X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1989-10-02
1991-01-15
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378207, G01N 2300
Patent
active
049859064
ABSTRACT:
A calibration phantom for the quantitative computer tomography (QCT) system for bone or other tissue measurement in which a series of graduated reference solutions are retained within cavities formed in a translucent member having x-ray attenuation characteristics closely approximate to human tissue. In preferred embodiment, the reference solutions are sealed under pressure in direct contact with the material forming the base of the phantom. Only a very thin wall separates the solution from the upper and lower surfaces of the phantom. In addition, the cavities are closely adjacent one another. As a result, phantoms constructed in accordance with this invention minimize the size and mass of the phantom and thus minimize x-ray beam hardening, scatter and image are the facts.
REFERENCES:
patent: 4115691 (1978-09-01), Oldendorf
patent: 4124799 (1978-11-01), Schittenhelm
patent: 4233507 (1980-11-01), Votz
patent: 4649561 (1987-03-01), Arnold
patent: 4724110 (1988-02-01), Arnold
Cann et al., "Spinal Mineral Loss in Oophorectomized Women," Jama, Nov. 7, 1980, vol. 244, No. 18.
LandOfFree
Calibration phantom for computer tomography system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Calibration phantom for computer tomography system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calibration phantom for computer tomography system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-60413