CA994927A - Transmission ion chamber - Google Patents
Transmission ion chamberInfo
- Publication number
- CA994927A CA994927A CA193,360A CA193360A CA994927A CA 994927 A CA994927 A CA 994927A CA 193360 A CA193360 A CA 193360A CA 994927 A CA994927 A CA 994927A
- Authority
- CA
- Canada
- Prior art keywords
- ion chamber
- transmission ion
- transmission
- chamber
- ion
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/02—Ionisation chambers
-
- 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
- A61N5/1048—Monitoring, verifying, controlling systems and methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Electron Tubes For Measurement (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA245,235A CA1002669A (en) | 1973-02-26 | 1976-02-09 | Transmission ion chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00335633A US3852610A (en) | 1973-02-26 | 1973-02-26 | Transmission ion chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
CA994927A true CA994927A (en) | 1976-08-10 |
Family
ID=23312610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA193,360A Expired CA994927A (en) | 1973-02-26 | 1974-02-25 | Transmission ion chamber |
Country Status (5)
Country | Link |
---|---|
US (1) | US3852610A (en) |
JP (1) | JPS5053083A (en) |
CA (1) | CA994927A (en) |
FR (1) | FR2219523B3 (en) |
GB (1) | GB1445519A (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2275022A2 (en) * | 1974-06-14 | 1976-01-09 | Cgr Mev | DEVICE FOR MONITORING THE POSITION, INTENSITY, HOMOGENEITY AND DIRECTIVITY OF AN IONIZING RADIATION BEAM |
US3955089A (en) * | 1974-10-21 | 1976-05-04 | Varian Associates | Automatic steering of a high velocity beam of charged particles |
DE2505173A1 (en) * | 1975-02-07 | 1976-08-19 | Philips Patentverwaltung | X-RAY ASSEMBLY WITH A GAS-FILLED CHAMBER |
US4131799A (en) * | 1977-04-01 | 1978-12-26 | Applied Radiation Corporation | Ionization chamber |
SE421257B (en) * | 1980-04-23 | 1981-12-07 | Scanditronix Instr | SET WITH A TRANSMISSION CHAMBER CENTERING A BEAM AND BRING THE BEAM TO BE SYMMETRIC WITH REGARD TO THE CENTER LINE OF A COLLIMATOR, AND THE TRANSMISSION CHAMBER FOR EXECUTING THE SET |
JPS5710477A (en) * | 1980-06-23 | 1982-01-20 | Fukuoka Hoshasen Kk | Dosimeter for patient exposed to clinical x-rays |
US4427890A (en) * | 1981-08-03 | 1984-01-24 | Siemens Medical Laboratories, Inc. | Dose monitor chamber for electron or X-ray radiation |
US4514633A (en) * | 1983-11-17 | 1985-04-30 | Siemens Medical Laboratories, Inc. | Ionization chamber for measuring the profile of a radiation field of electron or X-ray radiation |
NL8503152A (en) * | 1985-11-15 | 1987-06-01 | Optische Ind De Oude Delft Nv | DOSEMETER FOR IONIZING RADIATION. |
DE3828639C2 (en) * | 1987-08-24 | 1994-08-18 | Mitsubishi Electric Corp | Radiotherapy device |
US5072123A (en) * | 1990-05-03 | 1991-12-10 | Varian Associates, Inc. | Method of measuring total ionization current in a segmented ionization chamber |
JP2728986B2 (en) * | 1991-06-05 | 1998-03-18 | 三菱電機株式会社 | Radiation monitor |
US5672878A (en) * | 1996-10-24 | 1997-09-30 | Siemens Medical Systems Inc. | Ionization chamber having off-passageway measuring electrodes |
DE19907207A1 (en) * | 1999-02-19 | 2000-08-31 | Schwerionenforsch Gmbh | Ionization chamber for ion beams and method for monitoring the intensity of an ion beam |
KR101164150B1 (en) | 2003-08-12 | 2012-07-13 | 로마 린다 유니버시티 메디칼 센터 | Patient positioning system for radiation therapy system |
CN1894577B (en) | 2003-08-12 | 2012-12-12 | 洛马林达大学医学中心 | Patient positioning system for radiation therapy system |
US20090080602A1 (en) * | 2006-08-03 | 2009-03-26 | Kenneth Brooks | Dedicated breast radiation imaging/therapy system |
CN103285527B (en) | 2006-11-21 | 2016-06-22 | 洛马林达大学医学中心 | Apparatus and method for immobilizing patients for breast radiation therapy |
JP2010054309A (en) * | 2008-08-27 | 2010-03-11 | Mitsubishi Heavy Ind Ltd | Radiotherapy apparatus using transmission type dosimeter |
US9693443B2 (en) | 2010-04-19 | 2017-06-27 | General Electric Company | Self-shielding target for isotope production systems |
US8644571B1 (en) | 2011-12-06 | 2014-02-04 | Loma Linda University Medical Center | Intensity-modulated proton therapy |
CA3025564C (en) | 2015-06-05 | 2023-09-12 | University Health Network | Sensors with virtual spatial sensitivity for monitoring a radiation generating device |
KR20180033224A (en) | 2015-07-22 | 2018-04-02 | 뷰레이 테크놀로지스 인크. | Ion chambers for radiation measurement |
US9884206B2 (en) | 2015-07-23 | 2018-02-06 | Loma Linda University Medical Center | Systems and methods for intensity modulated radiation therapy |
WO2017151763A1 (en) | 2016-03-01 | 2017-09-08 | Intraop Medical Corporation | Low energy electron beam radiation system that generates electron beams with precisely controlled and adjustable penetration depth useful for therapeutic applications |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1369414A (en) * | 1963-06-11 | 1964-08-14 | Commissariat Energie Atomique | Method and device for triggering a gas detector for locating nuclear particles |
-
1973
- 1973-02-26 US US00335633A patent/US3852610A/en not_active Expired - Lifetime
-
1974
- 1974-02-25 FR FR7406317A patent/FR2219523B3/fr not_active Expired
- 1974-02-25 CA CA193,360A patent/CA994927A/en not_active Expired
- 1974-02-26 JP JP49022718A patent/JPS5053083A/ja active Pending
- 1974-02-26 GB GB873674A patent/GB1445519A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2219523B3 (en) | 1976-04-09 |
US3852610A (en) | 1974-12-03 |
GB1445519A (en) | 1976-08-11 |
JPS5053083A (en) | 1975-05-10 |
FR2219523A1 (en) | 1974-09-20 |
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