Bone densitometer with improved vertebral characterization

Details Bone densitometer with improved vertebral characterization Bone densitometer with improved vertebral characterization

1994-11-23

1996-07-02

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 55, 378 56, G01B 1502

Patent

active

055330843

ABSTRACT:
A dual energy densitometer includes a solid statement near x-ray detector which may be swept across the patient with movement of both to produce a matrix of data elements representing attenuation through the patient. Each of these data elements may be characterized as to its material type by the use of the data element values, templates representing general rules to be applied to the bone and operator input. The operator input is provided by a cursor controlled paintbrush which changes classifications of individual pixels based on a selected brush type.

REFERENCES:
patent: 4721112 (1988-01-01), Hirano et al.
patent: 4811373 (1989-03-01), Stein
patent: 5172695 (1992-12-01), Cann
patent: 5228068 (1993-07-01), Mazess
patent: 5235628 (1993-08-01), Kalender
patent: 5291537 (1994-03-01), Mazess
patent: 5306306 (1994-04-01), Bisek et al.
Lunar Corporation, Operator's Manual for DPX, DPX-L, DPX-.alpha.lpha, and DPX-A Software, Sep. 1992.

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