CN110960245A

CN110960245A - C-arm CT device

Info

Publication number: CN110960245A
Application number: CN201911391358.0A
Authority: CN
Inventors: 阮威; 范兴华
Original assignee: Jiangsu Yiying Medical Equipment Co ltd
Current assignee: Jiangsu Yiying Medical Equipment Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-07

Abstract

The invention provides a C-shaped arm CT device. C type arm CT equipment includes the equipment body, connects C type arm and setting on the equipment body are in imaging device on the C type arm, imaging device include the ray source and with the relative formation of image flat board that sets up of ray source still including setting up the equipment body with between on the C type arm, be used for driving the first adjusting part that C type arm removed in the vertical direction and be used for driving imaging device follows the second adjusting part of the circumferential direction of C type arm. The C-shaped arm CT equipment is simple in structure, the scanning angle of the CT equipment can be effectively increased, and the practicability of the C-shaped arm CT equipment is effectively improved.

Description

C-arm CT device

Technical Field

The invention relates to C-shaped arm CT equipment, and belongs to the technical field of medical instruments.

Background

The CT apparatus with C-arm is a commonly used medical detection instrument, which has its own advantages in isocentric imaging and three-dimensional reconstruction processes, and thus is widely used in various surgeries in surgical departments such as orthopedics, pain department, oncology department, etc. because of its fixed central point.

The existing CT equipment mainly comprises an equipment body, a C-shaped arm and imaging equipment, wherein the C-shaped arm is arranged on the equipment body in a sliding mode, so that the C-shaped arm can slide relative to the equipment body in the circumferential direction. When the CT equipment is used, an object to be detected is placed in the C-shaped arm to form an image with a certain visual angle through the imaging equipment, and the visual angle of the local position of a part to be detected is adjusted through the existing CT equipment, generally, the C-shaped arm is adjusted to slide horizontally, vertically and circumferentially to further realize the change of the visual angle through adjusting an exposure central point.

However, the view angle adjusting method in the prior art needs to adjust the horizontal, vertical and circumferential positions of the C-arm at the same time, so that the structure and control of the CT apparatus in the prior art are complicated.

In view of the above, there is a need to provide a new C-arm CT apparatus to solve the above problems.

Disclosure of Invention

The invention aims to provide a C-shaped arm CT device which is simple in structure, can effectively increase the scanning angle of the CT device and effectively improves the practicability of the C-shaped arm CT device.

In order to achieve the above object, the present invention provides a C-arm CT apparatus, which includes an apparatus body, a C-arm connected to the apparatus body, and an imaging device disposed on the C-arm, wherein the imaging device includes a radiation light source and an imaging flat plate disposed opposite to the radiation light source, and further includes a first adjusting component disposed between the apparatus body and the C-arm for driving the C-arm to move in a vertical direction, and a second adjusting component for driving the imaging device to rotate along a circumferential direction of the C-arm.

As a further improvement of the present invention, the first adjusting means includes a first robot arm provided on the apparatus body and a second robot arm for connecting the first robot arm and the C-arm.

As a further improvement of the invention, a rotating bearing is arranged between the second mechanical arm and the C-shaped arm so as to drive the C-shaped arm to rotate along the radial direction of the connecting position of the second mechanical arm and the C-shaped arm.

As a further improvement of the invention, the C-shaped arm can be driven by the first mechanical arm and the second mechanical arm to move by 0-398 mm in the vertical direction; moving 0-200 mm along the horizontal direction.

As a further improvement of the invention, the second adjusting part is arranged between the C-shaped arm and the imaging device to drive the imaging device to rotate 0-30 degrees along the circumferential direction of the C-shaped arm in a counterclockwise way.

As a further improvement of the present invention, the second adjusting means includes a first adjusting mechanism and a second adjusting mechanism provided at both ends of the opening of the C-shaped arm, and the radiation light source and the imaging flat plate are provided on the first adjusting mechanism and the second adjusting mechanism, respectively.

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, so as to drive the radiation light source and the imaging flat plate to rotate counterclockwise along the circumferential direction of the C-shaped arm.

As a further improvement of the present invention, the first adjusting mechanism and the second adjusting mechanism have the same structure, and the adjusting motors are disposed in one-to-one correspondence with the first adjusting mechanism and the second adjusting mechanism.

As a further improvement of the present invention, the second adjusting member is disposed between the C-arm and the first adjusting member, and the radiation light source and the imaging plate are disposed opposite to each other at both ends of the opening of the C-arm.

As a further improvement of the present invention, the apparatus body further includes a control device for controlling the operations of the first regulating member, the second regulating member, and the image forming apparatus.

The invention has the beneficial effects that: according to the C-shaped arm CT equipment, the first adjusting part and the second adjusting part are arranged, so that the C-shaped arm can slide in the vertical direction and the circumferential direction conveniently, the adjustment of the visual angle of the C-shaped arm during image acquisition is facilitated, and the practicability and the convenience of image acquisition of the C-shaped arm CT equipment are effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a C-arm CT apparatus according to a preferred embodiment of the invention.

Fig. 2 is a schematic view of the C-arm of fig. 1 rotated by 30 °.

Fig. 3 is a schematic structural diagram of a C-arm CT apparatus according to another preferred embodiment of the invention.

Fig. 4 is a schematic view of the C-arm of fig. 3 rotated by 30 °.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1, a C-arm CT apparatus 100 according to the present invention includes an apparatus body 1, a control device (not numbered) connected to a C-arm 2 for sliding and imaging by an imaging device 3, an adjusting device electrically connected to the control device, and a housing 11 for accommodating the control device and the adjusting device; further, the bottom of the shell 11 is also provided with a pulley 12, so that the C-shaped arm CT device 100 can be conveniently moved, the practicability of the C-shaped arm CT device 100 is effectively improved, and preferably, the control device is a control motor.

The C-shaped arm 2 is connected to the equipment body 1 in a circumferential rotating mode, and further the C-shaped arm 2 is connected with the adjusting device and is in control connection with the control device, so that the C-shaped arm 2 can rotate in a reciprocating mode relatively along the circumferential direction of the equipment body 1 under the combined action of the control device and the adjusting device. Further, the C-shaped arm 2 can be driven by the adjusting device to be adjusted along the vertical direction to a large extent, so that the C-shaped arm 2 is aligned to the part to be lateral.

The imaging device 3 includes a radiation source 31 and an imaging plate 32 disposed opposite to the radiation source 31, and the radiation source 31 and the imaging plate 32 are respectively disposed at two ends of the opening of the C-shaped arm 2, preferably, the radiation source 31 may be a light source emitting X-rays, and in other embodiments of the present invention, the radiation source 31 may also be a light source emitting other detection rays, and the object to be detected may be imaged on the imaging plate 32 after being projected by the radiation.

The C-arm CT apparatus 100 further comprises a first adjusting component 4 disposed between the apparatus body 1 and the C-arm 2 for driving the C-arm 2 to move in a vertical direction, wherein in the present invention, the first adjusting component 4 is used for accurately adjusting the position of the C-arm 2.

Specifically, the first adjusting means 4 includes a first robot arm 41 provided on the apparatus body 1 and a second robot arm 42 for connecting the first robot arm 41 and the C-type arm 2; the first mechanical arm 41 and the second mechanical arm 42 are electrically connected with the control device, so that the C-shaped arm 2 is driven to move by 0-398 mm in the vertical direction under the control of the control device; moving 0-200 mm along the horizontal direction. In the invention, a rotating bearing 43 is further arranged between the second mechanical arm 42 and the C-shaped arm 2, and the rotating bearing 43 can be driven by the control device to control the C-shaped arm 2 to rotate along the radial direction at the connecting position of the rotating bearing 43 and the C-shaped arm 2.

Further, the C-arm CT apparatus 100 further includes a second adjusting component 5 for driving the imaging device 3 to rotate along the circumferential direction of the C-arm 2. In a preferred embodiment of the present invention, the second adjusting member 5 is disposed between the C-arm 2 and the imaging device 3 to drive the imaging device to rotate counterclockwise by 0-30 ° along the circumferential direction of the C-arm 5.

Referring to fig. 2 in combination with fig. 1, in the present embodiment, the second adjusting part 5 includes a first adjusting mechanism 51 and a second adjusting mechanism 52 disposed at two end portions of the opening of the C-shaped arm 2, and the radiation source 31 and the imaging plate 32 are disposed on the first adjusting mechanism 51 and the second adjusting mechanism 52, respectively.

Further, the second adjusting component 5 further includes an adjusting motor (not shown) for controlling the first adjusting mechanism 51 and the second adjusting mechanism 52 to move, the adjusting motor is electrically connected to the control device to drive the radiation source 31 and the imaging flat plate 32 to rotate counterclockwise along the circumferential direction of the C-shaped arm 1, in this embodiment, the first adjusting mechanism 51 and the second adjusting mechanism 52 have the same structure, and the adjusting motor and the first adjusting mechanism 51 and the second adjusting mechanism 52 are disposed in a one-to-one correspondence manner.

Preferably, the first adjusting mechanism 51 and the second adjusting mechanism 52 are both slide rails (not shown) controlled by adjusting motors, and the C-shaped arm 2 is provided with a slide groove (not shown) for accommodating the slide rails, and further, the radiation source 31 and the imaging flat plate 32 have engaging teeth (not shown) arranged opposite to the slide rails, and the engaging teeth are engaged between the slide rails to drive the radiation source 31 and the imaging flat plate 32 to rotate relatively under the engagement action.

Referring to fig. 3 and 4, in another embodiment of the present invention, the second adjusting component 5 ' is disposed between the C-shaped arm 2 and the first adjusting component 4, and at this time, the second adjusting component 5 ' is a rotation control device capable of driving the C-shaped arm 2 to rotate between 0 to 30 °, and the rotation control device is supported on the edge of the C-shaped arm 2 to drive the C-shaped arm 2 to rotate by the second adjusting component 5 '.

Of course, in other embodiments of the present invention, the second adjusting component 5 'may also be another structure that can drive the radiation source 31 and the imaging plate 32 to rotate relatively 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' may be selected according to actual situations.

When the C-arm CT apparatus 100 of the present invention is used, the model to be tested is first placed at the center of the C-arm 2, the centers of the radiation source 31 and the imaging plate 32 are coincident with the center of the C-arm 2 in the initial state, the radiation emitted from the radiation source 31 covers the imaging plate 32, and the model to be tested 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 adjusting device, and the imaging device 3 connected to the C-arm 2 is controlled to move to the region of interest.

When the imaging position of the C-arm CT device 100 needs to be adjusted or local thinning is carried out, the first adjusting component 4 is adjusted to control the C-arm 2 to move in the vertical direction, so that the position of the region of interest in the vertical direction is accurately adjusted, and the imaging of the region of interest is ensured to be clear; furthermore, the multi-angle imaging can be performed on the region of interest through the second adjusting component 5 and the second adjusting component 5 'to further improve the imaging precision of the region of interest, and the automatic control of the C-arm CT apparatus 100 is realized through the control device directly/indirectly controlling the first adjusting component 4 and the second adjusting component 5', so that the imaging precision and the imaging angle of the C-arm CT apparatus 100 are improved, and the practicability of the C-arm CT apparatus 100 is improved.

In summary, the C-arm CT apparatus 100 of the present invention can facilitate the C-arm 2 to slide in the vertical direction and the circumferential direction by arranging the first adjusting component 4 and the second adjusting components 5 and 5', thereby facilitating the adjustment of the viewing angle of the C-arm 2 during image acquisition, and effectively improving the practicability of the C-arm CT apparatus 200, the convenience of image acquisition, and the image accuracy.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a C type arm CT equipment, includes the equipment body, connects C type arm on the equipment body and sets up imaging device on the C type arm, imaging device includes the ray source and with the formation of image flat board that the ray source set up relatively, its characterized in that: the device comprises a C-shaped arm, a first adjusting component and a second adjusting component, wherein the C-shaped arm is arranged between the device body and the C-shaped arm and used for driving the C-shaped arm to move in the vertical direction, and the second adjusting component is used for driving the imaging device to rotate along the circumferential direction of the C-shaped arm.

2. The C-arm CT apparatus of claim 1 wherein: the first adjusting part comprises a first mechanical arm arranged on the equipment body and a second mechanical arm used for connecting the first mechanical arm and the C-shaped arm.

3. The C-arm CT apparatus of claim 2 wherein: and a rotating bearing is further arranged between the second mechanical arm and the C-shaped arm so as to drive the C-shaped arm to rotate along the radial direction of the joint of the second mechanical arm and the C-shaped arm.

4. The C-arm CT apparatus of claim 2 wherein: the C-shaped arm can be driven by the first mechanical arm and the second mechanical arm to move by 0-398 mm in the vertical direction; moving 0-200 mm along the horizontal direction.

5. The C-arm CT apparatus of claim 1 wherein: the second adjusting part is arranged between the C-shaped arm and the imaging device to drive the imaging device to rotate 0-30 degrees anticlockwise in the circumferential direction of the C-shaped arm.

6. The C-arm CT apparatus of claim 5, wherein: the second adjusting component comprises a first adjusting mechanism and a second adjusting mechanism which are arranged at two end parts of the opening of the C-shaped arm, and the ray light source and the imaging flat plate are respectively arranged on the first adjusting mechanism and the second adjusting mechanism.

7. The C-arm CT apparatus of claim 6, wherein: the second adjusting part further comprises an adjusting motor used for controlling the first adjusting mechanism and the second adjusting mechanism to move so as to drive the ray light source and the imaging flat plate to rotate anticlockwise along the circumferential direction of the C-shaped arm.

8. The C-arm CT apparatus of claim 7 wherein: the first adjusting mechanism and the second adjusting mechanism have the same structure, and the adjusting motors are arranged in one-to-one correspondence with the first adjusting mechanism and the second adjusting mechanism.

9. The C-arm CT apparatus of claim 5, wherein: 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 plate are oppositely arranged at two ends of the opening of the C-shaped arm.

10. The C-arm CT apparatus of claim 1 wherein: the apparatus body further includes a control device for controlling the first regulating member, the second regulating member and the image forming device to operate.