LIGHT RADIATING PROBE FOR PHOTODYNAMIC THERAPY EMPLOYING ENDOSCOPE
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United States of America Patent
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Issued Date -
Sep 12, 2019
app pub date -
Nov 15, 2017
filing date -
Nov 17, 2016
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Abstract
According to an aspect of the present invention, there is provided a light radiating probe which is flexible and uniformly radiates light emitted from a light scattering and radiating portion at all azimuth angles of 360° so as to enable the simultaneous radiation of light to cancers disposed at a plurality of places scattered in a wide region. The light radiating probe for photodynamic therapy according to the present invention includes an optical fiber which extends in an axial direction and through which light from a light source propagates, in which the optical fiber has a light guide portion which is formed by forming thin film cladding on a side surface of a flexible core, and a light scattering and radiating portion which is configured to scatter, with uniform intensity, light propagating through the light guide portion to a periphery of the light scattering and radiating portion in all azimuth angles with respect to an axial direction of the flexible core.
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