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Biomechanical substantiation of design features and physicomechanical characteristics of pins made of biocompatible polymers for intraosseous osteosynthesis.

This paper suggests a biomechanical model for osteosynthesis of tubular bones with the use of pins made of biocompatible polymers for the substantiation of the basic physicomechanical requirements to jointing elements (pins) with regard to functional loads, design features of pins and physicochemical properties of the materials used. It is shown that the known polymers including the biocompatible ones, do not individually possess the necessary strength characteristics for the production of jointing elements for highly loaded tubular bones. The properties of pins, made of biocompatible polymers, can be increased by optimizing their shapes and modifying the materials.