Patents by Inventor Len E. S. Carrie

Len E. S. Carrie 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).

  • Epidural catheter
    Patent number: 5591132
    Abstract: An epidural catheter with a patient end that forms a coil in its natural state, either in the plane of the length of the catheter or helically, so that, when inserted in the epidural space, the coil projects into the epidural space to ensure adequate retention but still ensuring that anaesthetic fluid emerges from side openings in the coil close to the point of insertion.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: January 7, 1997
    Inventor: Len E. S. Carrie