Patents by Inventor Claudia F. E. Kirsch

Claudia F. E. Kirsch 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).

  • Debubbler
    Patent number: 8696626
    Abstract: A device for removal of a gas from a liquid in a medical infusion line has a housing containing a plurality of hollow fiber membranes. Preferably liquid passes on the exterior of the membranes and gas bubbles in the liquid pass into the lumens of the hollow fiber membranes. This is for removal by a vacuum. The device can include its own vacuum chamber. When the device has its own vacuum chamber, it can include a warning system to alert a user to replace the device when the provided vacuum is no longer sufficient.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: April 15, 2014
    Inventor: Claudia F. E. Kirsch
  • Device for removal of gas bubbles and dissolved gasses in liquid
    Patent number: 6503225
    Abstract: A device (10) for removal of gas bubbles and dissolves gasses from fluids delivered into a patient during medical procedures is disclosed. A housing (20) having a number of gas permeable hollow fibers (50) passing therethrough is provided. The infused fluid is introduced through the interior lumens of the hollow fibers (50), and entrained or dissolved gasses are drawn through the fiber walls to the outer or shell side of the fibers. A vacuum may be drawn on the housing through a vent (32) to enhance gas removal. A passage (70) is optionally provided through the device to allow a tool or other device to be passed therethrough.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: January 7, 2003
    Assignee: Celgard Inc.
    Inventors: Claudia F. E. Kirsch, Bradley W. Reed