Lubricating capacity of drugs injected into articular cavity were tested using a pendulum tribometer. The findings indicate that friction coefficient for a pair simulating metallopolymeric articular endoprosthesis is changed under the effect of electromagnetic field after lubrication. Regularities of these changes depend on the nature and mechanism of action of drugs. A method for rapid evaluation of the lubricating characteristics of drugs is proposed for optimizing their therapeutic effect on joints.
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