Patents by Inventor Manfred K. Lüedi

Manfred K. Lüedi 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).

  • Spring loaded implantable drug infusion device
    Patent number: 6645176
    Abstract: An implantable drug infusion device includes a pump tube for holding a liquid to be pumped. A race is configured to support the tube. A roller assembly is configured to compress the tube against the race at one or more points along the path, and the roller assembly includes at least one roller. A drive assembly drives the roller assembly relative to the tube along the path so as to move the liquid through the tube. A biasing member is operably connected to the at least one roller to bias the at least one roller against the tube.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: November 11, 2003
    Assignee: Medtronic, Inc.
    Inventors: Steven R. Christenson, Reginald D. Robinson, Kenneth T. Heruth, James M. Haase, James Randall, Christian Pèclat, Manfred K. Lüedi
  • Implantable drug infusion device with peristaltic pump using tube guides
    Patent number: 6626867
    Abstract: An implantable drug infusion device includes a pump tube for holding a liquid to be pumped. A race is configured to support the tube. A roller assembly is configured to compress the tube against the race at one or more points along the path, and the roller assembly includes at least one roller. A tube guide is operably connected to the roller assembly to align the pump tube with respect to a corresponding roller.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: September 30, 2003
    Assignee: Medtronic, Inc.
    Inventors: Steven R. Christenson, Reginald D. Robinson, James M. Haase, Manfred K. Lüedi