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WO2017090992A1 - X-ray image capturing device having plurality of x-ray sources and sensors - Google Patents

X-ray image capturing device having plurality of x-ray sources and sensors Download PDF

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Publication number
WO2017090992A1
WO2017090992A1 PCT/KR2016/013588 KR2016013588W WO2017090992A1 WO 2017090992 A1 WO2017090992 A1 WO 2017090992A1 KR 2016013588 W KR2016013588 W KR 2016013588W WO 2017090992 A1 WO2017090992 A1 WO 2017090992A1
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Prior art keywords
ray
case
imaging apparatus
patient
image
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Ceased
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PCT/KR2016/013588
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French (fr)
Korean (ko)
Inventor
김태우
김영균
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Vatech Co Ltd
Vatech Ewoo Holdings Co Ltd
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Vatech Co Ltd
Vatech Ewoo Holdings Co Ltd
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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
    • 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]

Definitions

  • the present invention relates to an X-ray imaging apparatus, and more particularly, to an X-ray imaging apparatus capable of acquiring a panoramic image and a CT image of a patient without rotating the X-ray source and sensor by providing a plurality of X-ray sources and sensors. .
  • the dental X-ray imaging apparatus is an imaging apparatus for acquiring X-ray images by radiating X-rays to the head of a patient.
  • FIG. 1 illustrates a general X-ray imaging apparatus.
  • a conventional X-ray imaging apparatus 10 may include an X-ray source 11 and an X-ray source for radiating X-rays toward a patient 20. And an X-ray sensor 12 provided opposite to 11 and receiving an X-ray passing through the patient 20 to obtain an X-ray image.
  • the conventional X-ray imaging apparatus 10 further includes a rotating arm for supporting the X-ray source 11 and the X-ray sensor 12 and rotating about the rotation center c. .
  • the rotary arm is for taking a panoramic image or a CT (computed tomography) image of the patient 20 and rotates while the X-ray source 11 and the X-ray sensor 12 face each other and are in different directions. It serves to take a picture of the patient (20).
  • CT computed tomography
  • the conventional X-ray photographing apparatus 10 takes a long time to shoot because the X-ray source 11 and the X-ray sensor 12 must be mechanically rotated to acquire a panoramic image or a CT image. There is a problem of becoming complicated.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an X-ray imaging apparatus capable of acquiring a panoramic image and a CT image of a patient without mechanically rotating the X-ray source and the X-ray sensor.
  • an object of the present invention is to provide an X-ray imaging apparatus that can reduce the manufacturing cost because the mechanical configuration is simple even if a plurality of X-ray sources.
  • the present invention to achieve the above object is an annular case which can position the head of the patient on the inside; A plurality of X-ray sources provided radially spaced apart from each other in the case and radiating X-rays to the patient; And a plurality of X-ray sensors provided at a position facing the X-ray sources from the outside of the case, respectively, and receiving the X-rays passing through the patient to obtain an X-ray image.
  • the X-ray source provides an X-ray imaging apparatus, characterized in that mounted in the vacuum space.
  • the case is a single case in which the internal space is in communication with one, the vacuum space is one vacuum space.
  • the case is composed of a plurality of cases the inner space is separated from each other, the vacuum interval may be a plurality of vacuum spaces independent from each other.
  • each of the X-ray sources operates in synchronization with an opposing X-ray sensor, and at least one of the X-ray images is sequentially 'on' according to a predetermined photographing sequence to photograph the X-ray image.
  • each of the X-ray sources may operate in synchronization with an opposing X-ray sensor, and may be 'on' to simultaneously photograph the X-ray image.
  • the case includes a support for supporting the case on the floor or the wall.
  • the case further includes at least one camera provided in the case to obtain a visible light image by capturing the head of the patient.
  • the present invention has the following excellent effects.
  • the X-ray imaging apparatus of the present invention by providing a plurality of X-ray source and sensor in the case facing each other, there is an advantage that can obtain a panoramic image and CT image of the patient without rotating the X-ray source or sensor .
  • the X-ray imaging apparatus of the present invention by providing an annular case inner space as a vacuum space and directly installing the X-ray emitting element inside the case, the X-ray source can be radially positioned with a simple structure.
  • the X-ray imaging apparatus of the present invention by separating the inner space of the case into a plurality of vacuum space, there is an advantage that can maintain the X-ray source or X-ray sensor without breaking the vacuum of the entire case.
  • FIG. 1 is a view showing a general X-ray imaging apparatus
  • FIG. 2 is a view illustrating an X-ray imaging apparatus according to an embodiment of the present invention
  • FIG. 3 is a plan view of an X-ray imaging apparatus according to an embodiment of the present invention.
  • FIG. 4 is a view showing an X-ray imaging apparatus according to another embodiment of the present invention.
  • cathode 130 X-ray sensor
  • FIG. 2 is a diagram illustrating an X-ray imaging apparatus according to an embodiment of the present invention
  • FIG. 3 is a plan view of the X-ray imaging apparatus according to an embodiment of the present invention.
  • the X-ray imaging apparatus 100 includes a case 110, an X-ray source 120, and an X-ray sensor 130.
  • the case 110 is an annular case in which an empty space is formed at the center portion so as to position the head of the patient 20 inward.
  • the inner space of the case 110 is provided as a single vacuum space (v).
  • vacuum space v is a space for directly installing the X-ray emitting element of the X-ray source 120 to be described below in the case 110.
  • the X-ray source 120 is an X-ray generator that generates and irradiates X-rays and includes a plurality of X-ray sources 120 spaced apart from each other.
  • the X-ray sources 120 are radially spaced apart from each other with respect to the head of the patient 20, and are positioned to face the head of the patient 20.
  • the X-ray sources 120 may each be provided as a CNT x-ray tube (CNT x-ray tube) using a nano-structure material such as carbon nanotubes (CNT: Carbon nanotube) as the emitter of the cathode have.
  • CNT Carbon nanotube
  • the CNT X-ray tube is a field emission type X-ray generator, the electron emission amount is high and can be driven at a low voltage compared to the conventional thermal electron emission method using a tungsten filament.
  • the CNT X-ray tube since the CNT X-ray tube does not require a warm-up time, the CNT X-ray tube can shorten the photographing time and realize cold cathode-based X-ray imaging.
  • the CNT X-ray tube is an anode 121 including an emitter including an emitter in a field emission method and a target for emitting X-rays due to collision of electrons emitted from the cathode 122 with electrons emitted from the cathode 122. It is configured, the cathode 122 and the anode 121 should be located in the vacuum space.
  • anode 121 and the cathode 122 of the CNT X-ray tube may be directly installed in the case 110 to function as the X-ray source 120, there is no need for a separate vacuum case.
  • a plurality of cathodes 122 and X-ray emitting elements of the anode 121 for emitting X-rays are provided inside the case 110 and are radially spaced apart from each other.
  • the X-ray sensor 130 is an image acquisition device provided on the outer surface of the inner circumference of the case 110 to receive X-rays transmitted through the patient 20 to obtain an X-ray image.
  • a groove in which the X-ray sensor 130 may be inserted and mounted may be formed on an inner circumferential outer surface of the case 110, and the X-ray sensor 130 may be mounted in the groove.
  • the X-ray sensor 130 is coupled to the shape of being attached to the surface of the case 110 without being exposed to the vacuum space (v) of the case 110.
  • the X-ray sensor 130 may be an indirect X-ray sensor composed of a scintillator and a photovoltaic panel, such as selenium and cadmium (Zinc) Telluride semiconductor. It may be a direct X-ray sensor for detecting the direct X-rays.
  • an indirect X-ray sensor composed of a scintillator and a photovoltaic panel, such as selenium and cadmium (Zinc) Telluride semiconductor. It may be a direct X-ray sensor for detecting the direct X-rays.
  • the X-ray sensor 130 is positioned to face the X-ray source 120 at a position facing the respective X-ray sources 120.
  • the X-ray sensor 130 is provided with a plurality of X-ray sensors 130 corresponding to the number of X-ray sources 120, and the inside of the case 110 to face the X-ray sources 120. Is provided radially.
  • the X-ray sensor 130 may be located between each of the X-ray sources 120.
  • the X-ray sensors 130 operate in synchronization with the opposing X-ray source 120.
  • the imaging pairs are sequentially As it is 'on' the patient 20 can be taken in different directions.
  • the photographing pairs may photograph CT images by sequentially photographing all photographing pairs according to a predetermined photographing sequence, and only some photographing pairs may sequentially photograph 'on' photographing panoramic images.
  • all the pairs of photographing may be 'on' at the same time to perform X-ray imaging.
  • a panoramic image and a CT image may be obtained without rotating the X-ray source 120 and the X-ray sensor 130.
  • the X-ray imaging apparatus 100 may further include a support for supporting the case 110 on the floor or the wall, and the support is the case 110. May move in the space so that the head of the patient 20 is located in the inner space of the case 110.
  • case 110 or the predetermined portion of the support may further include a plurality of cameras for acquiring three-dimensional visible light images by photographing the head (face) of the patient 20 in different directions. have.
  • the visible light image may be used to align the case 110, and by effectively displaying the X-ray images obtained by the X-ray sensors 130, effective treatment may be possible.
  • the X-ray imaging apparatus 200 includes a case 210 and an X-ray source 120. And an X-ray light source 130.
  • the X-ray source 120 and the X-ray light source 130 are substantially the same as the X-ray source 120 and the X-ray light source 130 of the X-ray imaging apparatus 100 according to an embodiment of the present invention, description thereof is omitted. do.
  • the case 210 of the X-ray imaging apparatus 200 has a single vacuum space compared to the case 110 of the X-ray imaging apparatus 100 according to the embodiment of the present invention. It may be divided into a plurality of vacuum spaces (v1, v2, v3, v4) rather than the vacuum space.
  • case 210 may be configured as one annular case by combining a plurality of arc-shaped cases 211, 212, 213, and 214, and each arc case 211, 212, 213, 214 has a single vacuum space (v1, v2, v3, v4). ) Is provided.
  • a plurality of X-ray sources 120 and a plurality of X-ray sensors 130 are provided inside the arc-shaped cases 211, 212, 213, and 214.
  • the X-ray imaging apparatus 200 has a failure in the X-ray source 120 or the X-ray sensor 130 as compared to the X-ray imaging apparatus 100 according to an embodiment of the present invention.
  • it is possible to replace or repair by breaking only the vacuum of any one arc-shaped case (211,212,213,214), there is an advantage that can be maintained without destroying the vacuum of the case 210 as a whole.
  • the X-ray imaging apparatus of the present invention may be used to acquire a medical panoramic image and a CT image of a patient.

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  • Life Sciences & Earth Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
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  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Dentistry (AREA)
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Abstract

The present invention relates to an x-ray image capturing device and, more particularly, to an x-ray image capturing device having a plurality of x-ray sources and sensors, and capable of acquiring a panoramic image and CT image of a patient without rotating the x-ray sources and sensors.

Description

복수의 엑스선 소스와 센서를 구비한 엑스선 촬영장치X-ray imaging device with multiple x-ray sources and sensors

본 발명은 엑스선 촬영장치에 관한 것으로, 보다 구체적으로는 복수의 엑스선 소스와 센서를 구비하여 상기 엑스선 소스와 센서가 회전하지 않고도 환자의 파노라마 영상 및 CT영상을 획득할 수 있는 엑스선 촬영장치에 관한 것이다.The present invention relates to an X-ray imaging apparatus, and more particularly, to an X-ray imaging apparatus capable of acquiring a panoramic image and a CT image of a patient without rotating the X-ray source and sensor by providing a plurality of X-ray sources and sensors. .

치과용 엑스선 촬영장치는 환자의 두부로 엑스선을 조사하여 엑스선 영상을 획득하기 위한 영상장치이다.The dental X-ray imaging apparatus is an imaging apparatus for acquiring X-ray images by radiating X-rays to the head of a patient.

도 1은 일반적인 엑스선 촬영장치를 보여주는 것으로, 도 1을 참조하면, 종래의 엑스선 촬영장치(10)는 엑스선(x-ray)을 환자(20)를 향해 조사하는 엑스선 소스(11) 및 상기 엑스선 소스(11)와 대향하여 구비되고, 환자(20)를 투과한 엑스선을 수광하여 엑스선 영상을 획득하는 엑스선 센서(12)를 포함하여 이루어진다.FIG. 1 illustrates a general X-ray imaging apparatus. Referring to FIG. 1, a conventional X-ray imaging apparatus 10 may include an X-ray source 11 and an X-ray source for radiating X-rays toward a patient 20. And an X-ray sensor 12 provided opposite to 11 and receiving an X-ray passing through the patient 20 to obtain an X-ray image.

또한, 도시하지는 않았으나, 종래의 엑스선 촬영장치(10)는 상기 엑스선 소스(11) 및 상기 엑스선 센서(12)를 지지하며, 회전중심(c)을 중심으로 하여 회전시키기 위한 회전암을 더 포함한다.In addition, although not shown, the conventional X-ray imaging apparatus 10 further includes a rotating arm for supporting the X-ray source 11 and the X-ray sensor 12 and rotating about the rotation center c. .

또한, 상기 회전암은 환자(20)의 파노라마 영상이나 CT(computed tomography) 영상을 촬영하기 위한 것으로 상기 엑스선 소스(11)와 상기 엑스선 센서(12)가 서로 대향한 상태에서 회전하며 서로 다른 방향에서 환자(20)를 촬영하게 하는 기능을 한다.In addition, the rotary arm is for taking a panoramic image or a CT (computed tomography) image of the patient 20 and rotates while the X-ray source 11 and the X-ray sensor 12 face each other and are in different directions. It serves to take a picture of the patient (20).

즉, 종래의 엑스선 촬영장치(10)는 파노라마 영상이나 CT영상의 획득을 위해 상기 엑스선 소스(11)와 상기 엑스선 센서(12)를 기계적으로 회전구동하여야 하므로 촬영시간이 오래 걸리고, 장치의 구조가 복잡해지는 문제점이 있다.That is, the conventional X-ray photographing apparatus 10 takes a long time to shoot because the X-ray source 11 and the X-ray sensor 12 must be mechanically rotated to acquire a panoramic image or a CT image. There is a problem of becoming complicated.

본 발명은 상술한 문제점을 해결하기 위해 안출된 것으로 본 발명의 목적은 엑스선 소스와 엑스선 센서의 기계적인 회전구동없이도 환자의 파노라마 영상 및 CT영상을 획득할 수 있는 엑스선 촬영장치를 제공하는 데 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an X-ray imaging apparatus capable of acquiring a panoramic image and a CT image of a patient without mechanically rotating the X-ray source and the X-ray sensor.

또한, 본 발명의 목적은 복수 개의 엑스선 소스를 포함하더라도 기구적인 구성이 간단하여 제작비용을 절감할 수 있는 엑스선 촬영장치를 제공하는 데 있다.In addition, an object of the present invention is to provide an X-ray imaging apparatus that can reduce the manufacturing cost because the mechanical configuration is simple even if a plurality of X-ray sources.

본 발명의 목적들은 이상에서 언급한 목적들로 제한되지 않으며, 언급되지 않은 또 다른 목적들은 아래의 기재로부터 당업자에게 명확하게 이해될 수 있을 것이다.The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

상기의 목적을 달성하기 위하여 본 발명은 내측에 환자의 두부를 위치시킬 수 있는 환형의 케이스; 상기 케이스의 내부에서 방사상으로 서로 이격되어 구비되고, 상기 환자에게 엑스선을 조사하는 복수 개의 엑스선 소스; 및 상기 케이스의 외부에서 상기 엑스선 소스들과 각각 대향하는 위치에 복수 개로 구비되고, 상기 환자를 투과한 엑스선을 수광하여 엑스선 영상을 획득하는 복수 개의 엑스선 센서;를 포함하고, 상기 케이스 내부는 진공공간으로 구비되고, 상기 엑스선 소스은 상기 진공공간에 실장되는 것을 특징으로 하는 엑스선 촬영장치를 제공한다.The present invention to achieve the above object is an annular case which can position the head of the patient on the inside; A plurality of X-ray sources provided radially spaced apart from each other in the case and radiating X-rays to the patient; And a plurality of X-ray sensors provided at a position facing the X-ray sources from the outside of the case, respectively, and receiving the X-rays passing through the patient to obtain an X-ray image. It is provided with, the X-ray source provides an X-ray imaging apparatus, characterized in that mounted in the vacuum space.

바람직한 실시예에 있어서, 상기 케이스는 내부공간이 하나로 연통된 단일의 케이스이고, 상기 진공공간은 하나의 진공공간이다.In a preferred embodiment, the case is a single case in which the internal space is in communication with one, the vacuum space is one vacuum space.

바람직한 실시예에 있어서, 상기 케이스는 내부 공간이 서로 분리된 복수의 케이스로 구성되고, 상기 진공곤간은 서로 독립된 복수의 진공공간일 수 있다.In a preferred embodiment, the case is composed of a plurality of cases the inner space is separated from each other, the vacuum interval may be a plurality of vacuum spaces independent from each other.

바람직한 실시예에 있어서, 상기 각 엑스선 소스는 대향하는 엑스선 센서와 서로 동기되어 동작하며, 소정의 촬영 시퀀스에 따라 적어도 하나가 순차적으로 '온'되어 상기 엑스선 영상을 촬영한다.In an exemplary embodiment, each of the X-ray sources operates in synchronization with an opposing X-ray sensor, and at least one of the X-ray images is sequentially 'on' according to a predetermined photographing sequence to photograph the X-ray image.

바람직한 실시예에 있어서, 상기 각 엑스선 소스는 대향하는 엑스선 센서와 서로 동기되어 동작하며, 동시에 '온'되어 상기 엑스선 영상을 촬영할 수 있다.In an exemplary embodiment, each of the X-ray sources may operate in synchronization with an opposing X-ray sensor, and may be 'on' to simultaneously photograph the X-ray image.

바람직한 실시예에 있어서, 상기 케이스를 바닥 또는 벽면에서 지지하는 지지대를 포함한다.In a preferred embodiment, the case includes a support for supporting the case on the floor or the wall.

바람직한 실시예에 있어서, 상기 케이스에 구비되고, 상기 환자의 두부를 촬영하여 가시광 영상을 획득하는 적어도 하나의 카메라를 더 포함한다.In a preferred embodiment, the case further includes at least one camera provided in the case to obtain a visible light image by capturing the head of the patient.

본 발명은 다음과 같은 우수한 효과를 가진다.The present invention has the following excellent effects.

먼저, 본 발명의 엑스선 촬영장치에 의하면, 케이스 내부에 복수 개의 엑스선 소스와 센서를 서로 대향하게 구비하여, 엑스선 소스나 센서를 회전시키지 않고도 환자의 파노라마 영상 및 CT영상을 획득할 수 있는 장점이 있다.First, according to the X-ray imaging apparatus of the present invention, by providing a plurality of X-ray source and sensor in the case facing each other, there is an advantage that can obtain a panoramic image and CT image of the patient without rotating the X-ray source or sensor .

또한, 본 발명의 엑스선 촬영장치에 의하면, 환형의 케이스 내부 공간을 진공공간으로 구비하고 엑스선 방출소자를 케이스 내부에 직접 설치함으로써 간단한 구조로 엑스선 소스를 방사상에 위치시킬 수 있는 장점이 있다.Further, according to the X-ray imaging apparatus of the present invention, by providing an annular case inner space as a vacuum space and directly installing the X-ray emitting element inside the case, the X-ray source can be radially positioned with a simple structure.

또한, 본 발명의 엑스선 촬영장치에 의하면, 케이스 내부 공간을 복수 개의 진공공간으로 분리함으로써, 케이스 전체의 진공을 파괴하지 않고도 엑스선 소스나 엑스선 센서를 유지보수할 수 있는 장점이 있다.In addition, according to the X-ray imaging apparatus of the present invention, by separating the inner space of the case into a plurality of vacuum space, there is an advantage that can maintain the X-ray source or X-ray sensor without breaking the vacuum of the entire case.

도 1은 일반적인 엑스선 촬영장치를 보여주는 도면,1 is a view showing a general X-ray imaging apparatus,

도 2는 본 발명의 일 실시예에 따른 엑스선 촬영장치를 도여주는 도면,2 is a view illustrating an X-ray imaging apparatus according to an embodiment of the present invention;

도 3은 본 발명의 일 실시예에 따른 엑스선 촬영장치의 평면도,3 is a plan view of an X-ray imaging apparatus according to an embodiment of the present invention;

도 4는 본 발명의 다른 실시예에 따른 엑스선 촬영장치를 보여주는 도면이다.4 is a view showing an X-ray imaging apparatus according to another embodiment of the present invention.

[부호의 설명][Description of the code]

100,200:엑스선 촬영장치 110,210:케이스100,200: X-ray photographing apparatus 110,210: Case

120:엑스선 소스 121:양극120: X-ray source 121: Anode

122:음극 130:엑스선 센서122: cathode 130: X-ray sensor

211,212,213,214:호형 케이스211,212,213,214: arc type case

본 발명에서 사용되는 용어는 가능한 현재 널리 사용되는 일반적인 용어를 선택하였으나, 특정한 경우는 출원인이 임의로 선정한 용어도 있는데 이 경우에는 단순한 용어의 명칭이 아닌 발명의 상세한 설명 부분에 기재되거나 사용된 의미를 고려하여 그 의미가 파악되어야 할 것이다.The terms used in the present invention were selected as general terms as widely used as possible, but in some cases, the terms arbitrarily selected by the applicant are included. In this case, the meanings described or used in the detailed description of the present invention are considered, rather than simply the names of the terms. The meaning should be grasped.

이하, 첨부한 도면에 도시된 바람직한 실시예들을 참조하여 본 발명의 기술적 구성을 상세하게 설명한다.Hereinafter, with reference to the preferred embodiments shown in the accompanying drawings will be described in detail the technical configuration of the present invention.

그러나, 본 발명은 여기서 설명되는 실시예에 한정되지 않고 다른 형태로 구체화 될 수도 있다. 명세서 전체에 걸쳐 동일한 참조번호는 동일한 구성요소를 나타낸다.However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Like numbers refer to like elements throughout the specification.

도 2는 본 발명의 일 실시예에 따른 엑스선 촬영장치를 도여주는 도면이고, 도 3은 본 발명의 일 실시예에 따른 엑스선 촬영장치의 평면도이다.2 is a diagram illustrating an X-ray imaging apparatus according to an embodiment of the present invention, and FIG. 3 is a plan view of the X-ray imaging apparatus according to an embodiment of the present invention.

도 2 및 도 3을 참조하면, 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)는 케이스(110), 엑스선 소스(120) 및 엑스선 센서(130)를 포함하여 이루어진다.2 and 3, the X-ray imaging apparatus 100 according to the exemplary embodiment of the present invention includes a case 110, an X-ray source 120, and an X-ray sensor 130.

상기 케이스(110)는 환자(20)의 두부를 내측에 위치시킬 수 있도록 중앙부에 빈 공간이 형성된 환형의 케이스이다.The case 110 is an annular case in which an empty space is formed at the center portion so as to position the head of the patient 20 inward.

또한, 상기 케이스(110)의 내부공간은 단일의 진공공간(v)으로 마련된다.In addition, the inner space of the case 110 is provided as a single vacuum space (v).

또한, 상기 진공공간(v)은 아래에서 설명할 엑스선 소스(120)의 엑스선 방출소자를 상기 케이스(110)의 내부에 직접 설치하기 위한 공간이다.In addition, the vacuum space v is a space for directly installing the X-ray emitting element of the X-ray source 120 to be described below in the case 110.

상기 엑스선 소스(120)는 엑스선을 발생시켜 조사하는 엑스선 발생장치로써, 서로 이격된 복수 개의 엑스선 소스들(120)로 구성된다.The X-ray source 120 is an X-ray generator that generates and irradiates X-rays and includes a plurality of X-ray sources 120 spaced apart from each other.

또한, 상기 엑스선 소스들(120)은 상기 환자(20)의 두부를 중심으로 방사상으로 서로 이격되어 구비되며, 상기 환자(20)의 두부를 바라보며 위치한다.In addition, the X-ray sources 120 are radially spaced apart from each other with respect to the head of the patient 20, and are positioned to face the head of the patient 20.

또한, 상기 엑스선 소스들(120)은 각각 탄소나노튜브(CNT:Carbon Nano Tube) 등의 나노구조물질을 음극의 에미터(emitter)로 이용하는 CNT 엑스선 튜브(CNT x-ray tube)로 구비될 수 있다.In addition, the X-ray sources 120 may each be provided as a CNT x-ray tube (CNT x-ray tube) using a nano-structure material such as carbon nanotubes (CNT: Carbon nanotube) as the emitter of the cathode have.

또한, 상기 CNT 엑스선 튜브는 전계방출방식의 엑스선 발생장치로 기존의 텅스턴 필라멘트를 이용하는 열전자 방출방식에 비해 전자 방출량은 높고 저 전압으로 구동이 가능하다.In addition, the CNT X-ray tube is a field emission type X-ray generator, the electron emission amount is high and can be driven at a low voltage compared to the conventional thermal electron emission method using a tungsten filament.

*또한, 상기 CNT 엑스선 튜브는 예열시간(Warm-up time)이 필요없으므로 촬영시간을 단축할 수 있고 냉음극 기반의 엑스선 영상촬영을 실현할 수 있다.In addition, since the CNT X-ray tube does not require a warm-up time, the CNT X-ray tube can shorten the photographing time and realize cold cathode-based X-ray imaging.

또한, 상기 CNT 엑스선 튜브는 전계방출 방식으로 에미터를 포함하고 전자를 방출하는 음극(122)과 상기 음극(122)에서 방출된 전자가 충돌하여 엑스선이 방출되는 타겟을 포함하는 양극(121)으로 구성되는데, 상기 음극(122)과 상기 양극(121)은 진공공간 내에서 위치하여야 한다.In addition, the CNT X-ray tube is an anode 121 including an emitter including an emitter in a field emission method and a target for emitting X-rays due to collision of electrons emitted from the cathode 122 with electrons emitted from the cathode 122. It is configured, the cathode 122 and the anode 121 should be located in the vacuum space.

즉, 상기 CNT 엑스선 튜브의 양극(121)과 음극(122)은 상기 케이스(110) 내에 직접 설치되어 엑스선 소스(120)로 기능할 수 있으므로 별도의 진공 케이스가 필요 없는 장점이 있다.That is, since the anode 121 and the cathode 122 of the CNT X-ray tube may be directly installed in the case 110 to function as the X-ray source 120, there is no need for a separate vacuum case.

다시 말해서, 상기 케이스(110) 내부에는 엑스선을 방출하기 위한 음극(122)과 양극(121)의 엑스선 방출소자가 복수 개로 구비되고, 서로 방사상으로 이격되어 위치한다.In other words, a plurality of cathodes 122 and X-ray emitting elements of the anode 121 for emitting X-rays are provided inside the case 110 and are radially spaced apart from each other.

상기 엑스선 센서(130)는 상기 케이스(110)의 내주의 외면에 구비되어 상기 환자(20)를 투과한 엑스선을 수광하여 엑스선 영상을 획득하는 영상 획득 장치이다.The X-ray sensor 130 is an image acquisition device provided on the outer surface of the inner circumference of the case 110 to receive X-rays transmitted through the patient 20 to obtain an X-ray image.

또한, 상기 케이스(110)의 내주 외면에는 상기 엑스선 센서(130)를 삽입하여 장착할 수 있는 홈이 형성되고, 상기 엑스선 센서(130)는 상기 홈에 장착된다.In addition, a groove in which the X-ray sensor 130 may be inserted and mounted may be formed on an inner circumferential outer surface of the case 110, and the X-ray sensor 130 may be mounted in the groove.

즉, 상기 엑스선 센서(130)는 상기 케이스(110)의 진공공간(v)에 노출되지 않고, 상기 케이스(110)의 표면에 끼워져 부착되는 형태로 결합한다.That is, the X-ray sensor 130 is coupled to the shape of being attached to the surface of the case 110 without being exposed to the vacuum space (v) of the case 110.

또한, 상기 엑스선 센서(130)는 신틸레이터(scintillator)와 광전패널로 구성되는 간접 방식의 엑스선 센서일 수 있고, 셀레늄(selenium), 카드뮴(징크)테룰라이드(Cadmium(Zinc)Telluride) 반도체와 같이 직접 엑스선을 검출하는 직접 방식의 엑스선 센서일 수 있다.In addition, the X-ray sensor 130 may be an indirect X-ray sensor composed of a scintillator and a photovoltaic panel, such as selenium and cadmium (Zinc) Telluride semiconductor. It may be a direct X-ray sensor for detecting the direct X-rays.

또한, 상기 엑스선 센서(130)는 상기 각 엑스선 소스들(120)과 대향하는 위치에서 엑스선 소스(120)를 바라보며 위치한다.In addition, the X-ray sensor 130 is positioned to face the X-ray source 120 at a position facing the respective X-ray sources 120.

즉, 상기 엑스선 센서(130)는 상기 엑스선 소스들(120)의 개수와 대응하는 복수 개의 엑스선 센서들(130)로 구비되고, 상기 엑스선 소스들(120)과 대향하여 상기 케이스(110)의 내부에서 방사상으로 구비된다.That is, the X-ray sensor 130 is provided with a plurality of X-ray sensors 130 corresponding to the number of X-ray sources 120, and the inside of the case 110 to face the X-ray sources 120. Is provided radially.

또한, 상기 엑스선 센서(130)는 상기 엑스선 소스들(120)의 각 사이에 위치할 수 있다.In addition, the X-ray sensor 130 may be located between each of the X-ray sources 120.

또한, 상기 각 엑스선 센서(130)는 대향하는 엑스선 소스(120)와 서로 동기되어 동작하는데, 하나의 엑스선 센서와 대향하는 하나의 엑스선 소스를 하나의 촬영 쌍이라고할 때, 상기 촬영 쌍들은 서로 순차적으로 '온'되어 상기 환자(20)를 서로 다른 방향에서 촬영할 수 있다.In addition, the X-ray sensors 130 operate in synchronization with the opposing X-ray source 120. When one X-ray source opposing one X-ray sensor is referred to as an imaging pair, the imaging pairs are sequentially As it is 'on' the patient 20 can be taken in different directions.

또한, 상기 촬영 쌍들은 모든 촬영 쌍이 소정의 촬영 시퀀스에 따라 순차적으로 '온'되어 CT영상을 촬영할 수 있고, 일부 촬영 쌍들만이 순차적으로 '온'되어 파노라마 영상을 촬영할 수도 있다.In addition, the photographing pairs may photograph CT images by sequentially photographing all photographing pairs according to a predetermined photographing sequence, and only some photographing pairs may sequentially photograph 'on' photographing panoramic images.

또한, 상기 모든 촬영 쌍은 동시에 '온'되어 엑스선 영상 촬영을 수행할 수도 있다.In addition, all the pairs of photographing may be 'on' at the same time to perform X-ray imaging.

즉, 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)에 의하면, 상기 엑스선 소스(120)와 상기 엑스선 센서(130)를 회전시키지 않고도 파노라마 영상 및 CT영상을 획득할 수 있다.That is, according to the X-ray imaging apparatus 100 according to an embodiment of the present invention, a panoramic image and a CT image may be obtained without rotating the X-ray source 120 and the X-ray sensor 130.

따라서, 회전암과 같은 회전장치가 필요없어 장치의 구성을 간소화할 수 있고, 촬영시간을 단축할 수 있는 장점이 있다.Therefore, there is no need for a rotating device such as a rotating arm, so that the configuration of the device can be simplified, and the photographing time can be shortened.

또한, 도시하지는 않았으나, 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)는 상기 케이스(110)를 바닥 또는 벽면에 지지하기 위한 지지대를 더 포함할 수 있으며, 상기 지지대는 상기 케이스(110)는 공간상에서 이동하게 하여 상기 환자(20)의 두부가 상기 케이스(110)의 내측 공간에 위치하게 할 수 있다.In addition, although not shown, the X-ray imaging apparatus 100 according to an embodiment of the present invention may further include a support for supporting the case 110 on the floor or the wall, and the support is the case 110. May move in the space so that the head of the patient 20 is located in the inner space of the case 110.

또한, 도시하지는 않았으나, 상기 케이스(110) 또는 상기 지지대의 소정부분에는 상기 환자(20)의 두부(안면)를 서로 다른 방향에서 촬영하여 삼차원의 가시광 영상을 획득하는 복수 개의 카메라를 더 포함할 수 있다.In addition, although not shown, the case 110 or the predetermined portion of the support may further include a plurality of cameras for acquiring three-dimensional visible light images by photographing the head (face) of the patient 20 in different directions. have.

또한, 상기 가시광 영상은 상기 케이스(110)의 위치조절(align)에 이용될 수 있고, 상기 엑스선 센서들(130)에서 획득한 엑스선 영상을 겹쳐 표시해줌으로써 효과적인 진료가 가능하게 할 수 있다.In addition, the visible light image may be used to align the case 110, and by effectively displaying the X-ray images obtained by the X-ray sensors 130, effective treatment may be possible.

도 4는 본 발명의 다른 실시예에 따른 엑스선 촬영장치를 보여주는 도면으로, 도 4를 참조하면, 본 발명의 다른 실시예에 따른 엑스선 촬영장치(200)는 케이스(210), 엑스선 소스(120) 및 엑스선 광원(130)을 포함하여 이루어진다.4 is a diagram illustrating an X-ray imaging apparatus according to another embodiment of the present invention. Referring to FIG. 4, the X-ray imaging apparatus 200 according to another embodiment of the present invention includes a case 210 and an X-ray source 120. And an X-ray light source 130.

또한, 상기 엑스선 소스(120)와 상기 엑스선 광원(130)은 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)의 엑스선 소스(120) 및 엑스선 광원(130)과 실질적으로 동일하므로 설명을 생략한다.In addition, since the X-ray source 120 and the X-ray light source 130 are substantially the same as the X-ray source 120 and the X-ray light source 130 of the X-ray imaging apparatus 100 according to an embodiment of the present invention, description thereof is omitted. do.

그러나, 본 발명의 다른 실시예에 따른 엑스선 촬영장치(200)의 케이스(210)는 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)의 케이스(110)와 비교하여 내부의 진공공간이 단일의 진공공간이 아닌 복수 개의 진공 공간(v1,v2,v3,v4)로 구분될 수 있다.However, the case 210 of the X-ray imaging apparatus 200 according to another embodiment of the present invention has a single vacuum space compared to the case 110 of the X-ray imaging apparatus 100 according to the embodiment of the present invention. It may be divided into a plurality of vacuum spaces (v1, v2, v3, v4) rather than the vacuum space.

또한, 상기 케이스(210)는 복수 개의 호형 케이스(211,212,213,214)가 서로 결합하여 하나의 환형 케이스로 구성될 수 있으며, 각 호형 케이스(211,212,213,214)는 내부가 단일의 진공공간(v1,v2,v3,v4)으로 구비된다.In addition, the case 210 may be configured as one annular case by combining a plurality of arc-shaped cases 211, 212, 213, and 214, and each arc case 211, 212, 213, 214 has a single vacuum space (v1, v2, v3, v4). ) Is provided.

또한, 상기 호형 케이스들(211,212,213,214)의 내부에는 복수 개의 엑스선 소스(120)와 복수 개의 엑스선 센서들(130)이 구비된다.In addition, a plurality of X-ray sources 120 and a plurality of X-ray sensors 130 are provided inside the arc-shaped cases 211, 212, 213, and 214.

즉, 본 발명의 다른 실시예에 따른 엑스선 촬영장치(200)는 본 발명의 일 실시예에 따른 엑스선 촬영장치(100)와 비교하여 상기 엑스선 소스(120)나 상기 엑스선 센서(130)에 고장이 발생하였을 때, 어느 하나의 호형 케이스(211,212,213,214)의 진공만을 파괴하여 교체나 수리가 가능하므로, 상기 케이스(210) 전체의 진공을 파괴하지 않고도 유지보수가 가능한 장점이 있다.That is, the X-ray imaging apparatus 200 according to another embodiment of the present invention has a failure in the X-ray source 120 or the X-ray sensor 130 as compared to the X-ray imaging apparatus 100 according to an embodiment of the present invention. When it occurs, it is possible to replace or repair by breaking only the vacuum of any one arc-shaped case (211,212,213,214), there is an advantage that can be maintained without destroying the vacuum of the case 210 as a whole.

이상에서 살펴본 바와 같이 본 발명은 바람직한 실시예를 들어 도시하고 설명하였으나, 상기한 실시예에 한정되지 아니하며 본 발명의 정신을 벗어나지 않는 범위 내에서 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경과 수정이 가능할 것이다.As described above, the present invention has been illustrated and described with reference to preferred embodiments, but is not limited to the above-described embodiments, and is provided to those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.

본 발명의 엑스선 촬영장치는 환자의 의료용 파노라마 영상 및 CT영상을 획득에 이용될 수 있다.The X-ray imaging apparatus of the present invention may be used to acquire a medical panoramic image and a CT image of a patient.

Claims (7)

내측에 환자의 두부를 위치시킬 수 있는 환형의 케이스;An annular case capable of positioning the head of the patient inside; 상기 케이스의 내부에서 방사상으로 서로 이격되어 구비되고, 상기 환자에게 엑스선을 조사하는 복수 개의 엑스선 소스; 및A plurality of X-ray sources provided radially spaced apart from each other in the case and radiating X-rays to the patient; And 상기 케이스의 외부에서 상기 엑스선 소스들과 각각 대향하는 위치에 복수 개로 구비되고, 상기 환자를 투과한 엑스선을 수광하여 엑스선 영상을 획득하는 복수 개의 엑스선 센서;를 포함하고,And a plurality of X-ray sensors that are provided in a plurality of positions respectively opposite to the X-ray sources outside the case and receive X-rays passing through the patient to obtain an X-ray image. 상기 케이스 내부는 진공공간으로 구비되고, 상기 엑스선 소스은 상기 진공공간에 실장되는 것을 특징으로 하는 엑스선 촬영장치.The inside of the case is provided with a vacuum space, the X-ray imaging apparatus, characterized in that mounted in the vacuum space. 제 1 항에 있어서,The method of claim 1, 상기 케이스는 내부공간이 하나로 연통된 단일의 케이스이고, 상기 진공공간은 하나의 진공공간인 것을 특징으로 하는 엑스선 촬영장치.The case is an x-ray imaging apparatus, characterized in that the inner space is a single case in communication with one, the vacuum space is one vacuum space. 제 1 항에 있어서,The method of claim 1, 상기 케이스는 내부 공간이 서로 분리된 복수의 케이스로 구성되고, 상기 진공곤간은 서로 독립된 복수의 진공공간인 것을 특징으로 하는 엑스선 촬영장치.The case is composed of a plurality of cases in which the internal space is separated from each other, the vacuum interval is X-ray imaging apparatus, characterized in that a plurality of independent vacuum spaces. 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 3, 상기 각 엑스선 소스는 대향하는 엑스선 센서와 서로 동기되어 동작하며, 소정의 촬영 시퀀스에 따라 적어도 하나가 순차적으로 '온'되어 상기 엑스선 영상을 촬영하는 것을 특징으로 하는 엑스선 촬영장치.Wherein each X-ray source operates in synchronization with an opposing X-ray sensor, and at least one of the X-ray sources is sequentially turned on according to a predetermined photographing sequence to photograph the X-ray image. 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 4, 상기 각 엑스선 소스는 대향하는 엑스선 센서와 서로 동기되어 동작하며, 동시에 '온'되어 상기 엑스선 영상을 촬영하는 것을 특징으로 하는 엑스선 촬영장치.Each X-ray source operates in synchronization with an opposing X-ray sensor, and at the same time 'on' X-ray imaging apparatus, characterized in that for taking the X-ray image. 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, The method according to any one of claims 1 to 3, 상기 케이스를 바닥 또는 벽면에서 지지하는 지지대를 포함하는 것을 특징으로 하는 엑스선 촬영장치.X-ray imaging apparatus comprising a support for supporting the case on the floor or the wall. 제 1 항에 있어서,The method of claim 1, 상기 케이스에 구비되고, 상기 환자의 두부를 촬영하여 가시광 영상을 획득하는 적어도 하나의 카메라를 더 포함하는 것을 특징으로 하는 엑스선 촬영장치.And at least one camera provided in the case and acquiring a visible light image by capturing the head of the patient.
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