CN112714537B - Lighting device and magnetic resonance system - Google Patents
Lighting device and magnetic resonance system Download PDFInfo
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- CN112714537B CN112714537B CN202011621719.9A CN202011621719A CN112714537B CN 112714537 B CN112714537 B CN 112714537B CN 202011621719 A CN202011621719 A CN 202011621719A CN 112714537 B CN112714537 B CN 112714537B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/34—Voltage stabilisation; Maintaining constant voltage
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention relates to a lighting device and a magnetic resonance system, wherein the lighting device comprises an energy storage device and a light source, and the energy storage device is electrically connected with the light source, wherein the energy storage device is used for converting magnetic energy generated during magnetic resonance scanning into electric energy for storage and supplying power to the light source; the light source is for illumination. According to the invention, the energy storage device is arranged, so that the variable escape field generated by exciting and encoding the target by the high-power radio frequency coil and the gradient coil is induced during the magnetic resonance sequence scanning, the generated electric energy is stored for the light source to emit light, and therefore, no additional power supply is needed, no additional power consumption is caused, the interference risk generated during the introduction of an external power supply line is reduced, and in addition, the complexity of a system cable is reduced.
Description
Technical Field
The present invention relates to the field of magnetic resonance scanning, and in particular, to an illumination device and a magnetic resonance system.
Background
Currently, the magnetic resonance system basically adopts a superconducting method, a patient needs to be sent into a scanning aperture in the scanning process, the aperture of a magnet is mostly longer, and the middle part of the magnet is dark in light, so that in order to relieve the tension emotion of the patient (especially claustrophobia patient), the dark cavity in the aperture needs to be illuminated in the checking process.
The general in-aperture lighting system consists of two parts, namely a light source and a power supply, wherein the current power supply is generally arranged outside a scanning aperture, then the light source is connected with the light source from the outside of the scanning aperture of the magnetic resonance system through a cable, so that the light source is powered, the circuit is complex, extra power is consumed, and the interference risk can be brought to magnetic resonance scanning when an external power supply line is led in.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an illumination device and a magnetic resonance system for solving the problem that the light source needs to be powered from an external lead during the current magnetic resonance scanning illumination.
In a first aspect, the invention provides a lighting device comprising an energy storage device and a light source, the energy storage device being electrically connected to the light source, wherein,
the energy storage device is used for converting magnetic energy generated during magnetic resonance scanning into electric energy to be stored and supplying power to the light source;
the light source is for illumination.
Preferably, in the lighting device, the energy storage device comprises an electromagnetic induction module and an energy storage module, the electromagnetic induction module is electrically connected with the energy storage module, wherein,
the electromagnetic induction module is used for converting magnetic energy generated during magnetic resonance scanning into electric energy;
the energy storage module is used for storing the electric energy generated by the electromagnetic induction module and supplying power to the light source.
Preferably, in the lighting device, the electromagnetic induction module includes at least one electromagnetic induction coil, two ends of the electromagnetic induction coil are electrically connected with the energy storage module, and the electromagnetic induction coil is used for generating alternating current after inducing a changing magnetic field generated during magnetic resonance scanning.
Preferably, in the lighting device, the lighting device further comprises a rectifying and filtering module, the rectifying and filtering module is electrically connected with the electromagnetic induction module and the energy storage module, wherein,
the rectification and filtering module is used for rectifying and filtering the electric energy generated by the electromagnetic induction module and then charging the energy storage module so that the energy storage module stores the electric energy and supplies power to the light source.
Preferably, in the lighting device, the energy storage module further includes a charge-discharge control module, the charge-discharge control module is connected between the rectifying and filtering module and the energy storage module, and between the energy storage module and the light source, and the charge-discharge control module is used for controlling charge-discharge of the energy storage module.
Preferably, in the lighting device, the energy storage module further includes an electric quantity detection module, the electric quantity detection module is electrically connected with the energy storage module and the charge-discharge control module, and the electric quantity detection module is used for detecting electric energy stored by the energy storage module, and sending a control signal to the charge-discharge control module when the electric energy stored by the energy storage module exceeds a preset value, so that the charge-discharge control module disconnects connection between the rectifying and filtering module and the energy storage module.
Preferably, in the lighting device, the energy storage module further comprises a voltage stabilizing module, the voltage stabilizing module is connected between the energy storage module and the light source, and the voltage stabilizing module is used for converting electric energy output by the energy storage module into voltage and supplying power to the light source.
Preferably, in the lighting device, the energy storage device is disposed in a dark cavity of a scanning aperture of the magnetic resonance system.
Preferably, in the lighting device, the light source is disposed in a dark cavity of a scanning aperture of the magnetic resonance system.
In a second aspect, the invention also provides a magnetic resonance system comprising an illumination device as described above.
Compared with the prior art, the lighting device and the magnetic resonance system provided by the invention have the advantages that the energy storage device is arranged, the variable escape field generated by exciting and encoding the target by the high-power radio frequency coil and the gradient coil is induced during the magnetic resonance sequence scanning, and the generated electric energy is stored for the light source to emit light for use, so that no additional power supply is needed, no additional power consumption is caused, the interference risk generated during the introduction of an external power supply line is reduced, and in addition, the complexity of a system cable is also reduced.
Drawings
FIG. 1 is a block diagram of a lighting device according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram of a preferred embodiment of the energy storage device in the lighting device according to the present invention;
FIG. 3 is a block diagram of a lighting device according to a preferred embodiment of the present invention for storing and converting electrical energy;
fig. 4 is a schematic diagram of a lighting device according to a preferred embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the invention, and are not intended to limit the scope of the invention.
Referring to fig. 1, an illumination device provided in an embodiment of the invention includes an energy storage device 100 and a light source 200, wherein the energy storage device 100 is electrically connected with the light source 200.
Specifically, the energy storage device 100 is configured to convert magnetic energy generated during magnetic resonance scanning into electric energy for storage, and supply power to the light source 200, and during magnetic resonance sequence scanning, the radio frequency coil and the gradient coil excite and encode a target, so as to generate a greatly changed evanescent field, and the energy storage device 100 can sense the changed evanescent field, so as to generate electric energy for storage, and provide light for the light source 200.
The light source 200 is used for illumination, and illuminates the aperture dark cavity of the magnetic resonance system during the examination process, thereby relieving the tension of the patient.
The lighting device provided by the embodiment of the invention directly uses the energy storage device 100 to store energy and supply power, does not need an external power supply, reduces the interference risk introduced by an external power supply line, and reduces the complexity of a system cable, and in addition, the energy storage device 100 directly uses the changed escape field generated during the magnetic resonance scanning to generate electric energy, so that no extra power is required, the energy is saved, and the magnetic energy is effectively utilized.
Referring to fig. 2, in one embodiment, the energy storage device 100 includes an electromagnetic induction module 110 and an energy storage module 120, the electromagnetic induction module 110 is electrically connected with the energy storage module 120, wherein,
the electromagnetic induction module 110 is configured to convert magnetic energy generated during magnetic resonance scanning into electric energy, and when performing magnetic resonance sequence scanning, the electromagnetic induction module 110 induces a varying magnetic field to generate alternating current and transmits the alternating current to the energy storage module 120.
The energy storage module 120 is configured to store the electric energy generated by the electromagnetic induction module 110 and supply power to the light source 200, and when the electromagnetic induction module 110 generates the electric energy, the energy storage module 120 charges on one hand and outputs the electric energy to supply power to the light source 200 on the other hand, and in order to realize power supply, the ac generated by the electromagnetic induction module 110 needs to be converted into dc to charge the energy storage module 120 and further supply power to the light source 200.
Referring to fig. 4, in a preferred embodiment, in order to implement electromagnetic induction, the electromagnetic induction module 110 includes at least one electromagnetic induction coil L, two ends of the electromagnetic induction coil L are electrically connected to the energy storage module 120, and the electromagnetic induction coil L is used for generating an alternating current after inducing a varying magnetic field generated during magnetic resonance scanning, and then outputting the alternating current to the energy storage module 120. When the electromagnetic induction coil L senses a varying magnetic field, the electromagnetic induction coil L may induce electric energy according to an electromagnetic induction principle and then output the electric energy to the energy storage module 120.
It should be noted that, in the embodiment of the present invention, the number of the electromagnetic induction coils L may be any number, and in order to achieve fast energy storage, in the embodiment of the present invention, the number of the electromagnetic induction coils L may be set to be a plurality, for example, 3, and the plurality of electromagnetic induction coils L generate electric energy at the same time and then output the electric energy to the energy storage module 120, so that the energy storage module 120 achieves fast charging. Of course, in other embodiments, the number of the electromagnetic induction coils L may be other, and only alternating current needs to be generated.
Furthermore, it should be understood that the electromagnetic induction coil L in the embodiment of the present invention includes not only a coil but also a core around which the coil is wound, thereby achieving electromagnetic induction.
Referring to fig. 3, in one embodiment, the lighting device further includes a rectifying and filtering module 300, the rectifying and filtering module 300 is electrically connected to the electromagnetic induction module 110 and the energy storage module 120, wherein,
the rectifying and filtering module 300 is configured to rectify and filter the electric energy generated by the electromagnetic induction module 110, and then charge the energy storage module 120, so that the energy storage module 120 stores the electric energy and supplies power to the light source 200.
In other words, the ac generated by the electromagnetic induction module 110 cannot be transmitted to the energy storage module 120, and the charging can be achieved after the rectification and filtering process is performed.
Referring to fig. 4, in one embodiment, the rectifying and filtering module 300 includes a rectifying bridge B1, a first capacitor C1 and a second capacitor C2, wherein the 1 st end of the rectifying bridge B1 is connected to one end of the electromagnetic induction coil L, the 2 nd end of the rectifying bridge B1 is grounded, the 3 rd end of the rectifying bridge B1 is connected to the other end of the electromagnetic induction coil L, the 4 th end of the rectifying bridge B1 is connected to one end of the first capacitor C1 and one end of the second capacitor C2, and the other end of the first capacitor C1 and the other end of the second capacitor C2 are grounded. The rectifier bridge B1 is a full-bridge rectifier circuit, and is composed of four diodes, and is capable of converting the alternating current generated by the electromagnetic induction coil L into direct current, and then outputting the stable direct current to the energy storage module 120 through the filtering process of the first capacitor C1 and the second capacitor C2.
Of course, it should be noted that the rectifying and filtering module of the present invention is not limited to the above-mentioned circuit, and for example, a half-bridge rectifying circuit may be used for rectifying or a rectifying diode may be directly used for rectifying, so long as the rectifying and filtering are satisfied.
With continued reference to fig. 3, in one embodiment, the lighting device further includes a charge-discharge control module 400, where the charge-discharge control module 400 is connected between the rectifying and filtering module 300 and the energy storage module 120, and between the energy storage module 120 and the light source 200, and the charge-discharge control module 400 is configured to control charge and discharge of the energy storage module 120.
In this embodiment, the charge-discharge process of the energy storage module 120 may be controlled by setting a charge-discharge control module 400, so as to avoid overcharging or overdischarging of the energy storage module 120, when the charge time of the energy storage module 120 is too long or the energy storage module is overcharged, the connection between the energy storage module 120 and the rectifying and filtering module 300 may be disconnected, so that the charge is stopped, when the discharge time of the energy storage module 120 is too long or the energy storage module is overdischarged, the connection between the energy storage module 120 and the light source 200 may be disconnected, and in addition, when no magnetic resonance sequence scanning is performed, the connection between the energy storage module 120 and the light source 200 may be disconnected, so that the waste of electric energy is reduced.
Referring to fig. 4, in one embodiment, the charge-discharge control module 400 includes a control chip U1, a first switch K1 and a second switch K2, two signal output ports of the control chip U1 are connected to the first switch K1 and the second switch K2, the first switch K1 is disposed between the rectifying and filtering module 300 and the energy storage module 120, and the second switch K2 is disposed between the energy storage module 120 and the light source 200.
The control chip U1 is configured to control on-off of the first switch K1 and the second switch K2, when charging is required, the control chip U1 sends a signal to the first switch K1 to close the first switch K1, so that the rectifying and filtering module 300 can output direct current to the energy storage module 120 to charge the energy storage module 120, and when charging is required to be disconnected, the control chip U1 controls the first switch K1 to be disconnected to stop charging the energy storage module 120. When illumination is needed, the control chip U1 controls the second switch K2 to be turned on, so that the energy storage module 120 supplies power to the light source 200, and when illumination is not needed or power supply is needed to be stopped, the control chip U1 controls the second switch K2 to be turned off, so that the energy storage module 120 stops supplying power to the light source 200.
In a preferred embodiment, the control chip U1 may use a single chip to implement control of the switch, with stable performance and fast processing speed, and of course, in other embodiments, the control chip U1 may be replaced by other hardware or software capable of implementing a control function, for example, an embedded system, etc., which is not limited in this invention.
It should be noted that, the specific circuit structure of the charge-discharge control module 400 is only a preferred embodiment of the present invention for realizing charge-discharge control, and in other embodiments, the charge-discharge control may be realized in other manners, for example, the control of the switch is realized directly by software, or the switch is replaced by a relay, and the charge-discharge control structure only meeting the charge-discharge control can be used in the embodiments of the present invention.
Referring to fig. 3 and fig. 4, in an embodiment, the lighting device further includes an electric quantity detection module 500, the electric quantity detection module 500 is electrically connected to the energy storage module 120 and the charge/discharge control module 400, and the electric quantity detection module 500 is configured to detect electric energy stored in the energy storage module 120, and send a control signal to the charge/discharge control module 400 when the electric energy stored in the energy storage module 120 exceeds a preset value, so that the charge/discharge control module 400 disconnects the rectifying and filtering module 300 from the energy storage module 120.
In other words, in order to avoid overcharging the energy storage module 120, in the embodiment of the present invention, an electric quantity detection module 500 is provided to monitor the electric quantity of the energy storage module 120 in real time, so as to ensure the safety of the energy storage module 120. In a specific embodiment, the power detection module 500 may employ a power management chip, and the power management chip may directly measure the power stored in the energy storage module 120, and then compare the monitored power with a preset value, and output a control signal to the charge/discharge control module 400, so that the charge/discharge control module 400 controls the on/off of the first switch K1. Of course, in other embodiments, the electric quantity detection module 500 may also adopt other electric energy monitoring modes, for example, a voltage acquisition circuit is used to acquire voltages at two ends of the energy storage module 120, then the voltages are converted into electric quantities through analog-to-digital conversion, and a comparison circuit is used to compare the electric quantities to output control signals, so that the charge/discharge control module 400 can operate, and only a monitoring structure meeting electric quantity monitoring needs to be used in the embodiments of the present invention.
With continued reference to fig. 3, in one embodiment, the lighting device further includes a voltage stabilizing module 600, the voltage stabilizing module 600 is connected between the energy storage module 120 and the light source 200, and the voltage stabilizing module 600 is configured to convert the electric energy output by the energy storage module 120 into voltage and then supply power to the light source 200.
In other words, in order to provide the light source 200 with a suitable voltage, the embodiment of the present invention further provides a voltage stabilizing module 600 for voltage conversion before power supply, so as to ensure the stability and safety of power supply of the light source 200. In a specific embodiment, the voltage stabilizing module 600 may be a voltage stabilizing chip directly, after voltage conversion by the voltage stabilizing chip, a suitable voltage may be provided for the light source 200, and the voltage stabilizing chip may convert a 220V power supply into a 12V voltage and output the 12V voltage, however, in other embodiments, the voltage stabilizing module 600 may also adopt other voltage stabilizing manners, and only the technical scheme that only needs to meet the power supply requirement of the light source 200 may be used in the embodiments of the present invention.
In one embodiment, the energy storage module 120 is a storage battery, and the storage battery can conveniently store and release electric energy to ensure the charging and power supplying requirements, and in other embodiments, the energy storage module 120 can also use other modes, such as a charging inductor, and the like, and only devices meeting the requirements of energy storage and discharging can be used in the embodiments of the present invention.
In one embodiment, the energy storage device 100 is disposed in a dark cavity of a scanning aperture of the magnetic resonance system, so that external wiring from the scanning aperture of the magnetic resonance system can be effectively avoided, interference to magnetic resonance scanning is avoided, wiring complexity is reduced, and in addition, the magnetic resonance scanning is performed in the dark cavity of the scanning aperture, so that the energy storage device 100 can sense a strong magnetic field, and a changed dissipation field generated during scanning is fully utilized.
In one embodiment, the light source 200 is disposed in a scanning aperture dark space of the magnetic resonance system, so as to ensure sufficient illumination of the aperture dark space, and effectively relieve the tension of the patient. In a specific embodiment, the light source 200 is an LED lamp, and the light of the LED lamp is softer, so that the eye injury of the patient can be avoided while the tension of the patient is effectively relieved. Of course, in other embodiments, the light source 200 may also employ an OLED lamp, an incandescent lamp, or other lighting devices, and only lighting solutions can be used in the embodiments of the present invention.
Based on the above-mentioned illumination device, the present invention further provides a magnetic resonance system, which includes the illumination device described in each embodiment, and the magnetic resonance system is used for performing magnetic resonance scanning and can illuminate the dark cavity in the aperture during scanning.
In summary, according to the lighting device and the magnetic resonance system provided by the invention, the energy storage device is arranged, so that the energy storage device is used for inducing the variable escape field generated by exciting and encoding the target by the high-power radio frequency coil and the gradient coil during the magnetic resonance sequence scanning, and the electric energy is generated and stored for the light source to emit light for use, so that no additional power supply is needed, no additional power consumption is caused, the interference risk generated during the introduction of an external power supply line is reduced, and in addition, the complexity of a system cable is reduced.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A lighting device is characterized by comprising an energy storage device and a light source, wherein the energy storage device is electrically connected with the light source,
the energy storage device is used for converting magnetic energy generated during magnetic resonance scanning into electric energy to be stored and supplying power to the light source;
the light source is used for illumination;
the energy storage device is arranged in a dark cavity of a scanning aperture of the magnetic resonance system.
2. A lighting device as recited in claim 1, wherein said energy storage device comprises an electromagnetic induction module and an energy storage module, said electromagnetic induction module being electrically connected to said energy storage module, wherein,
the electromagnetic induction module is used for converting magnetic energy generated during magnetic resonance scanning into electric energy;
the energy storage module is used for storing the electric energy generated by the electromagnetic induction module and supplying power to the light source.
3. A lighting device as recited in claim 2, wherein said electromagnetic induction module comprises at least one electromagnetic induction coil, both ends of said electromagnetic induction coil being electrically connected to said energy storage module, said electromagnetic induction coil being adapted to generate an alternating current upon induction of a changing magnetic field generated during a magnetic resonance scan.
4. A lighting device as recited in claim 2, further comprising a rectifying and filtering module, said rectifying and filtering module being electrically connected to said electromagnetic induction module and said energy storage module, wherein,
the rectification and filtering module is used for rectifying and filtering the electric energy generated by the electromagnetic induction module and then charging the energy storage module so that the energy storage module stores the electric energy and supplies power to the light source.
5. A lighting device as recited in claim 4, further comprising a charge-discharge control module, said charge-discharge control module being connected between said rectifying and filtering module and said energy storage module, and between said energy storage module and said light source, said charge-discharge control module being configured to control charge-discharge of said energy storage module.
6. A lighting device as recited in claim 5, further comprising an electrical quantity detection module, said electrical quantity detection module being electrically connected to said energy storage module and to a charge-discharge control module, said electrical quantity detection module being configured to detect electrical energy stored by said energy storage module and to send a control signal to said charge-discharge control module when said electrical energy stored by said energy storage module exceeds a predetermined value, such that said charge-discharge control module disconnects said rectifying and filtering module from said energy storage module.
7. A lighting device as recited in claim 4, further comprising a voltage regulation module, said voltage regulation module being connected between said energy storage module and said light source, said voltage regulation module being configured to convert electrical energy output by said energy storage module into voltage and to power said light source.
8. A lighting device as recited in claim 1, wherein said light source is disposed within a scan aperture dark space of a magnetic resonance system.
9. A magnetic resonance system comprising an illumination device according to any one of claims 1-8.
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| JP2003204948A (en) * | 2002-01-10 | 2003-07-22 | Ge Medical Systems Global Technology Co Llc | Magnetic resonance imaging system |
| CN103796583A (en) * | 2012-09-10 | 2014-05-14 | 株式会社东芝 | Magnetic resonance imaging equipment, and power control method for magnetic resonance imaging equipment |
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| DE102004024095A1 (en) * | 2004-05-14 | 2005-12-15 | Siemens Ag | Lighting device and medical imaging examination apparatus with such a lighting device |
| JP5586385B2 (en) * | 2010-09-08 | 2014-09-10 | 三菱電機株式会社 | Self-excited light emitting device and self-excited sterilization device |
| JP5927582B2 (en) * | 2012-01-10 | 2016-06-01 | パナソニックＩｐマネジメント株式会社 | Non-contact power supply system for lighting and lighting fixture |
| JP5979535B2 (en) * | 2012-04-13 | 2016-08-24 | パナソニックＩｐマネジメント株式会社 | Non-contact power feeding system for lighting and lighting fixture using the same |
| US20150320334A1 (en) * | 2014-05-06 | 2015-11-12 | New York University | System, method and computer-accessible medium for improving patient compliance during magnetic resonance imaging examinations |
| US20160081613A1 (en) * | 2014-09-18 | 2016-03-24 | Christoph Braun | Arrangement and method for outputting light signals at a medical-technical installation |
| CN108702823A (en) * | 2017-05-25 | 2018-10-23 | 深圳和而泰智能照明有限公司 | LED drive circuit, LED light device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003204948A (en) * | 2002-01-10 | 2003-07-22 | Ge Medical Systems Global Technology Co Llc | Magnetic resonance imaging system |
| CN103796583A (en) * | 2012-09-10 | 2014-05-14 | 株式会社东芝 | Magnetic resonance imaging equipment, and power control method for magnetic resonance imaging equipment |
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