Soft tip drug-eluting urinary drainage catheter
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United States of America Patent
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Feb 27, 2024
Grant Date -
Nov 9, 2023
app pub date -
May 5, 2022
filing date -
May 5, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A balloon retention urinary catheter includes a porous and spongy distal tip. In one method, a polymer is mixed with sacrificial particles and the mixture is molded in the form of the tip, and then cured. The cured tip is then placed in a solvent in which the sacrificial particles elute from the tip but in which the polymer is insoluble. Once the particles elute out of the polymer in the tip, a softer porous polymeric structure results. The tip may be structured to be softer prior to use or for transformation to a softer state once in the bladder.
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