Mechanical Testing of Orthopaedic Implants by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9780081002841
Publisher: Elsevier Ltd.
Published: 2017-05-24T00:00:00+00:00

Part Three

Mechanical testing of orthopaedic implants for fracture and in the spine

7

Mechanical testing of fracture fixation devices

E.A. Friis⁎; T.A. DeCoster†; J.C. Thomas‡ ⁎ University of Kansas, Lawrence, KS, United States

† University of New Mexico, Albuquerque, NM, United States

‡ Oread Medical, Lenexa, KS, United States

Abstract

Fracture fixation devices such as rods, plates, screws, and wires are some of the oldest used orthopedic implants. Concepts of internal fixation of fractures date back to the mid-1800s when Lister introduced open reduction, internal fixation (ORIF) of fractures. These early devices were fraught with issues such as infection, lack of materials quality control, and biocompatibility, as well as the lack of understanding of the biology and mechanics of bone fracture healing. Much progress has been made in the understanding of the science of fracture healing, which has led to contemporary fracture fixation theories and techniques. Advances in mechanical testing techniques, materials developments, and stress analysis have greatly improved the devices used to accomplish these techniques. This chapter has a brief introduction to the basic principles of fracture fixation, the implants that are available to treat fractures, and test methods to evaluate those implants.

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