Anatomic phantom for evaluation of projection radiographic imagi

Details Anatomic phantom for evaluation of projection radiographic imagi Anatomic phantom for evaluation of projection radiographic imagi

1997-05-14

1999-06-08

Church, Craig E.

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

378210, G01D 1800

Patent

active

059109750

ABSTRACT:
An anatomic X-ray phantom having two layers of radiolucent material, at least one layer of metallic material therebetween, and a test pattern. The metallic layer is of a shape regionally similar to a corresponding human anatomy portion and has X-ray absorptive characteristics similar to the corresponding human anatomy portion. The test pattern is for X-ray quality assurance testing of the imaging system and is positioned inside the phantom in an area having radiopacity/radiolucency characteristics similar to the corresponding human anatomy portion. Other metallic layers also may be disposed between the two radiolucent layers. Preferably, the test pattern is directly adhered to a metallic layer on the side thereof facing the direction of the source of x-ray photons from the X-ray system.

REFERENCES:
patent: 4646334 (1987-02-01), Zerhouni
patent: 5544157 (1996-08-01), Wenstrup et al.
patent: 5651046 (1997-07-01), Floyd et al.

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