Patents by Inventor Bernard Amann

Bernard Amann 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).

  • External biological fluid drainage device
    Patent number: 6336924
    Abstract: An external device for the drainage of biological fluid, particularly cephalorrhachidian fluid, utilizes a catheter (1, 2), one end of which is disposed in the area to be drained and the other end of which is connected to a drainage bag (3). This device includes a pressure measuring device (4) for measuring the pressure in the area to be drained and external flow control valve (5) on the catheter. An electronically controlled power supply (10) is provided for actuating the valve when the pressure exceeds a predetermined threshold.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: January 8, 2002
    Assignee: NMT Neurosciences Implants S.A.
    Inventors: Alain Lecuyer, Bernard Amann, Didier Rolland