GEOMETRICALLY TUNABLE HYDROGEL-BASED CHEMICALLY-ELUTING SHUNT PROSTHESIS
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United States of America Patent
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Issued Date -
Jun 18, 2020
app pub date -
Dec 14, 2019
filing date -
Dec 14, 2018
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Abstract
A shunt prosthesis comprises a synthetic tube having an inner wall defining a fixed inner diameter of the synthetic tube and a layer of hydrogel of a predetermined thickness coating the inner wall of the synthetic tube such that the layer of hydrogel has a fixed outer diameter and such that an inner diameter of the layer of hydrogel defines a diameter of a lumen extending through and defined by the shunt prosthesis. The layer of hydrogel being configured such that the predetermined thickness of the layer of hydrogel is reducable in vivo over a predetmined period of time by controlling the crosslinking density of the layer of hydrogel. A method of controlling flow through a shunt prosthesis is also provided.
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