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Shape memory polymer actuator and catheter

United States Patent

7,291,154
November 6, 2007
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An actuator system is provided for acting upon a material in a vessel. The system includes an optical fiber and a shape memory polymer material operatively connected to the optical fiber. The shape memory polymer material is adapted to move from a first shape for moving through said vessel to a second shape where it can act upon said material.
Maitland; Duncan J. (Pleasant Hill, CA), Lee; Abraham P. (Walnut Creek, CA), Schumann; Daniel L. (Concord, CA), Matthews; Dennis L. (Moss Beach, CA), Decker; Derek E. (Byron, CA), Jungreis; Charles A. (Pittsburgh, PA)
The Regents of the University of California (Oakland, CA)
10/ 713,622
20040133231
November 13, 2003
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.