Flat panel detector lifting device for C-shaped arm / G-shaped arm

Abstract

The utility model provides a flat panel detector lifting device for a C-shaped arm / G-shaped arm, and relates to the technical field of medical imaging equipment. The C / G arm bracket is connected with the main body and is fixedly arranged on the outer side of the main body; the C / G arm is connected to the C / G arm bracket in a sliding manner; the flat panel detector lifting device is arranged on the C / G arm; the flat panel detector is connected with the flat panel detector lifting device; and the combined machine head is arranged on the C / G arm, is used for emitting X-rays and is arranged corresponding to the flat panel detector. According to the utility model, the clinical application effect is optimized by flexibly adjusting the distance of the source image distance (SID), meanwhile, the structure is compact, the space is saved, different flat plates can be quickly replaced, and the overall design is efficient and practical.

Description

Technical Field

[0001] This utility model relates to the field of medical imaging equipment technology, and in particular to a flat panel detector lifting device for C-arm / G-arm. Background Technology

[0002] Traditional C-arm flat panel detector lifting devices are often quite wide and thick, resulting in a large overall size. In medical environments with limited space, such large devices can occupy too much space, restricting the placement of other medical equipment and the movement range of operators. For example, in an operating room, an excessively large device may obstruct the surgeon's line of sight or affect the work of anesthesiologists, nurses, and other medical personnel.

[0003] Furthermore, the relatively complex structural design, containing multiple components and connection points, increases the risk of equipment malfunction. The complex structure also makes maintenance and component replacement difficult. For example, if a component in the lifting device fails, maintenance personnel may need to spend a considerable amount of time disassembling and replacing it, which not only affects the normal use of the equipment but also increases maintenance costs and time.

[0004] The design may not have adequately considered the size and specifications of different flat panel detectors, resulting in the equipment being unable to adapt to multiple types of flat panel detectors simultaneously. For example, some lifting devices may only be used with specific brands or models of flat panel detectors and are not compatible with other brands or models. This lack of versatility limits the flexibility and application range of the equipment. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a lifting device for a flat panel detector for C-arm / G-arm, which reduces the size and complexity of the lifting device and improves its flexibility and operability.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] A lifting device for a flat panel detector used in a C-arm / G-arm configuration includes:

[0008] main body;

[0009] The C / G arm bracket is connected to the main body and is fixedly installed on the outside of the main body;

[0010] The C / G arm is slidably connected to the C / G arm support;

[0011] The flat panel detector lifting device is mounted on the C / G arm;

[0012] The flat panel detector is connected to the lifting device of the flat panel detector;

[0013] The combined X-ray head is mounted on the C / G arm and is used to emit X-rays, and is installed correspondingly to the flat panel detector.

[0014] Furthermore, the flat panel detector lifting device includes:

[0015] One side of the fixing plate is fixedly connected to the flat panel detector, and the other side is provided with a linear guide rail;

[0016] The X-shaped link consists of four links connected by hinges to form a scissor structure. One end of the bottom of the X-shaped link is slidably connected to the linear guide rail via a slider, and the other end of the bottom is fixedly connected to the fixed plate.

[0017] Bearing seats are provided at the four ends of the X-shaped connecting rod and are used to support and fix the hinge points of the X-shaped connecting rod;

[0018] The bottom of the lead screw module is slidably connected to the top end of the X-shaped connecting rod via a slider, thereby achieving linkage with the X-shaped connecting rod;

[0019] The motor is connected to the lead screw module and drives the lead screw module to rotate. The X-shaped connecting rod connected to the lead screw module (13) moves back and forth to realize the up and down lifting of the flat panel detector.

[0020] Furthermore, one side of the top of the X-shaped connecting rod is slidably connected to the linear guide rail via a slider, and the other side of the top is fixedly connected to the lead screw module.

[0021] Furthermore, a potentiometer is provided at the center of the X-shaped linkage to detect the distance the flat panel detector moves up and down.

[0022] Furthermore, the X-shaped link is equipped with a limiting device to limit the maximum and minimum upward and downward distances of the flat panel detector.

[0023] The above-described solution of this utility model has at least the following beneficial effects:

[0024] The flat panel detector's lifting mechanism allows for flexible adjustment of the SID distance, i.e., the distance between the X-ray source and the image receiving surface. This feature enables the device to optimize image quality and magnification according to different clinical needs, making it more suitable for clinical applications. The flat panel detector is close to the C-arm and has a narrow width, less than or equal to the width of the C-arm. Simultaneously, its initial thickness is small, and the motor is cleverly concealed within the C-arm, reducing the overall size and space occupied by the device. This design not only makes the device more portable but also avoids the need for handles or other devices on the interference ring, improving the overall coordination and operability of the device.

[0025] The flat panel detector lifting device features a simple mechanical structure, reducing the number of components and connection points, thus lowering the risk of equipment failure. Simultaneously, the simple structure makes equipment inspection and maintenance easier and faster, reducing maintenance costs and time. The lifting device is designed to accommodate different sizes and specifications of flat panel detectors, allowing for quick replacement of detectors of varying sizes. This feature enhances the device's versatility and flexibility, meeting the needs of diverse clinical scenarios. Attached Figure Description

[0026] Figure 1 This is a front view of a flat panel detector lifting device for a C-arm / G-arm provided by an embodiment of this utility model.

[0027] Figure 2 This is a structural diagram of a flat panel detector lifting device provided by an embodiment of the present invention, which is used for lifting C-arm / G-arm flat panel detectors.

[0028] Figure 3 This is a structural diagram of the main components of a flat panel detector lifting device provided by an embodiment of the present invention for a C-arm / G-arm flat panel detector lifting device.

[0029] Figure 4 This is a structural diagram of an X-shaped linkage for a lifting device of a flat panel detector for a C-arm / G-arm, provided by an embodiment of this utility model.

[0030] Figure 5 This is a perspective view of a lifting device for a flat panel detector for a C-arm / G-arm, provided by an embodiment of this utility model.

[0031] Explanation of reference numerals in the attached drawings: 1. Main body; 2. C / G arm bracket; 3. C / G arm; 4. Flat panel detector; 5. Flat panel detector lifting device; 6. Combined head; 7. Motor; 8. Bearing seat; 9. X-shaped connecting rod; 10. Potentiometer; 11. Linear guide rail; 12. Fixing plate; 13. Lead screw module; 14. Limiting device. Detailed Implementation

[0032] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0033] like Figures 1 to 5 As shown, an embodiment of this utility model proposes a lifting device for a flat panel detector used in a C-arm / G-arm configuration, comprising:

[0034] Entity 1;

[0035] The C / G arm bracket 2 is connected to the main body 1 and is fixedly installed on the outside of the main body 1;

[0036] C / G arm 3 is slidably connected to C / G arm bracket 2;

[0037] The flat panel detector lifting device 5 is mounted on the C / G arm 3;

[0038] The flat panel detector 4 is connected to the flat panel detector lifting device 5;

[0039] The combined head 6 is mounted on the C / G arm 3 for emitting X-rays and is installed correspondingly to the flat panel detector 4.

[0040] In this embodiment of the invention, the main body 1 serves as the foundational support structure of the entire device, stably fixed to the bottom or support of the entire system. The C / G arm support 2 is tightly connected to the main body 1 and fixedly installed on the outside of the main body 1, providing stable support and a sliding track for the C / G arm 3. The C / G arm 3 is slidably connected to the C / G arm support 2 and can slide up and down or left and right along the C / G arm support 2 as needed to adjust the position of the X-ray source (i.e., the combined head 6). The flat panel detector lifting device 5 is installed on the C / G arm 3 and is a key component for realizing the up and down movement of the flat panel detector 4. The flat panel detector 4 is tightly connected to the flat panel detector lifting device 5 and moves up and down through the drive of the lifting device 5. The combined head 6 is located at the end of the C / G arm 3, used to emit X-rays, and is installed correspondingly to the flat panel detector 4 to ensure that the X-rays can accurately irradiate the detector 4.

[0041] When an X-ray imaging examination is required, the relative positions of the combined machine head 6 and the flat panel detector 4 are first adjusted by sliding the C / G arm 3 to align them with the area to be examined. Then, the flat panel detector lifting device 5 is activated, driving the flat panel detector 4 up and down via an internal drive mechanism (such as a motor or lead screw module), thereby changing the source-image distance (SID). The SID distance can be adjusted according to clinical needs to optimize image quality and magnification. After adjustment, the combined machine head 6 emits X-rays, which pass through the area to be examined and irradiate the flat panel detector 4, forming image data.

[0042] The positions of the X-ray source and flat panel detector can be flexibly adjusted via the sliding of the C / G arm 3 and the drive of the flat panel detector lifting device 5 to meet the needs of different clinical scenarios. By adjusting the source-image distance (SID), image quality and magnification can be optimized, improving diagnostic accuracy. The flat panel detector lifting device 5 has a compact design and is tightly integrated with the C / G arm 3, reducing the overall system size and space footprint, and improving the portability and operability of the equipment. The flat panel detector lifting device 5 adopts a simple mechanical structure, making it easy to maintain and repair. In case of failure, components can be quickly disassembled and replaced, reducing maintenance costs and time.

[0043] like Figures 1 to 5 As shown, the flat panel detector lifting device 5 includes:

[0044] One side of the fixing plate 12 is fixedly connected to the flat panel detector 4, and the other side is provided with a linear guide rail 11;

[0045] The X-shaped link 9 consists of four links connected by hinges to form a scissor structure. One end of the bottom of the X-shaped link 9 is slidably connected to the linear guide rail 11 via a slider, and the other end of the bottom is fixedly connected to the fixing plate 12.

[0046] Bearing seats 8 are disposed at the four ends of the X-shaped connecting rod 9 and are used to support and fix the hinge points of the X-shaped connecting rod 9;

[0047] The bottom of the lead screw module 13 is slidably connected to the top end of the X-shaped connecting rod 9 via a slider, thereby achieving linkage with the X-shaped connecting rod 9;

[0048] Motor 7 is connected to the lead screw module 13, driving the lead screw module 13 to rotate, and the X-shaped connecting rod 9 connected to the lead screw module 13 moves back and forth, realizing the up and down lifting of the flat panel detector 4.

[0049] In this embodiment of the invention, one side of the fixed plate 12 is fixedly connected to the flat panel detector 4 to ensure that the flat panel detector 4 can move stably with the lifting device; the other side is provided with a linear guide rail 11 to guide the sliding of the X-shaped connecting rod 9. The X-shaped connecting rod 9 consists of four connecting rods connected by hinges to form a scissor structure, which has good stability and load-bearing capacity. One end of the bottom of the X-shaped connecting rod 9 is slidably connected to the linear guide rail 11 through a slider, and the other end of the bottom is fixedly connected to the fixed plate 12 to form a stable support structure. Bearing seats 8 are provided at the four ends of the X-shaped connecting rod 9 to support and fix the hinge points of the X-shaped connecting rod 9, ensuring that the connecting rod can maintain smooth and stable movement. The bottom of the lead screw module 13 is slidably connected to the top end of the X-shaped connecting rod 9 through a slider to achieve linkage with the X-shaped connecting rod 9. The lead screw module 13 has precise transmission performance and can convert the rotational motion of the motor into linear motion. The motor 7 is connected to the lead screw module 13 and drives the lead screw module 13 to rotate. When the motor 7 starts, the lead screw module 13 begins to rotate, driving the X-shaped connecting rod 9 connected to it to move back and forth.

[0050] When the height of the flat panel detector 4 needs to be adjusted, the motor 7 is started. The motor 7 drives the lead screw module 13 to rotate, and the rotational motion of the lead screw module 13 is transmitted to the X-shaped connecting rod 9 through the slider. Driven by the lead screw module 13, the X-shaped connecting rod 9 moves back and forth. Due to the scissor structure of the X-shaped connecting rod 9, its back and forth movement is converted into up and down lifting motion. The up and down lifting motion of the X-shaped connecting rod 9 drives the fixed plate 12 and the flat panel detector 4 connected to it to move up and down together, thereby realizing the lifting and lowering adjustment of the flat panel detector 4.

[0051] The scissor structure of the X-shaped connecting rod 9 provides excellent stability and load-bearing capacity, ensuring the stability of the flat panel detector 4 during lifting and lowering, preventing swaying or tilting. The lead screw module 13 has precise transmission performance, accurately converting the rotational motion of the motor into linear motion, thereby achieving precise lifting and lowering adjustment of the flat panel detector 4. The flat panel detector lifting device 5 adopts a compact structural design, with close cooperation between components, reducing the overall size and space occupied by the device, and improving its portability and operability. All components in the device adopt a modular design, making them easy to disassemble and replace. In case of failure, the problematic component can be quickly located and replaced, reducing maintenance costs and time.

[0052] like Figures 1 to 5 As shown, one side of the top of the X-shaped connecting rod 9 is slidably connected to the linear guide rail 11 via a slider, and the other side of the top is fixedly connected to the lead screw module 13.

[0053] In this embodiment of the invention, one top side of the X-shaped link 9 is connected to the linear guide rail 11 via a slider. This connection method ensures the sliding freedom of the X-shaped link 9 along the linear guide rail 11, while maintaining the stability and linearity of the motion. The other top side of the X-shaped link 9 is fixedly connected to the lead screw module 13, which means that the rotational motion of the lead screw module 13 will directly drive the X-shaped link 9 to move accordingly.

[0054] When motor 7 starts, it drives the lead screw module 13 to rotate. The rotational motion of the lead screw module 13 is converted into a pushing and pulling force on the X-shaped connecting rod 9 through its fixed connection with the X-shaped connecting rod 9. Since the top side of the X-shaped connecting rod 9 is slidably connected to the linear guide rail 11, the X-shaped connecting rod 9 will move linearly along the linear guide rail 11 under the pushing and pulling force of the lead screw module 13. The linear motion of the X-shaped connecting rod 9 drives the fixed plate 12 at its bottom (fixedly connected to the flat panel detector 4) to move up and down together, thereby realizing the lifting and lowering adjustment of the flat panel detector 4.

[0055] The sliding connection between the top of the X-shaped connecting rod 9 and the linear guide rail 11 ensures linearity and stability during the lifting process, preventing offset or swaying and improving imaging accuracy. The fixed connection between the lead screw module 13 and the X-shaped connecting rod 9 achieves efficient conversion from rotary motion to linear motion, with high transmission efficiency and fast response speed. This design uses a combination of linear guide rail and lead screw module, with a simple and clear structure that is easy to understand and maintain. The lead screw module 13 has precise transmission performance, enabling precise control of the lifting position of the flat panel detector 4, meeting the high image quality requirements of clinical settings. This design is applicable to C-arm X-ray imaging equipment of different models and specifications, exhibiting good versatility and adaptability.

[0056] like Figures 1 to 5 As shown, a potentiometer 10 is provided at the center of the X-shaped linkage to detect the distance the flat panel detector 4 moves up and down.

[0057] In this embodiment of the invention, potentiometer 10 is installed at the center of X-shaped linkage 9 and is tightly connected to the moving parts (such as the connecting rod) of X-shaped linkage 9. When X-shaped linkage 9 moves up and down, the rotation axis of potentiometer 10 moves accordingly, thereby changing the internal resistance value of the potentiometer. When motor 7 drives lead screw module 13 to rotate, thereby driving X-shaped linkage 9 to move up and down, potentiometer 10 also moves with the movement of X-shaped linkage 9. The movement of potentiometer 10 causes a change in its internal resistance value, which can be converted into a corresponding electrical signal by a circuit. The electrical signal is transmitted to the control system (such as a microprocessor or controller), and the control system calculates the specific distance the flat panel detector 4 moves up and down based on the received electrical signal. There is a certain linear relationship (or a preset correspondence) between the resistance value of potentiometer 10 and the moving distance of flat panel detector 4. The control system determines this relationship through a calibration process and calculates the real-time moving distance of flat panel detector 4 based on the change in the resistance value of the potentiometer during actual operation.

[0058] The real-time detection function of potentiometer 10 enables the control system to monitor the vertical movement distance of the flat panel detector 4 at any time, providing a foundation for precise control during the imaging process. By precisely controlling the movement distance of the flat panel detector 4, the accuracy of the distance between the X-ray source and the detector (SID) can be ensured, thereby improving the clarity and precision of the image. The feedback mechanism of potentiometer 10 can serve as a closed-loop feedback loop in the control system, helping the system to correct potential deviations in a timely manner and enhancing the system's stability and reliability. The linear output characteristic of potentiometer 10 makes the system calibration process relatively simple; a single calibration is sufficient to determine the correspondence between the resistance value and the movement distance. The real-time and accurate distance detection function allows operators to more easily control the position of the flat panel detector, improving the user experience.

[0059] like Figures 1 to 5 As shown, the X-shaped link 9 is equipped with a limiting device 14 to limit the maximum and minimum upward and downward distances of the flat panel detector 4.

[0060] In this embodiment of the invention, the limiting device 14 is installed inside the X-shaped connecting rod 9, located at a critical movement node of the connecting rod. The limiting device 14 is a system composed of mechanical structures (such as stops). When the motor 7 drives the lead screw module 13 to rotate, causing the X-shaped connecting rod 9 and the connected flat plate detector 4 to move up and down, the limiting device 14 is in a monitoring state. When the X-shaped connecting rod 9 (and the flat plate detector 4) moves to a preset maximum or minimum position, the limiting device 14 is triggered. After the limiting device 14 is triggered, it sends a signal to the control system. Upon receiving the signal, the control system immediately stops the operation of the motor 7, thereby preventing further movement of the X-shaped connecting rod 9 and the flat plate detector 4. For mechanical limiting devices, when the X-shaped connecting rod 9 contacts the limiting stop or pin, the connecting rod cannot continue to move due to physical obstruction, thus limiting the movement distance. For electronic limiting devices, when the X-shaped connecting rod 9 approaches a preset sensor position, the sensor detects this approach and sends a signal to the control system, which then stops the motor.

[0061] The limiting device 14 effectively prevents the flat panel detector 4 from exceeding its designed range of motion, avoiding mechanical damage or safety accidents caused by excessive movement. The limiting device 14 precisely controls the vertical movement range of the flat panel detector 4, ensuring it remains in the optimal working position during imaging. As a protective mechanism, the limiting device 14 enhances the system's stability and reliability, reducing system failures caused by accidental movement. Operators do not need to manually monitor the movement distance of the flat panel detector 4; the limiting device 14 automatically performs this task, simplifying the operation process and improving work efficiency. By limiting the movement range of the flat panel detector 4, wear and damage caused by overuse are avoided, thereby extending the equipment's service life.

[0062] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A lifting device for a flat panel detector used in a C-arm / G-arm configuration, characterized in that, include: Main body (1); The C / G arm bracket (2) is connected to the main body (1) and is fixedly installed on the outside of the main body (1); The C / G arm (3) is slidably connected to the C / G arm support (2); The flat panel detector lifting device (5) is mounted on the C / G arm (3); The flat panel detector (4) is connected to the flat panel detector lifting device (5); The combined head (6) is mounted on the C / G arm (3) for emitting X-rays and is installed in correspondence with the flat panel detector (4).

2. The lifting device for a flat panel detector for a C-arm / G-arm according to claim 1, characterized in that, The flat panel detector lifting device (5) includes: One side of the fixing plate (12) is fixedly connected to the flat panel detector (4), and the other side is provided with a linear guide rail (11); The X-shaped link (9) consists of four links connected by hinges to form a scissor structure. One end of the bottom of the X-shaped link (9) is slidably connected to the linear guide rail (11) by a slider, and the other end of the bottom is fixedly connected to the fixing plate (12). Bearing seats (8) are provided at the four ends of the X-shaped connecting rod (9) to support and fix the hinge points of the X-shaped connecting rod (9); The bottom of the lead screw module (13) is slidably connected to the top end of the X-shaped connecting rod (9) through a slider, so as to realize the linkage with the X-shaped connecting rod (9); The motor (7) is connected to the lead screw module (13) to drive the lead screw module (13) to rotate, and the X-shaped connecting rod (9) connected to the lead screw module (13) moves back and forth to realize the up and down lifting of the flat panel detector (4).

3. The lifting device for a flat panel detector for a C-arm / G-arm according to claim 2, characterized in that, The top side of the X-shaped connecting rod (9) is slidably connected to the linear guide rail (11) via a slider, and the other side of the top is fixedly connected to the lead screw module (13).

4. The lifting device for a flat panel detector for a C-arm / G-arm according to claim 3, characterized in that, A potentiometer (10) is provided at the center of the X-shaped linkage to detect the distance the flat panel detector (4) moves up and down.

5. The lifting device for a flat panel detector for a C-arm / G-arm according to claim 4, characterized in that, The X-shaped link (9) is equipped with a limiting device (14) to limit the maximum and minimum upward and downward distances of the flat panel detector (4).

Images