 2 to rotate and swing, the second starting switch 16 is used for controlling the starting and stopping of the driving motor 51 corresponding to the right support 3, and the second adjusting knob 18 is used for controlling the angle of the driving motor 51 corresponding to the right support 3 driving the right support 3 to rotate and swing.

[0036] As a preferred implementation, the motor seat 54 is installed on the top surface of the installation base 11, the motor seat 54 is provided with a photoelectric sensor 57 electrically connected with the control module, and the driving rod 52 is installed with a code disc 58 used for matching the photoelectric sensor 57 to detect the speed and angle, so as to improve the accuracy of the swing angle of the left support 2 and the right support 3.

[0037] The above merely describes preferred embodiments of the present application, and any technical solutions with substantially the same principles as those of the present application should fall within the protection scope of the present application.

Claims

1. A device for automatic turning of the position of the anteroposterior view of the wrist X-ray photograph, characterized in that: The device comprises a device base (1), a left support (2) and a right support (3), the right end of the left support (2) and the left end of the right support (3) are rotatably connected by a hinge shaft (4), the left support (2) and the right support (3) are connected with an electric driving mechanism (5) which rotates around the hinge shaft (4), and the two electric driving mechanisms (5) are installed on the device base (1); the left support (2) and the right support (3) have a support surface for placing the hand of a measured person, and the support surface is provided with detection avoidance gaps (100) corresponding to the wrist joints to avoid interference with the movement of the wrist joints; the support surface is provided with a hand fixing structure for fixing the hand of the measured person on the support surface.

2. A device for automatic rotation of the wrist joint X-ray film in the anteroposterior position according to claim 1, characterized in that: The hand fixing structure comprises a finger restraint structure for fixing the fingers of the measured person and a forearm restraint structure for fixing the forearm of the measured person.

3. A device for automatic rotation of the wrist joint X-ray film in the anteroposterior position according to claim 2, characterized in that: The finger restraint structure comprises a plurality of rubber bands (6) connected to the support surface, the rubber bands (6) are configured to insert the fingers and constrain the fingers on the support surface by elasticity.

4. The automatic turnover positioning device for wrist X-ray film anteroposterior position according to claim 2, characterized in that: The support surface is provided with two connecting seats (200), and an arm placing area for placing the forearm is formed between the two connecting seats (200), the forearm restraint structure comprises a binding belt (7) for binding the forearm in the arm placing area, and the connecting seat (200) is provided with a binding belt insertion hole through which the binding belt (7) passes.

5. The automatic turning positioning device for wrist X-ray film anteroposterior position according to claim 1, characterized in that: The right end of the left support (2) is provided with at least two left hinge parts distributed from front to back, the left end of the right support (3) is provided with at least two right hinge parts distributed from front to back, and the left hinge parts and the right hinge parts are provided with hinge holes through which the hinge shaft (4) passes.

6. A device for automatic rotation of the wrist joint X-ray film in the anteroposterior position according to claim 1, characterized in that: The left support (2) and the right support (3) are provided with a linkage seat (8), the electric driving mechanism (5) comprises a driving motor (51), a driving rod (52) and a driven rod (53), the driving motor (51) is installed on the device base (1) through a motor seat (54), one end of the driving rod (52) is fixedly connected with the output shaft of the driving motor (51), one end of the driven rod (53) is provided with a first hinge joint (55) for rotatably connecting the one end of the driven rod (53) with the other end of the driving rod (52), and the other end of the driven rod (53) is provided with a second hinge joint (56) for rotatably connecting the other end of the driven rod (53) with the linkage seat (8).

7. A device for automatic rotation of the wrist joint X-ray film in the anteroposterior position according to claim 6, characterized in that: The driven rod (53) comprises a middle nut (531) and two matching screw rods (532) which are respectively screwed into the screw holes at both ends of the middle nut (531), and the first hinge joint (55) and the second hinge joint (56) are respectively installed on the two matching screw rods (532).

8. A device for automatic rotation of the wrist joint X-ray film in the anteroposterior position according to claim 6, characterized in that: The first hinge joint (55) and the second hinge joint (56) are fisheye joints, and the linkage seat (8) and the driving rod (52) are provided with installation shafts matched with the inner circles of the fisheye joints.

9. The automatic turning positioning device for wrist X-ray film anteroposterior position according to claim 1, characterized in that: The device base (1) comprises a mounting base (11) and a protective shell (12), the protective shell (12) is fixed on the top surface of the mounting base (11), and the electric driving mechanism (5) is arranged on the top surface of the mounting base (11) and located in the protective shell (12).

10. The automatic turning positioning device for wrist X-ray film anteroposterior position according to claim 1, characterized in that: The device base (1) is provided with a control device for controlling the operation of the driving motor (51).