CN109498045B - Support device for CT equipment correction - Google Patents
Support device for CT equipment correction Download PDFInfo
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- CN109498045B CN109498045B CN201811354660.4A CN201811354660A CN109498045B CN 109498045 B CN109498045 B CN 109498045B CN 201811354660 A CN201811354660 A CN 201811354660A CN 109498045 B CN109498045 B CN 109498045B
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- die body
- bed plate
- die
- adjusting
- support
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/582—Calibration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
Abstract
The invention discloses a support device for CT equipment correction, and relates to the technical field of medical instruments. The mold comprises a bed plate connecting part, a mold body supporting frame and an adjusting structure, wherein the bed plate connecting part is used for being fixed with a bed plate of CT equipment, and the bed plate connecting part is configured to move along the Z direction along with the bed plate so as to adjust the position of the mold body in the Z direction; the die body connecting part is connected to the bed plate connecting part and comprises a first part extending vertically; the die body support frame is used for fixing the die body; the adjustment structure removably secures the die body support frame to the first portion of the die body attachment portion and is capable of adjusting the positional relationship of the die body support frame relative to the first portion to thereby adjust the position of the die body in the X and/or Y directions, and/or the angle of inclination of the die body in the XZ, YZ, and/or XY planes. The support device has the advantages of simple structure, low cost and better universality, can be suitable for various different die bodies, and is convenient for adjusting the positions of the die bodies in all directions and the inclination angles of the die bodies in all planes.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a support device for correcting CT equipment.
Background
The medical CT detection phantom is an essential diagnostic tool for routine maintenance, routine correction inspection and overhaul of medical CT equipment. The medical CT equipment is diagnosed by installing the medical CT detection die body on a diagnosis bed.
The correction of CT equipment needs the die body of various different shapes and sizes, in order to realize the correction to complete visual field, the die body need can be adjusted in a flexible way along the position and the angle of all directions, and the position of die body apart from the centre of rotation of scanning frame needs can change in great scope moreover. Various manufacturers can provide supports with various structures according to different detection requirements, however, the supports are not only poor in universality, but also have the problems of complex structure, inconvenience in adjustment and high cost.
Disclosure of Invention
Based on the above, the present invention provides a support device for CT apparatus calibration, which has a simple structure, low cost and good versatility, and is suitable for various different mold bodies, and is convenient for flexibly adjusting the positions of the mold bodies in various directions and the inclination angles of the mold bodies in various planes.
In order to achieve the purpose, the invention adopts the following technical scheme:
a support device for CT equipment correction comprises a bed plate connecting part, a die body supporting frame and an adjusting structure, wherein the bed plate connecting part is used for being fixed with a bed plate of the CT equipment, and the bed plate connecting part is configured to move along the Z direction along with the bed plate so as to adjust the position of the die body in the Z direction; the die body connection is connected to the bed plate connection, which includes a vertically extending first portion; the die body support frame is used for fixing the die body; the adjustment structure removably secures the mold body support cage to the first portion of the mold body coupling portion and is capable of adjusting the positional relationship of the mold body support cage relative to the first portion to thereby adjust the position of the mold body in the X and/or Y directions, and/or the angle of inclination of the mold body in the XZ, YZ and/or XY planes.
As a preferable mode of the above-described shelf unit, the die body connecting portion further includes a second portion extending in a horizontal direction from one end of the first portion, the second portion being connected to the deck connecting portion; or
The die body connecting part further comprises a first horizontal plate-shaped part, a vertical plate-shaped part and a second horizontal plate-shaped part which are sequentially connected, wherein the first horizontal plate-shaped part is connected to the die plate connecting part, and the second horizontal plate-shaped part is connected to one end of the first part.
As a preferable scheme of the bracket device, the bed plate connecting portion and the mold body connecting portion are of an integrated structure.
As an optimized scheme of the support device, the bed board connecting part and the mold body connecting part are of a split structure.
As a preferable aspect of the above-mentioned support device, the die body support frame is an inverted U-shaped suspension structure, and the suspension structure can be suspended from the first portion of the die body connecting portion.
As a preferable embodiment of the above-mentioned support device, the adjusting structure includes a first bolt set, a second bolt set, and a third bolt set, the first bolt set is disposed at the top of the mold body support frame and can abut against the top end of the first portion, the second bolt set is disposed at the outer side of the mold body support frame and can abut against the side of the first portion, and the third bolt set is disposed at the side of the first portion and can penetrate through the first portion to abut against the mold body or the mold body support frame.
As a preferable aspect of the above-mentioned support device, a top end of the first portion is horizontally arranged along an X direction, and the mold body support frame can slide along the first portion, so as to adjust a position of the mold body in the X direction.
As a preferable scheme of the above-mentioned support device, both sides of the first portion are provided with flanges for preventing the die body support frame from sliding down.
As a preferable solution of the above-mentioned support device, the position of the die body along the Y direction can be adjusted by adjusting the first bolt group at the same time; and the first bolt groups are respectively adjusted, so that the inclination angle of the die body on the XY plane can be adjusted.
As a preferable scheme of the bracket device, the inclination angle of the die body along the YZ plane can be finely adjusted by adjusting the second bolt group; the second bolt groups are respectively adjusted, and the inclination angle of the die body on an XZ plane can be adjusted; meanwhile, the inclination angle of the die body on a YZ plane can be greatly adjusted by adjusting the third bolt group.
As a preferable scheme of the above-mentioned support device, a support interface is provided on the bed plate, and the bed plate connecting portion is fixedly connected to the support interface.
As a preferable scheme of the above support device, the bed board connecting portion is further provided with a fixing structure, and the fixing structure is abutted against the bed board through a fastening bolt, and is used for stabilizing the support device and reducing the swing of the support device on the XY plane.
The invention has the beneficial effects that:
the support device is fixedly connected with a bed plate of the CT equipment through the bed plate connecting part, so that the support device can be prevented from shaking in the using process, and can move along the Z direction along with the bed plate, and the position of a die body in the Z direction can be conveniently adjusted; by arranging the die body support frame, die bodies with different structures and sizes can be conveniently fixed; by arranging the die body connecting part, the die body supporting frame can be conveniently hung, and the requirements of different distances between the die body and the rotating center of the scanning frame can be met; the position of the die body in the direction X, Y and the inclination angles of the die body in the XZ, YZ and XY planes can be flexibly adjusted through the adjusting structure, and the die body can be completely covered according to the positioning requirement in the correcting process. The bracket device has higher universality, simple structure, convenient use and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic representation of the coordinates of the X, Y, Z orientation in an embodiment of the present invention;
fig. 2 is a schematic structural view of a connecting portion of a bed plate and a connecting portion of a mold body in a support device according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a connection between a holder device and a mold body and a bed plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of a mounting structure of a bracket assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a connecting portion of a bed plate and a connecting portion of a mold body in a bracket device according to a second embodiment of the present invention;
fig. 6 is a schematic view illustrating a connection between a bracket device and a mold body and a bed plate according to a second embodiment of the present invention.
In the figure:
100-bed board;
200-die body;
300-a gantry;
1-a bed board connecting part; 11-a fixed structure; 2-a die body connecting part; 21-a first part; 22-a second part; 23-a first horizontal plate-like portion; 24-a vertical plate-like portion; 25-a second horizontal plate-like portion; 3-a die body support frame; 41-a first bolt group; 42-a second bolt set; 43-third bolt set.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The present embodiment provides a support device for CT apparatus calibration, as shown in fig. 1, the CT apparatus includes a table 100 and a scanning frame 300, the table 100 is used for carrying a patient to be tested, and the scanning frame 300 is used for scanning and testing a focus area of the patient. The scanning frame 300 is provided with a scanning hole, the direction of the axis of the scanning hole and the direction of the length of the top board 100 are the Z direction, the direction of the width of the top board 100 is the X direction, and the direction of the thickness of the top board 100 is the Y direction. In the CT apparatus, the bed plate 100 can move horizontally in the Z direction and vertically pass through the scanning hole, so as to accurately position the focal region. The bracket device is arranged on the bed board 100 and used for installing the mold body 200, so that the CT equipment can be corrected and detected. As shown in fig. 2-3, the support device includes a bed plate connecting portion 1, a die body connecting portion 2, a die body support frame 3 and an adjusting structure, wherein the bed plate connecting portion 1 is used for being fixedly connected with a bed plate 100, for example, the bed plate connecting portion 1 is fixed on the bed plate 100 through bolts. Here, because bed board connecting portion 1 and bed board 100 fixed connection, can prevent on the one hand that the support device from appearing rocking in the use, on the other hand the support device can follow bed board 100 and remove along the Z direction, is convenient for adjust the position of die body 200 in the Z direction. The die body connecting part 2 is connected with the bed board connecting part 1, and a first part 21 extending vertically is arranged on the die body connecting part 2; the mold body support 3 is fixed to the mold body 200, so that the mold bodies 200 of various structures and sizes can be suspended on the mold body connecting portion 2 through the mold body support 3. The adjustment structure is capable of removably securing the body module support cage 3 to the first section 21 of the body module coupling portion 2 and is capable of adjusting the positional relationship of the body module support cage 3 relative to the first section 21 to thereby adjust the position of the body module 200 in the X and/or Y directions, and/or the angle of inclination of the body module 200 in the XZ, YZ and/or XY planes, to thereby achieve full coverage of the positioning requirements of the body module 200 during calibration. In addition, the die body connecting part 2 with different structural forms can meet the requirements of different distances from the die body 200 to the rotation center of the scanning frame 300.
Further, the bed board connecting portion 1 is a flat plate disposed along the horizontal direction, and is disposed parallel to the bed surface of the bed board 100, so that the fixed connection between the bed board connecting portion 1 and the bed board 100 is conveniently realized. The mold body connecting part 2 in this embodiment further includes a second portion 22 extending in a horizontal direction from one end of the first portion 21, and the second portion 22 is connected to the bed board connecting part 1. This embodiment enables the height of the support device in the Y-direction to be reduced, i.e. enables the phantom 200 to be positioned relatively close to the center of rotation of the gantry 300, since the second portion 22 is disposed in the horizontal direction. Further, both the bed board connecting part 1 and the die body connecting part 2 can be of an integrated structure and are integrally processed and formed, so that the structural stability of the support device is improved, and the processing and assembling procedures are saved. Of course, the bed board connecting part 1 and the die body connecting part 2 can also be of a split structure so as to increase the assembling flexibility of each part of the bracket device. Preferably, bed board connecting portion 1 and die body connecting portion 2 adopt split type structure among the embodiment, and bed board connecting portion 1 and die body connecting portion 2 realize dismantling the connection through a plurality of fastening screw.
Preferably, the phantom support frame 3 of this embodiment is an inverted U-shaped suspension structure that is capable of being suspended from the first portion 21 of the phantom connection portion 2. Specifically, the top end of the first portion 21 is disposed horizontally along the X direction, and itself may serve as a slide rail, so that the mold body support frame 3 can precisely slide along the first portion 21 for adjusting the position of the mold body 200 in the X direction. And two sides of the first part 21 are also provided with flanges for preventing the die body support frame 3 from sliding off.
As shown in fig. 3, the adjusting structure includes a first bolt group 41, a second bolt group 42 and a third bolt group 43, the first bolt group 41 is disposed at the top of the casing support frame 3 and includes at least two bolts, and the first bolt group 41 can penetrate through the casing support frame 3 and then abut against the top end of the first portion 21; the second bolt group 42 is arranged at the outer side part of the die body support frame 3 and also comprises at least two bolts, and the second bolt group 42 can penetrate through the die body support frame 3 and then abut against the side surface of the first part 21; the third bolt set 43 is disposed at a side of the first portion 21 and below the second bolt set 42, and the third bolt set 43 includes at least one bolt that can pass through the first portion 21 and then abut against the mold block 200 or the mold block support 3. Specifically, when the plate-shaped structure of the mold body support 3 near the mold body 200 is long, the third bolt set 43 can abut against the plate-shaped structure, and when the plate-shaped structure of the mold body support 3 near the mold body 200 is short, the third bolt set 43 can directly abut against the mold body 200, so as to adjust the installation angle of the mold body 200.
Specifically, the adjusting process of the mold body 200 according to the present embodiment is as follows: the position of the mold body 200 in the Z direction is adjusted by adjusting the position of the bed plate 100 in the Z direction; adjusting the position of the mold block 200 in the X direction by sliding the mold block support 3 along the top end of the first section 21; the height of the first bolt group 41 is adjusted at the same time, so that the position of the die body 200 along the Y direction is adjusted; the die body 200 is rotated in the XY plane by respectively adjusting the heights of the first bolt groups 41, so that the inclination angle of the die body 200 in the XY plane is adjusted; the die body 200 is turned over along the YZ plane by adjusting the second bolt group 42 at the same time, so as to finely adjust the inclination angle of the die body 200 along the YZ plane; the die body 200 is turned over along the XZ plane by respectively adjusting the second bolt groups 42, so as to adjust the inclination angle of the die body 200 on the XZ plane; by adjusting the third bolt group 43, the die body 200 is turned over along the YZ plane with the top end of the die body connecting portion 2 as a fulcrum, so as to greatly adjust the inclination angle of the die body 200 on the YZ plane.
Further, a support interface for mounting the support device is arranged on the bed board 100 of the CT apparatus, and the hospital bed connecting portion 1 of the support device is designed according to the support interface, and the structure of the hospital bed connecting portion is matched with that of the support interface, so that the hospital bed connecting portion 1 can be conveniently fixed on the support interface. Preferably, the support interface may be a head support interface for mounting a head support on the bed board 100, and the head support interface is directly fixed to the bed connecting portion 1 of the support device, so as to further simplify the structures of the bed board 100 and the support device and increase the convenience of operation. With the continuous update of CT equipment, a lighter and smaller mold body 200 gradually appears, and since the mold body 200 is easy to swing back and forth and is not easy to adjust when the existing support device bears the light mold body 200, a fixing structure 11 is further added in the embodiment. As shown in fig. 4, the fixing structure 11 is disposed at the lower side of the bed board connecting portion 1, one end of the fixing structure, which is far away from the bed board 100, is rotatably connected to the bed board connecting portion 1, one end of the fixing structure, which is close to the bed board 100, is a free end and is provided with a fastening bolt, after the bed board connecting portion 1 is connected to the bed board 100, the fixing structure 11 is rotated to the bottom of the bed board 100, and the bracket device is stably fixed to the bed board 100 by tightening the fastening bolt thereon. The bracket device has the advantages of simple structure, low cost, firm fixation and better universality, can be suitable for various different die bodies, and is convenient for adjusting the positions of the die bodies in all directions and the inclination angles of the die bodies in all planes.
Example two
As shown in fig. 5 and fig. 6, the present embodiment provides another support device for CT apparatus calibration, which has substantially the same structure as the support device in the first embodiment, except that: the die body connecting portion 2 is different in structure.
In this embodiment, the die body connecting portion 2 includes, in addition to the first portion 21 as in the first embodiment, a first horizontal plate portion 23, a vertical plate portion 24, and a second horizontal plate portion 25, which are connected in this order, wherein the first horizontal plate portion 23 is disposed in the horizontal direction and connected to the bed plate connecting portion 1, the vertical plate portion 24 is disposed in the vertical direction and has a certain height, and the second horizontal plate portion 25 is disposed in the horizontal direction and connected to one end of the first portion 21. The die body connecting part 2 in the form increases the height of the support device along the vertical direction (namely the Y direction), so that the die body 200 can obtain a position far away from the rotation center of the scanning frame 300, the die body 200 can be adjusted in a large range, and the correction of the complete view field of the CT equipment is facilitated. Similarly, this die body connecting portion 2 also can set up to integral type structure or adopt split type structure with bed board connecting portion 1, and the preferred split type structure that adopts of this embodiment, wherein bed board connecting portion 1 and die body connecting portion 2 realize dismantling through a plurality of fastening screw and are connected.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. A support device for CT equipment correction is characterized by comprising:
the bed plate connecting part (1) is used for being fixed with a bed plate (100) of the CT equipment, and the bed plate connecting part (1) is configured to move along the Z direction along with the bed plate (100) so as to adjust the position of the mold body (200) in the Z direction;
a mould body connection (2) connected to the bed plate connection (1) comprising a vertically extending first portion (21);
the die body support frame (3) is used for fixing the die body (200); and
adjustment structure removably securing the phantom support (3) to the first portion (21) of the phantom connection portion (2) and which is capable of adjusting the positional relationship of the phantom support (3) relative to the first portion (21) to thereby adjust the position of the phantom (200) in the X and/or Y directions and/or the angle of inclination of the phantom (200) in the XZ, YZ and/or XY plane; the adjusting structure comprises a first bolt group (41), a second bolt group (42) and a third bolt group (43), wherein the first bolt group (41) is arranged at the top of the die body support frame (3) and can be abutted against the top end of the first part (21), the second bolt group (42) is arranged at the outer side part of the die body support frame (3) and can be abutted against the side surface of the first part (21), and the third bolt group (43) is arranged at the side surface of the first part (21) and can penetrate through the first part (21) to be abutted against the die body (200) or the die body support frame (3).
2. A bracket arrangement according to claim 1, characterised in that the die body connection part (2) further comprises a second part (22) extending in a horizontal direction from one end of the first part (21), which second part (22) is connected to the bed plate connection part (1); or
The die body connecting part (2) further comprises a first horizontal plate-shaped part (23), a vertical plate-shaped part (24) and a second horizontal plate-shaped part (25) which are sequentially connected, wherein the first horizontal plate-shaped part (23) is connected to the die plate connecting part (1), and the second horizontal plate-shaped part (25) is connected to one end of the first part (21).
3. A support device according to claim 2, characterized in that the bed plate connection (1) and the mould body connection (2) are of one-piece construction.
4. A support device according to claim 2, characterized in that the bed plate connection part (1) and the mould body connection part (2) are of a split construction.
5. A support device according to any one of claims 1 to 4, characterised in that the phantom support frame (3) is an inverted U-shaped suspension structure which is capable of being suspended from the first portion (21) of the phantom connection portion (2).
6. A holder device according to claim 5, characterised in that the top end of the first section (21) is arranged horizontally in the X-direction, and the phantom support frame (3) is slidable along the first section (21) for adjusting the position of the phantom (200) in the X-direction.
7. A support device according to claim 6, characterized in that both sides of the first portion (21) are provided with flanges for preventing the mould body support frame (3) from sliding off.
8. A holder device according to claim 5, wherein the position of the mould body (200) in the Y direction can be adjusted by adjusting the first set of bolts (41) simultaneously; the inclination angles of the die body (200) in an XY plane can be adjusted by adjusting the first bolt groups (41) respectively.
9. A holder device according to claim 5, wherein simultaneous adjustment of the second set of bolts (42) enables fine adjustment of the angle of inclination of the mould body (200) in the YZ-plane; the second bolt groups (42) are respectively adjusted, so that the inclination angle of the die body (200) in an XZ plane can be adjusted; meanwhile, the inclination angle of the die body (200) on a YZ plane can be greatly adjusted by adjusting the third bolt group (43).
10. The support device according to claim 1, characterized in that the bed plate (100) is provided with a support interface, and the bed plate connecting part (1) is fixedly connected with the support interface.
11. A holder device according to claim 1, characterized in that the bed plate connection (1) is further provided with a fixing structure (11), which fixing structure (11) is in abutment with the bed plate (100) by means of fastening bolts for stabilizing the holder device, reducing its swinging in the XY-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354660.4A CN109498045B (en) | 2018-11-14 | 2018-11-14 | Support device for CT equipment correction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354660.4A CN109498045B (en) | 2018-11-14 | 2018-11-14 | Support device for CT equipment correction |
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| CN109498045A CN109498045A (en) | 2019-03-22 |
| CN109498045B true CN109498045B (en) | 2022-08-12 |
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| Publication number | Publication date |
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| CN109498045A (en) | 2019-03-22 |
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