Anthropomorphic mammography and lung phantoms

Details Anthropomorphic mammography and lung phantoms Anthropomorphic mammography and lung phantoms

1995-06-05

1998-02-17

Wong, Don

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

G01D 1800

Patent

active

057199167

ABSTRACT:
The present invention provides an apparatus and a method of use and construction of Anthropomorphic Mammography and Lung Phantoms. The phantoms resolve deficiencies that currently exist in the practice of mammography and lung x-ray imaging. The mammography phantom provides mammography practitioners a training tool in the practice of proper patient breast positioning and in optimal patient x-ray exposure. The mammography phantom can be used to generate x-ray images similar to mammography patient x-ray images. The mammography phantom simulates normal breast tissue and tissue irregularities and anomalies associated with various known breast pathologies such as microcalcifications, cysts, tumors, etc. The mammography phantom preferably comprises the shape of an upper torso of a woman including one or two breast simulators which can vary in size, density, compressibility, and stretchability. The mammography phantom is preferably constructed such that the breast simulators can be detached from the upper torso phantom (which can include articulating arms) and replaced, enabling the mounting of a variety of breast simulator types. The upper torso of the mammography phantom also provides a rib cage (with pectoralis major muscle) for the mounted breast simulators, providing an additional element of realistic patient simulation. The lung phantom is a lung simulator which can be used with presently available human upper torso phantoms having an empty cavity into which the lung phantom can be inserted. The lung phantom provides fine x-ray patterns and anomalies in simulation of actual lung x-ray images.

REFERENCES:
patent: 3310885 (1967-03-01), Alderson
patent: 5266035 (1993-11-01), Olsen et al.
patent: 5273435 (1993-12-01), Jacobson
"Tissue substituted in experimental radiation physics", D.R. White; Medical Physics; Nov. 1978, pp. 467-479.
"Phantom for a Use in Lung Biopsy Training", Scott, Jr., Jul. 1992, pp. 286-287.
"The Phantom Patient for comprehensive basic training of radiologic technologists", Alderson Radiography Phantoms, 1979-1980, pp. 2-8.
"A Review of Mammography Test Objects for the Calibration of Resolution, Contrast, and Exposure," by Carolyn Kimme-Smith, Lawrence W. Bassett, and Richard H. Gold.

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