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Title: Methods of in vivo radiation measurement

Abstract

Methods of and apparatus for in vivo radiation measurements relay on a MOSFET dosimeter of high radiation sensitivity with 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.

Inventors:
 [1];  [1];  [1];  [2];  [1];  [1];  [1]
+ Show Inventor Affiliations
  1. Albuquerque, NM
  2. Galveston, TX
Issue Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
OSTI Identifier:
867633
Patent Number(s):
4976266
Assignee:
United States Department of Energy (Washington, DC)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61N - ELECTROTHERAPY
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DOE Contract Number:  
AC04-76
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
methods; vivo; radiation; measurement; apparatus; measurements; relay; mosfet; dosimeter; sensitivity; operates; passive; mode; provide; integrated; dose; detector; active; irradiation; rate; compensating; circuit; matched; unirradiated; provided; operate; current; designed; eliminate; temperature; dependence; device; preferably; rigidly; mounted; miniature; catheter; implanted; patient; proximate; source; active mode; radiation source; temperature dependence; rigidly mounted; radiation measurements; radiation sensitivity; passive mode; vivo radiation; radiation measurement; compensating circuit; /600/250/

Citation Formats

Huffman, Dennis D, Hughes, Robert C, Kelsey, Charles A, Lane, Richard, Ricco, Antonio J, Snelling, Jay B, and Zipperian, Thomas E. Methods of in vivo radiation measurement. United States: N. p., 1990. Web.
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Huffman, Dennis D, Hughes, Robert C, Kelsey, Charles A, Lane, Richard, Ricco, Antonio J, Snelling, Jay B, & Zipperian, Thomas E. Methods of in vivo radiation measurement. United States.
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Huffman, Dennis D, Hughes, Robert C, Kelsey, Charles A, Lane, Richard, Ricco, Antonio J, Snelling, Jay B, and Zipperian, Thomas E. Mon . "Methods of in vivo radiation measurement". United States. https://www.osti.gov/servlets/purl/867633.
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@article{osti_867633,
title = {Methods of in vivo radiation measurement},
author = {Huffman, Dennis D and Hughes, Robert C and Kelsey, Charles A and Lane, Richard and Ricco, Antonio J and Snelling, Jay B and Zipperian, Thomas E},
abstractNote = {Methods of and apparatus for in vivo radiation measurements relay on a MOSFET dosimeter of high radiation sensitivity with 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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1990},
month = {Mon Jan 01 00:00:00 EST 1990}
}
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