CN111781549B - Vertical type magnetic resonance imaging device capable of moving up and down - Google Patents
Vertical type magnetic resonance imaging device capable of moving up and down Download PDFInfo
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- CN111781549B CN111781549B CN202010573487.8A CN202010573487A CN111781549B CN 111781549 B CN111781549 B CN 111781549B CN 202010573487 A CN202010573487 A CN 202010573487A CN 111781549 B CN111781549 B CN 111781549B
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- main magnet
- magnetic resonance
- gradient coil
- coil component
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
Abstract
The invention discloses a vertical magnetic resonance imaging device capable of moving up and down, which relates to the field of magnetic resonance imaging and is characterized by comprising a main magnet component, a gradient coil component, an excitation coil component and a receiving coil component; the main magnet component is a vertical cylinder, the gradient coil component is arranged on one side close to the center of the main magnet component, the exciting coil component and the receiving coil component are arranged on one side close to the center of the main magnet component, and the main magnet component, the gradient coil component, the exciting coil component and the receiving coil component can move up and down along the axial direction of the main magnet component. In the invention, the patient does not need to contact with the device, thereby avoiding cross infection among the patients and simplifying the cleaning and maintenance of the device; the device has light weight, small occupied space and good mobility; the invention can be applied to the rapid screening of diseases.
Description
Technical Field
The invention relates to the field of magnetic resonance imaging, in particular to a vertical type magnetic resonance imaging device capable of moving up and down.
Background
Magnetic resonance imaging (mri) imaging is widely used in clinical medicine diagnosis and treatment. The cylindrical magnetic resonance imaging device commonly used in clinic adopts horizontal scanning. The device comprises a cylindrical main magnet component, a cylindrical gradient coil component, a cylindrical exciting coil component, a receiving coil component, a bedstead, an electronic system, a computer and the like. The bed frame is horizontally arranged for the patient to form an image in the lying posture. The axial directions of the cylindrical main magnet member, the cylindrical gradient coil member, and the cylindrical excitation coil member are horizontal. The transmission mechanism sends the patient lying on the bed frame into the scanning zone, namely the middle position of the device, to scan. Since patients directly contact the bed frame, which is one of the possible ways to infect epidemic diseases, it is highly desirable to develop a magnetic resonance imaging apparatus that can avoid cross infection between patients, and is simple, easy to clean and maintain.
Accordingly, those skilled in the art have been devoted to developing a vertically movable magnetic resonance imaging apparatus. The device does scanning imaging under the upright posture of the patient, removes the use of a bed frame, not only can reduce the cost of the magnetic resonance imaging device, but also can reduce the occupied area of the magnetic resonance imaging device. The hospital does not need to be specially configured with an operating room, so that the magnetic resonance imaging device can directly enter an outpatient service, the application range of the magnetic resonance imaging device is expanded, and the cost of matched facilities is reduced.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to perform scanning imaging in the upright posture of the patient, and to avoid the use of a bed frame.
In order to achieve the above object, the present invention provides a vertical type up and down movable magnetic resonance imaging apparatus, comprising a main magnet part, a gradient coil part, an exciting coil part and a receiving coil part; the main magnet component is a vertical cylinder, the gradient coil component is arranged on one side close to the center of the main magnet component, the exciting coil component and the receiving coil component are arranged on one side close to the center of the main magnet component, and the main magnet component, the gradient coil component, the exciting coil component and the receiving coil component can move up and down along the axial direction of the main magnet component.
Further, the gradient coil unit is in a vertical cylindrical shape.
Further, the exciting coil part and the receiving coil part are two independent parts separated from each other.
Further, the exciting coil part and the receiving coil part are the same coil part for time-division for excitation and signal reception, respectively.
Further, an imaging region is located in a central portion of the main magnet member.
Further, an imaging region is in a central portion of the gradient coil assembly.
Further, the magnetic resonance imaging apparatus is in a suspended form.
Further, the main magnet component adopts a superconducting magnet or a normal temperature electromagnetic solenoid.
Further, the gradient coil assembly includes an X-gradient coil, a Y-gradient coil, and a Z-gradient coil.
Further, the magnetic resonance imaging apparatus is configured to be movable up and down relative to the patient in a standing position.
Compared with the prior art, the invention has the following beneficial effects:
1. the patients adopt standing or sitting postures during scanning, the preparation before scanning and the leaving process after scanning of the patients are simplified, and the time of each patient for occupying the device is shortened.
2. The patient does not need to contact with the device, so that cross infection among the patients is avoided, and the cleaning and maintenance of the device are simplified.
3. The equipment has light weight, small occupied space and good mobility.
4. The invention can be suitable for rapid screening of chest and abdomen diseases.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a side sectional view of a preferred embodiment of the present invention;
FIG. 2 is a schematic top view of a cross-sectional structure of a preferred embodiment of the present invention.
Wherein:
1-a main magnet component, 2-a gradient coil component, 3-an excitation coil component, 4-a reception coil component, 5-a patient head,
6-the body of the patient, 7-up and down, 8-horizontal.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example one
As shown in fig. 1 and 2, the present invention provides a vertical type up and down movable magnetic resonance imaging apparatus, which is characterized by comprising a main magnet part 1, a gradient coil part 2, an exciting coil part 3 and a receiving coil part 4; the main magnet part 1 is a vertical cylinder, the gradient coil part 2 is disposed near the center of the main magnet part 1, the exciting coil part 3 and the receiving coil part 4 are disposed near the center of the main magnet part 1, and the main magnet part 1, the gradient coil part 2, the exciting coil part 3 and the receiving coil part 4 are disposed so as to be movable up and down along the axis of the main magnet part. The gradient coil component 2 is a vertical cylindrical shape. The exciting coil part 3 and the receiving coil part 4 are two independent parts separated from each other. The main magnet part 1 adopts a normal temperature electromagnetic solenoid. The gradient coil assembly 2 includes an X-gradient coil, a Y-gradient coil, and a Z-gradient coil.
The imaging region of the apparatus is usually located at the central portion of the main magnet section 1, and also usually at the central portion of the gradient coil section 2. In order to allow the patient to access the imaging area of the device, the device is in the form of a suspension. When the patient enters the underside of the imaging area from below the device and stands, the device is moved downward until the patient's examined area reaches the imaging area of the device. The device then remains stationary and a scan is performed. After the scan is complete, the device is moved upward, returning to its original position, and the patient is removed from the imaging area from the underside of the device.
The up and down movement of the device of this embodiment is relative to the movement with the ground. The essence of the invention is that the device and the patient in a standing position move up and down relatively.
Example two
As shown in fig. 1 and 2, the present invention provides a vertical type up and down movable magnetic resonance imaging apparatus, which is characterized by comprising a main magnet part 1, a gradient coil part 2, an exciting coil part 3 and a receiving coil part 4; the main magnet part 1 is a vertical cylinder, the gradient coil part 2 is disposed near the center of the main magnet part 1, the exciting coil part 3 and the receiving coil part 4 are disposed near the center of the main magnet part 1, and the main magnet part 1, the gradient coil part 2, the exciting coil part 3 and the receiving coil part 4 are disposed so as to be movable up and down along the axial direction of the main magnet part 2. The gradient coil component 1 is a vertical cylindrical shape. The exciting coil part 3 and the receiving coil part 4 are the same coil part for time-division excitation and signal reception, respectively. The main magnet part 1 adopts a normal temperature electromagnetic solenoid. The gradient coil assembly 2 includes an X-gradient coil, a Y-gradient coil, and a Z-gradient coil.
The imaging region of the apparatus is usually located at the central portion of the main magnet section 1, and also usually at the central portion of the gradient coil section 2. In order to allow the patient to access the imaging area of the device, the device is in the form of a suspension. When the patient enters the lower side of the imaging area from the lower part of the device and stands, the standing platform of the patient rises until the examined part of the patient reaches the imaging area of the device. The device then performs a scan. After the scan is completed, the patient's standing platform is lowered and the patient walks away from the imaging area from the underside of the device.
The device of the embodiment is fixed relative to the ground, and the standing platform of the patient can move up and down in the device to move the examined part of the patient to the imaging area in the center of the device.
In the invention, the patient does not need to contact with the device, thereby avoiding cross infection among the patients and simplifying the cleaning and maintenance of the device;
in the invention, the equipment has lighter weight, small occupied space and better mobility; the invention can be applied to the rapid screening of diseases. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. A vertical up-down movable magnetic resonance imaging device is characterized by comprising a main magnet component, a gradient coil component, an excitation coil component and a receiving coil component; the main magnet component is in a vertical cylindrical shape, the gradient coil component is arranged on one side close to the center of the main magnet component, the exciting coil component and the receiving coil component are arranged on one side close to the center of the main magnet component, the gradient coil component, the exciting coil component and the receiving coil component can move up and down along the axial direction of the main magnet component, and the gradient coil component is in a vertical cylindrical shape; the exciting coil part and the receiving coil part are two independent parts separated from each other, or the same coil part is used for exciting and receiving signals in a time-sharing sequence; the gradient coil assembly includes an X-gradient coil, a Y-gradient coil, and a Z-gradient coil; an imaging region located in a central portion of the main magnet assembly and in a central portion of the gradient coil assembly; the magnetic resonance imaging device adopts a suspension form;
the magnetic resonance imaging device is arranged to move up and down relative to the patient in a standing position, and when the magnetic resonance imaging device moves up, the patient can enter or leave the imaging area; when the magnetic resonance imaging device moves downwards, the examined part of the patient can be reached.
2. The upright vertically movable magnetic resonance imaging apparatus as claimed in claim 1, wherein the main magnet component employs a superconducting magnet or a normal temperature electromagnetic solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010573487.8A CN111781549B (en) | 2020-06-22 | 2020-06-22 | Vertical type magnetic resonance imaging device capable of moving up and down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010573487.8A CN111781549B (en) | 2020-06-22 | 2020-06-22 | Vertical type magnetic resonance imaging device capable of moving up and down |
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| Publication Number | Publication Date |
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| CN111781549A CN111781549A (en) | 2020-10-16 |
| CN111781549B true CN111781549B (en) | 2022-04-26 |
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| CN113180635A (en) * | 2021-04-28 | 2021-07-30 | 中国科学院精密测量科学与技术创新研究院 | Head magnetic resonance imaging device and method for full-posture human body |
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