Keywords: Medical Devices, Diagnostic Imaging, Colposcope, Cervical Cancer, Polarization Adaptor
The Eunice Shriver National Institute of Child Health and Human Development, Section on Analytical and Functional Biophotonics is seeking statements of capability or interest from parties interested in collaborative research to further develop, evaluate, or commercialize the polarization camera for cervical tissue characterization.
Description of Invention:
This invention is directed to a polarization adaptor for colposcopes. The colposcope is a medical diagnostic device that examines an illuminated magnified view of a patient''''s cervical, vaginal, and vulva tissues during a colposcopy procedure. Specifically, the invention provides for a specialized polarized camera (polarization adaptor) for integration into commercially available colposcopes. The addition of polarization to currently available colposcope results in an enhanced image video output that allows the user to view hidden subsurface tissue structures and textures, thereby allowing for better diagnosis of pathological conditions.
Although the use of polarized light in the imaging of biological tissues is not new to the field of diagnostic imaging and is well described in the literature, the subject invention is directed to the specific device (i.e., the polarization adapter) used in the imaging process. The device which can readily be adapted to commercial colposcope enables the separation of specularly reflected light from diffusely backscattered light, coming from deeper tissue layers. In combination with suggested data processing algorithm, based on correlation analysis, this allows one to enhance imaging of the hidden subsurface tissue structure (texture).
U.S. Provisional Application No. 61/242,652 filed September 15, 2009, entitled "Polarization Adapter for Colposcope"
Joseph Conrad, Ph.D., J.D.
NCI Technology Transfer Center
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