I.A. Kudashov - Assistant, Department of Biomedical Techniques, Bauman Moscow State Technical Univer-sity. E-mail: KydashovV@mail.ru S.I. Shchukin - Dr. Sc. (Eng.), Professor, Head of Department of Biomedical Techniques, Bauman Moscow State Technical University. E-mail: schookin@mx.bmstu.ru O.V. Belaya - Junior Research Scientist, Research Institute of Occupational Health (Moscow). E-mail: oga-belaya@gmail.com S.Yu. Perov - Ph.D. (Biol.), leading Research Scientist, Research Institute of Occupational Health. E-mail: perov1980@mail.ru V.I. Petrov - Deputy Director, Scientific Research Institute of Biomedtechnics, Bauman Moscow State Tech-nical University. Е-mail: pvi@bmstu.ru

Venipuncture is the most common method for blood sampling and intravenous administration of drugs, during which there is a puncture of the skin. According to it widespread post injection complications is hematoma due to puncture the two walls of the vein or partial penetration of the needle into the vein. The most promising among modern methods of intravenous injection control system is the electrical impedance method which allow improving the venipuncture technique and minimizing complications. In this paper, a theoretical research found the electrode system optimum location with respect to the vessel as determination of the maximum sensitivity of the method to puncture the vessel wall with a needle electrode. On basis of the conducted research the electrode system has been designed by means test recordings of the electrical impedance have been carried out on volunteers. During experimental studies revealed the features associated with irregular speed of the needle electrode motion in the soft tissues and the penetration depth of the needle. The paper shows a method include a needle electrode motion effect compensation, which minimizes artifacts by masking the blood vessel wall puncturing, associated with depth of burial of the needle electrode.

 

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