CN102949192B - Radiodiagnosis system - Google Patents
Radiodiagnosis system Download PDFInfo
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- CN102949192B CN102949192B CN201110240556.4A CN201110240556A CN102949192B CN 102949192 B CN102949192 B CN 102949192B CN 201110240556 A CN201110240556 A CN 201110240556A CN 102949192 B CN102949192 B CN 102949192B
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- 238000012636 positron electron tomography Methods 0.000 claims description 99
- 238000003384 imaging method Methods 0.000 claims description 9
- 238000002591 computed tomography Methods 0.000 claims description 3
- 238000001959 radiotherapy Methods 0.000 abstract description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 7
- 230000002285 radioactive effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003325 tomography Methods 0.000 description 3
- 210000001835 viscera Anatomy 0.000 description 3
- 238000012879 PET imaging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000012831 peritoneal equilibrium test Methods 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 238000012877 positron emission topography Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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- Nuclear Medicine (AREA)
Abstract
The invention provides a radiodiagnosis system and belongs to the field of radiotherapy. The radiodiagnosis system comprises a base, a linear guide rail, a plurality of sliders, at least two groups of radiodiagnosis devices, a rod source device and an electromechanical control device, wherein the linear guide rail and the sliders are arranged on the base and are matched with one another, the sliders are slidably fixed on the linear guide rail, the radiodiagnosis devices are fixed on the sliders, the rod source device is fixed on the sliders, and the electromechanical control device is used for controlling the radiodiagnosis devices and the rod source device to move. The radiodiagnosis system in the embodiment can improve curing efficiency of radiodiagnosis.
Description
Technical field
The present invention relates to field of radiation therapy, refer to a kind of Radiodiagnosis system especially.
Background technology
In prior art, radiodiagnosis has become a kind of important medical procedure.Conventional radiodiagnosis instrument comprises positron emission tomography (Positron emission computed tomography, PET) instrument, NMR (Nuclear Magnetic Resonance)-imaging (Magnetic Resonance Imaging, MRI) instrument and CT (electronic computer X-ray tomography technique, CT) instrument etc.
Wherein, PET instrument is that the special radionuclide launching positron for detection blocks up in vivo and do not have radiation and the instrument carrying out tomography, is inside and outside by a kind of internal organs or internal organs based on developer radioactive concentration difference between internal organs and pathological changes and pathological changes imaging modality.During diagnosis, the isotopically labeled tracer drug of positron radiation is injected in human body, the electronics of the positron that nuclide emission goes out in human body is combined, the gamma-rays burying in oblivion generation passes human body, measure with PET in vitro, what instrument record passed human body meets transmitted intensity, by the distribution situation of positron in these rays known road human body and scanning imagery.
In prior art when carrying out position emissron tomography, employing mostly be 32 ring PET.But adopt 32 ring PET to scan a position and need more than 9 minutes, the words scanning a whole body six positions just need about one hour, and so just cause the detection time of patient long, therapeutic efficiency is lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Radiodiagnosis system, can improve the therapeutic efficiency of radiodiagnosis.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of Radiodiagnosis system is provided, comprises:
One base;
The line slideway be arranged on described base, cooperatively interacting and multiple slide block, described multiple slide block is fixed on described line slideway slidably;
Be fixed at least two group radiodiagnosis devices on slide block;
Be fixed on the rod source apparatus on slide block;
For the electromechanical controlling device of the motion of at least two group radiodiagnosis devices described in handling and described excellent source apparatus.
Further, described at least two group radiodiagnosis devices are:
Two groups or three groups of Positron emission computed tomography PET device; Or
One group of PET device and one group of CT CT device; Or
One group of PET device and one group of NMR imaging equipment.
Further, each group PET device comprises:
Be fixed on the gantry base on slide block;
Be fixed on the PET frame in described gantry base, described PET frame be fixed with pet detector, collimator and be positioned at three excellent source shields outside PET bucket;
Be positioned at the front shield on front side of described PET frame;
Be positioned at the rear shield on rear side of described PET frame.
Further, described excellent source apparatus comprises:
One rod source frame;
Be fixed on three excellent sources in the frame of described excellent source;
Be fixed on the first power plant module in the frame of described excellent source, for driving described excellent source to rotate;
Be fixed on the second power plant module in the frame of described excellent source, for driving described excellent source to move radially;
Be fixed in the frame of described excellent source, for driving the 3rd power plant module of described excellent source frame movement on described line slideway.
Further, described first power plant module comprises:
The driven gear be fixedly connected with described excellent source;
The driven wheel be meshed with described driven gear;
For when described excellent source apparatus is in running order, drives described driven wheel thus drive described excellent source bucket in described PET device to carry out the first CD-ROM drive motor rotated.
Further, described second power plant module comprises:
For when described excellent source apparatus is in masked state, described excellent source is driven to move radially to the excellent source mover module with described excellent source shield position one to one.
Further, described 3rd power plant module comprises:
The leading screw be connected with described excellent source frame;
For when described excellent source apparatus is in masked state, driven the second CD-ROM drive motor of described excellent source apparatus movement on described line slideway by described leading screw.
Further, the width of described gantry base is 290mm.
Further, when described at least two group radiodiagnosis devices are three groups of PET device, the length in described excellent source is 1000mm.
Embodiments of the invention have following beneficial effect:
In such scheme, Radiodiagnosis system includes at least two group radiodiagnosis devices, like this when carrying out radiodiagnosis treatment, once can obtain the imaging of multiple different parts simultaneously, improve the scanning speed to whole body, improve the therapeutic efficiency of radiodiagnosis, and the radioactive dosage to patient can be reduced, reduce the cost of radiodiagnosis.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Radiodiagnosis system of the embodiment of the present invention;
Fig. 2 is the structural representation comprising the Radiodiagnosis system of 96 ring PET of the embodiment of the present invention;
Fig. 3 be the PET frame of the embodiment of the present invention face structural representation and side-looking structural representation;
Fig. 4 is the stravismus structural representation of the PET frame of the embodiment of the present invention;
Fig. 5 is the structural representation of the gantry base of the embodiment of the present invention;
Fig. 6 is the schematic diagram after the PET frame of the embodiment of the present invention and gantry base assembling
Fig. 7 is the structural representation of the excellent source apparatus of the embodiment of the present invention;
Fig. 8 is another structural representation of the excellent source apparatus of the embodiment of the present invention;
Fig. 9 is the motion structure schematic diagram comprising the Radiodiagnosis system of 96 ring PET of the embodiment of the present invention.
Detailed description of the invention
For embodiments of the invention will be solved technical problem, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention in prior art when carrying out radiodiagnosis, long to the detection time of patient, the problem that therapeutic efficiency is lower, provides a kind of Radiodiagnosis system, can improve the therapeutic efficiency of radiodiagnosis.
Fig. 1 is the structural representation of the Radiodiagnosis system of the embodiment of the present invention, and as shown in Figure 1, the present embodiment comprises:
One base 10;
The line slideway 11 be arranged on base 10, cooperatively interacting and multiple slide block 12, multiple slide block 12 is fixed on line slideway 11 slidably;
Be fixed at least two group radiodiagnosis devices 13 on slide block 12;
Be fixed on the rod source apparatus 14 on slide block 12;
For handling the electromechanical controlling device 15 of the motion of at least two group radiodiagnosis devices 13 and excellent source apparatus 14.
The Radiodiagnosis system of the embodiment of the present invention, Radiodiagnosis system includes at least two group radiodiagnosis devices, like this when carrying out radiodiagnosis treatment, once can obtain the imaging of multiple different parts simultaneously, improve the scanning speed to whole body, improve the therapeutic efficiency of radiodiagnosis, and the radioactive dosage to patient can be reduced, reduce the cost of radiodiagnosis.
In technical scheme of the present invention, base is provided with line slideway and multiple slide block, radiodiagnosis device is fixed on slide block and can realizes the rectilinear movement of radiodiagnosis device on base, so both can maintain easily radiodiagnosis device, according to treatment needs, base can also increase other one or more armarium.In the embodiment of the present invention, at least two group radiodiagnosis devices can be: two groups or three groups of PET device; Or one group of PET device and one group of CT device; Or one group of PET device and one group of NMR imaging equipment.Because often organize the detector that PET device comprises 32 rings, therefore the combination of two groups of PET device can be called 64 ring PET, and the combination of three groups of PET device can be called 96 ring PET.
Below for 96 ring PET, Radiodiagnosis system of the present invention is described in detail.Fig. 2 is the structural representation of the Radiodiagnosis system comprising 96 ring PET, and as shown in Figure 2, this Radiodiagnosis system comprises PET device 21,22 and 23.For PET device 21, PET device comprises: be fixed on the gantry base on slide block; Be fixed on and PET frame 24, the PET frame 24 in gantry base be fixed with pet detector, collimator and be arranged in three the excellent source shields 25 (figure only shows one of them excellent source shield) outside PET bucket; Be positioned at the front shield 26 on front side of PET frame 24; Be positioned at the rear shield 27 on rear side of PET frame 24.In the present embodiment, the rear shield of last group of PET device can as shield before rear one group of PET device, and therefore, in the Radiodiagnosis system of the present embodiment, one has shield after a front shield and three.PET device in the present embodiment and excellent source apparatus all can, under the control of electromechanical controlling device, utilize slide block to move on line slideway.
In the embodiment of the present invention, in working order with under masked state, excellent source shield is fixed in PET frame, and when maintaining, excellent source shield can shift out with excellent source.
Fig. 3 be PET frame face structural representation and side-looking structural representation, Fig. 4 is the stravismus structural representation of PET frame, Fig. 5 is the structural representation of gantry base, Fig. 6 is the schematic diagram after PET frame and gantry base are assembled, in the present embodiment, the width of PET frame can be 90mm, and the width of gantry base can be 290mm, and the overall width shared by each PET device is 294.5mm.In embodiments of the present invention, can be that 96 ring PET arrange a shell, three groups of PET device be included, excellent source apparatus be positioned at outside shell.
Fig. 7 is the structural representation of excellent source apparatus, rod source apparatus sweeps function for realizing T, excellent source in rod source apparatus is about by diameter that the pipe of about 10mm and radioactive source wherein form, and when excellent source apparatus is in running order, excellent source bucket in PET carries out rotation sweep; When excellent source apparatus is in off working state, need to shield excellent source.Because the radiodiagnosis device in the present embodiment is 96 ring PET, the length in excellent source is about about 1000mm.
As shown in Figure 7, the excellent source apparatus of the embodiment of the present invention comprises: a rod source frame 71; Be fixed on three excellent sources 76 in excellent source frame 71; Be fixed on the first power plant module rotated in excellent source frame 71, for driving rod source 76; Be fixed on the second power plant module moved radially in excellent source frame 71, for driving rod source 76; To be fixed in excellent source frame 71, for the 3rd power plant module of driving rod source frame 71 movement on line slideway.
Wherein, the first power plant module comprises: the driven gear 74 be fixedly connected with excellent source 76; The driven wheel 73 be meshed with driven gear 74; And for driving the first CD-ROM drive motor 72 of driven wheel 73.When excellent source apparatus is in running order, the first CD-ROM drive motor 72 drives driven wheel 73 and then drives excellent source 76 bucket in PET device to carry out rotation sweep, and the carbon brush that is rotated through in three excellent sources 76 is connected with the first power plant module.
Further, second power plant module comprises excellent source mover module 75, rod source mover module 75 corresponds to excellent source 76 and arranges, in the embodiment of the present invention, one has three excellent sources 76, then accordingly, be also provided with three excellent source mover modules 75, each excellent source mover module can drive corresponding excellent source 76 to move radially.When excellent source apparatus is in masked state, excellent source mover module 75 drives excellent source 76 along the direction of arrow 77, move radially to shield position one to one, excellent source.When excellent source apparatus is in running order, excellent source mover module 75 drives excellent source 76 along the direction contrary with arrow 77, moves radially to operating position.
Fig. 8 is another structural representation of excellent source apparatus, and as shown in Figure 8, the 3rd power plant module comprises: the leading screw 81 be connected with excellent source frame 71; For the second CD-ROM drive motor (sign) driving leading screw 81 to drive the movement on line slideway of excellent source apparatus.When excellent source apparatus is in masked state, the second CD-ROM drive motor can drive excellent source apparatus to move on line slideway along the direction of arrow 82 or the direction contrary with arrow 82 by leading screw 81.
Be 96 ring PET for radiodiagnosis device below, the workflow of Radiodiagnosis system of the present invention is described in detail.
When Radiodiagnosis system is in running order, as shown in Figure 2, PET device and excellent source apparatus cannot move, and are all in the lock state.Now, electromechanical controlling device controls the first CD-ROM drive motor 72 and works, and drives the excellent source 76 of excellent source apparatus bucket in 96 ring PET to carry out rotation sweep.
After Radiodiagnosis system end-of-job, need to shield excellent source 76.At this moment, as shown in Figure 9, PET device and excellent source apparatus unlock state, all can move on line slideway.First electromechanical controlling device controls the second CD-ROM drive motor work, drives excellent source apparatus to move on line slideway along the direction of arrow 91 by leading screw 81, excellent source apparatus is moved to the distance from 96 ring PET at least 1000mm; Electromechanical controlling device again control rod source mover module 75 drives excellent source 76 to move radially along the direction of arrow 77, makes excellent source 76 move to the shield position one to one, excellent source with 96 ring PET; Afterwards, electromechanical controlling device controls the second CD-ROM drive motor work, drives excellent source apparatus to move on line slideway along the direction contrary with arrow 91 by leading screw 81, makes excellent source 76 enter the corresponding capable shielding of excellent source shield respectively.In the present embodiment, each PET device is provided with three excellent source shields, 96 ring PET have three groups of rod source shields, the excellent source shield often organized is in the same position of respective PET device, when shielding excellent source, three excellent source shields that each excellent source enters in every group simultaneously shield.
If Radiodiagnosis system needs to start working, similar with above-mentioned step, first electromechanical controlling device controls the second CD-ROM drive motor work, excellent source apparatus is driven to move on line slideway along the direction of arrow 91 by leading screw 81, excellent source apparatus is moved to the distance from 96 ring PET at least 1000mm, make excellent source 76 exit corresponding excellent source shield respectively; Electromechanical controlling device again control rod source mover module 75 drives excellent source 76 to move radially along the direction contrary with arrow 77, makes excellent source 76 move to operating position; Then, electromechanical controlling device controls the second CD-ROM drive motor work, drives excellent source apparatus to move on line slideway along the direction contrary with arrow 91 by leading screw 81, and make excellent source apparatus move to position as shown in Figure 2, now, excellent source 76 is positioned at the bucket of PET.Afterwards, PET device and excellent source apparatus cannot move, and are all in the lock state.Electromechanical controlling device controls the first CD-ROM drive motor 72 and works, and drive the excellent source 76 of excellent source apparatus bucket in 96 ring PET to carry out rotation sweep, Radiodiagnosis system is started working.
96 ring PET of the embodiment of the present invention include three PET device, therefore adopt Radiodiagnosis system of the present invention to scan a systemic and generally only need two berths, substantially increase body scan speed, save sweep time, improve therapeutic efficiency; The radioactive dosage to patient can also be reduced, save check cost.And for 96 ring PET, rod source length is about 1000mm, if excellent source shield is arranged on bucket in PET, in PET, bucket shields excellent source, can reduce the work space of PET, and in the present embodiment, excellent source shield to be arranged in PET outside bucket, select to shield excellent source in outside, expanded the work space of PET.
Radiodiagnosis system of the present invention is not restricted to use 96 ring PET, in actual applications, can according to the needs for the treatment of, 96 ring PET are replaced with 64 ring PET, CT-PET radiodiagnosis devices or nuclear-magnetism-PET radiodiagnosis device, only need the radiodiagnosis device of correspondence to be fixed on base or from base to remove, easy to operate.If 96 ring PET are replaced with 64 ring PET, only need wherein one group of PET device to remove from base, once can realize scanning whole body four positions; If 96 ring PET are replaced with CT-PET radiodiagnosis device, only need wherein two groups of PET device to remove from base, and a CT device is fixed on base, once can realize CT imaging and PET imaging; If 96 ring PET to be replaced with nuclear-magnetism-PET radiodiagnosis device, only need wherein two groups of PET device to remove from base, and a NMR imaging equipment is fixed on base, once can realize NMR (Nuclear Magnetic Resonance)-imaging and PET imaging.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a Radiodiagnosis system, is characterized in that, comprising:
One base;
The multiple slide blocks being arranged on the line slideway on described base, cooperatively interacting with described line slideway, described multiple slide block is fixed on described line slideway slidably;
Be fixed at least two group radiodiagnosis devices on slide block;
Be fixed on the rod source apparatus on slide block;
For the electromechanical controlling device of the motion of at least two group radiodiagnosis devices described in handling and described excellent source apparatus.
2. Radiodiagnosis system according to claim 1, is characterized in that, described at least two group radiodiagnosis devices are:
Two groups or three groups of Positron emission computed tomography PET device; Or
One group of PET device and one group of CT CT device; Or
One group of PET device and one group of NMR imaging equipment.
3. Radiodiagnosis system according to claim 2, is characterized in that, each group PET device comprises:
Be fixed on the gantry base on slide block;
Be fixed on the PET frame in described gantry base, described PET frame be fixed with pet detector, collimator and be positioned at three excellent source shields outside PET bucket;
Be positioned at the front shield on front side of described PET frame;
Be positioned at the rear shield on rear side of described PET frame.
4. Radiodiagnosis system according to claim 3, is characterized in that, described excellent source apparatus comprises:
One rod source frame;
Be fixed on three excellent sources in the frame of described excellent source;
Be fixed on the first power plant module in the frame of described excellent source, for driving described excellent source to rotate;
Be fixed on the second power plant module in the frame of described excellent source, for driving described excellent source to move radially;
Be fixed in the frame of described excellent source, for driving the 3rd power plant module of described excellent source frame movement on described line slideway.
5. Radiodiagnosis system according to claim 4, is characterized in that, described first power plant module comprises:
The driven gear be fixedly connected with described excellent source;
The driven wheel be meshed with described driven gear;
For when described excellent source apparatus is in running order, drives described driven wheel thus drive described excellent source bucket in described PET device to carry out the first CD-ROM drive motor rotated.
6. Radiodiagnosis system according to claim 4, is characterized in that, described second power plant module comprises:
For when described excellent source apparatus is in masked state, described excellent source is driven to move radially to the excellent source mover module with described excellent source shield position one to one.
7. Radiodiagnosis system according to claim 4, is characterized in that, described 3rd power plant module comprises:
The leading screw be connected with described excellent source frame;
For when described excellent source apparatus is in masked state, driven the second CD-ROM drive motor of described excellent source apparatus movement on described line slideway by described leading screw.
8. Radiodiagnosis system according to claim 3, is characterized in that, the width of described gantry base is 290mm.
9. the Radiodiagnosis system according to claim 3 or 4, is characterized in that, when described at least two group radiodiagnosis devices are three groups of PET device, the length in described excellent source is 1000mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110240556.4A CN102949192B (en) | 2011-08-19 | 2011-08-19 | Radiodiagnosis system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110240556.4A CN102949192B (en) | 2011-08-19 | 2011-08-19 | Radiodiagnosis system |
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| CN102949192A CN102949192A (en) | 2013-03-06 |
| CN102949192B true CN102949192B (en) | 2015-07-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104825185B (en) * | 2015-05-22 | 2017-10-24 | 武汉数字派特科技有限公司 | A kind of PET image bars source device and PET device |
| WO2018059577A1 (en) | 2016-09-30 | 2018-04-05 | Shenzhen United Imaging Healthcare Co., Ltd. | Method and system for calibrating an imaging system |
| CN116211332A (en) * | 2017-05-04 | 2023-06-06 | 上海联影医疗科技股份有限公司 | PET data acquisition method, PET image reconstruction method and PET system |
| CN107456240B (en) * | 2017-08-07 | 2020-10-16 | 刘庆旭 | Intelligent CT scanner |
| CN110811658B (en) * | 2019-09-18 | 2023-07-04 | 沈阳智核医疗科技有限公司 | PET system correction method and device, terminal equipment and PET system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5095501A (en) * | 1989-12-06 | 1992-03-10 | Kabushiki Kaisha Toshiba | X-ray image-pickup apparatus |
| CN1076349A (en) * | 1992-02-28 | 1993-09-22 | 株式会社岛津制作所 | X line photographic attachment |
| CN202235413U (en) * | 2011-08-19 | 2012-05-30 | 北京大基康明医疗设备有限公司 | Radiodiagnosis system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5317757B2 (en) * | 2009-02-26 | 2013-10-16 | 富士フイルム株式会社 | Radiography equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5095501A (en) * | 1989-12-06 | 1992-03-10 | Kabushiki Kaisha Toshiba | X-ray image-pickup apparatus |
| CN1076349A (en) * | 1992-02-28 | 1993-09-22 | 株式会社岛津制作所 | X line photographic attachment |
| CN202235413U (en) * | 2011-08-19 | 2012-05-30 | 北京大基康明医疗设备有限公司 | Radiodiagnosis system |
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