CN211883832U

CN211883832U - Double-source DSA equipment

Info

Publication number: CN211883832U
Application number: CN202020241081.5U
Authority: CN
Inventors: 郭炜; 冯在东; 吴小页
Original assignee: Nanjing Anke Medical Technology Co ltd
Current assignee: Nanjing Anke Medical Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-11-10
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a two source DSA equipment, including C type frame, C type frame opening is equipped with the revolving door, and under the revolving door closed condition, revolving door and C type frame form O type arm mechanism, along O type arm mechanism circumferencial direction distribution X ray source one, X ray source two, detector one, detector two, under the revolving door open condition, revolving door, X ray source one, X ray source two, detector one, detector two are all accomodate in the C type frame, form C type arm mechanism. The double-source DSA equipment enables two groups of X-ray sources to do circular rotation motion around an inspection object, and can obtain a scanned real-time three-dimensional image. When the energy of the two groups of X-ray sources is different, the dual-energy silhouette is utilized to obtain higher-quality heart and blood vessel information, thereby being more beneficial to diagnosis and treatment of cardiovascular diseases.

Description

Double-source DSA equipment

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a dual-source DSA equipment

Background

At present, DSA (angiography) equipment, or a large C-arm equipment, is widely used in diagnostic and treatment operations of heart and vascular diseases, and is one of the main directions of X-ray image diagnosis technology.

In the aspects of heart examination, angiography and the like, the dual-source device has the advantages of being large in advantages, high in time resolution and free of influences of heart rate changes of patients on examination. And the double-source can realize double-energy scanning, the two X-ray sources release different energy, so that high-energy and low-energy data at the same position can be obtained, and high-quality bone and blood vessel images can be obtained by utilizing the double-energy silhouette technology, so that the function is strong and the application is wide.

However, most of the angiographic devices on the market at present are single-source C-arm X-ray scanning devices, it is difficult to obtain both normal position and side position images during surgery, and a large-scale dual-C-arm system with more functions has a huge structure, and needs to be combined by multiple devices, so that the operation is complicated. However, no single body DSA device containing double X-ray sources exists in the market at present.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the not enough of above-mentioned prior art, the utility model provides a two source DSA equipment fuses a battery of monomers equipment with many equipment of large-scale two C arms, on the basis that satisfies all functions of large-scale two C arms, has the dexterity of single source C type arm concurrently.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two source DSA equipment, includes C type frame, C type frame opening is equipped with the revolving door, and under the revolving door closed condition, revolving door and C type frame form O type arm mechanism, along O type arm mechanism circumferencial direction distribution X ray source one, X ray source two, detector one, detector two, under the revolving door open condition, revolving door, X ray source one, X ray source two, detector one, detector two all accomodate in the C type frame, form C type arm mechanism.

Furthermore, the C-shaped frame and the revolving door are both in an arc sleeve shape, and the cross section of the revolving door is smaller than that of the C-shaped frame.

Furthermore, the C-shaped frame and the revolving door are provided with arc guide rails, the C-shaped frame and the arc guide rails of the revolving door form a circular track concentric with the O-shaped arm mechanism in the closing state of the revolving door, and the X-ray source I, the X-ray source II, the detector I and the detector II are borne on the arc guide rails and can rotate along the circular track.

Furthermore, when the revolving door is closed, the first X-ray source is paired with the first detector, and the second X-ray source is paired with the second detector to form a dual-source X-ray system.

Furthermore, detachable connecting pieces are arranged among the X-ray source I, the X-ray source II, the detector I and the detector II, and the X-ray source I, the X-ray source II, the detector I and the detector II synchronously rotate along a circular track through the connecting pieces in a closed state of the revolving door.

Furthermore, under the opening state of the revolving door, the first X-ray source is paired with the second detector to form a single-source X-ray system.

Furthermore, the voltage and the tube current of the working tubes of the first X-ray source and the second X-ray source are the same or different.

Further, the first detector and the second detector have the same or different resolution.

Furthermore, under the closed state of the revolving door, the included angle alpha between the first X-ray source and the second X-ray source can be adjusted within the range of 0-180 degrees.

Has the advantages that: adopt the utility model discloses a dual-source DSA equipment is circular rotary motion with two sets of X ray sources around the inspection object, can obtain the real-time three-dimensional image of scanning. When the energy of the two groups of X-ray sources is different, the dual-energy silhouette is utilized to obtain higher-quality heart and blood vessel information, thereby being more beneficial to diagnosis and treatment of cardiovascular diseases.

Drawings

Fig. 1 is a schematic view of a closed state of a revolving door of the dual-source DSA device of the utility model;

fig. 2 is a schematic view of the utility model showing the open state of the revolving door of the dual-source DSA device;

in the figure: 10-an X-ray source I; 101-diameter of X-ray source; 20-X ray source two; 201-diameter of the X-ray source II; 30-detector one; 40-detector two; a 50-C type frame; 60-arc guide rail; 70-a revolving door; 80-examination of the object.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the DSA apparatus includes a C-shaped frame 50, and a rotary door 70 is provided at an opening of the C-shaped frame 50. When the revolving door 70 is closed, the revolving door 70 and the C-shaped frame 50 form an O-shaped arm mechanism, and an X-ray source I10, an X-ray source II 20, a detector I30 and a detector II 40 are distributed along the circumferential direction of the O-shaped arm mechanism; when the revolving door 70 is opened, the revolving door 70, the first X-ray source 10, the second X-ray source 20, the first detector 30, and the second detector 40 are all accommodated in the C-shaped frame 50 to form a C-shaped arm mechanism.

In this embodiment, the C-shaped frame 50 and the revolving door 70 are both in the shape of an arc sleeve, and the cross section of the revolving door 70 is smaller than that of the C-shaped frame 50, so that the revolving door 70 can be accommodated in the C-shaped frame 50, and the revolving door 70 is in an open state at this time, and when the revolving door extends out to the opening position of the C-shaped frame 50, the opening of the C-shaped frame 50 is closed, and at this time, the revolving door 70 is in a closed state.

The inner sides of the C-shaped rack 50 and the revolving door 70 are provided with arc guide rails 60, when the revolving door 70 is closed, the arc guide rails 60 of the C-shaped rack 50 and the revolving door 70 form a circular track concentric with the O-shaped arm mechanism, and the X-ray source i 10, the X-ray source ii 20, the detector i 30 and the detector ii 40 are supported on the arc guide rails 60 and can rotate along the circular track under the action of a driving device (not shown in the figure).

When the revolving door 70 is opened, the C-shaped gantry 50 is overlapped with the arc guide 60 of the revolving door 70, and the first X-ray source 10, the second X-ray source 20, the first detector 30, and the second detector 40 rotate along the arc guide 60 and are accommodated in the C-shaped gantry 50.

As shown in fig. 1, in a closed state of the revolving door 70, the first X-ray source 10, the second X-ray source 20, the first detector 30, and the second detector 40 can rotate on the circular orbit of the O-arm mechanism to a designated working position, at this time, the first X-ray source 10 and the first detector 30 are oppositely distributed on the first X-ray source diameter 101 to form a pair of radiation sources, and the second X-ray source 20 and the second detector 40 are oppositely distributed on the second X-ray source diameter 201 to form another contrast source, thereby forming a dual X-ray source system. Wherein, the included angle alpha between the X-ray source I10 and the X-ray source II 20 can be set according to the requirement, and the adjustment range of the included angle alpha is 0-180 degrees.

Preferably, in the closed state of the revolving door 70, the first X-ray source 10, the second X-ray source 20, the first detector 30 and the second detector 40 are controlled by the driving device and can synchronously rotate along the circular track.

As shown in fig. 1, the two pairs of radiation sources are respectively located at the right position and the lateral position of the inspection object 80, and the X-ray source one 10 and the X-ray source two 20 are simultaneously exposed, so that two-dimensional images of two different positions of the inspection object 80 can be simultaneously obtained. The double X-ray source system composed of two pairs of irradiation sources can simultaneously make circular rotation motion around the inspection object 80, can acquire three-dimensional images in real time in the rotation process, has higher time resolution, effectively reduces the radiation dose on the basis of high-quality imaging, and has great clinical application value in the heart and blood vessel inspection.

In this embodiment, the X-ray source one 10 and the X-ray source two 20 may use the same or different operating tube voltages and tube currents, and the detector one 30 and the detector two 40 may use the same or different resolutions. Particularly, when the first X-ray source 10 and the second X-ray source 20 have different energies and the first detector 30 and the second detector 40 adopt different energy resolutions, high and low energy data of a focus position can be acquired in the rotation motion, and a better bone and blood vessel image can be acquired by processing the data by using a dual-energy silhouette technology.

As shown in fig. 2, in a state where the revolving door 70 is opened, the C-shaped gantry 50 becomes a C-shaped arm mechanism, the first X-ray source 10, the second X-ray source 20, the first detector 30, and the second detector 40 can rotate to a designated storage position along the arc guide 60, and at this time, the first X-ray source 10 and the second detector 40 are oppositely distributed on the first X-ray source diameter 101 to form a single-source X-ray system, so that a two-dimensional image at a fixed position can be acquired.

For convenience of use, the dual-source DSA device can add a mobile external device to make it a mobile dual-source DSA device.

The double-source DSA equipment can be applied to angiography and cardiac and orthopedic operations.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A dual-source DSA device comprising a C-type gantry (50), characterized in that: the opening of the C-shaped rack (50) is provided with a rotating door (70), the rotating door (70) and the C-shaped rack (50) form an O-shaped arm mechanism in the closing state of the rotating door (70), an X-ray source I (10), an X-ray source II (20), a detector I (30) and a detector II (40) are distributed along the circumferential direction of the O-shaped arm mechanism, and the rotating door (70), the X-ray source I (10), the X-ray source II (20), the detector I (30) and the detector II (40) are all accommodated in the C-shaped rack (50) to form the C-shaped arm mechanism in the opening state of the rotating door (70).

2. The dual-source DSA device of claim 1, wherein: the C-shaped rack (50) and the revolving door (70) are both in an arc sleeve shape, and the cross section of the revolving door (70) is smaller than that of the C-shaped rack (50).

3. A dual source DSA device according to claim 1 or 2, wherein: the C-shaped rack (50) and the revolving door (70) are provided with arc guide rails (60), under the closing state of the revolving door (70), the C-shaped rack (50) and the arc guide rails (60) of the revolving door (70) form a circular track concentric with the O-shaped arm mechanism, and the X-ray source I (10), the X-ray source II (20), the detector I (30) and the detector II (40) are borne on the arc guide rails (60) and can rotate along the circular track.

4. A dual-source DSA device according to claim 3, wherein: and under the closed state of the revolving door (70), the first X-ray source (10) is paired with the first detector (30), and the second X-ray source (20) is paired with the second detector (40) to form a dual-source X-ray system.

5. The dual-source DSA device of claim 4, wherein: and under the closed state of the revolving door (70), the X-ray source I (10), the X-ray source II (20), the detector I (30) and the detector II (40) synchronously rotate along the circular track.

6. The dual-source DSA device of claim 1, wherein: and when the revolving door (70) is in an open state, the first X-ray source (10) is paired with the second detector (40) to form a single-source X-ray system.

7. The dual-source DSA device of claim 1, wherein: the working tube voltage and the tube current of the X-ray source I (10) and the X-ray source II (20) are the same or different.

8. The dual-source DSA device of claim 1, wherein: the resolution of the first detector (30) is the same as or different from that of the second detector (40).

9. The dual-source DSA device of claim 5, wherein: when the revolving door (70) is closed, the included angle alpha between the X-ray source I (10) and the X-ray source II (20) can be adjusted within the range of 0-180 degrees.