Patents by Inventor Karen Kelso

Karen Kelso 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).

  • Expanded polytetrafluoroethylene vascular graft with coating
    Patent number: 6976952
    Abstract: A vascular graft comprised of a tubular polytetrafluoroethylene (ePTFE) sheet is provided. The ePTFE sheet has a substantially uniform coating of bioresorbable gel material, for example gelatin, on a surface thereof. The coating minimises bleeding through suture holes in the ePTFE sheet and provides an increase in longitudinal extensibility.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: December 20, 2005
    Assignee: Vascutek Limited
    Inventors: Roshan Maini, Karen Kelso
  • Expanded polytetrafluoroethylene vascular graft with coating
    Patent number: 6368347
    Abstract: A vascular graft comprised of a tubular polytetrafluoroethylene (ePTFE) sheet. The ePTFE sheet has a substantially uniform coating of bioresorbable gel material on an outer surface. The coating minimizes bleeding through suture holes in the ePTFE sheet and an increase in longitudinal extensibility.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: April 9, 2002
    Assignee: Sulzer Vascutek Ltd.
    Inventors: Roshan Maini, Karen Kelso