FR2276667B1 - - Google Patents
Info
- Publication number
- FR2276667B1 FR2276667B1 FR7519241A FR7519241A FR2276667B1 FR 2276667 B1 FR2276667 B1 FR 2276667B1 FR 7519241 A FR7519241 A FR 7519241A FR 7519241 A FR7519241 A FR 7519241A FR 2276667 B1 FR2276667 B1 FR 2276667B1
- Authority
- FR
- France
- 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
Classifications
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiation-Therapy Devices (AREA)
- Electron Beam Exposure (AREA)
- Diaphragms For Cameras (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742431115 DE2431115C3 (de) | 1974-06-28 | Strahlenblende mit kontinuierlich veränderbarer Blendenöffnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2276667A1 FR2276667A1 (fr) | 1976-01-23 |
| FR2276667B1 true FR2276667B1 (cg-RX-API-DMAC10.html) | 1978-02-24 |
Family
ID=5919213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7519241A Granted FR2276667A1 (fr) | 1974-06-28 | 1975-06-19 | Diaphragme a ouverture reglable de facon continue |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4027167A (cg-RX-API-DMAC10.html) |
| FR (1) | FR2276667A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1510816A (cg-RX-API-DMAC10.html) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324979A (en) * | 1979-06-21 | 1982-04-13 | National Research Development Corporation | Variable neutron collimator |
| US4511801A (en) * | 1982-07-19 | 1985-04-16 | Bethlehem Steel Corporation | Radiation scanning and measuring device |
| US4528453A (en) * | 1982-07-30 | 1985-07-09 | Albert Einstein College Of Medicine Of Yeshiva University | Dual collimator |
| SE454947B (sv) * | 1985-11-11 | 1988-06-13 | Augustsson Nils Erik | Anordning for stralfeltsavskermning vid radioterapi |
| US5165106A (en) * | 1991-06-06 | 1992-11-17 | Siemens Medical Laboratories, Inc. | Contour collimator |
| US5216255A (en) * | 1992-03-31 | 1993-06-01 | Siemens Medical Laboratories | Beam profile generator for photon radiation |
| US5332908A (en) * | 1992-03-31 | 1994-07-26 | Siemens Medical Laboratories, Inc. | Method for dynamic beam profile generation |
| DE10162256B4 (de) * | 2001-12-18 | 2004-09-09 | Siemens Ag | Strahlenblende für ein Röntgengerät |
| US6865030B2 (en) * | 2003-06-11 | 2005-03-08 | Agilent Technologies, Inc. | Variable optical slit assembly |
| JP5620039B2 (ja) * | 2003-08-01 | 2014-11-05 | カール・ツァイス・エスエムティー・ゲーエムベーハー | 少なくとも１つのシステム絞りを備えた光学結像装置 |
| US8129701B2 (en) * | 2007-02-27 | 2012-03-06 | Al-Sadah Jihad H | Areal modulator for intensity modulated radiation therapy |
| CN103649829B (zh) | 2011-07-07 | 2017-06-06 | 佳能电子株式会社 | 光量调节装置和光学设备 |
| CN103765310B (zh) * | 2011-07-07 | 2016-08-24 | 佳能电子株式会社 | 光量调节设备和光学设备 |
| JP6099924B2 (ja) * | 2012-10-04 | 2017-03-22 | キヤノン株式会社 | 光学機器およびそれを備えた撮像装置 |
| US11862357B2 (en) * | 2020-10-21 | 2024-01-02 | Illinois Tool Works Inc. | Adjustable collimators and x-ray imaging systems including adjustable collimators |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2542196A (en) * | 1949-10-24 | 1951-02-20 | Kelley Koett Mfg Company | X-ray apparatus |
| US2836729A (en) * | 1956-07-18 | 1958-05-27 | Ca Atomic Energy Ltd | Beam therapy diaphragm |
| US3115580A (en) * | 1960-10-20 | 1963-12-24 | Jade D Brewer | X-ray collimator with shutter track and actuation means on each side of guide means |
| US3156824A (en) * | 1960-12-01 | 1964-11-10 | Howdon Videx Products Corp | X-ray collimator having visible light centering arrangement and an adjustable filter for X-rays |
-
1975
- 1975-06-19 FR FR7519241A patent/FR2276667A1/fr active Granted
- 1975-06-26 GB GB27151/75A patent/GB1510816A/en not_active Expired
- 1975-06-27 US US05/590,792 patent/US4027167A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2276667A1 (fr) | 1976-01-23 |
| DE2431115B2 (de) | 1976-07-01 |
| GB1510816A (en) | 1978-05-17 |
| DE2431115A1 (de) | 1976-01-15 |
| US4027167A (en) | 1977-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |