CN101869479B - Movable low-field nuclear magnetic resonance imaging system - Google Patents
Movable low-field nuclear magnetic resonance imaging system Download PDFInfo
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- CN101869479B CN101869479B CN2010102001316A CN201010200131A CN101869479B CN 101869479 B CN101869479 B CN 101869479B CN 2010102001316 A CN2010102001316 A CN 2010102001316A CN 201010200131 A CN201010200131 A CN 201010200131A CN 101869479 B CN101869479 B CN 101869479B
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- 238000013421 nuclear magnetic resonance imaging Methods 0.000 title claims abstract description 21
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002560 therapeutic procedure Methods 0.000 abstract description 3
- 206010040007 Sense of oppression Diseases 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a movable low-field nuclear magnetic resonance imaging system which comprises a movable spectrometer, a magnet, a computer, a radio frequency amplifier, a gradient power amplifier and a coil, as well as a movable magnet frame, wherein the magnet is a rotatable low-field magnet arranged on the movable magnet frame, and a shield is embedded in the low-field magnet. The movable low-field nuclear magnetic resonance imaging system combines the low-field magnet with the movable magnet frame, has small equipment volume and light weight and can carry out fast and timely medical examination in emergencies, rescue scenes, playgrounds, countrysides and other special occasions without being limited by time and place; the low-field magnet can realize omni-directional rotation on the magnet frame, adjust the height of a magnetic field according to needs, carry out accurate examination and diagnosis on a patient in any posture and body position and further reduce the motion of the patient; the adoption of the low magnetic permanent magnet has low maintenance cost and low cost and reduce the production cost; and the movable low-field nuclear magnetic resonance imaging system has good openness, can not cause the oppression to the patient, is applicable to local examination or interventional therapy of the head, the limbs and the like, and is particularly applicable to thorough examination of infants.
Description
Technical field
The present invention relates to a kind of medical instruments field, specifically belong to a kind of movable low-field nuclear magnetic resonance imaging system.
Background technology
Existing large-scale medical magnetic resonance imaging device involves great expense, the patient is had constriction; Can not check diagnosis or the like to the people who is seated, stands; More crucial is that traditional design all need be placed in magnet apparatus on the fixed vibration-proof foundation, and need set up independently shielding house.Therefore, can't move to the scene,, feel simply helpless needing the situation of site inspection, quick check.
Summary of the invention
The present invention seeks to: a kind of movable low-field nuclear magnetic resonance imaging system is provided; This system structure is simple; Easy to operate, practical, be a kind ofly can be used in really that emergency treatment, rescue are on-the-spot, the NMR-imaging equipment of quick, the on-the-spot medical examination in sports ground and the open-air retinue.
Technical scheme of the present invention is: a kind of movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil; Also comprise portable magnet frame; Said magnet is the rotatable low field magnet that is loaded on the portable magnet frame, and said spectrometer is portable spectrometer, is embedded with shield in the said low field magnet.
The further technical scheme of the present invention is: a kind of movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil; Also comprise portable magnet frame; Said magnet is the rotatable low field magnet that is loaded on the portable magnet frame, and said spectrometer is portable spectrometer, is embedded with shield in the said low field magnet; Four wheels is equipped with in said portable magnet frame bottom; An erecting bed is equipped with at the top; Said erecting bed is 360 ° of rotations around its center in the plane that is parallel to portable magnet frame upper surface, and two bracing frames are equipped with in said erecting bed rear and front end, and support frame as described above rotates in the front/rear end of erecting bed; Low field magnet is housed on the support frame as described above, said low field magnet its with plane that bracing frame contacts in rotate.
The more detailed technical scheme of the present invention is: a kind of movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil; Also comprise portable magnet frame; Said magnet is the rotatable low field magnet that is loaded on the portable magnet frame, and said spectrometer is portable spectrometer, is embedded with shield in the said low field magnet; Four wheels is equipped with in said portable magnet frame bottom; An erecting bed is equipped with at the top; Said erecting bed is 360 ° of rotations around its center in the plane that is parallel to portable magnet frame upper surface, and two bracing frames are equipped with in said erecting bed rear and front end, and support frame as described above rotates in the front/rear end of erecting bed; Low field magnet is housed on the support frame as described above, said low field magnet its with plane that bracing frame contacts in rotate; The center vertical fixing of said erecting bed bottom is equipped with an erecting bed rotating shaft; Said erecting bed rotating shaft lower end vertically is loaded in the portable magnet frame; Said erecting bed rotating shaft and portable magnet frame are rotatably assorted, and said erecting bed is through erecting bed rotating shaft 360 ° of rotations of central shaft around the erecting bed rotating shaft in the plane that is parallel to portable magnet frame upper surface; An erecting bed rotating shaft vertically is equipped with in the center of said erecting bed bottom; Said erecting bed rotating shaft and erecting bed are rotatably assorted; Said erecting bed rotating shaft lower end vertical fixing is loaded in the portable magnet frame, and said erecting bed is through erecting bed rotating shaft 360 ° of rotations of central shaft around the erecting bed rotating shaft in the plane that is parallel to portable magnet frame upper surface; Said erecting bed inner horizontal is equipped with the bracing frame rotating shaft that runs through its front/rear end; Support frame as described above rotating shaft and erecting bed are rotatably assorted; The two ends of support frame as described above rotating shaft are fixedly connected with the rear end of two bracing frames, and support frame as described above rotates in the front/rear end of erecting bed through the bracing frame rotating shaft; Said erecting bed inner horizontal fixedly is equipped with the bracing frame rotating shaft that runs through its front/rear end; The two ends of support frame as described above rotating shaft are connected with the rear end of two bracing frames; Support frame as described above rotating shaft and bracing frame are rotatably assorted, and support frame as described above rotates in the front/rear end of erecting bed through the bracing frame rotating shaft; On said two bracing frames a magnet rotating shaft is housed respectively, an end of said magnet rotating shaft is fixedly connected with bracing frame, and the other end and low field magnet are rotationally connected, said low field magnet through the magnet rotating shaft its with plane that bracing frame contacts in rotate; On said two bracing frames a magnet rotating shaft is housed respectively, an end and the bracing frame of said magnet rotating shaft are rotationally connected, and the other end is fixedly connected with low field magnet, said low field magnet through the magnet rotating shaft its with plane that bracing frame contacts in rotate; Said low field magnet is the U type permanent magnet that field intensity is less than or equal to 0.2T, and symmetry is embedded with shield in the both sides magnet wall of said low field magnet; Said portable spectrometer drives mobile down in portable magnet frame, through storage battery power supply or directly connect alternating current.
Advantage of the present invention is:
1. the present invention adopts low field magnet to combine the packaged type magnet frame, and equipment volume is little, and is in light weight, can carry out fast medical examination timely at special occasions such as emergency treatment, rescue scene, sports ground and fields, does not receive the restriction of when and where;
2. low field magnet can comprehensive rotation on magnet frame among the present invention, and can adjust the height in magnetic field as required, all can check diagnosis accurately and reduce patient's motion the patient of any posture, position;
3. the present invention adopts low magnetic permanent magnet to produce magnetostatic field, and maintenance cost is low, and cost is low, has reduced production cost;
4. opening of the present invention is good, can not cause constriction to the patient, is applicable to toposcopy or interventional therapys such as head and extremity, is specially adapted to the general physical checkup of infant.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of portable magnet frame among the present invention and magnet;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the vertical view of Fig. 1.
Wherein: 1 is portable magnet frame; 2 are low field magnet; 3 is shield; 4 is wheel; 5 is erecting bed; 6 is bracing frame; 7 is the erecting bed rotating shaft; 8 is the magnet rotating shaft.
The specific embodiment
Embodiment one: a kind of movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil, also comprise portable magnet frame 1, extremely shown in Figure 4 like Fig. 1; Said magnet is the rotatable low field magnet 2 that is loaded on the portable magnet frame 1; Said spectrometer is portable spectrometer, and said low field magnet 2 is less than or equal to the U type permanent magnet of 0.2T for field intensity, and symmetry is embedded with shield 3 in the both sides magnet wall of said low field magnet 2.Said portable spectrometer drives mobile down in portable magnet frame 1, through storage battery power supply or directly connect alternating current.
Four wheels 4 is equipped with in said portable magnet frame 1 bottom; An erecting bed 5 is equipped with at the top; Said erecting bed 5 is 360 ° of rotations around its center in the plane that is parallel to portable magnet frame 1 upper surface, and two bracing frames 6 are equipped with in said erecting bed 5 rear and front ends, and support frame as described above 6 rotates in the front/rear end of erecting bed 5; Low field magnet 2 is housed on the support frame as described above 6, said low field magnet 2 its with plane that bracing frame 6 contacts in rotate.
The center vertical fixing of said erecting bed 5 bottoms is equipped with an erecting bed rotating shaft 7; Said erecting bed rotating shaft 7 lower ends vertically are loaded in the portable magnet frame 1; Said erecting bed rotating shaft 7 is rotatably assorted with portable magnet frame 1, and said erecting bed 5 is through erecting bed rotating shaft 7 360 ° of rotations of central shaft around erecting bed rotating shaft 7 in the plane that is parallel to portable magnet frame 1 upper surface.
Said erecting bed 5 inner horizontal are equipped with the bracing frame rotating shaft that runs through its front/rear end; Support frame as described above rotating shaft and erecting bed 5 are rotatably assorted; The two ends of support frame as described above rotating shaft are fixedly connected with the rear end of two bracing frames 6, and support frame as described above 6 rotates in the front/rear end of erecting bed 5 through the bracing frame rotating shaft.
On said two bracing frames 6 a magnet rotating shaft 8 is housed respectively, an end and the bracing frame 6 of said magnet rotating shaft 8 are rotationally connected, and the other end is fixedly connected with low field magnet 2, said low field magnet 2 through magnet rotating shaft 8 its with plane that bracing frame 6 contacts in rotate.
Embodiment two: a kind of movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil, also comprise portable magnet frame 1, extremely shown in Figure 4 like Fig. 1; Said magnet is the rotatable low field magnet 2 that is loaded on the portable magnet frame 1; Said spectrometer is portable spectrometer, and said low field magnet 2 is less than or equal to the U type permanent magnet of 0.2T for field intensity, and symmetry is embedded with shield 3 in the both sides magnet wall of said low field magnet 2.Said portable spectrometer drives mobile down in portable magnet frame 1, through storage battery power supply or directly connect alternating current.
Four wheels 4 is equipped with in said portable magnet frame 1 bottom; An erecting bed 5 is equipped with at the top; Said erecting bed 5 is 360 ° of rotations around its center in the plane that is parallel to portable magnet frame 1 upper surface, and two bracing frames 6 are equipped with in said erecting bed 5 rear and front ends, and support frame as described above 6 rotates in the front/rear end of erecting bed 5; Low field magnet 2 is housed on the support frame as described above 6, said low field magnet 2 its with plane that bracing frame 6 contacts in rotate.
An erecting bed rotating shaft 7 vertically is equipped with in the center of said erecting bed 5 bottoms; Said erecting bed rotating shaft 7 is rotatably assorted with erecting bed 5; Said erecting bed rotating shaft 7 lower end vertical fixing are loaded in the portable magnet frame 1, and said erecting bed 5 is through erecting bed rotating shaft 7 360 ° of rotations of central shaft around erecting bed rotating shaft 7 in the plane that is parallel to portable magnet frame 1 upper surface.
Said erecting bed 5 inner horizontal fixedly are equipped with the bracing frame rotating shaft that runs through its front/rear end; The two ends of support frame as described above rotating shaft are connected with the rear end of two bracing frames 6; Support frame as described above rotating shaft and bracing frame 6 are rotatably assorted, and support frame as described above 6 rotates in the front/rear end of erecting bed 5 through the bracing frame rotating shaft.
On said two bracing frames 6 a magnet rotating shaft 8 is housed respectively, an end of said magnet rotating shaft 8 is fixedly connected with bracing frame 6, and the other end and low field magnet 2 are rotationally connected, said low field magnet 2 through magnet rotating shaft 8 its with plane that bracing frame 6 contacts in rotate.
The low field magnet 2 of said portable spectrometer control, computer, RF power amplification, gradient power amplifier, preamplifier and coil etc. are provided with and scanning imagery according to the various needs of user.
The present invention adopts low field magnet to combine the packaged type magnet frame, and equipment volume is little, and is in light weight, can carry out fast medical examination timely at special occasions such as emergency treatment, rescue scene, sports ground and fields, does not receive the restriction of when and where; Low field magnet can comprehensive rotation on magnet frame among the present invention, and can adjust the height in magnetic field as required, all can check diagnosis accurately and reduce patient's motion the patient of any posture, position; The present invention adopts low magnetic permanent magnet to produce magnetostatic field, and maintenance cost is low, and cost is low, has reduced production cost; Opening of the present invention is good, can not cause constriction to the patient, is applicable to toposcopy or interventional therapys such as head and extremity, is specially adapted to the general physical checkup of infant.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.Except that the foregoing description, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (9)
1. movable low-field nuclear magnetic resonance imaging system; Comprise spectrometer, magnet, computer, RF power amplification, gradient power amplifier and coil; It is characterized in that: also comprise portable magnet frame (1), said magnet is for to be loaded on the rotatable low field magnet (2) on the portable magnet frame (1), and said spectrometer is portable spectrometer; Be embedded with shield (3) in the said low field magnet (2); Four wheels (4) is equipped with in said portable magnet frame (1) bottom, and an erecting bed (5) is equipped with at the top, and said erecting bed (5) is 360 ° of rotations around its center in the plane that is parallel to portable magnet frame (1) upper surface; Two bracing frames (6) are equipped with in said erecting bed (5) rear and front end; Support frame as described above (6) rotates in the front/rear end of erecting bed (5), and low field magnet (2) is housed on the support frame as described above (6), said low field magnet (2) its with plane that bracing frame (6) contacts in rotate.
2. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: the center vertical fixing of said erecting bed (5) bottom is equipped with an erecting bed rotating shaft (7); Said erecting bed rotating shaft (7) lower end vertically is loaded in the portable magnet frame (1); Said erecting bed rotating shaft (7) is rotatably assorted with portable magnet frame (1), and said erecting bed (5) is through erecting bed rotating shaft (7) 360 ° of rotations of central shaft around erecting bed rotating shaft (7) in the plane that is parallel to portable magnet frame (1) upper surface.
3. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: an erecting bed rotating shaft (7) vertically is equipped with in the center of said erecting bed (5) bottom; Said erecting bed rotating shaft (7) is rotatably assorted with erecting bed (5); Said erecting bed rotating shaft (7) lower end vertical fixing is loaded in the portable magnet frame (1), and said erecting bed (5) is through erecting bed rotating shaft (7) 360 ° of rotations of central shaft around erecting bed rotating shaft (7) in the plane that is parallel to portable magnet frame (1) upper surface.
4. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: said erecting bed (5) inner horizontal is equipped with the bracing frame rotating shaft that runs through its front/rear end; Support frame as described above rotating shaft and erecting bed (5) are rotatably assorted; The two ends of support frame as described above rotating shaft are fixedly connected with the rear end of two bracing frames (6), and support frame as described above (6) rotates in the front/rear end of erecting bed (5) through the bracing frame rotating shaft.
5. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: said erecting bed (5) inner horizontal fixedly is equipped with the bracing frame rotating shaft that runs through its front/rear end; The two ends of support frame as described above rotating shaft are connected with the rear end of two bracing frames (6); Support frame as described above rotating shaft and bracing frame (6) are rotatably assorted, and support frame as described above (6) rotates in the front/rear end of erecting bed (5) through the bracing frame rotating shaft.
6. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: a magnet rotating shaft (8) respectively is housed on said two bracing frames (6); One end of said magnet rotating shaft (8) is fixedly connected with bracing frame (6); The other end and low field magnet (2) are rotationally connected, said low field magnet (2) through magnet rotating shaft (8) its with plane that bracing frame (6) contacts in rotation.
7. movable low-field nuclear magnetic resonance imaging system according to claim 1; It is characterized in that: a magnet rotating shaft (8) respectively is housed on said two bracing frames (6); One end of said magnet rotating shaft (8) and bracing frame (6) are rotationally connected; The other end is fixedly connected with low field magnet (2), said low field magnet (2) through magnet rotating shaft (8) its with plane that bracing frame (6) contacts in rotation.
8. movable low-field nuclear magnetic resonance imaging system according to claim 1 is characterized in that: said low field magnet (2) is less than or equal to the U type permanent magnet of 0.2T for field intensity, and symmetry is embedded with shield (3) in the both sides magnet wall of said low field magnet (2).
9. movable low-field nuclear magnetic resonance imaging system according to claim 1 is characterized in that: said portable spectrometer drives mobile down in portable magnet frame (1), through storage battery power supply or directly connect alternating current.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102001316A CN101869479B (en) | 2010-06-13 | 2010-06-13 | Movable low-field nuclear magnetic resonance imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102001316A CN101869479B (en) | 2010-06-13 | 2010-06-13 | Movable low-field nuclear magnetic resonance imaging system |
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| CN101869479A CN101869479A (en) | 2010-10-27 |
| CN101869479B true CN101869479B (en) | 2012-04-18 |
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| CN2010102001316A Active CN101869479B (en) | 2010-06-13 | 2010-06-13 | Movable low-field nuclear magnetic resonance imaging system |
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Families Citing this family (12)
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| CN102608145B (en) * | 2012-03-14 | 2015-02-04 | 中国石油大学(北京) | Nuclear magnetic resonance analyzer and slide table thereof |
| CN103674992B (en) * | 2012-09-03 | 2016-08-10 | 中国水利水电科学研究院 | A tree ring detection and analysis system |
| CN103411991B (en) * | 2013-08-19 | 2016-04-20 | 上海纽迈电子科技有限公司 | Portable low-field nuclear magnetic resonance frying oil analyser |
| CN104116509A (en) * | 2014-08-06 | 2014-10-29 | 香港力磁科技有限公司 | Nuclear Magnetic Resonance Imaging System and Imaging Method for Infants |
| CA3043061A1 (en) | 2014-09-05 | 2016-03-10 | Hyperfine Research, Inc. | Low field magnetic resonance imaging methods and apparatus |
| CN104407315B (en) * | 2014-12-08 | 2017-05-17 | 东南大学 | Portable low-field nuclear magnetic resonance integrated device |
| CN106707208B (en) * | 2016-12-15 | 2019-04-30 | 重庆大学 | A low-field unilateral MRI device for superficial skin imaging |
| CN107088068A (en) * | 2017-06-30 | 2017-08-25 | 王照阁 | A kind of novel magnetic resonance imaging device |
| CN109893134A (en) * | 2019-01-31 | 2019-06-18 | 佛山瑞加图医疗科技有限公司 | Portable mobile magnetic resonance system |
| CN109846483B (en) * | 2019-01-31 | 2025-03-18 | 佛山瑞加图医疗科技有限公司 | A separate portable mobile magnetic resonance system |
| CN110037701B (en) * | 2019-05-21 | 2024-09-13 | 佛山瑞加图医疗科技有限公司 | Mobile nuclear magnetic resonance examination device and mobile nuclear magnetic resonance examination system |
| CN110051354B (en) * | 2019-05-21 | 2024-07-16 | 佛山瑞加图医疗科技有限公司 | Mobile nuclear magnetic resonance inspection shielding cabin |
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| CN1229627A (en) * | 1998-01-28 | 1999-09-29 | 通用电器横河医药系统株式会社 | MRI system and movable table |
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