Shape memory system with integrated actuation using embedded particles

Buckley, Patrick R; Maitland, Duncan J

Title: Shape memory system with integrated actuation using embedded particles

Patent · Tue Sep 22 00:00:00 EDT 2009

OSTI ID:988699

Buckley, Patrick R ^[1]; Maitland, Duncan J ^[2]

New York, NY
Pleasant Hill, CA

A shape memory material with integrated actuation using embedded particles. One embodiment provides a shape memory material apparatus comprising a shape memory material body and magnetic pieces in the shape memory material body. Another embodiment provides a method of actuating a device to perform an activity on a subject comprising the steps of positioning a shape memory material body in a desired position with regard to the subject, the shape memory material body capable of being formed in a specific primary shape, reformed into a secondary stable shape, and controllably actuated to recover the specific primary shape; including pieces in the shape memory material body; and actuating the shape memory material body using the pieces causing the shape memory material body to be controllably actuated to recover the specific primary shape and perform the activity on the subject.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W-7405-ENG-48

Assignee:: Lawrence Livermore National Security, LLC (Livermore, CA)

Patent Number(s):: 7,591,834

Application Number:: 10/810,422

OSTI ID:: 988699

Country of Publication:: United States

Language:: English

References (12)

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Physical limits of hyperthermia using magnetite fine particles Hergt, R.; Andra, W.; d'Ambly, C. G. IEEE Transactions on Magnetics, Vol. 34, Issue 5 https://doi.org/10.1109/20.718537	journal	January 1998
Practical induction heating coil designs for clinical hyperthermia with ferromagnetic implants Stauffer, P.R.; Sneed, P.K.; Hashemi, H. IEEE Transactions on Biomedical Engineering, Vol. 41, Issue 1, p. 17-28 https://doi.org/10.1109/10.277267	journal	January 1994
Usable Frequencies in Hyperthermia with Thermal Seeds Atkinson, William J.; Brezovich, Ivan A.; Chakraborty, Dev P. IEEE Transactions on Biomedical Engineering, Vol. BME-31, Issue 1 https://doi.org/10.1109/TBME.1984.325372	journal	January 1984
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