C-arm CT equipment

Abstract

The present invention provides a C-arm CT device. The C-arm CT device includes a device body, a C-arm connected to the device body, and an imaging device arranged on the C-arm. The imaging device includes a ray light source and an imaging flat plate arranged opposite to the ray light source, and also includes a first adjustment component arranged between the device body and the C-arm for driving the C-arm to move in the vertical direction and a second adjustment component for driving the imaging device to rotate along the circumference of the C-arm. The C-arm CT device of the present invention has a simple structure and can effectively increase the scanning angle of the CT device, thereby effectively improving the practicality of the C-arm CT device.

Description

Technical Field

[0001] The invention relates to a C-arm CT device, belonging to the technical field of medical equipment. Background Art

[0002] The C-arm CT device is a commonly used medical detection instrument. It has its own advantages in isocentric imaging and three-dimensional reconstruction because of the fixed center point. Therefore, it is widely used in various operations in surgical departments such as orthopedics, pain management, and oncology.

[0003] The existing CT equipment mainly includes an equipment body, a C-arm and an imaging device, wherein the C-arm is slidably arranged on the equipment body so that the C-arm can slide circumferentially relative to the equipment body. When the CT equipment is in use, the object to be inspected is placed inside the C-arm so that an image of a certain viewing angle can be formed by the imaging device. In order to facilitate the adjustment of the viewing angle of the local position of the inspected part, the existing CT equipment usually adjusts the C-arm to slide horizontally, vertically and circumferentially to adjust the exposure center point to further achieve the change of viewing angle.

[0004] However, the viewing angle adjustment method in the prior art requires simultaneous adjustment of the horizontal, vertical and circumferential positions of the C-arm, which results in a relatively complex structure and control of the CT device in the prior art.

[0005] In view of this, it is indeed necessary to provide a new C-arm CT device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a C-arm CT device, which has a simple structure and can effectively increase the scanning angle of the CT device, thereby effectively improving the practicability of the C-arm CT device.

[0007] To achieve the above-mentioned purpose of the invention, the present invention provides a C-arm CT device, including a device body, a C-arm connected to the device body, and an imaging device arranged on the C-arm, the imaging device including a radiation light source and an imaging flat plate arranged opposite to the radiation light source, and also including a first adjustment component arranged between the device body and the C-arm, used to drive the C-arm to move in the vertical direction, and a second adjustment component used to drive the imaging device to rotate along the circumference of the C-arm.

[0008] As a further improvement of the present invention, the first adjusting component includes a first mechanical arm arranged on the equipment body and a second mechanical arm used for connecting the first mechanical arm and the C-arm.

[0009] As a further improvement of the present invention, a rotating bearing is further provided between the second mechanical arm and the C-arm to drive the C-arm to rotate radially along the connection position between the two.

[0010] As a further improvement of the present invention, the C-arm can move 0 to 398 mm in the vertical direction and 0 to 200 mm in the horizontal direction driven by the first robotic arm and the second robotic arm.

[0011] As a further improvement of the present invention, the second adjusting component is arranged between the C-arm and the imaging device to drive the imaging device to rotate 0 to 30 degrees counterclockwise along the circumference of the C-arm.

[0012] As a further improvement of the present invention, the second adjustment component includes a first adjustment mechanism and a second adjustment mechanism arranged at both ends of the opening of the C-arm, and the ray light source and the imaging flat panel are respectively arranged on the first adjustment mechanism and the second adjustment mechanism.

[0013] As a further improvement of the present invention, the second adjusting component further includes an adjusting motor for controlling the movement of the first adjusting mechanism and the second adjusting mechanism to drive the radiation light source and the imaging flat panel to rotate counterclockwise along the circumference of the C-arm.

[0014] As a further improvement of the present invention, the first adjusting mechanism and the second adjusting mechanism have the same structure, and the adjusting motor is arranged in a one-to-one correspondence with the first adjusting mechanism and the second adjusting mechanism.

[0015] As a further improvement of the present invention, the second adjusting component is arranged between the C-shaped arm and the first adjusting component, and the ray light source and the imaging flat panel are arranged oppositely at two ends of the opening of the C-shaped arm.

[0016] As a further improvement of the present invention, the device body further includes a control device for controlling the operation of the first adjusting component, the second adjusting component and the imaging device.

[0017] The beneficial effect of the present invention is that the C-arm CT device of the present invention can facilitate the sliding of the C-arm in the vertical direction and the circumferential direction by setting the first adjustment component and the second adjustment component, which facilitates the adjustment of the viewing angle of the C-arm during image acquisition, and effectively improves the practicality of the C-arm CT device and the convenience of image acquisition. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a C-arm CT device in a preferred embodiment of the present invention.

[0019] Figure 2 yes Figure 1Schematic diagram of the structure when the C-arm is rotated 30°.

[0020] Figure 3 It is a schematic structural diagram of a C-arm CT device in another preferred embodiment of the present invention.

[0021] Figure 4 yes Figure 3 Schematic diagram of the structure when the C-arm is rotated 30°. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] It should be noted here that in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0024] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0025] See also Figure 1 As shown, a C-arm CT device 100 provided by the present invention includes a device body 1, a control device (not numbered) connected to the C-arm 2 sliding and the imaging device 3 imaging, an adjustment device electrically connected to the control device, and a shell 11 for accommodating the control device and the adjustment device; further, a pulley 12 is also provided at the bottom of the shell 11. Such an arrangement can facilitate the movement of the C-arm CT device 100 and effectively improve the practicality of the C-arm CT device 100. Preferably, the control device is a control motor.

[0026] The C-arm 2 is connected to the device body 1 in a circumferentially rotatable manner. Furthermore, the C-arm 2 is connected to the adjustment device and is control-connected to the control device, so that the C-arm 2 can relatively reciprocate along the circumference of the device body 1 under the joint action of the control device and the adjustment device. Furthermore, the C-arm 2 can be greatly adjusted in the vertical direction driven by the adjustment device to facilitate the C-arm 2 to align with the part to be treated.

[0027] The imaging device 3 includes a radiation light source 31 and an imaging flat panel 32 arranged opposite to the radiation light source 31, and the radiation light source 31 and the imaging flat panel 32 are respectively located at the two ends of the opening of the C-arm 2. Preferably, the radiation light source 31 can be a light source that emits X-rays. Of course, in other embodiments of the present invention, the radiation light source 31 can also be a light source that emits other detection rays. The detected object can be imaged on the imaging flat panel 32 after the radiation is projected.

[0028] The C-arm CT device 100 further includes a first adjusting component 4 disposed between the device body 1 and the C-arm 2 for driving the C-arm 2 to move in the vertical direction. In the present invention, the first adjusting component 4 is used to precisely adjust the position of the C-arm 2 .

[0029] Specifically, the first adjustment component 4 includes a first mechanical arm 41 disposed on the device body 1 and a second mechanical arm 42 for connecting the first mechanical arm 41 and the C-arm 2; and the first mechanical arm 41 and the second mechanical arm 42 are both electrically connected to the control device, so as to drive the C-arm 2 to move 0 to 398 mm in the vertical direction and 0 to 200 mm in the horizontal direction under the control of the control device. In the present invention, a rotating bearing 43 is also provided between the second mechanical arm 42 and the C-arm 2, and the rotating bearing 43 can control the radial rotation of the C-arm 2 along the connection position of the rotating bearing 43 and the C-arm 2 under the drive of the control device.

[0030] Furthermore, the C-arm CT device 100 further includes a second adjusting component 5 for driving the imaging device 3 to rotate along the circumference of the C-arm 2. In a preferred embodiment of the present invention, the second adjusting component 5 is disposed between the C-arm 2 and the imaging device 3 to drive the imaging device to rotate counterclockwise by 0 to 30 degrees along the circumference of the C-arm 5.

[0031] See also Figure 2 Combined with Figure 1 As shown, in this embodiment, the second adjustment component 5 includes a first adjustment mechanism 51 and a second adjustment mechanism 52 arranged at both ends of the opening of the C-arm 2, and the radiation light source 31 and the imaging flat panel 32 are respectively arranged on the first adjustment mechanism 51 and the second adjustment mechanism 52.

[0032] Furthermore, the second adjustment component 5 also includes an adjustment motor (not shown) for controlling the movement of the first adjustment mechanism 51 and the second adjustment mechanism 52. The adjustment motor is electrically connected to the control device to drive the radiation light source 31 and the imaging plate 32 to rotate counterclockwise along the circumference of the C-arm 1. In this embodiment, the first adjustment mechanism 51 and the second adjustment mechanism 52 have the same structure, and the adjustment motor is arranged one-to-one with the first adjustment mechanism 51 and the second adjustment mechanism 52.

[0033] Preferably, the first adjustment mechanism 51 and the second adjustment mechanism 52 are both slide rails (not shown) controlled by adjustment motors, and the C-arm 2 is provided with a slide groove (not shown) for accommodating the slide rails. Furthermore, the X-ray light source 31 and the imaging flat plate 32 have meshing teeth (not shown) arranged opposite to the slide rails, and the meshing teeth are meshed between the slide rails to drive the X-ray light source 31 and the imaging flat plate 32 to rotate relative to each other under the meshing action.

[0034] See also Figure 3 and Figure 4 As shown, in another embodiment of the present invention, the second adjusting component 5′ is arranged between the C-arm 2 and the first adjusting component 4. At this time, the second adjusting component 5′ is a rotation control device that can drive the C-arm 2 to rotate between 0 and 30 degrees. The rotation control device is supported on the edge of the C-arm 2 to drive the C-arm 2 to rotate with the second adjusting component 5′.

[0035] Of course, in other embodiments of the present invention, the second adjusting component 5' can also be other structures that can drive the radiation source 31 and the imaging plate 32 to rotate relative to each other in the circumferential direction or drive the C-arm 2 to rotate. That is, in the present invention, the structure of the second adjusting component 5' can be selected according to actual conditions.

[0036] When using the C-arm CT device 100 of the present invention, the model to be inspected is first placed in the central position of the C-arm 2. In the initial state, the center of the ray light source 31 and the imaging flat panel 32 coincides with the center of the C-arm 2, and the rays emitted by the ray light source 31 cover the imaging flat panel 32. The model to be inspected is fixed in the middle of the C-arm 2. At this time, the position of the C-arm 2 can be adjusted by the adjustment device, and the imaging device 3 connected to the C-arm 2 can be controlled to move to the area of ​​interest.

[0037] When it is necessary to adjust the imaging position of the C-arm CT device 100 or perform local refinement, the first adjusting component 4 can be adjusted to control the C-arm 2 to move in the vertical direction, so as to accurately adjust the vertical position of the region of interest to ensure clear imaging of the region of interest; further, the region of interest can be imaged at multiple angles by the second adjusting components 5 and 5′ to further improve the imaging accuracy of the region of interest, and the control device directly / indirectly controls the first adjusting component 4 and the second adjusting component 5 and 5′ to achieve automatic control of the C-arm CT device 100, thereby improving the imaging accuracy and imaging angle of the C-arm CT device 100 and improving the practicality of the C-arm CT device 100.

[0038] In summary, the C-arm CT device 100 of the present invention can facilitate the sliding of the C-arm 2 in the vertical direction and the circumferential direction by providing the first adjustment component 4 and the second adjustment component 5, 5', which facilitates the adjustment of the viewing angle of the C-arm 2 during image acquisition, and effectively improves the practicality of the C-arm CT device 200 and the convenience of image acquisition and image accuracy.

[0039] The above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A C-arm CT device, comprising a device body, a C-arm connected to the device body, and an imaging device arranged on the C-arm, wherein the imaging device comprises a radiation light source and an imaging flat panel arranged opposite to the radiation light source, characterized in that: It also includes a first adjusting component arranged between the equipment body and the C-arm, for driving the C-arm to move in the vertical direction, and a second adjusting component for driving the imaging device to rotate circumferentially along the C-arm; the first adjusting component includes a first mechanical arm arranged on the equipment body and a second mechanical arm for connecting the first mechanical arm and the C-arm; a rotating bearing is also provided between the second mechanical arm and the C-arm to drive the C-arm to rotate radially along the connection position between the two; the C-arm can move 0~398mm in the vertical direction and 0~200mm in the horizontal direction driven by the first mechanical arm and the second mechanical arm.

2. The C-arm CT device according to claim 1, characterized in that: The second adjusting component is disposed between the C-arm and the imaging device to drive the imaging device to rotate counterclockwise by 0 to 30 degrees along the circumference of the C-arm.

3. The C-arm CT device according to claim 2, characterized in that: The second adjustment component includes a first adjustment mechanism and a second adjustment mechanism disposed at both ends of the opening of the C-arm, and the ray light source and the imaging flat panel are disposed on the first adjustment mechanism and the second adjustment mechanism, respectively.

4. The C-arm CT device according to claim 3, characterized in that: The second adjusting component also includes an adjusting motor for controlling the movement of the first adjusting mechanism and the second adjusting mechanism to drive the ray light source and the imaging flat panel to rotate counterclockwise along the circumference of the C-arm.

5. The C-arm CT device according to claim 4, characterized in that: The first adjusting mechanism and the second adjusting mechanism have the same structure, and the adjusting motor is arranged in a one-to-one correspondence with the first adjusting mechanism and the second adjusting mechanism.

6. The C-arm CT device according to claim 2, characterized in that: The second adjusting component is arranged between the C-shaped arm and the first adjusting component, and the ray light source and the imaging flat panel are arranged opposite to each other at two ends of the opening of the C-shaped arm.

7. The C-arm CT device according to claim 1, characterized in that: The device body also includes a control device for controlling the operation of the first adjustment component, the second adjustment component and the imaging device.

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