Patents Assigned to Stichting voor de Technische Wetneschappen
  • Heart valve prosthesis, method for producing a heart valve prosthesis and mould applied thereby
    Patent number: 4731074
    Abstract: Heart valve prosthesis consisting of a substantially rigid frame provided therein with several synthetic membranes whereby the membrane is a fibre-reinforced matrix material. The fibres are arranged parallel in the matrix material, and the fibre material and the matrix material are chemically identical.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: March 15, 1988
    Assignee: Stichting voor de Technische Wetneschappen
    Inventors: Eduard P. M. Rousseau, Antonius A. van Steenhoven, Joannes D. Janssen, Leonardus H. G. Wouters