KR100891057B1 - 탈장착형 pet-mri통합 유닛 - Google Patents
탈장착형 pet-mri통합 유닛 Download PDFInfo
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- KR100891057B1 KR100891057B1 KR1020070053034A KR20070053034A KR100891057B1 KR 100891057 B1 KR100891057 B1 KR 100891057B1 KR 1020070053034 A KR1020070053034 A KR 1020070053034A KR 20070053034 A KR20070053034 A KR 20070053034A KR 100891057 B1 KR100891057 B1 KR 100891057B1
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- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
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- 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]
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- G—PHYSICS
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- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
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Abstract
Description
Claims (9)
- 겐트리의 내부에 설치되어 핵의 스핀 방향에 일정한 기울기를 가진 경사 자장을 더해 주는 경사 코일(Gradient Coil)과; 상기 겐트리에 고정되어 피측정대상의 전신을 촬영하는 전신 RF 코일;을 포함하는 자기공명 영상촬영기(Magnetic Resonance Imaging)에 있어서,상기 자기공명 영상촬영기의 내부에는,광전소자 및 신호처리부와 섬광결정체가 포함된 PET 검출기를 포함하고, 한쌍의 고주파 차폐판에 의하여 차폐되며, 상기 피측정대상의 국소적 부위를 촬영하는 양전자 방출 단층촬영기(Positron Emission Tomography: 10); 및상기 양전자 방출 단층촬영기의 외부 또는 내부에 구비되고, 상기 피측정대상의 국소적 부위를 촬영하고, MIR신호를 수신하는 국소 RF 코일;이 구비되고, 그리고상기 섬광결정체는 한개의 층 또는 다층이고, 상기 섬광결정체는 NaI, BGO(Bismuth Germanate Oxide), LSO(Lutetium Oxyorthosilicate), LYSO, 또는 LGSO로 이루어지며, 상기 양전자 방출 단층촬영기 및 상기 국소 RF 코일은 탈착가능한 것을 특징으로 하는 탈장착형 PET-MRI 통합 유닛.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 각 고주파 차폐판(12)은 박막 또는 그물망 형태로 이루어진 것을 특징으로 하는 탈장착형 PET-MRI 통합 유닛.
- 제 1 항 또는 제 4 항에 있어서,상기 한 쌍의 고주파 차폐판(12)은 각각 구리인 것을 특징으로 하는 탈장착형 PET-MRI 통합 유닛.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 광전소자 및 신호처리부는 시그널을 검출하는 광다이오드와, 광다이오드를 보호하기 위한 보호회로와, MRI의 RF 필터 회로와 신호 처리를 위한 아날로그와 디지털 회로, 전자 신호를 광신호로 변환하는 회로, 광전송 회로를 포함하여 이루어지는 것을 특징으로 하는 탈장착형 PET-MRI 통합 유닛.
- 제 8 항에 있어서,상기 광다이오드는 사태 광다이오드(APD) 또는 거이거 사태 광다이오드(GAPD) 타입의 반도체 광증배관(SSPM), 실리콘 광증배관(SiPM), 또는 다중 픽셀 광계수기(MPPC) 중에서 선택된 1개인 것을 특징으로 하는 탈장착형 PET-MRI 통합 유닛.
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KR100891057B1 true KR100891057B1 (ko) | 2009-03-31 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103383442A (zh) * | 2012-05-02 | 2013-11-06 | 通用电气公司 | 用于mri扫描仪的结构rf线圈组装件 |
KR101531533B1 (ko) * | 2013-10-22 | 2015-06-25 | 삼성전자주식회사 | 고주파 트랩, 이를 구비한 초전도 자석 장치 및 자기공명영상 장치 |
US9696398B2 (en) | 2013-02-04 | 2017-07-04 | Samsung Electronics Co., Ltd. | Magnetic resonance imaging and positron emission tomography system |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101038819B1 (ko) * | 2009-03-17 | 2011-06-03 | 삼성전기주식회사 | 융합 촬영 장치 |
KR20110130954A (ko) * | 2010-05-28 | 2011-12-06 | 가천의과학대학교 산학협력단 | 가변형 pet 장치 |
KR101252817B1 (ko) * | 2011-07-28 | 2013-04-09 | 서울대학교산학협력단 | Pet 모듈과 이를 갖는 pet―mri |
JP2013228226A (ja) | 2012-04-24 | 2013-11-07 | Toshiba Corp | Pet−mri装置 |
KR101646620B1 (ko) * | 2012-05-16 | 2016-08-08 | 서강대학교산학협력단 | 필터링을 이용한 pet-mri융합장치에서의 pet 신호의 잡음제거방법 및 이를 이용한 pet-mri 융합장치에서의 pet 시스템 |
KR101556639B1 (ko) | 2013-12-30 | 2015-10-01 | 한국원자력연구원 | Pet-mri 장치 및 그 제조 방법 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103383442A (zh) * | 2012-05-02 | 2013-11-06 | 通用电气公司 | 用于mri扫描仪的结构rf线圈组装件 |
US9696398B2 (en) | 2013-02-04 | 2017-07-04 | Samsung Electronics Co., Ltd. | Magnetic resonance imaging and positron emission tomography system |
KR101531533B1 (ko) * | 2013-10-22 | 2015-06-25 | 삼성전자주식회사 | 고주파 트랩, 이를 구비한 초전도 자석 장치 및 자기공명영상 장치 |
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