Punctal plug comprising a water-insoluble polymeric matrix

China Patent

PATENT NO 101553207
APP PUB NO CN-101553207-A
SERIAL NO

200780041662

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The invention provides a pharmaceutical composition comprising a water insoluble polymer matrix that comprises a bioerodable polyester polymer or a fatty acid based polyester polymer, or a mixture of both polymers, wherein the polymer matrix has a melting point of less than 60 DEG C, and wherein the composition is liquid or paste at room temperature and is formulated to occlude a punctual channel in a subject and conforms to the shape of the canalicular or punctal channel.

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