CN108132030A - A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus - Google Patents
A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus Download PDFInfo
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- CN108132030A CN108132030A CN201711367427.5A CN201711367427A CN108132030A CN 108132030 A CN108132030 A CN 108132030A CN 201711367427 A CN201711367427 A CN 201711367427A CN 108132030 A CN108132030 A CN 108132030A
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- imaging
- rotary frame
- medical devices
- isocenter point
- superconduction proton
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- 238000005259 measurement Methods 0.000 title claims abstract description 24
- 238000003384 imaging method Methods 0.000 claims abstract description 100
- 238000010252 digital analysis Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000001225 therapeutic effect Effects 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000002661 proton therapy Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 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
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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention discloses a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus, including imaging object, X-ray apparatus, imaging system, stent, imaging digital analysis system；The imaging object is fixed in rotary frame fixed plate, and rotary frame fixed plate one end is connected on rotary frame opening inner wall；The X-ray apparatus and imaging system are equipped with two groups, respectively one group of horizontal direction, vertically to one group；Wherein, horizontal direction X-ray apparatus and imaging system are located at imaging object both sides and are oppositely arranged, and are separately mounted to rotary frame fixed plate, on stent；The imaging digital analysis system is connect by conducting wire with the imaging system.The invention realizes the accurate measurement of superconduction proton Medical Devices rotary frame isocenter point, realizes the accuracy detection of superconduction proton Medical Devices, to improve the performance of superconduction proton Medical Devices, provides important parameter foundation.
Description
Technical field
The invention belongs to superconduction proton field of medical device, are related to a kind of superconduction proton Medical Devices measuring device, specifically
It is a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus.
Background technology
Superconduction proton therapy equipment is the large medical equipment of novel healing tumour in the world, wherein, rotary frame
(Gantry) it is one of proton therapy equipment critical component.Rotary frame function is that polylith magnet and other accelerator parts is driven to enclose
Coiling axis of rotation rotates, and realizes the irradiation to lesion under different angle, it is desirable that body function accurate positioning, dependable performance, fortune
Row is steady and safe.Its rotary frame has the characteristics that structure is big, with high accuracy, and effect is in order to over the course for the treatment of, is reduced pair
The injury of body normal cell, the precision of isocenter point is higher, and treatment precision is higher, and the injury of body normal cell is got over
It is few.Therefore, the detection of rotary frame isocenter point is to determine the necessary means of device fabrication precision, for improving rotary frame system
Make, process etc. has great importance, and the treatment error of superconduction proton Medical Devices can be especially specified, for using
Scene has important directive significance.
Invention content
The defects of in order to make up prior art, the present invention provide the device that a kind of rotary frame isocenter point measures, with full
The measurement of sufficient proton therapy equipment rotary frame isocenter point precision.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus, including imaging object, X ray dress
It puts, imaging system, stent, imaging digital analysis system；The imaging object is fixed in rotary frame fixed plate, rotary frame
Fixed plate one end is connected on rotary frame opening inner wall；The X-ray apparatus is equipped with two groups with imaging system, respectively horizontal
To one group, vertically to one group；Wherein, horizontal direction X-ray apparatus is located at imaging object both sides with imaging system and is oppositely arranged, and
It is separately mounted to rotary frame fixed plate, on stent；Vertical X-ray apparatus is oppositely arranged with imaging system and installs respectively
On a connecting plate, above-mentioned connecting plate one end is vertically connected on stent；The imaging digital analysis system by conducting wire with
The imaging system connection.
The imaging object includes resinous framework, imaging steel ball, and imaging steel ball is built on resinous framework center line.
The resinous framework is mounted on by fastening bolt on the vertical edge of a L-type support plate, the vertical edge and rotary frame
Fixed plate is parallel and is provided with through-hole；Horizontal sides one end of L-type support plate is mounted in rotary frame fixed plate；Rotary frame is fixed
Plate one end is connected on rotary frame opening inner wall.
The X-ray apparatus is made of x-ray source, the slit collimator for being placed in radiation exit.
Described stent one end is vertically mounted in adjusting bracket, also vertically to being equipped with imaging digital point in adjusting bracket
Analysis system；The imaging digital analysis system is by being imaged the imaging object and handling data.
The adjusting bracket is mounted in fixed support, and fixed support is installed in therapeutic bed.
The measuring device work step is：
Imaging steel ball is rotated with rotary frame, always in X-ray apparatus slit collimator beam range；
The imaging object on radiation exposure rotary frame that x-ray source is sent out, is imaged in imaging system；
X-ray photon is converted to digitized image by imaging system, is directly converted to x-ray photon by electronic cassette
Digitized image；The system is repeatedly imaged imaging steel ball in measurement process, and can receive imaging bead eventually always
Image-forming information；
Image-forming information is transferred to imaging digital analysis system by imaging system, and imaging steel ball image is converted into
As the centre coordinate value of image；
The centre coordinate value of multiple imaging steel ball images forms interrupted ring-band shape data ring, at the data ring
It manages and goes out superconduction proton Medical Devices rotary frame center point tolerance to obtain the final product.
Beneficial effects of the present invention：A kind of superconduction proton Medical Devices rotary frame isocenter point provided by the invention is accurate
Measuring device realizes the X-ray measurement of rotary frame isocenter point；The device ray energy is little, and protection is careful；It measures
When, it only need to find rotary frame isocenter point accurately roughly, imaging object areas imaging is made to be no more than imaging system panel, is simplified
The measurement of rotary frame isocenter point error；The invention realizes the precision of superconduction proton Medical Devices rotary frame isocenter point
It measures, realizes the accuracy detection of superconduction proton Medical Devices, to improve the performance of superconduction proton Medical Devices, provide important ginseng
Number foundation；Further development of the present invention for superconduction proton Medical Devices, has great importance.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 illustrates for superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus overall structure of the present invention
Figure；
Fig. 2 is superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus partial schematic diagram of the present invention；
Fig. 3 illustrates for superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus present position of the present invention
Figure；
Wherein, attached figure label：1st, rotary frame fixed plate；2nd, fastening bolt；3rd, (outlet band slit is accurate for X-ray apparatus
Straight device)；4th, resinous framework；5th, imaging system；6th, stent；7th, imaging digital analysis system；8th, adjusting bracket；9th, it is imaged steel
Ball；10th, x-ray source；11st, rotary frame；12nd, fixed support.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
All other embodiment that logical technical staff is obtained without creative efforts belongs to what the present invention protected
Range.
A kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus, as shown in Figure 1, including imaging
Object, X-ray apparatus 3, imaging system 5, stent 6, imaging digital analysis system 7；
As shown in Fig. 2, imaging object includes resinous framework 4, imaging steel ball 9, imaging steel ball 9 is built in 4 center of resinous framework
On line；Imaging object is fixed in rotary frame fixed plate 1, specially：Resinous framework 4 is mounted on a L-type branch by fastening bolt 2
On the vertical edge of plate, the vertical edge is parallel with rotary frame fixed plate 1 and is provided with through-hole；Horizontal sides one end peace of L-type support plate
In rotary frame fixed plate 1；1 one end of rotary frame fixed plate is connected to rotary frame 11 and is open on inner wall；
Referring to Fig. 1, X-ray apparatus 3 and imaging system 5 are equipped with two groups, respectively one group of horizontal direction, vertically to one group, institute
X-ray apparatus is stated to be made of x-ray source 10, the slit collimator for being placed in radiation exit；Wherein, horizontal direction X-ray apparatus with
Imaging system is located at imaging and object both sides and is oppositely arranged, and is separately mounted to rotary frame fixed plate 1, on stent 6；
6 one end of stent is vertically mounted in adjusting bracket 8, also vertically to being equipped with imaging digital point in adjusting bracket 8
Analysis system 7；The imaging digital analysis system 7 is connect by conducting wire with the imaging system 5, the imaging digital analysis
System 7 is by being imaged the imaging object and handling data；
Vertical X-ray apparatus is oppositely arranged and is separately mounted on a connecting plate with imaging system, above-mentioned connecting plate
One end vertical connection on the frame 6, wherein, vertical X-ray apparatus is located above imaging system；
As shown in figure 3, rotary frame fixed plate 1 is mounted on rotary frame 11 by the device, adjusting bracket 8 is mounted on
In fixed support 12, fixed support 12 is installed in therapeutic bed.
In the present invention, imaging object core is imaging steel ball 9, is built in 4 center of resinous framework, resinous framework 4 passes through L-type
Support plate is simultaneously fixed by bolts in rotary frame fixed plate；Imaging steel ball is rotated with rotary frame, always in X-ray apparatus
In slit collimator beam range；
Imaging steel ball is rotated with rotary frame, always in X-ray apparatus slit collimator beam range；
The imaging object on radiation exposure rotary frame that x-ray source 10 is sent out, is imaged in imaging system；
Imaging system is by the way that photoelectric coupled device (CCD), one dimensional line scan, flat panel detector is converted to x-ray photon
Digitized image；X-ray imaging system is by electronic cassette, image acquisition workstation, post processing of image work station, system controller
And the part such as video monitor forms, and x-ray photon directly is converted to digitized image by electronic cassette；The system exists
To more than 9 imaging of imaging steel ball in measurement process, and the image-forming information of imaging bead can be received eventually always；
Image-forming information is transferred to imaging digital analysis system by imaging system 5, and imaging digital analysis system is by number
Change the compositions such as image delivering system, Digital image anaiysis work station, human-computer interaction interface, worked by Digital image anaiysis
Stand reception, conversion, analysis imaging steel ball multiple image, will imaging 9 image of steel ball be converted in image
Heart coordinate value；
The centre coordinate value of multiple imaging 9 images of steel ball forms interrupted ring-band shape data ring, to the data ring
It handles and goes out superconduction proton Medical Devices rotary frame isocenter point error to obtain the final product.
The invention realizes the accurate measurement of superconduction proton Medical Devices rotary frame isocenter point, realizes superconduction proton doctor
The accuracy detection of equipment is treated, to improve the performance of superconduction proton Medical Devices, provides important parameter foundation.The present invention is for super
The further development of proton Medical Devices is led, is had great importance.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application, so as to which skilled artisan be enable to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus, which is characterized in that including imaging object,
X-ray apparatus (3), imaging system (5), stent (6), imaging digital analysis system (7)；
The imaging object is fixed in rotary frame fixed plate (1), and rotary frame fixed plate (1) one end is connected to rotary frame
(11) it is open on inner wall；
The X-ray apparatus (3) and imaging system (5) equipped with two groups, respectively one group of horizontal direction, vertically to one group；Wherein, water
Put down to X-ray apparatus and imaging system be located at imaging object both sides and be oppositely arranged, and be separately mounted to rotary frame fixed plate
(1), on stent (6)；Vertical X-ray apparatus is oppositely arranged and is separately mounted on a connecting plate with imaging system, above-mentioned
Connecting plate one end is vertically connected on stent (6)；
The imaging digital analysis system (7) is connect by conducting wire with the imaging system (5).
2. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 1,
It is characterized in that, the imaging object includes resinous framework (4), imaging steel ball (9), and imaging steel ball (9) is built in resinous framework (4)
On heart line.
3. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 2,
It is characterized in that, the resinous framework (4) is by fastening bolt (2) on the vertical edge of a L-type support plate, and the vertical edge is with revolving
Favourable turn frame fixed plate (1) is parallel and is provided with through-hole；Horizontal sides one end of L-type support plate is mounted in rotary frame fixed plate (1)；
Rotary frame fixed plate (1) one end is connected on rotary frame (11) opening inner wall.
4. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 1,
It is characterized in that, the X-ray apparatus is made of x-ray source (10), the slit collimator for being placed in radiation exit.
5. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 1,
It is characterized in that, described stent (6) one end is vertically mounted in adjusting bracket (8), also vertically to being equipped with into adjusting bracket (8)
As digital assay system (7)；The imaging digital analysis system (7) is by being imaged the imaging object and handling data.
6. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 5,
It is characterized in that, on fixed support (12), fixed support (12) is installed in therapeutic bed the adjusting bracket (8).
7. a kind of superconduction proton Medical Devices rotary frame isocenter point precision measurement apparatus according to claim 1,
It is characterized in that, which is：
Imaging steel ball is rotated with rotary frame, always in X-ray apparatus slit collimator beam range；
The imaging object on radiation exposure rotary frame that x-ray source is sent out, is imaged in imaging system；
X-ray photon is converted to digitized image by imaging system, and x-ray photon directly is converted to number by electronic cassette
Change image；The system is repeatedly imaged imaging steel ball in measurement process, and can receive the imaging of imaging bead eventually always
Information；
Image-forming information is transferred to imaging digital analysis system by imaging system, and imaging steel ball image is converted to image
The centre coordinate value of picture；
The centre coordinate value of multiple imaging steel ball images forms interrupted ring-band shape data ring, is to data ring processing
Obtain superconduction proton Medical Devices rotary frame center point tolerance.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN108132030A true CN108132030A (en) | 2018-06-08 |
| CN108132030B CN108132030B (en) | 2024-04-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489597A (en) * | 2018-11-19 | 2019-03-19 | 合肥中科离子医学技术装备有限公司 | A kind of superconduction proton rotary frame isocenter point measurement method |
| 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 |
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| CN108132030B (en) | 2024-04-30 |
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