CATHETER APPARATUS FOR PHOTODYNAMIC THERAPY
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
May 16, 2022
filing date -
Jun 3, 2021
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Abstract
A catheter apparatus for photodynamic therapy includes: a catheter movable to a lesion site of tissues; a stent installed to be inserted into and retracted from an end of the catheter such that a length thereof is adjustable, and coated with a photosensitizer, and an optical fiber inserted into the catheter to be movable to be positioned at a central portion of the stent. The optical fiber irradiates the photosensitizer with a laser to activate the photosensitizer in a state where the stent is pulled out from the catheter and expanded.
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