Abstract
The present work demonstrates that by using computer calculation on load-deformation curves it is possible to obtain a good deal of useful information on the mechanical properties of materials for suturing. The mechanical properties of Prolene®, Ethilon® and surgical steel loops were investigated. The testing of the loops was performed on a materials testing machine. The load deformation curves were fed into a calculator by a digitizer (Hewlett-Packard 9830 system). A number of examples are given on the practical importance of the different mechanical parameters. Further the investigation showed that the physical characteristics of the materials in Prolene® and Ethilon® vary with the size of the threads.

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