Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1999-05-12
2000-12-05
Kamm, William E.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
A61B 500
Patent
active
061578568
ABSTRACT:
A method for in-vivo analysis of a biomedical sample characterized by contacting the sample with a chalcogenide glass fiber directly or through a crystal or other medium, with the chalcogenide fiber having input and output ends and light transmitted thereby with some of the light leaving the fiber to form evanescent field, which fiber transmits a signal in response to absorption of some of the light in the evanescent field by the sample, and processing the signal with a Fourier Transform IR Spectrometer to obtain a spectrum which indicates surface character of the sample without water masking the signal.
REFERENCES:
Article entitled "Diagnostics of cancer by fiberoptic evanescent wave FITR FEW-FITR) spectroscopy" by Afanasyeve et al and published in SPIE in 1996.
Article entitled "Detection of Spectral differences between normal and cancerous tissue using near-infrared spectroscopy" by Cooney et al and published in BTuA2-1/67 probably in 1967.
Article entitled "MIR-fiber spectroscopy for minimal invasive diagnostics" by Artjushenko et al and published in SPIE in.
Article entitled "Infrared fibers:power delivery and medical applications" by Artjushenko et al and published in SPIE in 1995.
Aggarwal Ishwar D.
Sanghera Jasbinder
Kamm William E.
Kap George A.
Karasek John J.
The United States of America as represented by the Secretary of
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