CN112611993A - Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system - Google Patents

Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system Download PDF

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Publication number
CN112611993A
CN112611993A CN202011466035.6A CN202011466035A CN112611993A CN 112611993 A CN112611993 A CN 112611993A CN 202011466035 A CN202011466035 A CN 202011466035A CN 112611993 A CN112611993 A CN 112611993A
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CN
China
Prior art keywords
magnetic resonance
radio frequency
controller
receiving coil
frequency receiving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011466035.6A
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Chinese (zh)
Inventor
王毅
赖清泉
吴宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Affiliated Hospital Of Fujian Medical University
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Second Affiliated Hospital Of Fujian Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Second Affiliated Hospital Of Fujian Medical University filed Critical Second Affiliated Hospital Of Fujian Medical University
Priority to CN202011466035.6A priority Critical patent/CN112611993A/en
Publication of CN112611993A publication Critical patent/CN112611993A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3664Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation

Abstract

The invention discloses a mammary gland magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system, and relates to the technical field of nuclear magnetic resonance. The invention comprises a supporting bed, a radio frequency receiving coil and a positioning moving device; the upper surface of the support bed is provided with two parallel rectangular sliding holes along the length direction; support legs are arranged at the four corners of the lower bottom surface of the support bed; the radio frequency receiving coil is arranged on the upper surface of the support bed in a sliding manner; the positioning and moving device comprises a servo motor, a rotating shaft and a transmission structure; the transmission structure comprises a driving wheel, a driven shaft and a transmission belt. After the nuclear magnetic resonance imaging system transmits the distance instruction to the controller, the controller calculates the angular speed threshold value of the rotation of the rotating shaft according to the distance instruction; when the angular speed encoder detects that the rotating angle of the rotating shaft reaches an angular speed threshold value, the controller controls the servo motor to stop rotating; can convenient and accurate control radio frequency receiving coil remove, convenient practicality.

Description

Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system
Technical Field
The invention belongs to the technical field of nuclear magnetic resonance, and particularly relates to a mammary gland magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system.
Background
The nuclear magnetic resonance imaging system mainly comprises a magnet, a gradient coil, a radio frequency transmitting coil, a radio frequency receiving coil, a support bed for bearing a patient and other hardware; the magnet mainly provides local magnetic field intensity required by imaging; the gradient coil mainly carries out spatial coding on an imaging body and provides imaging position information; the radio frequency transmitting coil is mainly used for exciting hydrogen atoms in an imaging area; the radio frequency receiving coil is mainly used for inducing hydrogen atom signals of an imaging area; the support bed is used for supporting and positioning a patient and realizing accurate positioning and movement. In order to obtain better imaging image quality, the center of the radio frequency receiving coil needs to be moved to the center of the magnet with the best magnetic field uniformity and the best gradient linearity, so as to complete the positioning of the radio frequency receiving coil.
In order to realize the functions, a device capable of conveniently and precisely controlling the movement of the radio frequency receiving coil is needed; meanwhile, a structure capable of fastening the radio frequency receiving coil is still required after the radio frequency receiving coil is moved to a designated position.
In order to solve the above problems, the present invention provides a breast magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system.
Disclosure of Invention
The invention aims to provide a mammary gland magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system, which is used for solving the technical problems in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a mammary gland magnetic resonance radio frequency receiving coil used for a magnetic resonance imaging system, which comprises: the device comprises a support bed, a radio frequency receiving coil and a positioning mobile device; the upper surface of the support bed is provided with two parallel rectangular sliding holes along the length direction; support legs are arranged at four corners of the lower bottom surface of the support bed; the radio frequency receiving coil is arranged on the upper surface of the support bed in a sliding manner; the positioning and moving device comprises a servo motor, a rotating shaft and a transmission structure; the two conveying structures are respectively and correspondingly arranged on the lower bottom surface of the support bed and positioned at the positions of the rectangular sliding holes;
the transmission structure comprises a driving wheel, a driven shaft and a transmission belt; the driving wheel and the driven shaft are respectively and rotatably arranged on the inner side surfaces of the two support legs on the same side of the lower bottom surface of the support bed; the driving wheel drives the driven shaft to rotate through the transmission belt; the rotating shaft of the driving wheel is coaxially connected with the rotating shaft; one end of the rotating shaft is coaxially provided with a first bevel gear; the output end of the servo motor is coaxially fixed with a second bevel gear; the second bevel gear is in meshed connection with the two first bevel gears;
connecting rods are symmetrically arranged at two ends of the radio frequency receiving coil; a sliding block is arranged on the lower bottom surface of the connecting rod; the sliding blocks are correspondingly and slidably arranged in the rectangular sliding holes.
Preferably, a U-shaped supporting plate is arranged on the lower bottom surface of the supporting bed; the servo motor is fixed on the bottom plate of the U-shaped supporting plate.
Preferably, the rotating shaft is rotatably mounted on a side plate of the U-shaped support plate through a bearing.
Preferably, the tail end of the connecting rod is vertically provided with a positioning structure; the positioning structure comprises an L-shaped limiting plate, a limiting rod, a spring, an armature and an electromagnet;
the vertical plate of the L-shaped limiting plate is vertically arranged on the lower bottom surface of the end part of the connecting rod; a transverse plate of the L-shaped limiting plate is vertically provided with a limiting rod; a slide hole formed in the armature is matched with the limiting rod in a sliding manner; the transverse plate of the L-shaped limiting plate is connected with the armature through a spring, and the spring is sleeved on the periphery of the limiting rod; and an electromagnet is fixedly arranged on the lower bottom surface of the transverse plate of the L-shaped limiting plate.
Preferably, a controller is arranged on the lower bottom surface of the support bed; the controller is electrically connected with a conductive coil wound around the electromagnet through a relay switch; the controller is electrically connected with the servo motor.
Preferably, the controller is electrically connected with the nuclear magnetic resonance imaging system; the nuclear magnetic resonance imaging system transmits a distance instruction to the controller, and the controller controls the servo motor to rotate.
Preferably, an angular speed encoder is sleeved on the periphery of the rotating shaft; the controller calculates an angular velocity threshold value of the rotation of the rotating shaft according to the distance instruction; when the angular speed encoder detects that the rotating angle of the rotating shaft reaches an angular speed threshold value, the controller controls the servo motor to stop rotating.
Preferably, the controller is in wireless communication with the mobile controller; and the mobile controller transmits a control command to the controller so as to control the on-off of the servo motor and the conductive coil of the electromagnet.
One aspect of the present invention has the following advantageous effects:
1. after the nuclear magnetic resonance imaging system transmits the distance instruction to the controller, the controller calculates the angular speed threshold value of the rotation of the rotating shaft according to the distance instruction; when the angular speed encoder detects that the rotating angle of the rotating shaft reaches an angular speed threshold value, the controller controls the servo motor to stop rotating; can convenient and accurate control radio frequency receiving coil remove, convenient practicality.
2. According to the invention, after the radio frequency receiving coil reaches the designated position, the controller controls the power on of the conductive coil of the electromagnet to be disconnected, at the moment, the electromagnet does not attract the armature any more, and the armature props against the lower bottom surface of the support bed under the action of the spring elasticity, so that the radio frequency receiving coil is stably fixed, and is convenient and practical.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a top view of a magnetic resonance RF receiver coil for a breast of a MRI system according to the present invention;
FIG. 2 is a schematic view of a breast MRI RF receiving coil according to the present invention in a bottom view;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a schematic structural view of a positioning structure according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-support bed, 11-rectangular sliding hole, 12-support leg, 13-U-shaped support plate, 2-radio frequency receiving coil, 21-connecting rod, 211-sliding block, 31-servo motor, 311-second bevel gear, 32-rotating shaft, 321-first bevel gear, 33-driving wheel, 34-driven shaft, 35-driving belt, 41-L-shaped limit plate, 42-limit rod, 43-spring, 44-armature, 45-electromagnet and 5-controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open," "upper," "middle," "length," "inner," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention is a breast mri rf receiving coil for an mri system, comprising: the device comprises a support bed 1, a radio frequency receiving coil 2 and a positioning mobile device;
the upper surface of the support bed 1 is provided with two parallel rectangular sliding holes 11 along the length direction; the four corners of the lower bottom surface of the support bed 1 are provided with support legs 12; the radio frequency receiving coil 2 is slidably arranged on the upper surface of the support bed 1; the positioning and moving device comprises a servo motor 31, a rotating shaft 32 and a transmission structure; the two conveying structures are respectively and correspondingly arranged on the lower bottom surface of the support bed 1 and positioned at the position of the rectangular sliding hole 11;
the transmission structure comprises a driving wheel 33, a driven shaft 34 and a transmission belt 35; the driving wheel 33 and the driven shaft 34 are respectively and rotatably arranged on the inner side surfaces of the two support legs 12 on the same side of the lower bottom surface of the support bed 1; the driving wheel 33 drives the driven shaft 34 to rotate through a transmission belt 35; the rotating shaft of the driving wheel 33 is coaxially connected with the rotating shaft 32; a first bevel gear 321 is coaxially installed at one end of the rotating shaft 32; the output end of the servo motor 31 is coaxially fixed with a second bevel gear 311; the second bevel gear 311 is in meshed connection with two first bevel gears 321; specifically, a U-shaped supporting plate 13 is arranged on the lower bottom surface of the supporting bed 1; the servo motor 31 is fixed on the bottom plate of the U-shaped supporting plate 13; the rotating shaft 32 is rotatably mounted on the side plate of the U-shaped support plate 13 through a bearing; connecting rods 21 are symmetrically arranged at two ends of the radio frequency receiving coil 2; the lower bottom surface of the connecting rod 21 is provided with a slide block 211; the sliding block 211 is correspondingly and slidably installed in the rectangular sliding hole 11.
As a preferred technical scheme, the tail end of the connecting rod 21 is vertically provided with a positioning structure; the positioning structure comprises an L-shaped limiting plate 41, a limiting rod 42, a spring 43, an armature 44 and an electromagnet 45; the vertical plate of the L-shaped limiting plate 41 is vertically arranged on the lower bottom surface of the end part of the connecting rod 21; a transverse plate of the L-shaped limiting plate 41 is vertically provided with a limiting rod 42; a slide hole formed on the armature 44 is matched with the limit rod 42 in a sliding manner; the transverse plate of the L-shaped limiting plate 41 is connected with the armature 44 through a spring 43, and the spring 43 is sleeved on the periphery of the limiting rod 42; an electromagnet 45 is fixedly arranged on the lower bottom surface of the transverse plate of the L-shaped limiting plate 41; a controller 5 is arranged on the lower bottom surface of the support bed 1; the controller 5 is electrically connected with a conductive coil wound around the electromagnet 45 through a relay switch; the controller 5 is electrically connected to the servo motor 31.
In addition, the controller 5 is electrically connected with the nuclear magnetic resonance imaging system; the nuclear magnetic resonance imaging system transmits a distance instruction to the controller 5, and the controller 5 controls the servo motor 31 to rotate; specifically, an angular velocity encoder is sleeved on the periphery of the rotating shaft 32; the controller 5 calculates an angular velocity threshold value of the rotation of the rotating shaft 32 according to the distance instruction; when the angular speed encoder detects that the rotation angle of the rotating shaft 32 reaches the angular speed threshold, the controller 5 controls the servo motor 31 to stop rotating; in addition, the controller 5 is in wireless communication connection with the mobile controller; the motion controller transmits a control command to the controller 5 to control the on/off of the servo motor 31 and the conductive coil of the electromagnet 45.
In practical use, after the nuclear magnetic resonance imaging system transmits a distance instruction to the controller 5, the controller 5 calculates an angular velocity threshold value of the rotation of the rotating shaft 32 according to the distance instruction; when the angular speed encoder detects that the rotation angle of the rotating shaft 32 reaches the angular speed threshold, the controller 5 controls the servo motor 31 to stop rotating; can convenient and accurate control radio frequency receiving coil 2 remove, convenient practicality. In addition, before the radio frequency receiving coil 2 does not reach the designated position, the conductive coil of the electromagnet 45 keeps the energized state, and the armature 44 is attracted by the electromagnet 45 and cannot be propped against the lower bottom surface of the support bed 1; after the radio frequency receiving coil 2 reaches the designated position, the controller 5 controls the conduction of the conductive coil of the disconnected electromagnet 45, at the moment, the electromagnet 45 no longer attracts the armature 44, and the armature 44 props against the lower bottom surface of the support bed 1 under the elastic action of the spring 43, so that the radio frequency receiving coil 2 is stably fixed, and is convenient and practical.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. A breast magnetic resonance radio frequency receive coil for a magnetic resonance imaging system, comprising: the device comprises a support bed (1), a radio frequency receiving coil (2) and a positioning mobile device;
the upper surface of the support bed (1) is provided with two parallel rectangular sliding holes (11) along the length direction; supporting legs (12) are arranged at four corners of the lower bottom surface of the supporting bed (1);
the radio frequency receiving coil (2) is slidably arranged on the upper surface of the support bed (1);
the positioning and moving device comprises a servo motor (31), a rotating shaft (32) and a transmission structure; the two conveying structures are respectively and correspondingly arranged on the lower bottom surface of the support bed (1) and positioned at the position of the rectangular sliding hole (11);
the transmission structure comprises a driving wheel (33), a driven shaft (34) and a transmission belt (35); the driving wheel (33) and the driven shaft (34) are respectively and rotatably arranged on the inner side surfaces of the two support legs (12) on the same side of the lower bottom surface of the support bed (1); the driving wheel (33) drives the driven shaft (34) to rotate through a transmission belt (35); the rotating shaft of the driving wheel (33) is coaxially connected with the rotating shaft (32); one end of the rotating shaft (32) is coaxially provided with a first bevel gear (321); the output end of the servo motor (31) is coaxially fixed with a second bevel gear (311); the second bevel gear (311) is in meshed connection with the two first bevel gears (321);
connecting rods (21) are symmetrically arranged at two ends of the radio frequency receiving coil (2); a sliding block (211) is arranged on the lower bottom surface of the connecting rod (21); the sliding block (211) is correspondingly and slidably arranged in the rectangular sliding hole (11).
2. A breast magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system according to claim 1, characterized in that the supporting bed (1) is provided with a U-shaped supporting plate (13) at the lower bottom surface; the servo motor (31) is fixed on the bottom plate of the U-shaped supporting plate (13).
3. A breast magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system according to claim 2, characterized in that the rotary shaft (32) is rotatably mounted on the side plates of the U-shaped support plate (13) by means of bearings.
4. A breast magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system according to claim 1 or 3, characterized in that the ends of the connecting rods (21) are vertically mounted with a positioning structure; the positioning structure comprises an L-shaped limiting plate (41), a limiting rod (42), a spring (43), an armature (44) and an electromagnet (45);
the vertical plate of the L-shaped limiting plate (41) is vertically arranged on the lower bottom surface of the end part of the connecting rod (21); a transverse plate of the L-shaped limit plate (41) is vertically provided with a limit rod (42); a slide hole formed in the armature (44) is matched with the limiting rod (42) in a sliding manner; the transverse plate of the L-shaped limiting plate (41) is connected with the armature (44) through a spring (43), and the spring (43) is sleeved on the periphery of the limiting rod (42); and an electromagnet (45) is fixedly arranged on the lower bottom surface of the transverse plate of the L-shaped limiting plate (41).
5. A breast magnetic resonance radio frequency receiving coil for a magnetic resonance imaging system according to claim 4, characterized in that the support bed (1) is provided with a controller (5) on its lower bottom surface; the controller (5) is electrically connected with a conductive coil wound around the electromagnet (45) through a relay switch; the controller (5) is electrically connected with the servo motor (31).
6. A breast magnetic resonance radio frequency receive coil for a magnetic resonance imaging system according to claim 1 or 5, characterized in that the controller (5) is electrically connected to a magnetic resonance imaging system; the nuclear magnetic resonance imaging system transmits a distance instruction to the controller (5), and the controller (5) controls the servo motor (31) to rotate.
7. The breast magnetic resonance radio frequency receiving coil for the magnetic resonance imaging system as set forth in claim 6, wherein the rotating shaft (32) is circumferentially sleeved with an angular velocity encoder; the controller (5) calculates an angular velocity threshold value of the rotating shaft (32) according to the distance instruction; when the angular speed encoder detects that the rotating angle of the rotating shaft (32) reaches an angular speed threshold value, the controller (5) controls the servo motor (31) to stop rotating.
8. A breast magnetic resonance radio frequency receive coil for a magnetic resonance imaging system according to claim 7, wherein the controller (5) is in wireless communication with a motion controller; the mobile controller transmits a control command to the controller (5) to control the on-off of the servo motor (31) and the conductive coil of the electromagnet (45).
CN202011466035.6A 2020-12-14 2020-12-14 Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system Pending CN112611993A (en)

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Application Number Priority Date Filing Date Title
CN202011466035.6A CN112611993A (en) 2020-12-14 2020-12-14 Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system

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Application Number Priority Date Filing Date Title
CN202011466035.6A CN112611993A (en) 2020-12-14 2020-12-14 Mammary gland magnetic resonance radio frequency receiving coil for magnetic resonance imaging system

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231331A (en) * 2007-01-24 2008-07-30 西门子(中国)有限公司 Movement positioning device for MRI nasty coupling coil
CN101273900A (en) * 2007-03-29 2008-10-01 上海西门子医疗器械有限公司 Computer tomoscanning sick bed
CN101305907A (en) * 2007-05-17 2008-11-19 西门子(中国)有限公司 Magnetic resonance image forming system and implement method and device of mobile vertebra coil
EP3254731A1 (en) * 2016-06-08 2017-12-13 Cyprus University of Technology Multi-purpose robotic system for mri guided focused ultrasound treatment
CN108272454A (en) * 2018-03-13 2018-07-13 上海东软医疗科技有限公司 It is scanning bed and with the scanning bed medical imaging equipment
CN108968961A (en) * 2018-07-11 2018-12-11 芜湖帮许来诺医疗设备科技有限公司 A kind of magnetic resonance integrated form is scanning bed and its control method
CN111588471A (en) * 2020-06-23 2020-08-28 四川大学 Robot for vascular intervention operation
CN111685762A (en) * 2020-04-30 2020-09-22 鑫高益医疗设备股份有限公司 Rotatable liquid helium-free superconducting magnetic resonance instrument

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231331A (en) * 2007-01-24 2008-07-30 西门子(中国)有限公司 Movement positioning device for MRI nasty coupling coil
CN101273900A (en) * 2007-03-29 2008-10-01 上海西门子医疗器械有限公司 Computer tomoscanning sick bed
CN101305907A (en) * 2007-05-17 2008-11-19 西门子(中国)有限公司 Magnetic resonance image forming system and implement method and device of mobile vertebra coil
EP3254731A1 (en) * 2016-06-08 2017-12-13 Cyprus University of Technology Multi-purpose robotic system for mri guided focused ultrasound treatment
CN108272454A (en) * 2018-03-13 2018-07-13 上海东软医疗科技有限公司 It is scanning bed and with the scanning bed medical imaging equipment
CN108968961A (en) * 2018-07-11 2018-12-11 芜湖帮许来诺医疗设备科技有限公司 A kind of magnetic resonance integrated form is scanning bed and its control method
CN111685762A (en) * 2020-04-30 2020-09-22 鑫高益医疗设备股份有限公司 Rotatable liquid helium-free superconducting magnetic resonance instrument
CN111588471A (en) * 2020-06-23 2020-08-28 四川大学 Robot for vascular intervention operation

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Application publication date: 20210406