Test phantom and method of use of same

Details Test phantom and method of use of same Test phantom and method of use of same

1983-11-28

1987-03-10

Church, Craig E.

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

2502521, 378 18, G01D 1800

Patent

active

046495614

ABSTRACT:
A test phantom and method of fabrication and use of the same is disclosed which phantom is representative of human tissue containing variable concentrations of iodine to serve as a test device in for assessing the performance of X-ray imaging systems such as digital subtraction angiographic apparatus. The method of fabrication provides the long-term stable incorporation of iodine into a tissue equivalent material which allows standardized testing and evaluation of X-ray imaging systems. The incorporation of additional test details into geometrically fixed positions in the phantom allows accurate and reproduceable measurements of other performance parameters of digital X-ray imaging systems.

REFERENCES:
patent: 4344183 (1982-08-01), Jacobson
patent: 4460832 (1984-07-01), Bigham
patent: 4472829 (1984-09-01), Riederer et al.
Lin, "Penetration Quality Measurement for Standardization of Radiographic Image Quality", Medical Physics, vol. 2, No. 1, pp. 5-8, Jan./Feb. 1975.
Digital Subtraction Phantom Operating Manual, General Electric Company.
Napp Chemicals Inc. brochure of Povidone-Iodine, U.S.P.
Tissue Substitutes in Experimental Radiation Physics, D. R. White, Med. Phys. 5(6), Nov./Dec. 1978.
Proceedings of SPIE-The International Society for Optical Engineering, vol. 273, Mar. 22-24, 1981.
Digital Video Angiography System Evaluation by Ben Arnold et al., Nov./Dec. 1981.
Iodine Sensitivity of Digital Imaging Systems-Riederer, et al., SPIE vol. 314, Digital Radiography (1981).
Performance Characteristics of a Digital Fluorographic System by Riederer, et al., SPIE vol. 273, Application of Optical Instrumentation in Medicine IX (1981).

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