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 collimateur

Info

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
Application number
FR9606990A
Other languages
English (en)
Other versions
FR2749699A1 (fr
Inventor
Guyen Trung N
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sopha Medical Vision International SA
Original Assignee
Sopha Medical Vision International SA
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 Sopha Medical Vision International SA filed Critical Sopha Medical Vision International SA
Priority to FR9606990A priority Critical patent/FR2749699B1/fr
Priority to US08/867,367 priority patent/US5917189A/en
Priority to DE19723649A priority patent/DE19723649A1/de
Publication of FR2749699A1 publication Critical patent/FR2749699A1/fr
Application granted granted Critical
Publication of FR2749699B1 publication Critical patent/FR2749699B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nuclear Medicine (AREA)
FR9606990A 1996-06-06 1996-06-06 Collimateur a champ de vue multiple et systeme d'imagerie medicale comportant un tel collimateur Expired - Fee Related FR2749699B1 (fr)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59801547D1 (de) * 1997-11-03 2001-10-25 Siemens Ag Erzeugnis, insbesondere bauteil einer gasturbine, mit keramischer wärmedämmschicht
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US5917189A (en) 1999-06-29
DE19723649A1 (de) 1997-12-11
FR2749699A1 (fr) 1997-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse