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Information × Registration Number 0221U103249, 0118U000183 , R & D reports Title Investigation of electro- and thermal-physical processes in soft biological tissues in compression and passing of pulse electric current and development on this basis of a system for automatic control that provide increase of joint quality popup.stage_title Head Lankin Yuri M., Доктор технічних наук Registration Date 17-02-2021 Organization E.O.Paton Elektric Welding Institute National Academy of scinces of Ukraine popup.description2  The processes occurring during the heating of animal organ tissues and their protein-free models by a pulse-modulated current have been experimentally tested. The dynamics in thickness and electrical resistance under the heating by a continuous and pulsed current was analyzed using protein-free models of biological tissues. Mathematical models were developed for high-frequency welding of soft biological tissues. The distribution of the current density in the tissue and its resistance at different stages of tissue compression, the surface effect on the distribution of the current density in the electrodes and tissues, and the dynamics in the temperature distribution in the tissues during the welding are analyzed through modeling in the COMSOL Multiphysics package. A laboratory power source was developed to study bipolar high-frequency welding of living tissues; the source operates under microprocessor control and comes with a touch control panel display presenting the results of the information-measuring system. All power source operation algorithms are devised on a computer and loaded into the microprocessor via a USB port for further execution. A myostimulator, the power source, and probes with automatic temperature stabilization for high-frequency and electrothermal vein ablation were developed. Product Description popup.authors Bayshtruk Eugene M Osechkov Pavlo P Semikin Valery F Solovyov Volodymyr G Sukhyy Lyudmyla F popup.nrat_date 2021-02-16 Close