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This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2011;48(8):987–1004. DOI:10.1682/JRRD.2010.10.0204 Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets Maria J. Gerschutz, PhD; Michael L. Haynes, MS; Derek M. Nixon, BS; James M. Colvin, MS

2 This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2011;48(8):987–1004. DOI:10.1682/JRRD.2010.10.0204 Study Aim – Evaluate tensile and impact properties of latest materials used to fabricate prosthetic check, copolymer, and definitive laminated sockets. Relevance – Although most prosthetic socket materials have been used for years, few are backed up by objective evaluations. – Without knowledge of basic properties, trying new methods/materials risks violating long-forgotten lessons and patient safety.

3 This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2011;48(8):987–1004. DOI:10.1682/JRRD.2010.10.0204 Comparisons Analyzed

4 This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2011;48(8):987–1004. DOI:10.1682/JRRD.2010.10.0204 Selected Results Raw specimens and fabricated specimens significantly differed for all prosthetic socket materials. PETG = polyethylene terephthalate glycol. Thermoplastic tensile strength Copolymer: Impact resistance at 25.5 °C not reported because of incomplete breaks, suggesting influence of temperature. Check socket materials: Only PETG was significantly affected by temperature. Thermoplastic impact resistance

5 This article and any supplementary material should be cited as follows: Gerschutz MJ, Haynes ML, Nixon DM, Colvin JM. Tensile strength and impact resistance properties of materials used in prosthetic check sockets, copolymer sockets, and definitive laminated sockets. J Rehabil Res Dev. 2011;48(8):987–1004. DOI:10.1682/JRRD.2010.10.0204 Conclusions Material properties determined in this study provide a foundation for understanding and improving quality of prosthetic sockets using current fabrication materials and a basis for evaluating future technologies.

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