Patents by Inventor Kondapavulur T. V. Rao

Kondapavulur T. V. Rao 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).

  • Method of processing open-celled microcellular polymeric foams with controlled porosity for use as vascular grafts and stent covers
    Patent number: 6702849
    Abstract: Porous vascular grafts and stent covers are formed of open-celled microcellular polymeric foams having a porosity that can be modified to be adapted for carrying and delivering different types of therapeutic drugs. A stent cover is formed of a tubular member including at least one layer of a porous, microcellular foam formed from a polymeric material capable of absorbing and releasing therapeutic drugs at predictable rates for delivery of the therapeutic drugs in localized drug therapy in a blood vessel. A composite metal and polymer vascular graft is formed of an interior structural stent member, and an outer layer or coating of the porous, microcellular foam.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: March 9, 2004
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Debashis Dutta, Chicheng Wang, Kondapavulur T. V. Rao