CN108132030B - Precise measurement device for isocenter of rotating frame of superconducting proton medical equipment - Google Patents
Precise measurement device for isocenter of rotating frame of superconducting proton medical equipment Download PDFInfo
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- CN108132030B CN108132030B CN201711367427.5A CN201711367427A CN108132030B CN 108132030 B CN108132030 B CN 108132030B CN 201711367427 A CN201711367427 A CN 201711367427A CN 108132030 B CN108132030 B CN 108132030B
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- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 238000003384 imaging method Methods 0.000 claims abstract description 120
- 238000010252 digital analysis Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002661 proton therapy Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011496 digital image analysis Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
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- Apparatus For Radiation Diagnosis (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses an isocenter precise measurement device of a rotating frame of superconducting proton medical equipment, which comprises an imaging object, an X-ray device, an imaging system, a bracket and an imaging digital analysis system, wherein the imaging object is arranged on the rotating frame; the imaging object is fixed on a rotating frame fixing plate, and one end of the rotating frame fixing plate is connected to the inner wall of the opening of the rotating frame; the X-ray device and the imaging system are provided with two groups, namely a group in a horizontal direction and a group in a vertical direction; the X-ray device and the imaging system are positioned at two sides of an imaging object and are oppositely arranged, and are respectively arranged on the rotating frame fixing plate and the bracket; the imaging digital analysis system is connected with the imaging system through a wire. The invention realizes the precise measurement of the isocenter of the rotating frame of the superconducting proton medical equipment, realizes the precision detection of the superconducting proton medical equipment, and provides important parameter basis for improving the performance of the superconducting proton medical equipment.
Description
Technical Field
The invention belongs to the field of superconducting proton medical equipment, relates to a measuring device of superconducting proton medical equipment, and in particular relates to an isocenter precise measuring device of a rotating frame of superconducting proton medical equipment.
Background
Superconducting proton therapy equipment is internationally novel large medical equipment for curing tumors, wherein a rotating Gantry (Gantry) is one of key components of the proton therapy equipment. The rotating frame is used for driving a plurality of magnets and other accelerating devices to rotate around a linear rotation axis, so that the focus is irradiated under different angles, and the mechanism is required to be accurate in functional positioning, reliable in performance, stable and safe in operation. The rotating frame has the characteristics of large structure and high precision, and has the function of reducing the damage to normal cells of the body in the treatment process, and the higher the precision of the isocenter is, the higher the treatment precision is, and the less the damage to the normal cells of the body is. Therefore, the detection of the isocenter of the rotating frame is a necessary means for determining the manufacturing precision of the equipment, has important significance in improving the aspects of manufacturing, processing and the like of the rotating frame, can particularly determine the treatment error of the superconductive proton medical equipment, and has important guiding significance for the use site.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a device for measuring the isocenter of a rotating frame, which is used for measuring the isocenter precision of the rotating frame of proton treatment equipment.
The aim of the invention can be achieved by the following technical scheme:
an isocenter precise measurement device of a rotating frame of superconducting proton medical equipment comprises an imaging object, an X-ray device, an imaging system, a bracket and an imaging digital analysis system; the imaging object is fixed on a rotating frame fixing plate, and one end of the rotating frame fixing plate is connected to the inner wall of the opening of the rotating frame; the X-ray device and the imaging system are provided with two groups, namely a group in a horizontal direction and a group in a vertical direction; the X-ray device and the imaging system are positioned at two sides of an imaging object and are oppositely arranged, and are respectively arranged on the rotating frame fixing plate and the bracket; the X-ray device in the vertical direction and the imaging system are oppositely arranged and respectively arranged on a connecting plate, and one end of the connecting plate is vertically connected to the bracket; the imaging digital analysis system is connected with the imaging system through a wire.
The imaging object comprises a resin frame and an imaging steel ball, wherein the imaging steel ball is arranged on the central line of the resin frame.
The resin frame is arranged on the vertical edge of an L-shaped support plate through a fastening bolt, and the vertical edge is parallel to the rotating frame fixing plate and is provided with a through hole; one end of the horizontal edge of the L-shaped support plate is arranged on the rotating frame fixing plate; one end of the rotating frame fixing plate is connected to the inner wall of the opening of the rotating frame.
The X-ray device consists of an X-ray source and a slit collimator arranged at a ray outlet.
One end of the support is vertically arranged on the adjusting support, and an imaging digital analysis system is also vertically arranged on the adjusting support; the imaging digital analysis system processes data by imaging the imaging subject.
The adjusting support is arranged on the fixed support which is arranged on the treatment bed.
The measuring device comprises the following working steps:
The imaging steel ball rotates along with the rotating frame and is always in the beam range of the slit collimator of the X-ray device;
The rays emitted by the X-ray source irradiate an imaging object on the rotating frame and are imaged on the imaging system;
the imaging system converts the X-ray photons into a digital image, and directly converts the X-ray photons into the digital image through the electronic cassette; the system images the imaging steel ball for a plurality of times in the measuring process, and can always receive imaging information of the imaging small ball;
The imaging system transmits imaging information to an imaging digital analysis system, and converts an imaging steel ball imaging image into a central coordinate value of the imaging image;
the central coordinate values of the imaging images of the imaging steel balls form intermittent annular data rings, and the central point errors of the rotating frame of the superconducting proton medical equipment are obtained by processing the data rings.
The invention has the beneficial effects that: the invention provides a precise measuring device for the isocenter of a rotating frame of superconducting proton medical equipment, which realizes the X-ray measurement of the isocenter of the rotating frame; the device has low ray energy and dense protection; during measurement, only the isocenter of the rotating frame is needed to be roughly found, so that the imaging range of an imaging object is not more than that of an imaging system panel, and measurement of the isocenter error of the rotating frame is simplified; the invention realizes the precise measurement of the isocenter of the rotating frame of the superconducting proton medical equipment, realizes the precision detection of the superconducting proton medical equipment, and provides important parameter basis for improving the performance of the superconducting proton medical equipment; the invention has important significance for the further development of superconducting proton medical equipment.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an isocenter precision measurement device of a rotating frame of a superconducting proton medical equipment;
FIG. 2 is a schematic view of a part of the device for precisely measuring the isocenter of a rotating frame of a superconducting proton medical equipment according to the present invention;
FIG. 3 is a schematic diagram of the location of the isocenter precision measurement device of the rotating gantry of the superconducting proton medical device of the present invention;
wherein, the reference numerals in the drawings: 1. a rotating frame fixing plate; 2. a fastening bolt; 3. x-ray device (exit slotted collimator); 4. a resin frame; 5. an imaging system; 6. a bracket; 7. imaging digital analysis system; 8. adjusting the bracket; 9. imaging steel balls; 10. an X-ray source; 11. a rotating frame; 12. and (5) fixing and supporting.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a superconduction proton medical equipment rotating frame isocenter precision measurement device, as shown in figure 1, comprises an imaging object, an X-ray device 3, an imaging system 5, a bracket 6 and an imaging digital analysis system 7;
As shown in fig. 2, the imaging object comprises a resin frame 4 and an imaging steel ball 9, wherein the imaging steel ball 9 is arranged on the central line of the resin frame 4; the imaging object is fixed on the rotating frame fixing plate 1, specifically: the resin frame 4 is arranged on the vertical edge of an L-shaped support plate through the fastening bolt 2, and the vertical edge is parallel to the rotary rack fixing plate 1 and is provided with a through hole; one end of the horizontal edge of the L-shaped support plate is arranged on the rotating frame fixing plate 1; one end of the rotating frame fixing plate 1 is connected to the inner wall of the opening of the rotating frame 11;
Referring to fig. 1, the X-ray device 3 and the imaging system 5 are provided with two groups, namely a horizontal group and a vertical group, and the X-ray device consists of an X-ray source 10 and a slit collimator arranged at a ray outlet; wherein, the X-ray device and the imaging system in the horizontal direction are positioned at two sides of the imaging object and are oppositely arranged, and are respectively arranged on the rotary frame fixing plate 1 and the bracket 6;
One end of the bracket 6 is vertically arranged on the adjusting bracket 8, and an imaging digital analysis system 7 is also vertically arranged on the adjusting bracket 8; the imaging digital analysis system 7 is connected with the imaging system 5 through a wire, and the imaging digital analysis system 7 images and processes data of the imaging object;
The vertical X-ray device and the imaging system are oppositely arranged and respectively arranged on a connecting plate, one end of the connecting plate is vertically connected to the bracket 6, and the vertical X-ray device is positioned above the imaging system;
as shown in fig. 3, the apparatus mounts the rotating gantry fixing plate 1 on the rotating gantry 11, mounts the adjusting bracket 8 on the fixed support 12, and mounts the fixed support 12 on the treatment couch.
In the invention, the imaging object core is an imaging steel ball 9 which is arranged in the center of a resin frame 4, and the resin frame 4 is fixed on a rotating frame fixing plate through an L-shaped support plate by adopting bolts; the imaging steel ball rotates along with the rotating frame and is always in the beam range of the slit collimator of the X-ray device;
The imaging steel ball rotates along with the rotating frame and is always in the beam range of the slit collimator of the X-ray device;
the rays emitted by the X-ray source 10 irradiate an imaging object on the rotating frame and are imaged on an imaging system;
The imaging system converts X-ray photons into a digital image through a photoelectric coupling device (CCD), one-dimensional line scanning and a flat panel detector; the X-ray imaging system consists of an electronic cassette, an image acquisition workstation, an image post-processing workstation, a system controller, an image monitor and the like, and directly converts X-ray photons into a digital image through the electronic cassette; the system images the imaging steel ball 9 for a plurality of times in the measuring process, and can always receive imaging information of the imaging small ball;
the imaging system 5 transmits imaging information to an imaging digital analysis system, the imaging digital analysis system consists of a digital image transmission system, a digital image analysis workstation, a man-machine interaction interface and the like, and the imaging digital analysis workstation receives, converts and analyzes multiple imaging images of the imaging steel ball, and converts the imaging images of the imaging steel ball 9 into central coordinate values of the imaging images;
the central coordinate values of the imaging images of the imaging steel balls 9 form intermittent annular data rings, and the data rings are processed to obtain the isocenter error of the rotating frame of the superconducting proton medical equipment.
The invention realizes the precise measurement of the isocenter of the rotating frame of the superconducting proton medical equipment, realizes the precision detection of the superconducting proton medical equipment, and provides important parameter basis for improving the performance of the superconducting proton medical equipment. The invention has important significance for the further development of superconducting proton medical equipment.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The device for precisely measuring the isocenter of the rotating frame of the superconducting proton medical equipment is characterized by comprising an imaging object, an X-ray device (3), an imaging system (5), a bracket (6) and an imaging digital analysis system (7);
the imaging object is fixed on a rotating frame fixing plate (1), and one end of the rotating frame fixing plate (1) is connected to the inner wall of an opening of the rotating frame (11);
The X-ray device (3) and the imaging system (5) are provided with two groups, namely a group in the horizontal direction and a group in the vertical direction; the X-ray device and the imaging system are positioned at two sides of an imaging object and are oppositely arranged, and are respectively arranged on the rotating frame fixing plate (1) and the bracket (6); the X-ray device in the vertical direction and the imaging system are oppositely arranged and respectively arranged on a connecting plate, and one end of the connecting plate is vertically connected to the bracket (6);
the imaging digital analysis system (7) is connected with the imaging system (5) through a wire;
the imaging object comprises a resin frame (4) and an imaging steel ball (9), wherein the imaging steel ball (9) is arranged in the central line of the resin frame (4);
The resin frame (4) is arranged on the vertical edge of an L-shaped support plate through a fastening bolt (2), and the vertical edge is parallel to the rotating frame fixing plate (1) and is provided with a through hole; one end of the horizontal edge of the L-shaped support plate is arranged on the rotating frame fixing plate (1); one end of a rotating frame fixing plate (1) is connected to the inner wall of an opening of the rotating frame (11);
one end of the support (6) is vertically arranged on the adjusting support (8), and an imaging digital analysis system (7) is also vertically arranged on the adjusting support (8); the imaging digitization analysis system (7) images and processes data by imaging the imaging object;
The measuring device comprises the following working steps:
The imaging steel ball rotates along with the rotating frame and is always in the beam range of the slit collimator of the X-ray device;
The rays emitted by the X-ray source irradiate an imaging object on the rotating frame and are imaged on the imaging system;
the imaging system converts the X-ray photons into a digital image, and directly converts the X-ray photons into the digital image through the electronic cassette; the system images the imaging steel ball for a plurality of times in the measuring process, and can always receive imaging information of the imaging small ball;
The imaging system transmits imaging information to an imaging digital analysis system, and converts an imaging steel ball imaging image into a central coordinate value of the imaging image;
the central coordinate values of the imaging images of the imaging steel balls form intermittent annular data rings, and the central point errors of the rotating frame of the superconducting proton medical equipment are obtained by processing the data rings.
2. The precise measurement device for the isocenter of the rotating frame of the superconducting proton medical equipment according to claim 1, wherein the X-ray device consists of an X-ray source (10) and a slit collimator arranged at a ray outlet.
3. The precise measurement device for the isocenter of the rotating frame of the superconducting proton medical equipment according to claim 1, wherein the adjusting bracket (8) is arranged on a fixed support (12), and the fixed support (12) is arranged on a treatment bed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367427.5A CN108132030B (en) | 2017-12-18 | 2017-12-18 | Precise measurement device for isocenter of rotating frame of superconducting proton medical equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711367427.5A CN108132030B (en) | 2017-12-18 | 2017-12-18 | Precise measurement device for isocenter of rotating frame of superconducting proton medical equipment |
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| CN108132030A CN108132030A (en) | 2018-06-08 |
| CN108132030B true CN108132030B (en) | 2024-04-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109489597B (en) * | 2018-11-19 | 2020-12-08 | 合肥中科离子医学技术装备有限公司 | Method for measuring isocenter of superconducting proton rotating frame |
| CN112824823A (en) * | 2019-11-20 | 2021-05-21 | 西安大医集团股份有限公司 | Precision measurement system, radiotherapy equipment isocenter precision measurement method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004017832A2 (en) * | 2002-08-21 | 2004-03-04 | Breakaway Imaging, Llc | Gantry positioning apparatus for x-ray imaging |
| CN106267586A (en) * | 2016-08-02 | 2017-01-04 | 合肥中科离子医学技术装备有限公司 | A kind of line in superconduction proton therapeutic appts blocks mechanism |
| CN107137103A (en) * | 2017-06-23 | 2017-09-08 | 合肥中科离子医学技术装备有限公司 | One kind is used for proton medical system CBCT three-dimensional imagings mechanism |
| CN107261343A (en) * | 2017-07-12 | 2017-10-20 | 合肥中科离子医学技术装备有限公司 | The method and device that one kind of proton CT is imaged and treated |
| CN207528196U (en) * | 2017-12-18 | 2018-06-22 | 合肥中科离子医学技术装备有限公司 | A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10500420B2 (en) * | 2013-09-23 | 2019-12-10 | John K. Grady | Small beam area, mid-voltage radiotherapy system with reduced skin dose, reduced scatter around the treatment volume, and improved overall accuracy |
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- 2017-12-18 CN CN201711367427.5A patent/CN108132030B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004017832A2 (en) * | 2002-08-21 | 2004-03-04 | Breakaway Imaging, Llc | Gantry positioning apparatus for x-ray imaging |
| CN106267586A (en) * | 2016-08-02 | 2017-01-04 | 合肥中科离子医学技术装备有限公司 | A kind of line in superconduction proton therapeutic appts blocks mechanism |
| CN107137103A (en) * | 2017-06-23 | 2017-09-08 | 合肥中科离子医学技术装备有限公司 | One kind is used for proton medical system CBCT three-dimensional imagings mechanism |
| CN107261343A (en) * | 2017-07-12 | 2017-10-20 | 合肥中科离子医学技术装备有限公司 | The method and device that one kind of proton CT is imaged and treated |
| CN207528196U (en) * | 2017-12-18 | 2018-06-22 | 合肥中科离子医学技术装备有限公司 | A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 固定束质子治疗病人摆位系统的精确性评估:等中心旋转运动;李新平, 曾宪文, 徐文玲, 李家敏, 吕明明;中国辐射卫生;20050715(第03期) * |
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