CN221044957U

CN221044957U - Mould swinging device and DSA equipment

Info

Publication number: CN221044957U
Application number: CN202322157890.4U
Authority: CN
Inventors: 张国烨
Original assignee: Shanghai United Imaging Healthcare Co Ltd
Current assignee: Shanghai United Imaging Healthcare Co Ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-05-31
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a die swinging device and DSA equipment, wherein the die swinging device comprises a locating sleeve and a die swinging mechanism, the locating sleeve is used for sleeving a die body, and a first locating block and a second locating block are formed on the peripheral wall of the locating sleeve so as to enable a scanning module to acquire the position information of the first locating block and the second locating block; the die swinging mechanism is used for connecting the die body and can adjust the position of the positioning sleeve according to the position information so as to change the position of the die body. The utility model can adjust the position of the positioning sleeve according to the position information of the first positioning block and the second positioning block obtained by the scanning module, and finally achieves the purpose of adjusting the position of the die body, thus realizing the automatic correction of the position of the die body in the DSA equipment and having the function of improving the correction efficiency and the correction precision of the die body.

Description

Mould swinging device and DSA equipment

Technical Field

The utility model belongs to the technical field related to DSA equipment, and particularly relates to a mold arranging device and DSA equipment.

Background

DSA equipment, also known as digital subtraction angiography (Digital Subtraction Angiography, DSA), is a photographic technique that uses a computer to eliminate images of bone and soft tissue on an angiogram, highlighting only the blood vessels on the image slice.

The digital subtraction angiography device is also called as DSA device, and the DSA device needs to be realized by means of the position of the metal pellets arranged on the die body during geometric correction, so that the die body needs to be corrected relative to the DSA device before geometric correction is performed on the DSA device. At present, manual operation is usually required for correcting the position of the existing die body relative to DSA equipment, specifically, an engineer is required to pay out repeatedly to confirm the position and angle of the die body in the process of correcting the die body, then the installation position and the installation angle of a die body tool are adjusted, and the purpose of die body correction is achieved. However, since the correction of the above-described mold body is manually performed, it is not only inefficient but also prone to errors.

Disclosure of utility model

In view of the foregoing, there is a need for a mold swinging device and DSA apparatus for solving the above-mentioned problems.

A die swinging device is used for being matched with a scanning module in the DSA equipment so as to correct the position of the die body in the DSA equipment; the die swinging device comprises:

The positioning sleeve is used for sleeving the die body, and a first positioning block and a second positioning block are formed on the peripheral wall of the positioning sleeve so that the scanning module can acquire the position information of the first positioning block and the second positioning block;

The die swinging mechanism is used for connecting the die body and adjusting the position of the positioning sleeve according to the position information so as to change the position of the die body.

According to the application, through the structural arrangement of the positioning sleeve and the mold arranging mechanism, when the mold arranging device works, the position of the positioning sleeve can be adjusted according to the position information of the first positioning block and the second positioning block acquired by the scanning module, and finally the purpose of adjusting the position of the mold body is achieved, so that the automatic correction of the position of the mold body in the DSA equipment can be realized, and the mold body correction efficiency and precision are improved.

In one embodiment, the first positioning block is scanned by the scanning module to obtain an offset angle of the positioning sleeve relative to the DSA device;

the second positioning block is scanned by the scanning module to acquire offset displacement of the positioning sleeve relative to the DSA equipment.

It can be understood that through the above-mentioned structure setting, decompose the position information of locating sleeve into angular offset and displacement skew, can satisfy the user demand of this pendulum model device during operation to die position correction like this.

In one embodiment, the die swinging mechanism comprises a die body supporting rod and an angle adjusting assembly, one end of the die body supporting rod is installed on the angle adjusting assembly, the other end of the die body supporting rod is connected with the die body, and the die body supporting rod can adjust the offset angle of the positioning sleeve relative to the DSA equipment under the driving of the angle adjusting assembly.

It can be understood that through the above-mentioned angle adjustment subassembly and the structural setting of die body branch for this pendulum mould device during operation, with the drive of angle adjustment subassembly to die body branch, can realize the correction to die body angular displacement.

In one embodiment, the angle adjusting assembly comprises a fixed base, a rotating base and a first rotating driving piece, wherein the rotating base is rotatably installed on the fixed base and is rotatably connected with the die body supporting rod;

The first rotary driving piece drives the rotary base to rotate relative to the fixed base.

It can be appreciated that through the above-mentioned fixed base, rotating base and the structural setting of first rotary driving piece to this structure setting of concretely realizing this angle adjustment subassembly makes this angle adjustment subassembly during operation, realizes the automatic adjustment to the skew angle of adjustment locating sleeve relative DSA equipment with first rotary driving piece pivoted drive to the locating sleeve.

In one embodiment, the die swinging mechanism further comprises a displacement adjusting assembly, the die body supporting rod is further connected with the displacement adjusting assembly, and the die body supporting rod is driven by the displacement adjusting assembly to adjust the offset displacement of the positioning sleeve relative to the DSA equipment.

It can be understood that through the structural arrangement of the displacement adjustment assembly, when the mold arranging device works, the displacement adjustment assembly is used for driving the mold body supporting rod, and the correction of the displacement offset of the mold body can be realized.

In one embodiment, the displacement adjustment assembly comprises a second rotary driving piece and a driving block, wherein the driving block is installed on a rotary shaft of the second rotary driving piece and hinged with the die body supporting rod, so that the die body supporting rod is driven by the driving block to swing relative to the DSA equipment.

It can be understood that through the structural arrangement of the second rotary driving piece and the driving block, the structure of the displacement adjusting assembly is specifically realized, so that when the displacement adjusting assembly works, the second rotary driving piece is used for driving the positioning sleeve to swing through the driving block, and the automatic adjustment of the installation position of the positioning sleeve relative to the DSA equipment is achieved.

In one embodiment, the displacement adjustment assembly further includes a support plate rotatably connected to the die body strut, and the support plate cooperates with the driving block and is used for supporting the die body strut together, so that the driving block drives the die body strut to swing relative to the support plate.

It is to be understood that the die body supporting rod is rotatably connected by the supporting plate, so that the die body supporting rod is supported by the die body supporting rod, and the die body supporting rod can swing by taking the supporting plate as a supporting point under the driving of the driving block.

In one embodiment, the first positioning block has two first standard sides, the two first standard sides are arranged in parallel, and two endpoints of each first standard side are identified by the scanning module;

the second positioning block is provided with two second standard sides, the two second standard sides are arranged in parallel, and two endpoints of each second standard side are identified by the scanning module.

It can be understood that through the above-mentioned structure setting to this cooperation between this first locating piece and second locating piece and the scanning module of specific realization, in order to satisfy the user demand that scanning module during operation can acquire first locating piece and second locating piece positional information.

In one embodiment, the positioning sleeve is further provided with a positioning part, and the positioning part is aligned with the die body, so that the positioning sleeve is positioned at the mounting position on the die body.

It can be understood that the alignment between the locating part on the locating sleeve and the die body is used for locating the installation position of the locating sleeve on the die body, so that the locating sleeve can be precisely located at the assembly position of the locating sleeve on the die body, and the use requirement of correcting the die position during the operation of the die swinging device is met.

The application also discloses DSA equipment comprising the mould arranging device.

Compared with the prior art, the application has the following beneficial effects:

According to the die swinging device and the DSA equipment, through the structural arrangement of the locating sleeve and the die swinging mechanism, when the die swinging device works, the position of the locating sleeve can be adjusted according to the position information of the first locating block and the second locating block acquired by the scanning module, and finally the purpose of adjusting the position of the die body is achieved, so that the automatic correction of the position of the die body in the DSA equipment can be realized, and the die body correction efficiency and accuracy are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present application, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a mold arranging apparatus according to an embodiment of the present application;

FIG. 2 is an exploded view of a positioning sleeve and a mold body according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of one working state of a mold arranging device according to an embodiment of the present application, wherein a scanning module is used for obtaining position information of a first positioning block on a positioning sleeve;

Fig. 4 is a schematic structural diagram of another working state of the mold arranging device according to an embodiment of the present application, where the scanning module is used to obtain the position information of the second positioning block on the positioning sleeve.

Reference numeral, 10, locating sleeve; 11. a first positioning block; 111. a first standard edge; 12. a second positioning block; 121. a second standard edge; 13. a positioning part; 20. a mould arranging mechanism; 21. a die body strut; 22. an angle adjustment assembly; 221. a fixed base; 222. a rotating base; 223. a first rotary drive member; 23. a displacement adjustment assembly; 231. a second rotary driving member; 232. a driving block; 233. a support plate; 200. a die body; 201. a mating hole; 300. a scanning module; 400. a bed body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The disclosed mold-setting apparatus is used to cooperate with the scan module 300 of the DSA apparatus to correct the position of the mold body 200 in the DSA apparatus. It should be noted that, the scanning module 300 may specifically be a C-arm scanning module in the DSA apparatus.

As shown in fig. 1, the mold arranging device provided by an embodiment of the present application includes a positioning sleeve 10 and a mold arranging mechanism 20, wherein the positioning sleeve 10 is used for sleeving a mold body 200, and a first positioning block 11 and a second positioning block 12 are formed on an outer peripheral wall of the positioning sleeve 10 so as to enable a scanning module 300 to acquire position information of the first positioning block 11 and the second positioning block 12; the mold arranging mechanism 20 is used for connecting the mold body 200, and can adjust the position of the positioning sleeve 10 according to the position information so as to change the position of the mold body 200.

It can be appreciated that when the mold arranging device works, the position of the positioning sleeve 10 can be adjusted according to the position information of the first positioning block 11 and the second positioning block 12 acquired by the scanning module 300, and finally the purpose of adjusting the position of the mold body 200 is achieved, so that the automatic correction of the position of the mold body 200 in the DSA equipment can be realized, and the effect of improving the correction efficiency and accuracy of the mold body 200 is achieved.

As shown in fig. 3 and 4, in some embodiments, the first positioning block 11 is scanned by the scanning module 300 to obtain an offset angle of the positioning sleeve 10 relative to the DSA apparatus; the second positioning block 12 is scanned by the scanning module 300 to obtain the offset displacement of the positioning sleeve 10 relative to the DSA apparatus. That is, the position information of the positioning sleeve is decomposed into an angular offset and a displacement offset, so that the use requirement of the mold body 200 for position correction during the operation of the mold swinging device can be met. It should be noted that the number of the first positioning blocks 11 and the second positioning blocks 12 in the present embodiment is one, and it is needless to say that, for a person skilled in the art, the number of the first positioning blocks 11 and/or the second positioning blocks 12 may be two, three, or even more.

The preset angle formed between the first positioning block 11 and the second positioning block 12 on the positioning sleeve 10 is 90 °, so that when the scanning module 300 is respectively matched with the first positioning block 11 and the second positioning block 12, the scanning module 300 can correspondingly rotate by 90 °. It should be noted that, the preset angle between the first positioning block 11 and the second positioning block 12 may be set to any other angle such as 80 ° and 110 ° according to the requirement of use.

As shown in fig. 2, in some embodiments, the first positioning block 11 has two first standard sides 111, the two first standard sides 111 are disposed in parallel, and two end points of each first standard side 111 are identified by the scanning module 300; and, the second positioning block 12 has two second standard sides 121, the two second standard sides 121 are arranged in parallel, and two end points of each second standard side 121 are identified by the scanning module 300, so that the first positioning block 11 and the second positioning block 12 are specifically scanned by the scanning module 300, and the use requirement that the position information of the first positioning block 11 and the second positioning block 12 can be obtained when the scanning module 300 works is met. It should be noted that, the working principle of how the scanning module 300 works to identify the two end points of the first standard edge 111 and the two end points of the second standard edge 121 can be a conventional image edge identification method, which is not described herein.

It should be noted that, the positioning sleeve 10 may be specifically made of a material that can be penetrated by X-rays, for example, an acryl material, a resin material, or the like; the first positioning block 11 and the second positioning block 12 may be made of a material through which X-rays cannot pass, for example, a material such as lead, a steel plate, etc.; when the scanning module 300 works and emits X-rays, the images of the four endpoints on the first positioning block 11 and the four endpoints on the second positioning block 12 can be acquired respectively, coordinates corresponding to the four endpoints are identified and obtained after image binarization processing, then the angle deviation of the two first standard sides 111 on the corresponding first positioning block 11 can be calculated according to the four coordinate points, the position deviation of the two second standard sides 121 on the corresponding second positioning block 12 relative to the reference position can be used as a basis to adjust the die body 200, and the angle deviation and the position deviation are sequentially adjusted to be zero. Of course, the above-mentioned image binarization processing and the working principle of calculating the corresponding angle deviation and position deviation according to the four coordinate points can be adopted in a conventional manner in the prior art, and the above-mentioned matters are not focused on the protection of the present application, and are not described herein.

In the present embodiment, the first positioning block 11 and/or the second positioning block 12 are configured as rectangular blocks, however, it is obvious to those skilled in the art that in other embodiments, the first positioning block 11 and/or the second positioning block 12 are configured as other irregular shapes, as long as the first positioning block 11 and the second positioning block 12 can satisfy four end points having two-to-two symmetrical arrangement and can be respectively identified by the scanning module 300.

As shown in fig. 2, in some embodiments, the positioning sleeve 10 further has a positioning portion 13 formed thereon, and the positioning portion 13 is disposed aligned with the mold body 200 so as to position the positioning sleeve 10 at the installation position on the mold body 200. That is, when the positioning sleeve 10 is mounted on the mold body 200, whether the positioning portion 13 is aligned with the mold body 200 or not can be used as a judging standard to determine the assembling position of the positioning sleeve 10 on the mold body 200, so that the positioning sleeve 10 can be precisely positioned on the assembling position of the mold body 200, and the use requirement of correcting the position of the mold body 200 when the mold swinging device works can be met.

The positioning portion 13 may be specifically configured to be provided with a positioning hole on the positioning sleeve 10, and correspondingly, a matching hole 201 is also provided on the mold body 200 to match the positioning hole on the positioning sleeve 10, and when the positioning hole is aligned with the matching hole 201, the accurate positioning of the mounting position of the positioning sleeve 10 on the mold body 200 can be represented. It should be noted that, for those skilled in the art, the positioning portion 13 may be provided with a marking line on the positioning sleeve 10, and accordingly, the mold body 200 may be provided with a corresponding marking line, which is not described herein.

As shown in fig. 1, in some embodiments, the mold swinging mechanism 20 includes a mold body support rod 21 and an angle adjusting component 22, where the mold body support rod 21 is installed on the angle adjusting component 22 and is used to connect with the mold body 200, and the mold body support rod 21 can adjust the offset angle of the positioning sleeve 10 relative to the DSA device under the driving of the angle adjusting component 22, so that when the mold swinging device works, the angle adjusting component 22 is used to drive the mold support rod 21, and thus the correction of the angular offset of the mold body 200 can be achieved.

The angle adjusting assembly 22 comprises a fixed base 221, a rotating base 222 and a first rotating driving piece 223, wherein the rotating base 222 is rotatably installed on the fixed base 221 and is rotatably connected with the die body supporting rod 21; the first rotary driving member 223 is capable of driving the rotary base 222 to rotate relative to the fixed base 221, so as to drive the die body strut 21 to rotate relative to the DSA apparatus.

It should be noted that, the fixing base 221 is mounted on the bed body 400 of the DSA apparatus, and the movement of the entire swing mold device in the X-axis, Y-axis and Z-axis directions of the patient coordinate system can be realized by using the structural characteristics of the bed body 400, so as to realize the centering of the mold body 200. Of course, the centering of the phantom 200 described above refers specifically to the coincidence of the center of the phantom 200 and the center of the scan module 300, and the scan module 300 is specifically a C-arm of a DSA apparatus.

Wherein the body of the first rotation driving member 223 is fixed to the rotation base 222, and the rotation shaft is fixed to the fixing base 221, so that the first rotation driving member 223 is activated to enable driving of the rotation base 222 to rotate on the fixing base 221, and in particular, the first rotation driving member 223 may be provided as a motor, a rotation cylinder, or the like.

As shown in fig. 1, in some embodiments, the mold swinging mechanism 20 further includes a displacement adjustment assembly 23, the mold body strut 21 is further connected to the displacement adjustment assembly 23, and the mold body strut 21 can adjust the offset displacement of the positioning sleeve 10 relative to the DSA device under the driving of the displacement adjustment assembly 23, so that when the mold swinging device works, the mold strut 21 is driven by the displacement adjustment assembly 23, and the correction of the displacement offset of the mold body 200 can be achieved.

The displacement adjustment assembly 23 comprises a second rotary driving member 231 and a driving block 232, wherein the driving block 232 is mounted on the rotary shaft of the second rotary driving member 231 in a threaded manner; the driving block 232 is hinged with the die body strut 21, so that the die body strut 21 is driven to swing relative to the DSA equipment under the driving of the driving block 232.

The displacement adjusting assembly 23 further comprises a supporting plate 233, the supporting plate 233 is rotatably connected to the die body supporting rod 21, and the supporting plate 233 is matched with the driving block 232 and is used for supporting the die body supporting rod 21 together, so that the driving block 232 can drive the die body supporting rod 21 to swing relative to the supporting plate 233, and the die body supporting rod 21 can swing with the supporting plate 233 as a supporting point under the driving of the driving block 232, so that the use requirement of swinging driving of the die body supporting rod 21 during the working of the displacement adjusting assembly 23 is met.

The number of the supporting plates 233 is two, and along the radial direction of the die body supporting rod 21, the two supporting plates 233 are separated at two sides of the die body supporting rod 21, so as to improve the stability of installing the die body supporting rod 21 on the supporting plates 233.

It should be noted that, the supporting plate 233 may be specifically and fixedly mounted to the rotating base 222, so that the rotating base 222 can drive the die body supporting rod 21 to rotate through the supporting plate 233, so as to meet the use requirement of adjusting the mounting angle and the mounting position of the die body supporting rod 21 relative to the DSA device according to the use requirement when the die swinging mechanism 20 works.

In summary, the mold arranging device of the present application can obtain the position information of the first positioning block 11 and the second positioning block 12 according to the scanning module 300 to adjust the position of the positioning sleeve 10, and finally achieve the purpose of adjusting the position of the mold body 200, so that the automatic correction of the position of the mold body 200 in the DSA apparatus can be realized, and the function of improving the correction efficiency and accuracy of the mold body 200 is achieved.

In addition, the application also provides DSA equipment, which comprises the mould arranging device.

The technical features of the above embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.

Claims

1. A die-setting device for cooperating with a scanning module (300) in a DSA apparatus to correct the position of a die body (200) in the DSA apparatus; the mold arranging device is characterized by comprising:

The positioning sleeve (10) is used for sleeving the die body (200), and a first positioning block (11) and a second positioning block (12) are formed on the peripheral wall of the positioning sleeve (10) so that the scanning module (300) can acquire the position information of the first positioning block (11) and the second positioning block (12);

And the die swinging mechanism (20) is used for connecting the die body (200) and can adjust the position of the positioning sleeve (10) according to the position information so as to change the position of the die body (200).

2. The die arrangement according to claim 1, characterized in that the first positioning block (11) is scanned by the scanning module (300) to obtain an offset angle of the positioning sleeve (10) relative to the DSA device;

The second positioning block (12) is scanned by the scanning module (300) to obtain offset displacement of the positioning sleeve (10) relative to the DSA equipment.

3. The die swinging device according to claim 2, wherein the die swinging mechanism (20) comprises a die body supporting rod (21) and an angle adjusting assembly (22), one end of the die body supporting rod (21) is installed on the angle adjusting assembly (22) and the other end of the die body supporting rod is connected with the die body (200), and the die body supporting rod (21) is driven by the angle adjusting assembly (22) to adjust the offset angle of the positioning sleeve (10) relative to the DSA equipment.

4. A mould arranging device according to claim 3, characterized in that the angle adjusting assembly (22) comprises a fixed base (221), a rotary base (222) and a first rotary driving piece (223), wherein the rotary base (222) is rotatably mounted on the fixed base (221) and is rotatably connected with the mould body strut (21);

The first rotary driving member (223) drives the rotary base (222) to rotate relative to the fixed base (221).

5. A mould arranging device according to claim 3, characterized in that the mould arranging mechanism (20) further comprises a displacement adjusting component (23), the mould body supporting rod (21) is further connected with the displacement adjusting component (23), and the mould body supporting rod (21) is driven by the displacement adjusting component (23) to adjust the offset displacement of the positioning sleeve (10) relative to the DSA equipment.

6. The die swinging device according to claim 5, wherein the displacement adjusting assembly (23) comprises a second rotary driving member (231) and a driving block (232), and the driving block (232) is mounted on a rotary shaft of the second rotary driving member (231) and hinged with the die body supporting rod (21) so as to drive the die body supporting rod (21) to swing relative to the DSA equipment under the driving of the driving block (232).

7. The mold arranging device according to claim 6, wherein the displacement adjusting assembly (23) further comprises a supporting plate (233), the supporting plate (233) is rotatably connected to the mold body supporting rod (21), and the supporting plate (233) cooperates with the driving block (232) and is used for supporting the mold body supporting rod (21) together, so that the driving block (232) drives the mold body supporting rod (21) to swing relative to the supporting plate (233).

8. The mold arranging device according to claim 1, wherein the first positioning block (11) has two first standard sides (111), the two first standard sides (111) are arranged in parallel, and two end points of each first standard side (111) are recognized by the scanning module (300);

The second positioning block (12) is provided with two second standard sides (121), the two second standard sides (121) are arranged in parallel, and two endpoints of each second standard side (121) are identified by the scanning module (300).

9. The mold arranging device according to claim 1, wherein a positioning portion (13) is further formed on the positioning sleeve (10), and the positioning portion (13) is aligned with the mold body (200) so as to position the positioning sleeve (10) at the mounting position on the mold body (200).

10. DSA apparatus comprising a die arrangement according to any one of claims 1 to 9.