Patents by Inventor Marie-Claude Hensel

Marie-Claude Hensel 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).

  • Process for coating a flexible tubular prosthesis with living cells
    Patent number: 5037378
    Abstract: The coating process for coating the vascular prosthesis resides in stepwise rotations of the prosthesis, filled with a cell suspension, through fixed angles and in pauses for deposition between the rotations. The length of pauses start at two seconds and are increased in small increments of from 1 to 2 seconds to values of 2 to 3 minutes. The angle of rotation is controlled to ensure a uniform gapless deposition of the living cells.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: August 6, 1991
    Assignee: Sulzer Brothers Limited
    Inventors: Werner Muller, Marie-Claude Hensel, August Huber
  • Holder for a vein segment and method of removing cells from a vein segment
    Patent number: 4908013
    Abstract: The holder contains a sealed chamber in which a vein segment is clamped centrally with a slight axial prestress. For storage and transportation, the interior of the vein segment and the surrounding peripheral portions of the chamber housing the vein segment can be filled with a physiological common salt solution via flow channels. For removal of endothelial cells, an enzyme solution can be passed through the flow channels aligned with the vein segment to entrain the endothelium cells therein for subsequent processing.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: March 13, 1990
    Assignee: Sulzer Brothers Limited
    Inventors: Werner Muller, Marie-Claude Hensel, August Huber