Patents by Inventor Khanh Vien Tran

Khanh Vien Tran has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wire-shaped ultrasonic catheter with diamond coated head for ultrasonic angioplasty
    Patent number: 6482218
    Abstract: The present invention pertains to a wire-shaped ultrasonic catheter for ultrasonic angioplasty. The ultrasonic catheter head is provided with a diamond coating. The catheter has a cylindrical sonotrode and a thin ultrasound catheter which together form a resonant system. The catheter is made from a thin stainless steel ultrasound waveguide. The catheter is coupled to a mechanical connection system at one end and at the other end to a hardened, bulb-shaped stainless steel catheter tip having a cylindrical, spherical or rounded conical shape with a diamond powder coating.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: November 19, 2002
    Inventor: Khanh Vien Tran