Method of making a test phantom

Details Method of making a test phantom Method of making a test phantom

1987-02-24

1988-02-09

Hoag, Willard

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

264113, 264126, 264134, 2642711, 26427215, 2642791, B29C 4132

Patent

active

047241101

ABSTRACT:
Method for making a test phantom and is disclosed which phantom is representative of human tissue containing variable concentrations of iodine to serve as a test device for assessing the performance of X-ray imaging systems such as digital subtraction angiographic apparatus. An iodine/polymer insert is embedded in a polyurethane composition which has X-ray adsorption characteristics similar to human body tissue. 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: 3596317 (1971-08-01), Nicholson
patent: 4344183 (1982-08-01), Jacobsen
patent: 4460832 (1984-07-01), Bigham
patent: 4472829 (1984-09-01), Riederer et al.
patent: 4646334 (1987-02-01), Zerhouni
patent: 4655700 (1987-04-01), Ahmed

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