Patents by Inventor Raymond C. Duhamel

Raymond C. Duhamel 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 for making vascular grafts
    Patent number: 5584875
    Abstract: A method for forming vascular graft prostheses is described. In particular, the method relates to determining the carrying volume of a gelable material to fill the interstices of a fabric prosthesis, applying that carrying volume of gelable material to the prosthesis, and crosslinking the gelable material to form uniform gel-coated prostheses having low porosity.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: December 17, 1996
    Assignee: C. R. Bard, Inc.
    Inventors: Raymond C. Duhamel, Stephen Eldridge, Barbara Kelley, Brendan McCrea
  • Body implants of extracellular matrix and means and methods of making and using such implants
    Patent number: 4801299
    Abstract: A sterile body implant is derived from a body structure having as its major protein component collagens in the form of extracellular matrix. The body structure is treated to remove cellular membranes, nucleic acids, lipids and cytoplasmic components. Such structures are implanted internally in the body or externally on the body in a variety of medical uses.
    Type: Grant
    Filed: February 22, 1984
    Date of Patent: January 31, 1989
    Assignee: University Patents, Inc.
    Inventors: Klaus Brendel, Raymond C. Duhamel