Patents by Inventor Christopher Michael Prigge

Christopher Michael Prigge 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).

  • Catheters with integrated lumen and methods of their manufacture and use
    Patent number: 6273880
    Abstract: A catheter with at least one integrated lumen and methods of its manufacture and use are provided. A method of manufacture includes: (1) covering a primary mandrel with a first layer, (2) disposing a second layer on the first layer, wherein the second layer has at least one removable secondary mandrel substantially embedded therein, (3) fusing the first layer to the second layer, (4) removing the secondary mandrel from the second layer to form a secondary lumen, and (5) removing the primary mandrel from the first layer to form a primary lumen. The method may further include forming an inflatable balloon at the surface of the second layer where the secondary lumen forms an opening. Also, auxiliary apparatus, such as snare instruments and bundles of optical fibers, may be inserted through the secondary lumen before or during use of the catheter.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: August 14, 2001
    Assignee: St. Jude Medical Anastomotic Technology Group, Inc.
    Inventors: Todd Allen Berg, Paul J. Hindrichs, Christopher Michael Prigge
  • Catheters with integrated lumen and methods of their manufacture and use
    Patent number: 6013190
    Abstract: A catheter with at least one integrated lumen and methods of its manufacture and use are provided. A method of manufacture includes: (1) covering a primary mandrel with a first layer, (2) disposing a second layer on the first layer, wherein the second layer has at least one removable secondary mandrel substantially embedded therein, (3) fusing the first layer to the second layer, (4) removing the secondary mandrel from the second layer to form a secondary lumen, and (5) removing the primary mandrel from the first layer to form a primary lumen. The method may further include forming an inflatable balloon at the surface of the second layer where the secondary lumen forms an opening. Also, auxiliary apparatus, such as snare instruments and bundles of optical fibers, may be inserted through the secondary lumen before or during use of the catheter.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: January 11, 2000
    Assignee: Vascular Science Inc.
    Inventors: Todd Allen Berg, Paul J. Hindrichs, Christopher Michael Prigge