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Catheter and method of manufacture

Image Number 4 for United States Patent #7988658.

A blood vessel catheter includes a dual lumen catheter tube and a bolus insert attached to the distal end of the tube. First and second ports are formed between the nose section of the bolus and distal end openings of first and second lumens in the tube. The catheter is fabricated by insert molding a thermoplastic bolus onto the distal end of a thermoplastic tube.

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