Measuring and testing – Orthopedic pressure distribution
Reexamination Certificate
2004-07-02
2008-11-11
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Orthopedic pressure distribution
Reexamination Certificate
active
07448264
ABSTRACT:
A non-destructive method for evaluating the strength of cancellous bone includes the steps of performing at least two of the following tests on each cancellous bone of a population of cancellous bones: a manual compression test, an apparent density test, and an appearance test; determining a compressive strength for each cancellous bone based on the two tests performed; comparing the determined compressive strength of each cancellous bone against a predetermined compressive strength requirement; and, eliminating a subset of cancellous bone from the population of cancellous bone, which subset of cancellous bone fails to meet the predetermined compressive strength requirement.
REFERENCES:
patent: 6442287 (2002-08-01), Jiang et al.
patent: 6761739 (2004-07-01), Shepard
patent: 7124067 (2006-10-01), Ascenzi
Boyce Todd M.
Kaes David R.
Shimp Lawrence A.
Winterbottom John M.
Davis Octavia
Dorsey & Whitney LLP
Lefkowitz Edward
Levitt, Esq. Kenneth E.
Osteotech Inc.
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