CN106178287A - A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer - Google Patents
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer Download PDFInfo
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- CN106178287A CN106178287A CN201610529042.3A CN201610529042A CN106178287A CN 106178287 A CN106178287 A CN 106178287A CN 201610529042 A CN201610529042 A CN 201610529042A CN 106178287 A CN106178287 A CN 106178287A
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- 230000001225 therapeutic effect Effects 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 claims abstract description 22
- 239000001307 helium Substances 0.000 claims abstract description 15
- 229910052734 helium Inorganic materials 0.000 claims abstract description 15
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 5
- 230000032258 transport Effects 0.000 claims description 4
- 206010028980 Neoplasm Diseases 0.000 abstract description 19
- 201000011510 cancer Diseases 0.000 abstract description 13
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004071 biological effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001855 preneoplastic effect Effects 0.000 description 1
- 238000002661 proton therapy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000033912 thigmotaxis Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1077—Beam delivery systems
- A61N5/1081—Rotating beam systems with a specific mechanical construction, e.g. gantries
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/1087—Ions; Protons
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- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention discloses a kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer, including high-temperature superconducting magnet, cryogenic magnet, helium gas storage, therapeutic room's housing, PET/CT housing, counterweight, transit equipment supporting construction, high-temperature superconducting magnet is made up of a pair antisymmetry superconduction two pole ferrum, and cryogenic magnet is made up of one 90 degree of superconduction two pole ferrum；High-temperature superconducting magnet is connected with described cryogenic magnet；Therapeutic room's housing splices mutually with PET/CT housing, integrated PET/CT in PET/CT housing；Spliced therapeutic room housing and PET/CT housing are arranged in counterweight；High-temperature superconducting magnet and cryogenic magnet are arranged on the lateral surface of transit equipment supporting construction.The present invention is in the case of transit weight of equipment alleviates, the precision meeting rotary frame isocenter point reaches design objective requirement, realize the structural optimization of rotary frame, it is integrated with PET/CT equipment, the inspection location that can realize cancer is integrated with treatment, reduced cost, it is simple to the popularization of proton therapeutic instrument.
Description
Technical field
The invention belongs to medical device proton therapeutic instrument field, be specifically related to a kind of be applicable to proton precessional magnetometer high temperature/
Low-temperature superconducting mixing rotary frame.
Background technology
Cancer (malignant tumor) has become the one of the main reasons of countries in the world resident's Died Of Disease, and every country cancer is controlled
The new technique treated continues to bring out.What traditional radiotherapy in treatment of cancer was mainly taked is X-ray, gamma-rays and electronics
Bundle, the distribution of its physical dosage and biological effect injure the normal cell of tumor vicinity the most to varying degrees, and dosage has
Effect utilization rate is the lowest；Though the biological effect of neutron and negative π particle is good, but physical dosage distribution is bad, and normal tissue damaged
Greatly, it not preferable Therapeutic Method.
Proton is the basic fine particle of constituting atom core；Heavy ion is the atomic weight atomic nucleus compared with thick atom, conventional
Such as carbon ion.Proton or carbon ion accelerate to the light velocity of about 70% via synchrotron, are brought out injecting human body.Swollen arriving
Before tumor stove, ray energy release is few, after arriving focus, and the ray meeting big energy of abrupt release, form entitled " Prague
Peak " energy release track, whole therapeutic process can be compared to for tumor " stereotaxis explosion ", it is possible to tumor focus is entered
The strong irradiation of row, avoids the most again irradiating normal structure, it is achieved curative effect maximizes.The advantage of proton therapeutic is to make lonizing radiation
At energy peak alignment tumor focus, by maximum exposure dose at tumor, preneoplastic normal cell is the most only subject to
The peak dose of 1/3～1/2, the normal cell at tumor rear portion is not substantially affected by injury.In proton physical characteristic with regard to energy
Conclude that it is more more advantageous than conventional radiotheraphy method.In recent decades, obtain proton therapeutic more than 100,000 cancer patients, its
Superiority obtains clinical verification widely.
At present the most the proton therapy center of successful operation all have bulky, involve great expense, construction period length and
It is difficult to shortcomings such as popularizing, and the proton therapeutic instrument that uses of these proton therapy centers does not the most possess and positions cancer cell
Function, it is therefore desirable to patient is diagnosed by extra equipment, determines cancer cell position, then utilizes proton therapeutic instrument to enter
Row treatment.The developing direction of following proton therapeutic instrument main flow is miniaturization and integrated, makes the overall dimensions of proton therapeutic instrument subtract
Little, shorten the construction period, reduce cost, and make diagnostic detection integrated with treatment, in order to popularizing of proton therapeutic instrument.
Summary of the invention
It is an object of the invention to provide a kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer,
Disclosure satisfy that when rotary frame transit takes superconducting magnet, rotary frame isocenter point precision meets design requirement；And
Rotary frame section transit takes different types of superconducting magnet according to the difference of installation site, can be quickly and conveniently to superconduction
Magnet cools down；Meanwhile, utilize the integrated PET/CT of rotary frame central space, carry with detection integration apparatus for treatment of cancer
Supply a new thinking.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer, including high-temperature superconducting magnet, low temperature
Superconducting magnet, helium gas storage, therapeutic room's housing, PET/CT housing, counterweight, transit equipment supporting construction, described high temperature
Superconducting magnet is made up of a pair antisymmetry superconduction two pole ferrum, and described cryogenic magnet is made up of one 90 degree of superconduction two pole ferrum；
Described high-temperature superconducting magnet is connected with described cryogenic magnet；Described therapeutic room's housing is spelled mutually with PET/CT housing
Connect, integrated PET/CT in PET/CT housing；Spliced therapeutic room housing and PET/CT housing are arranged in described counterweight；Institute
The medial surface at the transit equipment supporting construction both ends stated is separately mounted on the upside of therapeutic room's housing and counterweight；Described PET/
CT housing is connected with the vertical medial surface of transit equipment supporting construction；Described high-temperature superconducting magnet is pacified with cryogenic magnet
It is contained on the lateral surface of transit equipment supporting construction.
The operating temperature of described high-temperature superconducting magnet is 77K, refrigeration head lower the temperature；Described cryogenic magnet
Operating temperature be 4.2K, cold-producing medium jointly lower the temperature with helium.
Described therapeutic room's housing and PET/CT housing are two roller frames that diameter is different；Described therapeutic room's housing
Internal ring side is provided with treatment head.
The described transit Z-shaped shape of equipment supporting construction, its adjacent inboard face is in degree angle, and its lateral surface is provided with a S
Type groove, installs high-temperature superconducting magnet and cryogenic magnet in this S type groove.
Described cryogenic magnet is connected with line, and line leads in therapeutic room's housing.
Described cryogenic magnet is connected with helium gas storage；Described helium gas storage is arranged on transit equipment and props up
In the upper end trough with straight angle of support structure.
Beneficial effects of the present invention: the present invention mainly realizes proton therapeutic instrument when taking superconducting magnet, transit equipment
In the case of weight saving, the precision meeting rotary frame isocenter point reaches design objective requirement, and defeated at rotary frame
Transport line section takes different superconducting magnets, gives full play to the feature of high-temperature superconducting magnet and cryogenic magnet, it is achieved whirler
The structural optimization of frame, it is simple to carry out magnet cooling and installation；Making full use of of rotary frame central space, is ensureing rotation
On the premise of rack construction rigidity, it is integrated with PET/CT equipment, it is possible to achieve the inspection location of cancer is integrated with treatment, reduction
Cost, it is simple to the popularization of proton therapeutic instrument.
Accompanying drawing explanation
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the right axle side knot of a kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer of the present invention
Structure schematic diagram；
Fig. 2 is the front isometric knot of a kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer of the present invention
Structure schematic diagram；
Fig. 3 is the left axle side knot of a kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer of the present invention
Structure schematic diagram；
Fig. 4 is partial structurtes schematic diagram of the present invention；
Label in figure: 1-high-temperature superconducting magnet, 2-cryogenic magnet, 3-helium gas storage, 4-therapeutic room housing, 5-
PET/CT housing, 6-counterweight, 7-transit equipment supporting construction, 8-line, 9-PET/CT, 10-treat head.
Detailed description of the invention
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer, sees accompanying drawing 1-4, its structure master
Will be by high-temperature superconducting magnet 1, cryogenic magnet 2, helium gas storage 3, therapeutic room's housing 4, PET/CT housing 5, counterweight 6, defeated
Transport line equipment supporting construction 7, line 8, PET/CT 9, treatment 10 composition；
High-temperature superconducting magnet 1 is made up of a pair antisymmetry superconduction two pole ferrum, and cryogenic magnet 2 is by one 90 degree of superconduction two poles
Ferrum is constituted, and high-temperature superconducting magnet 1 is connected with cryogenic magnet 2；Wherein, the operating temperature of high-temperature superconducting magnet 1 is 77K,
Being lowered the temperature by refrigeration head, the operating temperature of cryogenic magnet 2 is 4.2K, cold-producing medium jointly lower the temperature with helium, and low temperature surpasses
Magnetic conductor 2 is connected with helium gas storage 3；
Therapeutic room's housing 4 and PET/CT housing 5 constitute rotary frame therapeutic room part, therapeutic room's housing 4 and PET/CT
Housing 5 is two roller frames that diameter is different, and two cylinders splice mutually, and splicing position is provided with boss；Therapeutic room's housing 4
(roller frame being i.e. relatively large in diameter), as the external structure of therapeutic room, its internal ring side is provided with treatment 10, PET/CT housing 5
(roller frame that i.e. diameter is less) is integrated in PET/CT housing 5 as the space of integrated PET/CT9, PET/CT 9；
Counterweight 6 is the block of a pentagon shaped, and spliced therapeutic room housing 4 and PET/CT housing 5 are arranged on counterweight 6
On；
The Z-shaped shape of transit equipment supporting construction 7, its adjacent inboard face is an angle of 90 degrees, and it is recessed that its lateral surface is provided with a S type
Groove；The medial surface at transit equipment supporting construction 7 both ends is separately mounted on the upside of therapeutic room's housing 4 and counterweight 6, outside PET/CT
Frame 5 is connected with the vertical medial surface of transit equipment supporting construction 7；
High-temperature superconducting magnet 1 and cryogenic magnet 2 are arranged in the S type groove of transit equipment supporting construction 7, helium
Bin 3 is arranged in the upper end trough with straight angle of transit equipment supporting construction 7；Cryogenic magnet 2 is connected with line 8, bundle
Stream 8 leads in therapeutic room's housing 4.
Operation principle of the present invention:
First, being in the high-temperature superconducting magnet 1 in the middle part of rotary frame in rotary frame rotary course, radius of turn is
Greatly, therefore, take high-temperature superconductor that refrigeration machine can be utilized i.e. to can reach operating temperature, so that structure is simpler, and
The attached device daring to lowering the temperature is less, is conducive to increasing installation accuracy.It is in the cryogenic magnet 2 above therapeutic room's housing 4
Operating temperature is relatively low, takes refrigeration head to be difficult to reach, therefore in the case of being convenient for helium memorizer 3 installation, takes low
Temp. superconductive magnet 2 can reach the operating temperature needed, and can reduce cost.
Secondly as select central rack spatial design PET/CT housing 5 so that rotary frame is ensureing the rigidity of structure
While, PET/CT 9 can be internally integrated at PET/CT housing 5, therefore, during treating, first pass through therapeutic bed
Patient delivers to carry out in PET/CT 9 cancer location inspection, location, and after location is terminated, control system is by cancer location parameter
It is transferred to rotary frame and therapeutic bed, by the common location of therapeutic bed with rotary frame, patient is moved to treatment 10 times
Treat.
The present invention mainly realizes proton therapeutic instrument when taking superconducting magnet, in the case of transit weight of equipment alleviates,
Meet the precision of rotary frame isocenter point and reach design objective requirement, and transport line segment at rotary frame and take different super
Magnetic conductor, gives full play to the feature of high-temperature superconducting magnet and cryogenic magnet, it is achieved the structural optimization of rotary frame, it is simple to
Carry out magnet cooling and installation, reduce cost.Making full use of of rotary frame central space, is ensureing that rotary frame structure is firm
On the premise of degree, it is integrated with PET/CT equipment, it is possible to achieve the inspection location of cancer is integrated with treatment, reduced cost, it is simple to
The popularization of proton therapeutic instrument.
Above content is only to present configuration example and explanation, affiliated those skilled in the art couple
Described specific embodiment makes various amendment or supplements or use similar mode to substitute, without departing from invention
Structure or surmount scope defined in the claims, all should belong to protection scope of the present invention.
Claims (6)
1. it is applicable to high temperature/low-temperature superconducting mixing rotary frame of proton precessional magnetometer, including high-temperature superconducting magnet (1), low
Temp. superconductive magnet (2), helium gas storage (3), therapeutic room's housing (4), PET/CT housing (5), counterweight (6), transit equipment prop up
Support structure (7), it is characterised in that:
Described high-temperature superconducting magnet (1) is made up of a pair antisymmetry superconduction two pole ferrum, and described cryogenic magnet (2) is by one
90 degree of superconduction two pole ferrum are constituted；Described high-temperature superconducting magnet (1) is connected with described cryogenic magnet (2)；
Described therapeutic room's housing (4) splices mutually with PET/CT housing (5), integrated PET/CT (9) in PET/CT housing (5)；Spell
Therapeutic room's housing (4) after connecing and PET/CT housing (5) are arranged in described counterweight (6)；
The medial surface at described transit equipment supporting construction (7) both ends is separately mounted to therapeutic room's housing (4) and counterweight (6)
Upside；Described PET/CT housing (5) is connected with the vertical medial surface of transit equipment supporting construction (7)；
Described high-temperature superconducting magnet (1) and cryogenic magnet (2) are arranged on the lateral surface of transit equipment supporting construction (7)
On.
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer the most according to claim 1, it is special
Levy and be: the operating temperature of described high-temperature superconducting magnet (1) is 77K, refrigeration head lower the temperature；Described low-temperature superconducting magnetic
The operating temperature of body (2) is 4.2K, cold-producing medium jointly lower the temperature with helium.
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer the most according to claim 1, it is special
Levy and be: described therapeutic room's housing (4) and PET/CT housing (5) are two roller frames that diameter is different；Described treatment
Outdoor frame (4) internal ring side is provided with treatment head (10).
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer the most according to claim 1, it is special
Levy and be: described transit equipment supporting construction (7) Z-shaped shape, its adjacent inboard face is an angle of 90 degrees, and its lateral surface is provided with
One S type groove, installs high-temperature superconducting magnet (1) and cryogenic magnet (2) in this S type groove.
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer the most according to claim 1, it is special
Levying and be: described cryogenic magnet (2) is connected with line (8), line (8) leads in therapeutic room's housing (4).
A kind of high temperature/low-temperature superconducting mixing rotary frame being applicable to proton precessional magnetometer the most according to claim 1, it is special
Levy and be: described cryogenic magnet (2) is connected with helium gas storage (3)；Described helium gas storage (3) is arranged on and transports
In the upper end trough with straight angle of line equipment supporting construction (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529042.3A CN106178287B (en) | 2016-07-06 | 2016-07-06 | A kind of high temperature/low-temperature superconducting mixing rotary frame suitable for proton precessional magnetometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529042.3A CN106178287B (en) | 2016-07-06 | 2016-07-06 | A kind of high temperature/low-temperature superconducting mixing rotary frame suitable for proton precessional magnetometer |
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| Publication Number | Publication Date |
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| CN106178287A true CN106178287A (en) | 2016-12-07 |
| CN106178287B CN106178287B (en) | 2017-12-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686307A (en) * | 2017-03-30 | 2018-10-23 | 瓦里安医疗系统粒子疗法有限责任公司 | Machine frame system for beam of particles therapy |
| CN109224319A (en) * | 2018-08-07 | 2019-01-18 | 中国原子能科学研究院 | Full superconduction Proton therapy system |
| CN109681578A (en) * | 2018-12-29 | 2019-04-26 | 佛山瑞加图医疗科技有限公司 | Balance weight assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6027077A (en) * | 1998-07-27 | 2000-02-22 | Eller; Howard S. | Spacecraft with all-cryogenic electronics |
| KR20120060927A (en) * | 2010-09-16 | 2012-06-12 | 박순애 | Positron Emission tomograph and shooting method |
| CN102687230A (en) * | 2009-11-02 | 2012-09-19 | 普罗丘尔治疗中心有限公司 | Compact isocentric gantry |
| CN103258615A (en) * | 2013-04-17 | 2013-08-21 | 中国科学院等离子体物理研究所 | Forced flow cooling low-temperature section directly overlapped with high-temperature superconductor stack |
| CN105469926A (en) * | 2015-12-30 | 2016-04-06 | 中国科学院等离子体物理研究所 | High temperature superconducting bending magnet structure appropriate for superconducting rotary rack technology |
-
2016
- 2016-07-06 CN CN201610529042.3A patent/CN106178287B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6027077A (en) * | 1998-07-27 | 2000-02-22 | Eller; Howard S. | Spacecraft with all-cryogenic electronics |
| CN102687230A (en) * | 2009-11-02 | 2012-09-19 | 普罗丘尔治疗中心有限公司 | Compact isocentric gantry |
| KR20120060927A (en) * | 2010-09-16 | 2012-06-12 | 박순애 | Positron Emission tomograph and shooting method |
| CN103258615A (en) * | 2013-04-17 | 2013-08-21 | 中国科学院等离子体物理研究所 | Forced flow cooling low-temperature section directly overlapped with high-temperature superconductor stack |
| CN105469926A (en) * | 2015-12-30 | 2016-04-06 | 中国科学院等离子体物理研究所 | High temperature superconducting bending magnet structure appropriate for superconducting rotary rack technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686307A (en) * | 2017-03-30 | 2018-10-23 | 瓦里安医疗系统粒子疗法有限责任公司 | Machine frame system for beam of particles therapy |
| CN108686307B (en) * | 2017-03-30 | 2022-02-25 | 瓦里安医疗系统粒子治疗有限公司 | Gantry system for particle beam therapy |
| CN109224319A (en) * | 2018-08-07 | 2019-01-18 | 中国原子能科学研究院 | Full superconduction Proton therapy system |
| CN109224319B (en) * | 2018-08-07 | 2020-06-23 | 中国原子能科学研究院 | Full superconducting proton treatment system |
| CN109681578A (en) * | 2018-12-29 | 2019-04-26 | 佛山瑞加图医疗科技有限公司 | Balance weight assembly |
Also Published As
| Publication number | Publication date |
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| CN106178287B (en) | 2017-12-29 |
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