RU97111007A - DEVICE FOR DETERMINING SKIN BLOOD - Google Patents

DEVICE FOR DETERMINING SKIN BLOOD

Info

Publication number
RU97111007A
RU97111007A RU97111007/14A RU97111007A RU97111007A RU 97111007 A RU97111007 A RU 97111007A RU 97111007/14 A RU97111007/14 A RU 97111007/14A RU 97111007 A RU97111007 A RU 97111007A RU 97111007 A RU97111007 A RU 97111007A
Authority
RU
Russia
Prior art keywords
electrodes
pass filter
skin blood
determining skin
impedance
Prior art date
Application number
RU97111007/14A
Other languages
Russian (ru)
Other versions
RU2134533C1 (en
Inventor
В.А. Шутов
В.Д. Елькин
Л.Е. Коткова
Н.В. Широкова
Original Assignee
Пермская государственная медицинская академия
Индивидуальное частное предприятие "Изотерма"
Filing date
Publication date
Application filed by Пермская государственная медицинская академия, Индивидуальное частное предприятие "Изотерма" filed Critical Пермская государственная медицинская академия
Priority to RU97111007A priority Critical patent/RU2134533C1/en
Priority claimed from RU97111007A external-priority patent/RU2134533C1/en
Publication of RU97111007A publication Critical patent/RU97111007A/en
Application granted granted Critical
Publication of RU2134533C1 publication Critical patent/RU2134533C1/en

Links

Claims (1)

Устройство для определения кожного кровотока, содержащее калибратор, генератор зондирующего тока, подключенный к паре электродов, последовательно соединенные преобразователь импеданс - напряжение и индикатор, отличающееся тем, что генератор зондирующего тока выполнен по схеме генератора стабилизированных по амплитуде импульсов прямоугольной формы, каждый из 2-х электродов расчленен на токовый и потенциальный, причем токовые электроды при наложении на биообъект являются внешними по отношению к потенциальным, к которым последовательно подключены преобразователь импеданс - напряжение, первый пассивный фильтр верхних частот, первый активный фильтр нижних частот и аналоговый дифференциатор, кроме того применена дополнительная пара электродов для снятия биопотенциалов, к которой последовательно подсоединены инструментальный усилитель, второй пассивный фильтр верхних частот, второй активный фильтр нижних частот и оконечный усилитель.A device for determining skin blood flow, comprising a calibrator, a probe current generator connected to a pair of electrodes, an impedance-voltage converter and an indicator connected in series, characterized in that the probe current generator is made according to a square-wave generator of amplitude-stabilized pulses, each of 2 the electrodes are divided into current and potential, and the current electrodes, when superimposed on a biological object, are external with respect to potential, to which о an impedance-voltage converter, a first passive high-pass filter, a first active low-pass filter and an analog differentiator are connected, in addition, an additional pair of electrodes for removing biopotentials is applied, to which an instrument amplifier, a second passive high-pass filter, and a second active low-pass filter are connected and terminal amplifier.
RU97111007A 1997-07-02 1997-07-02 Device for determination of cutaneous blood flow RU2134533C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97111007A RU2134533C1 (en) 1997-07-02 1997-07-02 Device for determination of cutaneous blood flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97111007A RU2134533C1 (en) 1997-07-02 1997-07-02 Device for determination of cutaneous blood flow

Publications (2)

Publication Number Publication Date
RU97111007A true RU97111007A (en) 1999-06-27
RU2134533C1 RU2134533C1 (en) 1999-08-20

Family

ID=20194741

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97111007A RU2134533C1 (en) 1997-07-02 1997-07-02 Device for determination of cutaneous blood flow

Country Status (1)

Country Link
RU (1) RU2134533C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1032272C2 (en) * 2005-09-15 2007-05-16 Martil Instr B V Method and device for determining the flow in a blood vessel.
RU178265U1 (en) * 2017-09-21 2018-03-28 Владимир Алексеевич Кантур DIAGNOSTIC DEVICE

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