Patents by Inventor Andrew R. Kiehl

Andrew R. Kiehl 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).

  • Patent number: 9731101
    Abstract: A drainage system that includes a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. The pump can include, for example, a diaphragm pump, a piston pump, a rotor pump, a peristaltic pump, or a screw pump.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: August 15, 2017
    Assignee: Medtronic, Inc.
    Inventors: William J. Bertrand, Derek J. Harper, Lori Cone Speckman, Andrew R. Kiehl, Ron D. Scheer
  • Publication number: 20130023814
    Abstract: A drainage system that includes a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. The pump can include, for example, a diaphragm pump, a piston pump, a rotor pump, a peristaltic pump, or a screw pump.
    Type: Application
    Filed: September 20, 2012
    Publication date: January 24, 2013
    Inventors: William J. Bertrand, Derek J. Harper, Lori Cone Speckman, Andrew R. Kiehl, Ron D. Scheer
  • Patent number: 8292856
    Abstract: Drainage system including a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. Methods of using a drainage system in accordance with the invention are also disclosed, as well as kits.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: October 23, 2012
    Assignee: Medtronic, Inc.
    Inventors: William J. Bertrand, Derek J. Harper, Lori Cone Speckman, Andrew R Kiehl, Ron D Scheer
  • Patent number: 7309330
    Abstract: The invention provides a drainage system that includes a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. Methods of using a drainage system in accordance with the invention are also provided, as well as kits.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: December 18, 2007
    Assignee: Medtronic, Inc.
    Inventors: William J. Bertrand, Derek J. Harper, Lori Cone Speckman, Andrew R. Kiehl, Ron D. Scheer