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Journal Biomedical Radioelectronics №5 for 2015 г.
Article in number:
Registration, conversion, and processing of bioelectric signals of the channel biotechnical feedback complex «Multimag»
Authors:
E.M. Grigorev Director Instrument factory of Kasimov, Winner of the contest named after Peter the Great - Best manager of Russia 2000?, Laureate of the Ryazan Region on Science and Technology academecean V. F. Utkin. E-mail: root@zkp.ryazan.ru S.G. Gurzhin Ph.D. (Eng.), Associate Professor, Department «Information-Measuring and Biomedical Engineering», Ryazan State Radio Engineering University, the Winner of the Lenin Komsomol Prize in Dxience and Technology (1984), Laureate of the Ryazan Region on Science and Technology and the Silver Medal Academician V. F. Utkin, Gonorary Worker of Higher Professional Education of the Russian Federation (2015). E-mail: iit@rgrtu.ryazan.ru, Gurzhin@mail.ru V.I. Zhulev Dr. Sci. (Eng.), Professor, Head of Department «Information-Measuring and Biomedical Engineering», Ryazan State Radio Engineering University, Honored Worker of Higher School of Russian Federation, Laureate of the Ryazan Region on Science and Technology and Thesilver Medal Academician V. F. Utkin. E-mail: iit@rgrtu.ryazan.ru M.B. Kaplan Ph.D. (Eng.), Associate Professor, Department «Information-Measuring and Biomedical Engineering?, Ryazan State Radio Engineering University. E-mail: kaplan.m.b@iibmt.rsreu.ru V.G. Krjakov Ph.D. (Eng.) Associate Professor, Department «Information-Measuring and Biomedical Engineering», Ryazan State Radio Engineering University, Laureate of the Ryazan Region on Science and Technology Academecean V. F. Utkin. E-mail: iit@rgrtu.ryazan.ru E.M. Proshin Dr. Sci. (Eng.), Professor, Department «Information-Measuring and Biovedical Engineering», Ryazan State Ra-dio Engineering University, Honorary Worker of Higher Professional Education of the Russian Federation, Laureate of the Ryazan Region on Science and Technology and Thesilver Medal Academician V. F. Utkin. E-mail: iit@rgrtu.ryazan.ru E.O. Putilin Post-graduate Student, Department «Information-Measuring and Biomedical Engineering», Ryazan State Radio Engineering University. E-mail: putev1989@mail.ru A.V. Shulyakov Senior Lecturer, Department «Information-Measuring and Biomedical Engineering», Ryazan State Radio Engineering University. E-mail: iit@rgrtu.ryazan.ru
Abstract:
 The integrated system of magnetic therapy «Multimag» ensures that the influence of the magnetic field of a given configuration on the patient. The work solves the problem of creating a biotechnical feedback device integrated chrono magnetotherapy «Multimag». During the session of magnetic therapy are determined by the pulse and rhythm of breathing of the patient, which are used to diagnose the patient\'s condition and to implement the adaptation mechanism magnetotherapeutic impact on the first control loop synchronization of the exposure with the patient\'s biorhythms. Check your heart rate signal is carried out photometric sensor-pulse oximeter «CMS-P» company «Contec» having USB interface to connect with computer. Uses the instantaneous values of heart rate, determined by the sensor controller. The sequence of values of the pulse forms a rithmogram, which is used to determine the characteristics of heart rate variability. These characteristics are divided into characteristics in the time domain, graphical and spectral. Management program complex «Multimag» carries out the calculation of the main characteristics and displays them on the screen during a session of magnetic therapy. Respiratory rhythm in the complex «Multimag» recorded using non-contact ultrasonic sensor breathing. The developed sensor contains both hardware and software and allows to detect a respiration signal of the patient during the session integrated magnetic therapy. Informative parameters in the recorded signal are time characteristics, such as: the period (frequency) respiration, duration of the phases of inhalation and exhalation, the time moments of the beginning phases of inhalation and exhalation. These characteristics are used to diagnose the patient\'s condition during magnetotherapy session, and to synchronize magnetotherapy impact with the phases of respiration within bioadaptive regulation. Registered with the sensor signal is subjected to digital processing which includes stages of filtration with a median filter, a low pass filter, the selection of the moving average and the determination of the durations of the phases of inhalation and exhalation. Program management of complex displays a tachogram of breath. Diagnostic information about the heart rate and respiration accumulates in the session of magnetic therapy and allows to judge about the change of state of the patient during the session. The implementation of the preservation of accumulated data from session to session will allow you to judge the effectiveness of treatment in general.
Pages: 4-13
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