Methods of and apparatus for radiation measurement, and specifically for in vivo radiation measurement

Patent · Fri Aug 29 04:00:00 EDT 1986

OSTI ID:6533896

Huffman, D D; Hughes, R C; Kelsey, C A; Lane, R; Ricco, A J; Snelling, J B; Zipperian, T E

Methods of and apparatus for in vivo radiation measurements rely on a MOSFET dosimeter of high radiation sensitivity which operates in both the passive mode to provide an integrated dose detector and active mode to provide an irradiation rate detector. A compensating circuit with a matched unirradiated MOSFET is provided to operate at a current designed to eliminate temperature dependence of the device. Preferably, the MOSFET is rigidly mounted in the end of a miniature catheter and the catheter is implanted in the patient proximate the radiation source.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• DOE Contract Number: AC04-76DP00789
• Assignee: Dept. of Energy
• Patent Number(s): None
• Application Number: ON: DE87007215
• OSTI ID: 6533896
• Country of Publication: United States
• Language: English

Related Subjects

440102* -- Radiation Instrumentation-- Radiation Dosemeters
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DESIGN
DETECTION
DOSE RATEMETERS
DOSEMETERS
DOSES
DOSIMETRY
ELECTRONIC CIRCUITS
FABRICATION
FIELD EFFECT TRANSISTORS
INTEGRAL DOSES
MEASURING INSTRUMENTS
MEDICINE
MOS TRANSISTORS
MOSFET
NUCLEAR MEDICINE
PATIENTS
PHYSICAL RADIATION EFFECTS
RADIATION DETECTION
RADIATION DETECTORS
RADIATION DOSES
RADIATION EFFECTS
RADIOLOGY
RADIOTHERAPY
SEMICONDUCTOR DETECTORS
SEMICONDUCTOR DEVICES
TEMPERATURE DEPENDENCE
THERAPY
TRANSISTORS