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Positron imaging system with improved count rate and tomographic capability

Patent ·
OSTI ID:5001554
;
A positron imaging system and method in which two opposed Anger cameras are employed on opposite sides of an organ to be imaged are described. The cameras include a planar unitary scintillation crystal approximately one inch in thickness, and the electronics which process the signals from the cameras include pulse shaping circuitry to reduce both the duration and the integration time of pulses resulting from radioactive events. Both cameras exclude collimators to enable radiation incident upon them at many angles to be accepted, and means are included to rotate the opposed cameras about the organ of interest to enable transverse tomographic imaging.
Assignee:
G.D. Searle and Co.
Patent Number(s):
US 4057727
OSTI ID:
5001554
Country of Publication:
United States
Language:
English

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Related Subjects

440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
550601 -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
CAMERAS
DESIGN
ELECTRONIC CIRCUITS
EQUIPMENT
GAMMA CAMERAS
MEASURING INSTRUMENTS
MEDICINE
MOTION
NUCLEAR MEDICINE
POSITRON CAMERAS
PULSE CIRCUITS
PULSE SHAPERS
RADIATION DETECTORS
ROTATION
SCINTILLATION COUNTERS
TOMOGRAPHY