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Shape-memory Polymers for Orthopaedic Soft-Tissue Repair

Smith, Kathryn E. PhD*; Garcia, Mateo BSc; Dupont, Kenneth M. PhD*; Higgs, Geoffrey B. MD; Gall, Ken PhD§; Safranski, David L. PhD*

doi: 10.1097/BTO.0000000000000247

Shape-memory polymers (SMPs) and their medical devices offer improved performance for soft-tissue fixation because of their ability to expand in vivo. Here, we describe the basics of the SMP cycle and the fundamental biomechanics of SMP soft-tissue fixation devices, in particular their effect on graft relaxation after device insertion. A surgical technique for posterior lateral corner reconstruction of the knee is presented that uses several SMP devices to simplify the procedure.

*MedShape Inc.

Vertera Inc., Atlanta, GA

Star Medical Center, Plano, TX

§Duke University, Durham, NC

Supported in part by the National Science Foundation #750247.

All the authors own stock/stock options in MedShape Inc. G.H. is a consultant for MedShape Inc.

For reprint requests, or additional information and guidance on the techniques described in the article, please contact Kathryn E. Smith, PhD, at or by mail at MedShape Inc., 1575 Northside Drive NW, Suite 440 Atlanta, GA 30318. You may inquire whether the author(s) will agree to phone conferences and/or visits regarding these techniques.

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