JPH0250596B2 - - Google Patents
Info
- Publication number
- JPH0250596B2 JPH0250596B2 JP58234571A JP23457183A JPH0250596B2 JP H0250596 B2 JPH0250596 B2 JP H0250596B2 JP 58234571 A JP58234571 A JP 58234571A JP 23457183 A JP23457183 A JP 23457183A JP H0250596 B2 JPH0250596 B2 JP H0250596B2
- Authority
- JP
- Japan
- Prior art keywords
- ray
- movable
- blades
- side edges
- weights
- 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
Links
- 238000004846 x-ray emission Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000002594 fluoroscopy Methods 0.000 description 4
- 238000002601 radiography Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002583 angiography Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000002586 coronary angiography Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 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
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
-
- 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
- A61B6/022—Stereoscopic imaging
-
- 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
- A61B6/06—Diaphragms
-
- 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
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
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)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58234571A JPS60127698A (ja) | 1983-12-13 | 1983-12-13 | X線絞り装置 |
EP84113911A EP0142841A3 (en) | 1983-11-18 | 1984-11-16 | Aperture device of radiation diagnostic apparatus |
US06/928,389 US4766603A (en) | 1983-11-18 | 1986-11-10 | Aperture device of radiation diagnostic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58234571A JPS60127698A (ja) | 1983-12-13 | 1983-12-13 | X線絞り装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60127698A JPS60127698A (ja) | 1985-07-08 |
JPH0250596B2 true JPH0250596B2 (en]) | 1990-11-02 |
Family
ID=16973098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58234571A Granted JPS60127698A (ja) | 1983-11-18 | 1983-12-13 | X線絞り装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60127698A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0456281U (en]) * | 1990-09-21 | 1992-05-14 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6143570A (ja) * | 1984-08-08 | 1986-03-03 | Nec Corp | インクジエツトヘツド組立体 |
JPH0516558Y2 (en]) * | 1984-10-31 | 1993-04-30 | ||
JPH0420405Y2 (en]) * | 1986-09-05 | 1992-05-11 | ||
JPH04179100A (ja) * | 1990-11-13 | 1992-06-25 | Toshiba Corp | X線絞り装置 |
FR2864685B1 (fr) * | 2004-12-22 | 2008-03-14 | Ge Med Sys Global Tech Co Llc | Collimateur, emetteur de rayons x et appareil de radiographie |
JP2013128661A (ja) | 2011-12-21 | 2013-07-04 | Canon Inc | ステレオx線撮影装置、ステレオx線撮影方法 |
EP2994052B1 (en) * | 2013-05-08 | 2016-11-16 | Koninklijke Philips N.V. | Collimation for distanced focal spots |
-
1983
- 1983-12-13 JP JP58234571A patent/JPS60127698A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0456281U (en]) * | 1990-09-21 | 1992-05-14 |
Also Published As
Publication number | Publication date |
---|---|
JPS60127698A (ja) | 1985-07-08 |
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