Determination of the ultrastructure of connective tissue by an infrared fiber-optic spectroscopic probe
Patent 6934576 Issued on August 23, 2005. Estimated Expiration Date: May 10, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
600/473, Infrared radiation600/475, With comparison means (e.g., ratio of or comparison to a standard)436/63, BIOLOGICAL CELLULAR MATERIAL TESTED436/164, OPTICAL RESULT436/171, Spectrum analysis (e.g., flame photometry, etc.)250/341.2Including probe
A method for the evaluation of the ultrastructure of connective tissue, such as cartilage, including (a) providing a probe operative in the near-infrared or mid-infrared region of the electromagnetic spectrum, (b) positioning the probe either to be in contact with the connective tissue (for detecting attenuated total reflectance) or within a sufficient distance from the surface of the connective tissue (for detecting reflection), (c) detecting infrared radiation which penetrates the surface of the connective tissue for detecting attenuated total reflectance or which reflects off the surface of the connective tissue and (d) analyzing the infrared radiation from step (c) for at least one of peak height, peak area and frequency, and comparing at least one of the peak height, the peak area and the frequency for established values for at least one of peak height, peak area and frequency for normal connective tissue to detect a modification in the molecular structure of the connective tissue.
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May 10, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
