THERMOPLASTIC ELASTOMERIC BLOCK COPOLYMER BALLOON-TYPE CATHETERS

    公开(公告)号:CA1155578A

    公开(公告)日:1983-10-18

    申请号:CA316346

    申请日:1978-11-16

    Abstract: IMPROVED BALLOON-TYPE CATHETER Inventors: Lawrence F. Becker John J. Donohue Dean G. Laurin Henry M. Gajewski A balloon-type catheter is disclosed having a catheter shank made of a block copolymer having thermoplastic rubber characteristics with a central block of ethylene-butylene copolymer and terminal blocks of polystyrene. The inflatable balloon member, and preferably the distal Y-member, of the catheter are made of an elastic composition which includes the same or a similar block copolymer, in the presence of polystyrene or equivalent material as a tackifying agent, polypropylene, and an oil-type plasticizer.

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