Method for bonding polyurethane balloons to multilumen catheters

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United States of America Patent

PATENT NO 4737219
SERIAL NO

06932856

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for making a balloon for use on a multilumen catheter using as a form for the balloon a mandrel having at least one groove and at least one score line. The mandrel is rotated while metering into the groove a thermoplastic adhesive. The balloon stock is formed by coating the mandrel with a solid thermosetting polyurethane prepolymer. After cooling of the mandrel a film of thermoplastic adhesive is wrapped over the balloon at about the score line. Once the assembly is cured the balloon stock is removed to result in a balloon having an adhesive film on the internal wall at one end and an adhesive film on the external wall at the other end.

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Patent Owner(s)

  • BECTON, DICKINSON AND COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daugherty, Charles Xenia, OH 6 270
Taller, Robert A Centerville, OH 24 2202

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