Patents Examined by Nguyen Victor
  • Intravascular flow restrictor
    Patent number: 6638257
    Abstract: An intravascular flow restrictor comprises a braided tubular structure designed to be placed in the main pulmonary artery for limiting blood pressure in the lungs. The braided structure is designed to be collapsed for placement in a delivery catheter but when ejected from the delivery catheter, assumes a substantially larger diameter disk shaped device having one or more longitudinal channels or passways therethrough.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: October 28, 2003
    Assignee: AGA Medical Corporation
    Inventor: Kurt Amplatz