Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2006-01-11
2011-11-15
Noori, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
Reexamination Certificate
active
08056422
ABSTRACT:
When visualizing the stress distribution of natural bone, synthetic bone, or a member attached to either thereof without omitted points, in order to measure accurately in a variety of modes using an inexpensive system, a mechanoluminescence material thin film6is formed in advance on a bone material peripheral surface5in an appropriate area thereof including the portion where an insertion support portion4of an artificial hip prosthesis2is inserted into a hollow inside3of a damaged femur1or a synthetic bone simulating the damaged femur. The mechanoluminescence material thin film6portion is photographed over its entire circumference with an IICCD camera7from the external peripheral side thereof as or after the artificial hip prosthesis2is inserted. The obtained image is fed to a computer11to obtain a luminescence image8. The computer11outputs the intensities of the received light in the form of an image as is, so that the luminescence image8can be obtained easily. Particularly, the data about the intensities of the received light can be used as stress/strain data virtually as is. Such method is also suitable for dynamic analysis.
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Hyodo Koji
Xu Chao-Nan
National Institute of Advanced Industrial Science and Technology
Noori Max
Westerman Hattori Daniels & Adrian LLP
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