Patents by Inventor Zohrab S. Kemkemian

Zohrab S. Kemkemian 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).

  • Over-the-wire catheter
    Patent number: 5163911
    Abstract: A catheter system includes a guide wire, a working catheter and a torque device for removably coupling the working catheter to the guide wire while enabling rotation of the guide wire to the working catheter. Advancement of the guide wire in a vascular system is enabled by rotating the guide wire while the working catheter is coupled thereto. A procedure for use of the catheter system includes the simultaneous insertion of the guide wire and working catheter into a vascular system and independent rotation of the guide wire for steering the guide wire, with working catheter coupled thereto, through the vascular system.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: November 17, 1992
    Assignees: Baxter International Inc., Peter Den Heijer, Paul S. Teirstein
    Inventors: D. Laksen Sirimanne, Sandra L. Cutter, Zohrab S. Kemkemian, Peter D. Heijer, Paul M. Teirstein