X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1997-02-03
1999-09-07
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Absorption
378 56, G01N 2300
Patent
active
059498463
ABSTRACT:
A method of measuring bone mineral density (BMD) of a selected region of bone in a small body portion (such as a limb or extremity), using a mini C-arm x-ray fluoroscopic imaging system to acquire the data from which the BMD is calculated. Apparatus for performing the method includes a tray for positioning the small body portion in the x-ray beam path of the imaging system and a sample of bone of predetermined density supported by the tray in side-by-side relation to the selected region of bone.
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Cabral Richard E.
Quinn Vincent E.
Shepherd John A.
Stein Jay A.
Weiss Howard P.
Hologic Inc.
Porta David P.
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