Diagnosis apparatus using X-ray CT device

Details Diagnosis apparatus using X-ray CT device Diagnosis apparatus using X-ray CT device

1989-10-13

1991-05-21

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 21, 378 98, 378 99, 358111, H04N 532, G01N 2300, H05G 164, G21K 112

Patent

active

050181734

ABSTRACT:
A diagnosis apparatus using an X-ray CT includes an X-ray scanner for repeatedly scanning a single portion of a subject using an X-ray a plurality of times to output X-ray projection data, an injector for injecting a contrast medium into the subject, a data collecting device for collecting the X-ray projection data output from the X-ray scanner, an image reconstruction device for reconstructing the collected data to generate reconstructed image data, an image analyzing device for analyzing the image data obtained by the image reconstruction device to calculate parameters each representing a state of permeability of blood vessels, a computer for combining the parameters to form diagnosis images, and a display for displaying the diagnosis image.

REFERENCES:
patent: 4611341 (1986-09-01), Brody
patent: 4633307 (1986-12-01), Honda
patent: 4639867 (1987-01-01), Suzuki et al.
patent: 4706268 (1987-11-01), Onodera
Patent Abstracts of Japan, vol. 9, No. 54 (P-340)(1777), 8 Mar. 1985 & JP-A-59 190 682 (Toshiba K. K. 29.10.1984).
IEEE Transactions on Medical Imaging, vol. MI-4, No. 2, Jun. 1985, pp. 104-113, New York; M. Froeder et al.: "Dynamic Studies of Brain Tumors by the Use of Digital Fluoroscopy", p. 107, lines 26-51.
"Simplified, Noninvasive PEP Measurement of Blood-Barrier Permeability", Journal of Computer Assisted Tomography, vol. 11, No. 3 (May/Jun. 1987), pp. 390-397.

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