KR20170096497A - Phantoms for Quality Assurance of Magnetic Resonance Image Guided Radiation Therapy Machine - Google Patents

Phantoms for Quality Assurance of Magnetic Resonance Image Guided Radiation Therapy Machine Download PDF

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KR20170096497A
KR20170096497A KR1020160017945A KR20160017945A KR20170096497A KR 20170096497 A KR20170096497 A KR 20170096497A KR 1020160017945 A KR1020160017945 A KR 1020160017945A KR 20160017945 A KR20160017945 A KR 20160017945A KR 20170096497 A KR20170096497 A KR 20170096497A
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magnetic resonance
quality control
main body
phantom device
radiation therapy
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KR1020160017945A
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Korean (ko)
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KR101777499B1 (en
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박종민
김정인
우홍균
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서울대학교병원
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
    • A61N2005/1076—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus using a dummy object placed in the radiation field, e.g. phantom

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The present invention relates to a device for verifying the performance of a radiation therapy apparatus, and more particularly, to a phantom device for quality assurance of a magnetic resonance image guided radiation therapy apparatus. The phantom device for quality assurance of the magnetic resonance image guided radiation therapy apparatus presented in the present invention verifies the image and radiation quality for periodic quality assurance of the magnetic resonance image guided radiation therapy apparatus very accurately at the same time, and by performing various quality assurance items of various kinds of radiotherapy devices in addition to magnetic resonance image guided radiation therapy apparatus, it is expected that the phantom device will enable precise and accurate radiotherapy in clinical practice and can enhance a therapeutic effect.

Description

[0001] The present invention relates to a phantom for quality control of a magnetic resonance image guided radiotherapy apparatus,

The present invention relates to an apparatus for verifying the performance of a radiation therapy apparatus, and more particularly, to a phantom apparatus for managing the quality of a magnetic resonance imaging radiation therapy apparatus.

Radiation therapy is one of the three major cancer therapies, along with surgery and chemotherapy, as a method of clinical medicine to treat patients with very short wavelength and high energy radiation. It treats malignant tumors, mainly cancer, but also benign tumors and some benign diseases. Radiation therapy is performed by expensive medical equipment called a linear accelerator or a Co-60 Radiotherapy machine, which can output x-rays and electron beams of high dose rates, as well as fine-tune the output energy. Currently, it is being used as a standard equipment for radiation therapy.

Particularly, when performing radiation therapy through the above-described radiation therapy apparatus, it is most important to confirm whether the planned radiation dose is accurately delivered to the patient. It is necessary to irradiate the radiotherapy apparatus with appropriate energy and to irradiate the optimal energy radiation corresponding to the condition, size or depth of the tumor. It is very important that the radiation of the energy be output and that the patient's exact spatial information be located.

On the other hand, interest in the introduction of magnetic resonance imaging (MRI) in the field of radiation therapy is increasing. Compared to computed tomography (CT) images, MRI provides more precise and accurate radiation therapy because of its excellent ability to differentiate soft tissues, and MRI is safe because it does not have additional radiation exposure Provides excellent anatomical image information. As a result, there have been active researches on image-guided radiotherapy devices that have been combined with MRI, and as a result, the ViewRay® system equipment has recently been introduced. The equipment is actively installed all over the world, and a new magnetic resonance image-guided radiotherapy device is expected to be introduced and clinically introduced.

When performing the radiation therapy using the above equipment, it is necessary to confirm whether the planned radiation dose is accurately delivered to the patient, accurately grasp the position of the lesion, correct the radiation dose, output the radiation of necessary energy, It is necessary to check in advance and accuracy. This is called Quality Assurance and actually conducts quality control periodically or non-periodically in hospitals. Currently, a variety of phantoms have been developed (Korean Patent No. 10-1300780) for the quality control of radiotherapy devices, but they are different from the phantom used for managing the quality of radiation therapy devices based on conventional computerized tomography (CT) The use of phantoms and measuring instruments that can be used under a magnetic field environment is extremely limited.

Disclosure of Invention Technical Problem [8] The present invention has been conceived to solve the above-mentioned problems, and an inventor of the present invention has developed a phantom device for performing quality control of a magnetic resonance imaging radiation therapy apparatus for performing radiation therapy in a magnetic field environment.

SUMMARY OF THE INVENTION Accordingly,

A main body 100 having a hollow hexahedral shape;

Protrusions (200) protruding from the inner wall of the main body (100) at regular intervals;

An injection unit 300 formed on the side wall of the main body 100 and capable of supplying liquid into the main body 100; And

And an ion chamber accommodating part (400) formed on a side wall of the main body part (100) and providing a space in which the ion chamber can be inserted and inserted. The phantom device for quality control of a MRI image radiotherapy apparatus will be.

Another object of the present invention is

A first body part 600 and a second body part 700 having an empty hexahedron shape; And

And a radiation sensitive film (800) disposed between the first and second body parts (600, 700) and capable of measuring a radiation dose distribution, the apparatus comprising: a phantom device .

However, the technical problem to be solved by the present invention is not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the object of the present invention as described above,

According to the present invention, there is provided a display device comprising: a main body part (100) having a hollow hexahedron shape;

Protrusions (200) protruding from the inner wall of the main body (100) at regular intervals;

An injection unit 300 formed on the side wall of the main body 100 and capable of supplying liquid into the main body 100; And

And an ion chamber accommodating part (400) formed on a side wall of the main body part (100) and providing a space in which the ion chamber can be inserted, can be provided by providing a phantom device for quality control of a MRI image radiotherapy apparatus .

The phantom device may further include a pedestal 500 for separating the main body 100 from the ground and adjusting the level of the main body 100.

Preferably, the main body 100 may be made of an acrylic material.

The injection unit 300 may further include a cap 310 for sealing the opening of the injection unit 300.

Preferably, the phantom device is a radiation therapy device derived from any one selected from the group consisting of magnetic resonance imaging (MRI), computed tomography (CT), single photon imaging (SPECT), and positron emission tomography Can be used for quality control.

The present invention may also be applied to a display device including a first main body part 600 and a second main body part 700 having a hollow hexahedral shape; And

And a radiation sensitive film (800) disposed between the first and second body parts (600, 700) and capable of measuring a radiation dose distribution, the apparatus comprising: a phantom device to provide.

Preferably, the phantom device further includes a supply unit 900 formed through the side walls of the first and second main body parts 600 and 700 and capable of supplying liquid into the first and second main body parts 100, .

Preferably, the phantom device further comprises a support 1000 for separating the first and second body portions 600 and 700 from the ground and for adjusting the level of the first and second body portions 600 and 700, As shown in FIG.

Preferably, the phantom device further includes lattice grooves 1100 formed at the center of the upper and lower surfaces of the first and second body portions 600 and 700 and the three outer surfaces.

The first body part 600 may include a fastening part 610 formed on one side wall and adapted to engage with the second body part 700.

The second body 700 may include a coupling groove 710 formed on a side wall of the first body 700 to engage with the first body 600.

Preferably, the phantom device is a radiation therapy device derived from any one selected from the group consisting of magnetic resonance imaging (MRI), computed tomography (CT), single photon imaging (SPECT), and positron emission tomography Can be used for quality control.

The phantom for the quality control of the radiotherapeutic apparatus proposed in the present invention not only verifies the image and radiation quality for periodic quality control of the magnetic resonance image guided radiotherapy apparatus at the same time, By performing various quality control items of various kinds of radiotherapy devices in addition to treatment devices, it is expected that it will enable precise and accurate radiotherapy in clinical practice and enhance the therapeutic effect.

1 is a perspective view of a phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view showing the inside of the main body 100 in the phantom device for the quality management of the MRI image-guided radiotherapy apparatus according to an embodiment of the present invention.
FIG. 4 is a view illustrating a state in which a phantom device for level management of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention is filled with water.
FIG. 5 is a side view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention.
6 is a perspective view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention.
FIG. 7 is an exploded perspective view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention.
FIG. 8 is a top view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. The shapes, sizes, ratios, angles, numbers, and the like disclosed in the drawings for describing the embodiments of the present invention are illustrative, and thus the present invention is not limited thereto. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.

FIGS. 1 to 5 show a phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention. FIGS. 6 and 7 are views showing a magnetic resonance imaging And a phantom device for quality control of an inductive radiotherapy apparatus.

By adopting such a configuration, it is possible to simultaneously verify image quality and radiation quality for periodic quality control of a magnetic resonance image-guided radiotherapy apparatus that performs radiation therapy in a magnetic field environment.

 In the present invention, "magnetic resonance imaging (MRI)" is an examination method for diagnosing a disease by imaging electromagnetic waves reflected from a human body in a strong magnetic field by measuring electromagnetic waves reflected therefrom. In a large magnet cylinder generating a magnetic field, And then generating a high frequency to resonate the hydrogen nuclei in the body region, measuring the difference in signal from each tissue, reconstructing it through a computer, and imaging it.

Hereinafter, each component constituting the phantom device for the quality control of the MRI image-guided radiotherapy apparatus according to the present invention will be described in detail.

First, the phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention confirms the image spatial integrity of the most important spatial information in a radiotherapy image, FIG. 1 is a perspective view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view of a phantom device according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a phantom device for quality control of an inductive radiotherapy apparatus.

1 and 2, the phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention includes a main body 100, a protrusion 200, an injection unit 300, And an ion chamber accommodating portion 400, and may further include a pedestal 500. [0035]

The main body 100 is configured to verify the quality of images and radiation by arranging the following structures to be described later, as shown in Figs. 1 and 2. Preferably, the main body 100 has a hollow hexahedral shape, Preferably in the form of a cube, of 20 cm width x 20 cm length x 20 cm height, but is not limited thereto. The main body 100 is preferably made of a material similar to the tissue density of the human body without affecting the magnetic field. For example, an acrylic material may be used, but the present invention is not limited thereto.

As shown in FIG. 3, the protrusions 200 are formed on three orthogonal planes including the upper surface of the main body 100 to have the same diameter It has a cylindrical shape and can be positioned at regular intervals on the upper surface. Therefore, when the magnetic resonance images are acquired by the respective protrusions 200, it can be confirmed whether the protrusions 200 can be clearly distinguished from each other through the acquired images. That is, when the main body 100 is filled with water, data obtained from three orthogonal planes can be analyzed to evaluate image distortion, and the axial, coronal, and sagittal planes of the magnetic resonance image sagittal) direction space information.

The injector 300 is configured to inject a liquid into a phantom device for level management of a MRI image-guided radiotherapy apparatus according to an embodiment of the present invention to acquire a magnetic resonance image. FIG. 4 is a view showing a state where a phantom device for level management of a MRI image-guiding radiotherapy apparatus according to an embodiment is filled with a liquid, wherein the liquid is preferably water. 4, the injection unit 300 is formed through the side wall of the main body 100, and water can be introduced into the main body 100 through the injection unit 300. After the injection, It is possible to prevent the liquid (water) injected during the acquisition of the magnetic resonance image from being discharged to the outside of the main body 100 by closing the opening of the injection unit 300.

5, the ion chamber accommodating part 400 is formed to accommodate an ion chamber (not shown) for measuring the absolute amount of radiation, and is formed on the side wall of the body part 100, Provide a space for inserting the chamber. That is, it is a tubular space having a circular cross section into which a known ion chamber can be inserted. The tubular space can be horizontally extended to the inside of the main body 100, and preferably extended to a length of 10 to 17 cm. The ion chamber accommodating part 400 is preferably disposed at a center from the lower side of the side surface of the body surface 100, more preferably 10 cm from the lower side of the side surface and 5 cm from the right side.

As shown in FIG. 2, the pedestal 500 is configured to support the main body 100. The pedestal 500 separates the main body 100 from the ground at a predetermined distance, 100) can be adjusted. Thus, the main body 100 can be prevented from shaking back and forth, left and right, thereby preventing external influences that may affect the magnetic resonance image.

According to another aspect of the present invention, a phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention includes a virtual isocenter of a room laser alignment system, FIG. 6 is a perspective view of a phantom device for managing the quality of a MRI image-guiding radiotherapy apparatus according to another embodiment of the present invention, and FIG. FIG. 7 is an exploded perspective view of a phantom device for quality control of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention.

6 and 7, the phantom device for managing the quality of a MRI image-guided radiotherapy apparatus according to another embodiment of the present invention includes a first body 600, a second body 700, And a radiation sensitive film 800 and may further comprise a supply part 900, a support 1000, and a grating groove 1100.

The first body part 600 and the second body part 700 correspond to the body part 100 of the phantom device for the quality control of the MRI image radiotherapy apparatus according to the embodiment of the present invention , And the following structures to be described later are arranged to verify the quality of the image and radiation. For this, as shown in FIGS. 6 and 7, it is preferable that the interior has a hollow hexahedral shape, and it may be manufactured with a height of 10 cm width × 20 cm length × 20 cm, but is not limited thereto . Also, it is preferable that the first body portion 600 and the second body portion 700 also use a material similar to the tissue density of the human body without affecting the magnetic field. For example, acrylic material can be used, It is not.

The first body portion 600 includes a fastening portion 610 formed on one side wall and coupled to the second body portion 700. The second body portion 700 is formed on one side wall, And a coupling groove 710 for coupling with the body portion 700. [ That is, the first body portion 600 and the second coupling portion 700 can be firmly coupled by fastening the fastening portion 610 and the fastening groove 710, which are formed at positions facing each other. Furthermore, the liquid can be received in the first and second body portions 600 and 700, and the liquid can be injected through the supply portion 900 to be described later. In this case, it is preferable to use water as the liquid.

As shown in FIGS. 6 and 7, the radiation-sensitive film 800 includes a first body portion 600 and a second body portion 600, (Not shown). That is, the first body portion 600 and the second body portion 700 are coupled through the coupling between the coupling portion 610 and the coupling groove 710, and the radiation sensitive film 800 is closely contacted . By confirming the flatness, symmetry, and radiation field size of the radiation beam, it is possible to confirm the accurate radiation dose distribution during the radiation treatment.

The supply unit 900 corresponds to the injection unit 300 in the phantom apparatus for the quality control of the MRI image guidance radiotherapy apparatus according to the embodiment of the present invention. 8, the supply unit 900 is provided on the side walls of the first and second main body parts 600 and 700, respectively, to receive a magnetic resonance image by injecting a liquid into the apparatus. The liquid may be introduced into the first and second body parts 600 and 700 through the first body part 600 and the second body part 700, And can be prevented from being discharged to the outside.

6 and 7, the support 1000 corresponds to the support 500 in the phantom device for the degree management of the MRI image-guided radiotherapy apparatus according to the embodiment of the present invention, , The first and second body portions 600 and 700 may be spaced apart from the ground by a predetermined distance and the first and second body portions 600 and 700 may be horizontally spaced apart from the ground.

As shown in FIGS. 6 and 7, the first and second main body parts 600 and 700 are formed by arranging the first and second main body parts 600 and 700, respectively, But may be positioned in a straight line crossing the center of the upper and lower surfaces and the three outer sides, except for the connecting surfaces abutting each other. Upon radiotherapy through the lattice grooves 1100, an accurate patient set-up system can be ascertained with respect to the horizontal extent of the couch.

Meanwhile, the phantom device for the quality control of the MRI image-guiding radiotherapy apparatus according to the present invention may perform various quality management items of various kinds of radiotherapy apparatuses in addition to the MRI image-guided radiotherapy apparatus. Herein, the radiation therapy apparatus may be, but not limited to, a radiation therapy apparatus that is directed to computed tomography (CT), single photon imaging (SPECT) or positron emission tomography (PET).

In the present invention, "computed tomography (CT)" is an inspection method for acquiring an image on the cross section of a human body using X-rays and using it for diagnosis.

In the present invention, "single photon imaging (SPECT)" is a method of obtaining a tomographic image of a living body after administering a tracer capable of observing biochemical and functional states such as brain perfusion, cardiac perfusion and bone metabolism, And the gamma ray emitted from the radionuclide located at the region of interest to be diagnosed is used as an expression mechanism to obtain an image. Therefore, it is possible to acquire an image by injecting a solution containing a radioisotope into a phantom device for the quality control of the radiotherapy apparatus according to the present invention.

In the present invention, "positron emission tomography (PET)" is a nuclear medicine imaging method in which a physiochemical and functional image of a human body is obtained in three dimensions using a radiopharmaceutical that emits positron. This is a device that can be used to check on the screen that the part consumes more glucose than the other parts. The PET is obtained by injecting a liquid isotope into a blood vessel and obtaining an image using the radiation emitted from the radioisotope. It shows the degree of metabolic activity of sugar, oxygen and protein that cause body changes, so that abnormal signs can be detected early I will. Therefore, it is possible to acquire an image by injecting a solution containing a radioisotope into a phantom device for the quality control of the radiotherapy apparatus according to the present invention.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100: main body 200: protrusion
300: injection part 310:
400: ion chamber 500: pedestal
600: first main body part 610: fastening part
700: second main body part 710: fastening groove
800: radiation sensitive film 900: supply part
1000: Support 1100: Grid groove

Claims (12)

A phantom device for quality control of a magnetic resonance imaging radiation therapy apparatus,
A main body 100 having a hollow hexahedral shape;
A protrusion 200 protruding from the inner wall of the main body 100 at a predetermined interval;
An injection unit 300 formed on the side wall of the main body 100 and capable of supplying liquid into the main body 100; And
And an ion chamber accommodating part (400) formed on a side wall of the main body part (100) for providing a space through which the ion chamber can be inserted. A phantom for quality control of a magnetic resonance imaging radiotherapy apparatus Device. The apparatus according to claim 1,
Further comprising a pedestal (500) for separating the main body part (100) from the ground and adjusting the level of the main body part (100) Device. 2. The apparatus according to claim 1, wherein the main body (100)
Characterized in that the apparatus is made of acrylic material. 2. The apparatus of claim 1, wherein the injection unit (300)
Further comprising a stopper (310) for sealing the opening of the injection unit (300). The apparatus according to claim 1,
Is characterized in that it is used for the quality control of a radiotherapeutic apparatus derived from any one selected from the group consisting of magnetic resonance imaging (MRI), computed tomography (CT), single photon imaging (SPECT) and positron emission tomography (PET) A phantom device for quality control of magnetic resonance imaging radiation therapy devices. A phantom device for quality control of a magnetic resonance imaging radiation therapy apparatus,
A first body part 600 and a second body part 700 having an inner hollow body shape;
And a radiation sensitive film (800) disposed between the first and second body parts (600, 700) and capable of measuring a radiation dose distribution. A phantom device for. 7. The apparatus according to claim 6,
Further comprising a supply part (900) formed through the side walls of the first and second body parts (600, 700) and capable of supplying liquid into the first and second body parts (100) A phantom device for quality control of resonance image guided radiotherapy apparatus. 7. The apparatus according to claim 6,
Further comprising a support 1000 for separating the first and second body portions 600 and 700 from the ground and adjusting the level of the first and second body portions 600 and 700 , Phantom device for the quality control of magnetic resonance image guided radiotherapy device. 7. The apparatus according to claim 6,
The apparatus according to claim 1, further comprising lattice grooves (1100) formed at the center of the upper and lower surfaces and the three outer surfaces of the first and second body parts (600, 700) Phantom device. The magnetic resonance imaging apparatus according to claim 6, wherein the first body part (600) comprises a coupling part (610) formed on one side wall for coupling with the second body part (700) A phantom device for quality control of treatment devices. The magnetic resonance imaging apparatus according to claim 6, wherein the second body part (700) comprises a coupling groove (710) formed on a side wall for coupling with the first body part (600) A phantom device for quality control of treatment devices. 7. The apparatus according to claim 6,
Is characterized in that it is used for the quality control of a radiotherapeutic apparatus derived from any one selected from the group consisting of magnetic resonance imaging (MRI), computed tomography (CT), single photon imaging (SPECT) and positron emission tomography (PET) A phantom device for quality control of magnetic resonance imaging radiation therapy devices.
KR1020160017945A 2016-02-16 2016-02-16 Phantoms for Quality Assurance of Magnetic Resonance Image Guided Radiation Therapy Machine KR101777499B1 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US12070623B2 (en) 2018-10-12 2024-08-27 Elekta Ltd. Quality assurance for MR-Linac

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KR200347702Y1 (en) * 2004-01-13 2004-04-13 학교법인 가톨릭학원 Phantom for verification of accuracy of HDR brachytherapy planning and Phantom device having the phantom
KR200427116Y1 (en) * 2006-07-11 2006-09-20 가톨릭대학교 산학협력단 Holder device for analysis dosimeter
KR101501408B1 (en) * 2014-02-13 2015-03-12 가톨릭대학교 산학협력단 Voxel-based block phantom for multi functional radiation detection

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Publication number Priority date Publication date Assignee Title
US12070623B2 (en) 2018-10-12 2024-08-27 Elekta Ltd. Quality assurance for MR-Linac

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