FR2749699B1 - Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateur - Google Patents
Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateurInfo
- Publication number
- FR2749699B1 FR2749699B1 FR9606990A FR9606990A FR2749699B1 FR 2749699 B1 FR2749699 B1 FR 2749699B1 FR 9606990 A FR9606990 A FR 9606990A FR 9606990 A FR9606990 A FR 9606990A FR 2749699 B1 FR2749699 B1 FR 2749699B1
- Authority
- FR
- France
- Prior art keywords
- collimator
- imaging system
- medical imaging
- multiple field
- field collimator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000002059 diagnostic imaging Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9606990A FR2749699B1 (fr) | 1996-06-06 | 1996-06-06 | Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateur |
US08/867,367 US5917189A (en) | 1996-06-06 | 1997-06-02 | Collimator with multiple field of view and a medical imaging system including a collimator of this type |
DE19723649A DE19723649A1 (de) | 1996-06-06 | 1997-06-05 | Kollimator mit einem Mehrfach-Erfassungsfeld und medizinisches Bildherstellungssystem mit einem solchen Kollimator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9606990A FR2749699B1 (fr) | 1996-06-06 | 1996-06-06 | Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2749699A1 FR2749699A1 (fr) | 1997-12-12 |
FR2749699B1 true FR2749699B1 (fr) | 1998-10-16 |
Family
ID=9492768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9606990A Expired - Fee Related FR2749699B1 (fr) | 1996-06-06 | 1996-06-06 | Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateur |
Country Status (3)
Country | Link |
---|---|
US (1) | US5917189A (fr) |
DE (1) | DE19723649A1 (fr) |
FR (1) | FR2749699B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1029115B1 (fr) * | 1997-11-03 | 2001-09-19 | Siemens Aktiengesellschaft | Produit, en particulier composant d'une turbine a gaz, a couche thermo-isolante en ceramique |
DE19805894C2 (de) * | 1998-02-13 | 2003-06-05 | Univ Leipzig | Verfahren und Meßanordnung zur räumlichen Erfassung inkorporierter radioaktiver Präparate |
US6177675B1 (en) * | 1998-04-22 | 2001-01-23 | Picker International, Inc. | Gamma camera system having multi-resolution detectors |
US6271524B1 (en) * | 1998-08-05 | 2001-08-07 | Elgems, Ltd. | Gamma ray collimator |
US6787777B1 (en) * | 2000-11-09 | 2004-09-07 | Koninklijke Philips Electronics, N.V. | Nuclear imaging system and method using segmented field of view |
GB0427021D0 (en) * | 2004-12-09 | 2005-01-12 | Bp Chem Int Ltd | Process |
CN109893155A (zh) * | 2019-03-05 | 2019-06-18 | 中国辐射防护研究院 | 一种用于伽玛相机的编码孔准直器制作方法 |
CN115482171B (zh) * | 2022-09-27 | 2023-05-02 | 瑞石心禾(河北)医疗科技有限公司 | 一种用于伽马相机的均匀性的校正方法与装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079259A (en) * | 1973-07-18 | 1978-03-14 | Blum Alvin S | Tomographic apparatus and method |
JPS54102184A (en) * | 1978-01-27 | 1979-08-11 | Toshiba Corp | Collimator device |
US4250392A (en) * | 1979-02-27 | 1981-02-10 | Engineering Dynamics Corporation | Bi-focal collimator |
JPS5818180A (ja) * | 1981-07-24 | 1983-02-02 | Akitomo Kobayashi | マルチ ピンホ−ルコリメ−タ |
JPS58223081A (ja) * | 1982-06-21 | 1983-12-24 | Shimadzu Corp | シンチレ−シヨンカメラ用ワンパスコリメ−タ |
FR2640054B1 (fr) * | 1988-12-07 | 1992-12-31 | Informatek Ste Nouvelle | Systeme de mise en place d'un collimateur dans une gamma camera |
KR970003828B1 (ko) * | 1993-12-15 | 1997-03-22 | 현대전자산업 주식회사 | 콜리메이터 |
JP3449791B2 (ja) * | 1994-08-23 | 2003-09-22 | 理化学研究所 | 撮像方法及び撮像装置 |
-
1996
- 1996-06-06 FR FR9606990A patent/FR2749699B1/fr not_active Expired - Fee Related
-
1997
- 1997-06-02 US US08/867,367 patent/US5917189A/en not_active Expired - Fee Related
- 1997-06-05 DE DE19723649A patent/DE19723649A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE19723649A1 (de) | 1997-12-11 |
FR2749699A1 (fr) | 1997-12-12 |
US5917189A (en) | 1999-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |