[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Simpson et al., 1982 - Google Patents

A 4‐MV CT scanner for radiation therapy: The prototype system

Simpson et al., 1982

Document ID
12370479228987440283
Author
Simpson R
Chen C
Grubbs E
Swindell W
Publication year
Publication venue
Medical Physics

External Links

Snippet

A Varian 4‐MV isocentric therapy accelerator has been modified to perform also as a CT scanner. The goal is to provide a computed tomography capability for use in radiotherapy at low cost. We envision three principal uses for the system. These are (i) to provide two and …
Continue reading at aapm.onlinelibrary.wiley.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Application in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/582—Calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2018—Scintillation-photodiode combination
    • 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
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/54—Control of devices for radiation diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44—Constructional features of the device for radiation diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Tables or beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons

Similar Documents

Publication Publication Date Title
Simpson et al. A 4‐MV CT scanner for radiation therapy: The prototype system
EP0489154B1 (en) Method for improving the dynamic range of an imaging system
Groh et al. A performance comparison of flat‐panel imager‐based MV and kV cone‐beam CT
Jaszczak et al. Whole-body single-photon emission computed tomography using dual, large-field-of-view scintillation cameras
EP0489906B1 (en) Radiation therapy simulator machine
EP0489904B1 (en) Radiation therapy x-ray simulator
EP0489908B1 (en) Method for increasing the accuracy of a radiation therapy apparatus
Harris et al. Tc‐99m attenuation coefficients in water‐filled phantoms determined with gamma cameras
EP0526970B1 (en) Imaging methods and apparatus
Battista et al. Compton scatter imaging of transverse sections: an overall appraisal and evaluation for radiotherapy planning
Ter-Pogossian Basic principles of computed axial tomography
Lewis et al. A megavoltage CT scanner for radiotherapy verification
Conway et al. Average radiation dose in standard CT examinations of the head: results of the 1990 NEXT survey.
Aoyama et al. An in‐phantom dosimetry system using pin silicon photodiode radiation sensors for measuring organ doses in x‐ray CT and other diagnostic radiology
Smith et al. Singles transmission scans performed post-injection for quantitative whole body PET imaging
WO1994009383A1 (en) Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data
Koyama et al. Radiation dose evaluation in tomosynthesis and C‐arm cone‐beam CT examinations with an anthropomorphic phantom
Yin et al. Input/output characteristics of a matrix ion‐chamber electronic portal imaging device
Perisinakis et al. Patient effective radiation dose and associated risk from transmission scans using 153Gd line sources in cardiac spect studies
Greer et al. Transmission computed tomography data acquisition with a SPECT system
Monajemi et al. A bench‐top megavoltage fan‐beam CT using‐photodiode detectors. II. Image performance evaluation
McDavid et al. Direct digital extraoral radiography of the head and neck with a solid-state linear x-ray detector
Greer et al. SPECT: A practical guide for users
Brownell et al. PCR-I-High resolution positron tomograph using analog coding
Frey et al. A comparison of Gd-153 and Co-57 as transmission sources for simultaneous TCT and Tl-201 SPECT