Optical catheter configurations combining raman spectroscopy with optical fiber-based low coherence reflectometry
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United States of America Patent
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May 31, 2011
Grant Date -
Dec 11, 2008
app pub date -
Jun 8, 2008
filing date -
Jun 8, 2007
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Expired
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Abstract
The present invention provides apparatuses and methods for sample analysis, such as tissue analysis, that integrate high wavenumber (HW) Raman spectroscopy for chemical composition analysis and optical coherence tomography (OCT) to provide depth and morphological information. The invention also provides side-viewing optical probes that are based on a single double clad optical fiber for performing the combined HW Raman spectroscopy and OCT. Intravascular catheter embodiments and related vascular diagnostic methods are also provided.
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