Patents by Inventor Christopher Mikkelson

Christopher Mikkelson 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).

  • Control of interface between separated blood components under lipemic and hemolytic conditions
    Patent number: 9314562
    Abstract: Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a blood separation chamber configured to separate blood into first and second blood components and an outlet line for removing at least a portion of the first blood component from the blood separation chamber. A primary optical sensor assembly is associated with the blood separation chamber to directly monitor the interior of the blood separation chamber. A secondary optical sensor assembly is associated with the outlet line to monitor the first blood component in the outlet line. The system also includes a controller programmed to select between the primary optical sensor assembly and the secondary optical sensor assembly for monitoring contamination of the first blood component. The system is particularly advantageous for preventing contamination of separated plasma which is lipemic or hemolytic.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: April 19, 2016
    Assignee: Fenwal, Inc.
    Inventors: John T. Foley, Lan. T. Nguyen, Jonathan Prendergast, Jeffrey Maher, Christopher Mikkelson
  • Control Of Interface Between Separated Blood Components Under Lipemic And Hemolytic Conditions
    Publication number: 20140008277
    Abstract: Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a blood separation chamber configured to separate blood into first and second blood components and an outlet line for removing at least a portion of the first blood component from the blood separation chamber. A primary optical sensor assembly is associated with the blood separation chamber to directly monitor the interior of the blood separation chamber. A secondary optical sensor assembly is associated with the outlet line to monitor the first blood component in the outlet line. The system also includes a controller programmed to select between the primary optical sensor assembly and the secondary optical sensor assembly for monitoring contamination of the first blood component. The system is particularly advantageous for preventing contamination of separated plasma which is lipemic or hemolytic.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 9, 2014
    Applicant: Fenwal, Inc.
    Inventors: John. T. Foley, Lan T. Nguyen, Jonathan Prendergast, Jeffrey Maher, Christopher Mikkelson
  • Control of interface between separated blood components under lipemic and hemolytic conditions
    Patent number: 8556793
    Abstract: Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a blood separation chamber configured to separate blood into first and second blood components and an outlet line for removing at least a portion of the first blood component from the blood separation chamber. A primary optical sensor assembly is associated with the blood separation chamber to directly monitor the interior of the blood separation chamber. A secondary optical sensor assembly is associated with the outlet line to monitor the first blood component in the outlet line. The system also includes a controller programmed to select between the primary optical sensor assembly and the secondary optical sensor assembly for monitoring contamination of the first blood component. The system is particularly advantageous for preventing contamination of separated plasma which is lipemic or hemolytic.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: October 15, 2013
    Assignee: Fenwal, Inc.
    Inventors: John T. Foley, Lan T. Nguyen, Jonathan Prendergast, Jeffrey Maher, Christopher Mikkelson
  • CONTROL OF INTERFACE BETWEEN SEPARATED BLOOD COMPONENTS UNDER LIPEMIC AND HEMOLYTIC CONDITIONS
    Publication number: 20120199539
    Abstract: Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a blood separation chamber configured to separate blood into first and second blood components and an outlet line for removing at least a portion of the first blood component from the blood separation chamber. A primary optical sensor assembly is associated with the blood separation chamber to directly monitor the interior of the blood separation chamber. A secondary optical sensor assembly is associated with the outlet line to monitor the first blood component in the outlet line. The system also includes a controller programmed to select between the primary optical sensor assembly and the secondary optical sensor assembly for monitoring contamination of the first blood component. The system is particularly advantageous for preventing contamination of separated plasma which is lipemic or hemolytic.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 9, 2012
    Inventors: John T. Foley, Lan T. Nguyen, Jonathan Prendergast, Jeffrey Maher, Christopher Mikkelson