Copolymer and medical device, separation membrane module for medical use, and blood purifier including the same
AssigneeToray Industries, Inc.
InventorsSuguru Ushiro, Hiroshi Takahashi, Yoshiyuki Ueno
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Abstract
A copolymer has blood compatibility and antithrombotic properties of greatly suppressing protein adhesion to be usable even when in contact with a biological component such as blood for a long period of time, and a medical device uses the copolymer. The copolymer is characterized by including a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit contains at least one type of a carboxylic acid vinyl unit, and the number of carbon atoms at the terminal of a side chain of the carboxylic acid vinyl unit is 2-7.
Claims14
A copolymer comprising a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit includes at least one vinyl carboxylate unit, and the vinyl carboxylate unit has 2 or more and 7 or less carbon atoms at a side chain terminal thereof, wherein the hydrophilic unit includes a vinylpyrrolidone unit.
A medical device comprising a copolymer comprising a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit includes at least one vinyl carboxylate unit, and the vinyl carboxylate unit has 2 or more and 7 or less carbon atoms at a side chain terminal thereof, comprising the copolymer introduced onto at least a part of a surface thereof that is in contact with a biological component.
A separation membrane module for medical use, comprising a separation membrane including a copolymer comprising a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit includes at least one vinyl carboxylate unit, and the vinyl carboxylate unit has 2 or more and 7 or less carbon atoms at a side chain terminal thereof.
A blood purifier comprising a copolymer comprising a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit includes at least one vinyl carboxylate unit, and the vinyl carboxylate unit has 2 or more and 7 or less carbon atoms at a side chain terminal thereof.
Dependencies are inferred from the claim text.