IMAGE FIBER, ENDOSCOPE HAVING IMAGE FIBER, AND ENDOSCOPE SYSTEM HAVING ENDOSCOPE
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United States of America Patent
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Issued Date -
Aug 18, 2022
app pub date -
Jun 25, 2020
filing date -
Jul 19, 2019
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Abstract
An image fiber includes: a plurality of cores; a cladding that integrally encloses the plurality of cores; a light guide fiber that propagates illumination light; and a light guide layer that covers an entire periphery of an external peripheral surface of the cladding and that is in contact with an external peripheral surface of the light guide fiber. The light guide layer is capable of propagating the illumination light.
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