Bone assessment apparatus

Details Bone assessment apparatus Bone assessment apparatus

1993-05-20

1994-09-20

Pfaffle, K. M.

Surgery

Truss

Pad

12866001, 12866103, 73597, 378 89, 378 54, A61B 500, A61B 600, A61B 800

Patent

active

053480090

ABSTRACT:
An apparatus for providing assessment indices related to bone strength which are useful in predicting the risk of bone fracture. The apparatus measures the mineral density of bone (BMD) by means of X-rays, while the propagation speed of sound V in the bone and bone thickness d are measured by means of ultrasonic waves. The bone mineral content per unit volume, i.e. the bone volume density .rho., is computed from the bone mineral density (BMD) and the thickness of the bone. An assessment value E is then computed based on V and .rho..

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European Search Report dated Sep. 27, 1993.
Andre, Michael P. et al., "Measurement of the velocity of ultrasound in the human femur in vivo," Medical Physics, vol. 7 (1980) Jul./Aug., pp. 324-330.

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