Beds – Invalid bed or surgical support – Adapted for imaging
Reexamination Certificate
2006-09-12
2006-09-12
Engle, Patricia L. (Department: 3673)
Beds
Invalid bed or surgical support
Adapted for imaging
C005S621000, C005S624000
Reexamination Certificate
active
07103930
ABSTRACT:
The present invention concerns a device for the calibration and standardization of the rotation and movement of a patient's hip. More particularly the present invention relates to a device for the calibration and standardization of the rotation and movement of the hip for use in connection with improving the reproducibility and accuracy of a diagnostic procedure such as, for example, bone density measurement using dual x-ray absorptiometry (DXA).
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Effect of Femoral Rotation On Bone Mineral Density Measurements With Dual Eenrgy X-Ray Absorptiometry. Goh JC, Low SL, Bose K. Calcif Tissue Int Nov. 1995; 57(5);340-3.
Effects of a New Positioner on the Precision of Hip Bone Mineral Density Measurements D. Hans, F. Duboeuf, A.M. Schott, S. Horn, L.V. Avioli, M.K. Drezner, P.J. Meunier Journal of Bone and Mineral Research, vol. 12, Nov. 12, 1997.
Bilateral Measurement of Femoral Bone Mineral Density R. Mazess, R.H. Nord, J.A. Hanson, H.S. Barden Journal of Clinical Densitiometry, vol. 3, No. 2. pp. 133-140, Summer 2000.
Conley Fredrick
Dippert William H.
Engle Patricia L.
The Trustees of Columbia University
Wolf Block Schorr & Solis-Cohen LLP
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