Patents Assigned to Advanced Cardiovascular Systems, INCC
  • Patent number: 6979342
    Abstract: A catheter having an elongated shaft which has a multilayered distal tip with a first layer formed of a polyimide first material and a second layer formed of a polymeric second material. In one embodiment the multilayered distal tip is a separate member, distal to the distal end of a proximal portion of the shaft. In another embodiment, the shaft has an outer tubular member, and a multilayered inner tubular member with a distal end which forms the multilayered distal tip of the shaft. In a presently preferred embodiment, the polyimide material is a thermoset polyimide. In one embodiment, the polymeric second material is a polyamide material.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: December 27, 2005
    Assignee: Advanced Cardiovascular Systems, INCC
    Inventors: Jeong S. Lee, Edwin Wang