Patents by Inventor Chandrashekhar Prabhakar Pathak

Chandrashekhar Prabhakar Pathak 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).

  • Kink resistant stent graft
    Patent number: 10098772
    Abstract: A stent graft is disclosed and can include a stent and a graft engaged with the stent. The graft can include an inner surface and an outer surface. Further, at least one of the inner surface and the outer surface can include a plurality of protrusions as viewed in cross section extending through a longitudinal axis.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: October 16, 2018
    Assignee: C. R. Bard, Inc.
    Inventors: Robert G. Lerdahl, Chandrashekhar Prabhakar Pathak, R. Michael Casanova
  • Grafts and stent grafts having a radiopaque marker
    Patent number: 8636794
    Abstract: A graft device comprising a layer of synthetic non-metallic material having a first surface and a second surface spaced apart from the first surface. The device further, includes a radiopaque marker at least partially embedded in the layer.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: January 28, 2014
    Assignee: C. R. Bard, Inc.
    Inventors: Michael Casanova, Chandrashekhar Prabhakar Pathak
  • IMPLANTABLE MEDICAL DEVICES WITH FLUORINATED POLYMER COATINGS, AND METHODS OF COATING THEREOF
    Publication number: 20110112629
    Abstract: An implantable medical device including an expandable stent with an amorphous fluoropolymer coating, and methods of coating the stent. The amorphous fluoropolymer coating may be optically transparent and resistant to chemical corrosion.
    Type: Application
    Filed: January 20, 2011
    Publication date: May 12, 2011
    Applicant: C. R. Bard, Inc.
    Inventor: Chandrashekhar Prabhakar PATHAK
  • Implantable medical devices with fluorinated polymer coatings, and methods of coating thereof
    Patent number: 7892280
    Abstract: An implantable medical device including an expandable stent with an amorphous fluoropolymer coating, and methods of coating the stent. The amorphous fluoropolymer coating may be optically transparent and resistant to chemical corrosion.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: February 22, 2011
    Assignee: C. R. Bard, Inc.
    Inventor: Chandrashekhar Prabhakar Pathak
  • IMPLANTABLE MEDICAL DEVICES WITH FLUORINATED POLYMER COATINGS, AND METHODS OF COATING THEREOF
    Publication number: 20090062903
    Abstract: An implantable medical device including an expandable stent with an amorphous fluoropolymer coating, and methods of coating the stent. The amorphous fluoropolymer coating may be optically transparent and resistant to chemical corrosion.
    Type: Application
    Filed: November 7, 2008
    Publication date: March 5, 2009
    Applicant: C. R. Bard, Inc.
    Inventor: Chandrashekhar Prabhakar PATHAK
  • Implantable medical devices with fluorinated polymer coatings, and methods of coating thereof
    Patent number: 7476246
    Abstract: The present invention generally relates to implantable medical devices having a fluorinated coating, and methods of coating the same. More particularly, the present invention provides implantable metallic medical devices coated with a corrosion resistant coating comprising an amorphous fluoropolymer.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: January 13, 2009
    Assignee: C. R. Bard, Inc.
    Inventor: Chandrashekhar Prabhakar Pathak
  • Mechanical heart valve packaged in a liquid
    Publication number: 20020120328
    Abstract: A mechanical heart valve and packaging wherein the mechanical valve is surrounded by a liquid. In one embodiment, a glutaraldehyde solution is used. In another embodiment, organic solvents are used. The liquid will not cause a particulate to form during storage. In addition, the liquid will not produce harmful changes in the polymeric sewing ring, for example. That is, the liquid does not cause degradation of the polymeric materials comprising the heart valve, nor does it cause swelling of such materials, nor the dissolution of polymeric materials.
    Type: Application
    Filed: December 21, 2000
    Publication date: August 29, 2002
    Inventors: Chandrashekhar Prabhakar Pathak, Joseph Andrew Chinn