KR100912832B1 - 영상기반 방사선 치료장치의 정도관리용 팬텀 - Google Patents
영상기반 방사선 치료장치의 정도관리용 팬텀 Download PDFInfo
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- KR100912832B1 KR100912832B1 KR1020080008034A KR20080008034A KR100912832B1 KR 100912832 B1 KR100912832 B1 KR 100912832B1 KR 1020080008034 A KR1020080008034 A KR 1020080008034A KR 20080008034 A KR20080008034 A KR 20080008034A KR 100912832 B1 KR100912832 B1 KR 100912832B1
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 71
- 238000003908 quality control method Methods 0.000 title claims abstract description 41
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- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
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- 238000003384 imaging method Methods 0.000 abstract description 12
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- 238000002059 diagnostic imaging Methods 0.000 description 8
- 206010028980 Neoplasm Diseases 0.000 description 7
- 238000003325 tomography Methods 0.000 description 6
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- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
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- 238000002600 positron emission tomography Methods 0.000 description 2
- 238000002603 single-photon emission computed tomography Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
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- 238000007726 management method Methods 0.000 description 1
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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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
- A61B6/5264—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion
- A61B6/5276—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion involving measuring table sag
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
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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
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/01—Devices for producing movement of radiation source during therapy
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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
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1061—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
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Abstract
Description
Claims (7)
- 컴퓨터단층촬영장치(CT장치)와 방사선치료기가 결합된 영상기반 방사선치료장치의 카우치에 올려져, 상기 CT장치와 방사선치료기에 의해 촬영되고 촬영을 통해 얻은 영상을 통해 해당 CT장치와 방사선치료기를 정도관리 할 수 있게 하는 것으로서,일정직경을 갖는 실린더형 아크릴부재로서 그 중심축부에 센터구멍이 형성되고 상기 센터구멍으로부터 일정거리 이격된 외곽부에는 다수의 관통구멍이 배치되어 있는 본체와;상기 본체의 관통구멍에 삽입 장착되며 상기 CT장치 및 방사선치료기에 의해 촬영된 영상에 그 단면 형상이 나타나는 것으로서, 서로 다른 밀도를 갖는 물질로 제작된 환봉형 밀도바와;상기 본체의 양측면에 착탈 가능하게 밀착 결합하며 본체와 같은 직경을 갖는 아크릴제 커버와;상기 커버와 본체를 관통하여 너트와 결합함으로써 본체에 대해 커버를 밀착시키고 상기 CT장치 및 방사선치료기에 의해 촬영된 영상에 그 단면형상이 나타나며 서로 다른 재질로 제작된 다수의 볼트를 포함하는 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 1항에 있어서,상기 센터구멍의 내부에는 CT장치의 해상도 검증에 사용되는 것으로서 디스크의 형태를 취하며 서로 다른 직경의 구멍이 다수 형성되어 있는 플러그가 설치되는 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 1항에 있어서,상기 센터구멍의 내부 중심부에는 상기 CT장치 및 방사선치료기에 의해 촬영된 영상에 그 단면이 팬텀의 중심포인트로서 나타나는 구슬이 설치되는 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 1항에 있어서,상기 각 밀도바와 볼트는, 폴리아세탈, MC나일론, 아크릴, 폴리에틸렌, 폴리카보네이트, 테프론, 폴르프로필렌, 폴리염화비닐 중 어느 하나로 제작된 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 1항에 있어서,상기 팬텀의 하부에는 팬텀을 카우치 위에 지지하는 받침대가 더 구비되는 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 5항에 있어서,상기 팬텀의 외주면에는 하나 이상의 홈이 형성되어 있고,상기 받침대는;카우치의 평평한 상면에 대해 일정각도로 기울어진 경사면을 가지며, 상기 경사면에는 경사면위에 팬텀을 지지시킬 수 있도록 다수의 고정홈이 형성되어 있고,상기 고정홈에는, 고정홈에 삽입된 상태로 경사면 위로 돌출되어 팬텀 외주면의 홈에 끼워짐으로써 팬텀을 받침대 위에 위치시키는 지지블록이 더 구비되는 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
- 제 6항에 있어서,상기 받침대위에 올려진 팬텀을 소정 각도로 기울일 수 있도록, 상기 받침대 상부로 돌출된 지지블록의 상단면은 수평면에 대해 소정각도로 기울어진 것을 특징으로 하는 영상기반 방사선 치료장치의 정도관리용 팬텀.
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KR1020080008034A KR100912832B1 (ko) | 2008-01-25 | 2008-01-25 | 영상기반 방사선 치료장치의 정도관리용 팬텀 |
US12/349,322 US7755031B2 (en) | 2008-01-25 | 2009-01-06 | Calibration phantom for quality assurance of image-based radiotherapy apparatus |
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KR101185067B1 (ko) | 2011-03-03 | 2012-09-20 | 학교법인 건국대학교 | 체적 기반 입체조형 활꼴세기조절방사선치료의 선량 검증을 위한 팬톰장치 및 이를 이용한 선량 오차 분석방법 |
WO2020209667A1 (ko) * | 2019-04-11 | 2020-10-15 | 사회복지법인 삼성생명공익재단 | 방사선을 이용한 진단 및 치료 장치의 3차원 중심점의 품질 보증 시스템 및 방법 |
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Cited By (5)
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KR101027330B1 (ko) | 2009-04-08 | 2011-04-11 | 가톨릭대학교 산학협력단 | Imrt용 선형가속기의 정도관리를 위한 팬텀 |
KR101185067B1 (ko) | 2011-03-03 | 2012-09-20 | 학교법인 건국대학교 | 체적 기반 입체조형 활꼴세기조절방사선치료의 선량 검증을 위한 팬톰장치 및 이를 이용한 선량 오차 분석방법 |
WO2020209667A1 (ko) * | 2019-04-11 | 2020-10-15 | 사회복지법인 삼성생명공익재단 | 방사선을 이용한 진단 및 치료 장치의 3차원 중심점의 품질 보증 시스템 및 방법 |
KR20200120183A (ko) * | 2019-04-11 | 2020-10-21 | 사회복지법인 삼성생명공익재단 | 방사선을 이용한 진단 및 치료 장치의 3차원 중심점의 품질 보증 시스템 및 방법 |
KR102219338B1 (ko) | 2019-04-11 | 2021-02-23 | 사회복지법인 삼성생명공익재단 | 방사선을 이용한 진단 및 치료 장치의 3차원 중심점의 품질 보증 시스템 및 방법 |
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US7755031B2 (en) | 2010-07-13 |
KR20090081883A (ko) | 2009-07-29 |
US20090190723A1 (en) | 2009-07-30 |
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