Image analysis – Applications – Biomedical applications
Reexamination Certificate
2011-01-18
2011-01-18
Mariam, Daniel G (Department: 2624)
Image analysis
Applications
Biomedical applications
C382S218000
Reexamination Certificate
active
07873198
ABSTRACT:
The present invention provides an apparatus and methods for measuring proportions of body materials in body parts. The apparatus includes a device for retaining the body part, at least one reference material with at least two thicknesses positioned adjacent to the device, and at least three radiopaque markers positioned on the reference material(s). The reference material(s) each have an attenuation characteristic that is selected in correspondence to the body materials in the body part. The apparatus further includes a radiation device to simultaneously irradiate the body part, the reference material(s) and the radiopaque markers as well as a detector to detect attenuated beams of radiation and a pattern projected from the irradiated radiopaque markers. A calculation device determines the thickness of the body part based on this projected pattern and compares the attenuation values of the body part and the reference material(s) at the determined thickness.
REFERENCES:
patent: 5657362 (1997-08-01), Giger et al.
patent: 5768334 (1998-06-01), Maitrejean et al.
patent: 5844965 (1998-12-01), Galkin et al.
patent: 6516045 (2003-02-01), Shepherd et al.
patent: 6674835 (2004-01-01), Kaufhold et al.
Cummings Steven R.
Malkov Serghei
Shepherd John A.
Baker, Jr. Joseph R.
Gavrilovich Dodd & Lindsey LLP
Mariam Daniel G
Sutter West Bay Hospitals
The Regents of the University of California
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