Equipment for spectral radiology

Patent · Tue Nov 25 04:00:00 EST 1986

OSTI ID:7165633

Okaya, Y

A medical diagnostic method is described for radiologically examining a living patient for a predetermined spectral feature indicative of predetermined absorption edges of target atoms in the living patient. The method includes a reflective monochromator having a bent, radiation reflective crystal, a source of radiation for producing x-rays at an energy range suitable for medical diagnostics and a spectrum suitable for producing images of the inside of the patient. The method comprises: directing the source of radiation at the monochromator; supporting the living patient at a position to intercept x-rays reflected from the monochromator; angularly positioning the monochromator to reflectively focus at a point in the living patient a narrowed bandwidth of the radiation with a wavelength continuously, spatially and angularly variable over a bandwidth embracing the predetermined spectral feature; and measuring on that side of the patient opposite the monochromator the extent of radiation passing through the patient at a position where the spectrum of the radiation is spatially distributed.

• Assignee: NOV; EDB-87-025374; NOV-85-035399
• Patent Number(s): US 4624323
• OSTI ID: 7165633
• Country of Publication: United States
• Language: English

Related Subjects

550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
ABSORPTION
BIOMEDICAL RADIOGRAPHY
CRYSTALS
DESIGN
DIAGNOSTIC TECHNIQUES
DISTRIBUTION
EQUIPMENT
IMAGE PROCESSING
IMAGES
INCIDENCE ANGLE
MEDICINE
MONOCHROMATORS
NUCLEAR MEDICINE
POSITIONING
PROCESSING
RADIATION SOURCES
RADIOLOGY
REFLECTION
SPATIAL DISTRIBUTION
WAVELENGTHS
X-RAY EQUIPMENT
X-RAY SOURCES