FR2331127A1 - Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods - Google Patents

Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods

Info

Publication number
FR2331127A1
FR2331127A1 FR7534164A FR7534164A FR2331127A1 FR 2331127 A1 FR2331127 A1 FR 2331127A1 FR 7534164 A FR7534164 A FR 7534164A FR 7534164 A FR7534164 A FR 7534164A FR 2331127 A1 FR2331127 A1 FR 2331127A1
Authority
FR
France
Prior art keywords
source
spring
drum
coil
shaft
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.)
Granted
Application number
FR7534164A
Other languages
French (fr)
Other versions
FR2331127B1 (en
Inventor
Emeric Weiss
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.)
CGR MEV SA
Original Assignee
CGR MEV 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 CGR MEV SA filed Critical CGR MEV SA
Priority to FR7534164A priority Critical patent/FR2331127A1/en
Publication of FR2331127A1 publication Critical patent/FR2331127A1/en
Application granted granted Critical
Publication of FR2331127B1 publication Critical patent/FR2331127B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/02—Transportable or portable shielded containers with provision for restricted exposure of a radiation source within the container
    • G21F5/04—Means for controlling exposure, e.g. time, size of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

An irradiation appts. incorporates a source of radiation, a carrier for the source, a protective shield and a system for rotating the support into positions in which the source radiates, and does not radiate, successively and a system of immobilising the support in one or the other position for a predetermined time. The source may be a radioisotope e.g. Co 60 or Cs 137 or another natural or artificial radioactive element. The support is a disc with a cell at its periphery opening towards the outside, and placed inside the protective shield. The rotation system consists of a shaft at the centre of the disc and perpendicular to it, a drum fixed coaxially on the shaft, a tubular key, capable of turning about the shaft, a toothed wheel fixed coaxially on the key. The toothed wheel can be immobilised by pawls. A spiral spring, around the shaft, has its inner end fixed to the toothed wheel and its outer and fixed to the drum. The spring can be put under tension by the key and allows sequential 180 degrees rotations of the support, always in the same sense. The system of immobilising the source is associated with the drum, which has two notches at 180 degrees on the periphery. It consists of a coil, an electrical feed circuit connected to the coil, a soft iron core within the coil and a spring. The core has a pin at one end which can engage in the nothces. The spring holds the pin against the drum when the coil is disconnected. The circuit consists of a source of potential, a time-switch and a micro-contact associated with the drum, closing the circuit for a predetermined time. The appts. is simple and can be used for small doses of irradiation over a long time. The sequential operation can be programmed.
FR7534164A 1975-11-07 1975-11-07 Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods Granted FR2331127A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7534164A FR2331127A1 (en) 1975-11-07 1975-11-07 Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7534164A FR2331127A1 (en) 1975-11-07 1975-11-07 Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods

Publications (2)

Publication Number Publication Date
FR2331127A1 true FR2331127A1 (en) 1977-06-03
FR2331127B1 FR2331127B1 (en) 1981-01-23

Family

ID=9162204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534164A Granted FR2331127A1 (en) 1975-11-07 1975-11-07 Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods

Country Status (1)

Country Link
FR (1) FR2331127A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040280A1 (en) * 1980-05-13 1981-11-25 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Device for the storage of a radioactive source and for the irradiation of a body by the radiation of that source
EP0151058A1 (en) * 1984-01-20 1985-08-07 Société anonyme: COMPAGNIE ORIS INDUSTRIE Device for putting a radioactive sourc in a cylindrical housing, and method of transporting this surce to a shipping container
FR2920587A1 (en) * 2007-09-05 2009-03-06 Inst La Soudure Pear shaped collimator for non-destructive control device, has wall with variable thickness defining collimator thickness for emitted radiation based on source and materials to guarantee radiation attenuation except focused radiations
EP2256518A3 (en) * 2009-05-26 2011-09-07 Dosibiologica S.L. Process and equipment for the measurement of ionizing radiation doses in patients

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040280A1 (en) * 1980-05-13 1981-11-25 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Device for the storage of a radioactive source and for the irradiation of a body by the radiation of that source
EP0151058A1 (en) * 1984-01-20 1985-08-07 Société anonyme: COMPAGNIE ORIS INDUSTRIE Device for putting a radioactive sourc in a cylindrical housing, and method of transporting this surce to a shipping container
FR2920587A1 (en) * 2007-09-05 2009-03-06 Inst La Soudure Pear shaped collimator for non-destructive control device, has wall with variable thickness defining collimator thickness for emitted radiation based on source and materials to guarantee radiation attenuation except focused radiations
WO2009066023A2 (en) * 2007-09-05 2009-05-28 Institut De Soudure Collimator for a non-destructive testing device using gamma radiography
WO2009066023A3 (en) * 2007-09-05 2009-08-13 Inst Soudure Collimator for a non-destructive testing device using gamma radiography
EP2256518A3 (en) * 2009-05-26 2011-09-07 Dosibiologica S.L. Process and equipment for the measurement of ionizing radiation doses in patients

Also Published As

Publication number Publication date
FR2331127B1 (en) 1981-01-23

Similar Documents

Publication Publication Date Title
US2798164A (en) Portable X-ray or gamma source
FR2331127A1 (en) Irradiation head utilising radioisotopes in spring-rotated carrier - and having electrically controlled stops giving predetermined irradiation periods
GB953535A (en) Improvements in x-ray diffractometers
DE2962617D1 (en) Device for automatically reading the irradiation dose on a portable ionization-chamber dosimeter
JPS56101578A (en) Radiation type tomography device
US2525464A (en) Time exposure indicator for sun lamps
DE3070096D1 (en) Device for the storage of a radioactive source and for the irradiation of a body by the radiation of that source
ES291016A1 (en) Shutter controlled radiographic exposure unit
GB1058657A (en) A control rod for a nuclear reactor
FR2299845A1 (en) Rotating radiographic appts. encompassing patient - has detector receiving radiation after penetrating patient's body
ES445867A1 (en) Safety belt winding apparatus
GB989393A (en) Improvements in or relating to nuclear reactor fuel elements
JPS5386538A (en) Device for converting and programming information code by variable matrix wires
ES443625A1 (en) Fixed head, direct access storage device
JPS5223903A (en) Magnetic recording reproducing device
JPS5262062A (en) Magnetic escaping wheel for magnetic escapement device
FR2051797A1 (en) Fuel elements for nuclear reactors
ES250599A1 (en) Improvements in secret closure mechanisms (Machine-translation by Google Translate, not legally binding)
FR2283475A1 (en) Fixing timepiece balance spring to bolt - using fusible material for holding end of spring
JPS5281841A (en) Free wheel with wire and mechanism rotated thereby
FR2322308A1 (en) Balance mechanism with intermittently rotating indexing wheel - carrying blocking wheel acted on by blocking lever in time piece
RAMANNA Nuclear physics- nuclear reactions, spectroscopy, magnetic resonance, neutron scattering and diffraction, radiation damage- symposium, 1962
ES328912A3 (en) Improvements in the manufacture of supports for continuous magnetofonic tapes. (Machine-translation by Google Translate, not legally binding)
JPS5343197A (en) Radiotherapy device
Conzett et al. Nuclear science annual report, 1975

Legal Events

Date Code Title Description
ST Notification of lapse