WO2024106762A1 - Dispositif d'imagerie radiographique - Google Patents

Dispositif d'imagerie radiographique Download PDF

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Publication number
WO2024106762A1
WO2024106762A1 PCT/KR2023/015879 KR2023015879W WO2024106762A1 WO 2024106762 A1 WO2024106762 A1 WO 2024106762A1 KR 2023015879 W KR2023015879 W KR 2023015879W WO 2024106762 A1 WO2024106762 A1 WO 2024106762A1
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WO
WIPO (PCT)
Prior art keywords
module
radiation
gantry
imaging device
driving unit
Prior art date
Application number
PCT/KR2023/015879
Other languages
English (en)
Korean (ko)
Inventor
최진욱
이인재
이강훈
이두용
정윤수
이행화
이정도
강산
이윤지
Original Assignee
주식회사 덴티움
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 주식회사 덴티움 filed Critical 주식회사 덴티움
Publication of WO2024106762A1 publication Critical patent/WO2024106762A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/589—Setting distance between source unit and patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0478—Chairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis

Definitions

  • the present invention relates to a radiation imaging device used to obtain a radiation image of an object.
  • an X-ray imaging device radiates X-rays to an object and analyzes the X-rays that pass through the object to determine the internal structure of the object. Since the penetrability of X-rays varies depending on the tissues that make up the object, the internal structure of the object can be imaged using the attenuation coefficient that quantifies this.
  • X-ray imaging devices can be divided into simple X-ray imaging devices that transmit X-rays from one direction and CT (Computed Tomography) devices that transmit X-rays from multiple directions and reconstruct images with a computer.
  • CT Computer Tomography
  • the X-ray imaging device After the distance to the object is set, the X-ray imaging device cannot change the distance. Therefore, it was difficult to photograph an object with a wider area than the standard object at once.
  • One object of the present invention is to provide a radiation imaging device that can perform CT imaging of an object while also imaging a large part of the object at once.
  • a detection module for detecting an object is further included, and the control module may control the driving module so that the gantry module moves horizontally to adjust the distance to the object based on the detection result of the detection module.
  • control module may control the driving module to rotate and move the source unit to be positioned corresponding to the object, based on the detection result of the detection module.
  • the driving module includes a vertical driving unit formed to move up and down along the support module; and a horizontal driving unit that connects the vertical driving unit and the gantry module and drives the gantry module in a horizontal direction from the vertical driving unit.
  • the support module includes a base; a pair of posts disposed along a vertical direction on the base; and a handle connecting the pair of posts, and the gantry module may be disposed between the pair of posts.
  • the driving module may include a handle driving unit installed on the post and lifting and driving the handle.
  • the handle driving unit includes a loop-shaped cover band to which the handle is connected and disposed along the height direction of the post; and a pair of rollers installed on the post to be spaced apart along the height direction and rotatably supporting the cover band, wherein the cover band may be arranged to form a part of the outer surface of the post.
  • the gantry module includes a donut-shaped housing, and the support module may further include a footrest detachably mounted on the base so as to be disposed in a hollow portion of the housing.
  • the support module may further include a chair detachably disposed on the base.
  • the gantry module on which the radiation module is rotatably installed can not only move vertically but also move horizontally by the drive module to adjust the distance to the object, thereby performing CT on the object.
  • FIG. 1 is a perspective view of a radiation imaging device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the radiation imaging device of FIG. 1.
  • FIG. 3 is a conceptual cross-sectional view showing the gantry module and radiation module of FIG. 1.
  • Figure 4 is a cross-sectional view showing the gantry module of Figure 3 in a horizontally moved state.
  • Figure 5 is a perspective view showing a configuration in which a chair is applied to the support module of Figure 1.
  • FIG. 1 is a perspective view of a radiation imaging device according to an embodiment of the present invention.
  • the radiation imaging apparatus 100 may include a support module 110, a gantry module 120, and a driving module 150.
  • the support module 110 is a basic structure on which the gantry module 120 and the like are installed.
  • the support module 110 may specifically include a base 111, a post 113, and a handle 115.
  • the base 111 may be a plate generally parallel to the floor.
  • the base 111 may be formed to extend long to the left and right in the drawing.
  • a footrest 112 may be detachably installed on the base 111. The footrest 112 can be used when photographing short children, etc.
  • the post 113 is installed on the base 111 along the height direction. One end of the post 113 is supported on the base 111, and the other end is directed toward the air.
  • the posts 113 may be provided in pairs and placed one at a time on both edges of the base 111.
  • the handle 115 is arranged to connect a pair of posts 113.
  • the handle 115 may be an object, for example, an object that a person holds with his hand or places his arm on.
  • the handle 115 also connects the pair of posts 113, enhancing their structural stability.
  • the gantry module 120 is the object on which the radiation module 130 (see FIG. 2), which will be described later, is mounted.
  • the gantry module 120 has a donut-shaped housing 121. An object may be located in the hollow portion 125 of the housing 121. If the scaffold 112 is provided, the scaffold 112 may also be located in the hollow portion 125.
  • the gantry module 120 is disposed between a pair of posts 113.
  • the driving module 150 is configured to drive the gantry module 120, the radiation module 130, and the handle 115. By operating the driving module 150, the gantry module 120 can move vertically or horizontally. By operating the driving module 150, the radiation module 130 can rotate.
  • the radiation module 130 can acquire radiation data about the person while the target person is standing in the hollow part 125 of the gantry module 120.
  • data reflecting the deformation due to body weight on joints can be obtained.
  • the gantry module 120 may move vertically or horizontally by the operation of the driving module 150, and the radiation module 130 may also move rotationally. As the gantry module 120 moves vertically and the radiation module 130 moves rotationally, the radiation imaging apparatus 100 can perform CT imaging.
  • the radiation module 130 (specifically, its source unit 131, see FIG. 2) can move closer to or farther away from the subject area of the subject.
  • the radiation data may be data enlarged from a specific part of a person.
  • FIG. 2 is a block diagram of the radiation imaging device of FIG. 1.
  • the radiation imaging device 100 may further include a radiation module 130, a control module 140, a detection module 160, and a display module 170.
  • the radiation module 130 is configured to acquire radiation data about an object by irradiating radiation. This may specifically include a source unit 131 and a detection unit 135.
  • the source unit 131 is configured to generate radiation and irradiate it to an object. Radiation refers to a collection of energy in the form of particles or electromagnetic waves emitted when unstable radionuclides are converted into stable nuclides.
  • the source unit 131 may have, for example, an X-ray tube. When high voltage is applied to the anode and cathode of an X-ray tube, hot electrons are accelerated and collide with the target material of the anode, thereby generating X-rays.
  • the detection unit 135 is configured to acquire radiation data by detecting radiation that has passed through the object.
  • the source unit 131 and the detection unit 135 may be arranged to correspond to each other based on the center of the housing 121. These 131 and 135 may also be configured to be rotatably movable together or individually within the housing 121 .
  • the control module 140 controls the radiation module 130, the driving module 150, the detection module 160, and the display module 170. For example, the control module 140 may reconstruct the radiation data acquired by the detection unit 135 to generate an image of the object. The control module 140 may also control the operation of the driving module 150 based on the detection result of the detection module 160.
  • the driving module 150 is configured to drive the gantry module 120 and the like.
  • the driving module 150 may specifically include a gantry driving unit 151, a radiation module driving unit 153, and a handle driving unit 155.
  • the gantry driving unit 151 is a component that drives the gantry module 120 for vertical and horizontal movement of the gantry module 120.
  • a vertical driving unit (not shown) for vertical movement of the gantry module 120 may be installed inside the post 113.
  • the vertical driving unit may have a portion that moves up and down along the post 113. Elevation of the corresponding part can be achieved by a linear motion mechanism such as a ball screw or linear guide.
  • a horizontal driving unit 152 (FIG. 1) connecting the vertical driving unit and the gantry module 120 may be provided.
  • the horizontal drive unit 152 is also a linear motion mechanism and may include, for example, a cylinder.
  • the gantry module 120 is connected to the moving part of the cylinder, and the gantry module 120 can move in the horizontal direction according to the operation of the cylinder.
  • the radiation module driving unit 153 is configured to drive the radiation module 130 to rotate within the gantry module 120.
  • the radiation module driving unit 153 may include a donut-shaped plate on which the radiation module 130 is mounted and a rail (not shown) that moves the radiation module 130 along a circular trajectory.
  • the plate may form part of the outer surface of the gantry module 120.
  • the handle driving unit 155 is configured to drive the handle 115 up and down along the vertical direction.
  • the handle driving unit 155 may be installed on the post 113.
  • the handle driving unit 155 may specifically include a cover band 157 (FIG. 1) and a pair of rollers (not shown).
  • the cover band 157 is arranged along the height direction of the post 113 and may be arranged to form a part of the outer surface of the post 113.
  • the cover band 157 has a loop shape, and the surface exposed to the outside can be connected to the handle 115.
  • the rollers are installed spaced apart along the height direction within the post 113 and can rotatably support the cover band 157.
  • the cover band 157 rotates along a loop-shaped trajectory while being supported by a pair of rollers as the handle 115 rises and falls. By using this cover band 157, it is possible to structurally prevent safety accidents such as the user's hand being caught in the passage through which the handle 115 is raised and lowered.
  • the detection module 160 is configured to detect an object.
  • the detection module 160 can detect the presence of an object and the distance to the object.
  • the sensing module 160 may be located on a surface defining the hollow portion 125 in the housing 121 or close to the corresponding surface.
  • the display module 170 is configured to display an image of an object under the control of the control module 140.
  • FIG. 3 is a conceptual cross-sectional view showing the gantry module and the radiation module of FIG. 1
  • FIG. 4 is a cross-sectional view showing the gantry module of FIG. 3 in a horizontally moved state.
  • the source unit 131 and the detection unit 135 are located on opposite sides with respect to the object O. It is located in
  • the radiation irradiated from the source unit 131 passes through the object O and is detected by the detection unit 135.
  • the radiation data D acquired by the detection unit 135 is processed by the control module 140.
  • the control module 140 rotates and moves the radiation module 130 so that the source unit 131 corresponds to the part of the object O that is to be enlarged and photographed. You can do it.
  • the rotational movement is achieved by the control module 140 controlling the operation of the radiation module driving unit 153.
  • the control module 140 may also control the gantry module 120 to move horizontally along the lateral movement direction S based on the distance information to the object O' obtained from the detection module 160.
  • the horizontal movement is achieved by the control module 140 controlling the operation of the horizontal driving unit 152 of the gantry driving unit 151.
  • the source unit 131 can retreat from the object O' and photograph a wide portion of the object O'. If radiography is performed in that state, the detection unit 135 can obtain radiation data D'.
  • the object O' is a wide part of the body of the person being photographed, and may be, for example, the shoulder area. In contrast, the previous object O may be the leg of the person being photographed.
  • control module 140 When attempting to move the gantry module 120 vertically, the control module 140 also controls the gantry module 120 in the lateral movement direction (S) so that the center of the gantry module 120 coincides with the center of the object (O). It can be moved horizontally in the opposite direction.
  • Figure 5 is a perspective view showing the configuration of a chair applied to the support module of Figure 1.
  • the support module 110 may further include a chair 117.
  • the chair 117 may be detachably disposed on the base 111.
  • the chair 117 helps photograph the shoulder joint while a person is sitting. Since the gantry module 120 can only rise to the level of the lumbar spine when a person is standing, it is useful to provide a chair 117 for shoulder imaging.
  • the above-described radiation imaging device is not limited to the configuration and operating method of the embodiments described above.
  • the above embodiments may be configured so that various modifications can be made by selectively combining all or part of each embodiment.
  • the present invention has industrial applicability in the field of manufacturing radiation imaging devices.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

La présente invention concerne un dispositif d'imagerie radiographique comprenant : un module de support ; un module de portique installé sur le module de support pour pouvoir se déplacer verticalement et horizontalement ; un module de rayonnement installé de manière rotative sur le module de portique, le module de rayonnement comprenant une unité de source configurée pour irradier une cible, et une unité de détection configurée pour détecter un rayonnement qui a traversé la cible, ce qui permet d'acquérir des données de rayonnement ; un module de commande configuré pour reconfigurer les données de rayonnement acquises par l'unité de détection, générant ainsi une image de la cible ; et un module d'entraînement configuré pour faire tourner le module de rayonnement sous la commande du module de commande et pour déplacer le module de portique verticalement et horizontalement.
PCT/KR2023/015879 2022-11-15 2023-10-13 Dispositif d'imagerie radiographique WO2024106762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0152385 2022-11-15
KR1020220152385A KR20240070912A (ko) 2022-11-15 2022-11-15 방사선 영상장치

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WO2024106762A1 true WO2024106762A1 (fr) 2024-05-23

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008142695A1 (fr) * 2007-05-24 2008-11-27 P-Cure Ltd. Appareil et methode de traitement par irradiation
KR20120097563A (ko) * 2011-02-25 2012-09-05 이화여자대학교 산학협력단 엑스선 ｃｔ촬영 장치
KR20140058045A (ko) * 2012-11-06 2014-05-14 삼성전자주식회사 방사선 영상촬영장치 및 그 제어방법
KR101941688B1 (ko) * 2017-05-12 2019-01-23 강원대학교 산학협력단 방사선 촬영용 균형자세 보조장치
JP2022170450A (ja) * 2021-04-28 2022-11-10 富士フイルム株式会社 医用画像撮影装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008142695A1 (fr) * 2007-05-24 2008-11-27 P-Cure Ltd. Appareil et methode de traitement par irradiation
KR20120097563A (ko) * 2011-02-25 2012-09-05 이화여자대학교 산학협력단 엑스선 ｃｔ촬영 장치
KR20140058045A (ko) * 2012-11-06 2014-05-14 삼성전자주식회사 방사선 영상촬영장치 및 그 제어방법
KR101941688B1 (ko) * 2017-05-12 2019-01-23 강원대학교 산학협력단 방사선 촬영용 균형자세 보조장치
JP2022170450A (ja) * 2021-04-28 2022-11-10 富士フイルム株式会社 医用画像撮影装置

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