Patents Assigned to Willy Rush AG
  • Tracheal tube with permeation-stable blocking cuff
    Patent number: 5247927
    Abstract: At a tube shaft 2 a tracheal tube 1 has a blocking cuff 4 made of a material which has the structure of a synthetic caoutchouc mixed polymer. A blocking cuff 4 designed in such a way is not permeable to anesthesia gas and may be manufactured to have one layer. Preferably the blocking cuff 4 is made of butadiene acrylnitrile mixed polymer.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: September 28, 1993
    Assignee: Willy Rush AG
    Inventors: Werner Kepp, Klaus Schmitt