Densitometer for scanning os calcis for predicting osteoporosis

Details Densitometer for scanning os calcis for predicting osteoporosis Densitometer for scanning os calcis for predicting osteoporosis

1987-11-30

1989-05-09

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 54, 378146, 378208, 128653, 128659, G01N 2300

Patent

active

048295493

ABSTRACT:
The level of relative risk of osteoporosis in human subjects can be quickly determined by: measuring the bone mineral content of the os calcis (heel)--which is highly trabecular--and; assessing relative non-violent fracture risk at substantially all skeletal sites (both spinal and non-spinal) due to osteoporosis of the subject from the os calcis mineral content determination. The bone mineral content of a cortical bone site, such as the proximal radius (forearm), can also be determined. The densitometer apparatus includes a heel holding structure, or a forearm holding structure, which may be placed between a low energy source of gamma and/or x-rays, and a detector. The source and detector are mounted on a C-shaped yoke, which yoke can be moved horizontally and vertically during a rectilinear scan, and which can be rotated about a vertical axis when computed tomography (CT) capabilities are necessary.

REFERENCES:
patent: 3639764 (1972-02-01), Olson et al.
patent: 3803417 (1974-04-01), Kok
patent: 4260898 (1981-04-01), Annis

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