SU1230589A1 - Method of measuring parameters of cardiovascular system - Google Patents
Method of measuring parameters of cardiovascular system Download PDFInfo
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- SU1230589A1 SU1230589A1 SU823408521A SU3408521A SU1230589A1 SU 1230589 A1 SU1230589 A1 SU 1230589A1 SU 823408521 A SU823408521 A SU 823408521A SU 3408521 A SU3408521 A SU 3408521A SU 1230589 A1 SU1230589 A1 SU 1230589A1
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- USSR - Soviet Union
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- time
- cuff
- pressure
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- decompression
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
Изобретение относитс к медицине и может быть использовано при диагностических исследовани х сердечнососудистой системы.The invention relates to medicine and can be used in diagnostic studies of the cardiovascular system.
Цель изобретени сокращение времени измерений и расширение функциональных возможностей за счет одновременного определени минимального артериального давлени и сосудистогоThe purpose of the invention is the reduction of measurement time and expansion of functionality due to the simultaneous determination of minimum blood pressure and vascular
периферийного сопротивлени .peripheral resistance.
Способ может быть реализован следующим образом,The method can be implemented as follows.
На конечность пациента накладьша- ют пневматическую манжету, снабженную датчиком давлени , и дистальнее манжеты датчик тонов .Короткова, например микрофон, соединенный с усилителем . Кроме того, на пациента накладьшают в одном из стандартных отведений электроды, соединенные с электрокардиографом или измерителем К-К интервалов.A pneumatic cuff fitted with a pressure transducer and a tone transducer distal to the cuff are applied to the patient's limb. A short tube, such as a microphone connected to an amplifier, is distal to the cuff. In addition, in one of the standard leads, the electrodes connected to the electrocardiograph or the K-K interval meter are applied to the patient.
Далее измер ют среднюю длительность сердечного цикла по нескольким например п ти, R-R интервалам и провод т компрессию давлени в манжете и быструю декомпрессию длительностью много меньшей средней длительности сердечного цикла, причем задержка начала декомпрессии относительно R- зубца ЭКГ составл ет 0,6 от значени средней длительности сердечного цикла.Next, the average duration of the cardiac cycle is measured over several, for example, five, RR intervals, and the pressure in the cuff is compressed and rapid decompression is used with a duration much shorter than the average duration of the cardiac cycle, and the delay in the onset of decompression relative to the R-wave ECG is 0.6% of the average duration of the cardiac cycle.
Последующие две компрессии давлени в манжете производ т с увеличением задержки на О,1 и 0,2 с относительно задержки первой декомпрессии.The subsequent two compressions of the pressure in the cuff are performed with an increase in the delay of 0, 1 and 0.2 s relative to the delay of the first decompression.
При каждой декомпрессии определ ют моменты времени по влени сигнала в микрофоне, соответствующего тонам Короткова, и считьшают значени давлРедактор М.ТовтинAt each decompression, the time of occurrence of the signal in the microphone corresponding to the Korotkov tones is determined, and the values of the pressure of M.Tovtin are found.
Составитель А.Васильев Техред И.ГайдошCompiled by A. Vasiliev Tehred I. Gaidosh
Ко ПоCo Po
2470/6 Тираж 6602470/6 Circulation 660
ВНИИПИ Государственного комитета СССРVNIIPI USSR State Committee
по делам изобретений и открытий 113035, Москва, Ж-35, Раушска наб,, д. 4/5for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab, 4/5
Производственно-полиграфическое предпри тие, г Ужгород, ул. Проектна , 4Production and printing company, Uzhgorod, st. Project, 4
ни в магжете с датчика давлени в эти моменты времени.nor in the magelet from the pressure sensor at these times.
Таким образом, получают три значени экспоненциальной зависимости кривой давлени от времени, измеренной методом динамической сфигмома- нометрии, что позвол ет определить коэффициенты аппроксимации экспоненциальной кривой, например методом наименьших квадратов,Thus, three values of the exponential dependence of the pressure curve on time, measured by dynamic sphygmomanometry, are obtained, which makes it possible to determine the coefficients of the approximation of the exponential curve, for example, the method of least squares,
Опред,еление минимального артериального давлени осуществл етс по формулеThe determination of the minimum blood pressure is carried out according to the formula
Ь(,08) ;B (08);
гдеWhere
mi n минимальное артериальноеmi n minimal arterial
давление;pressure;
а и в - коэффициенты аппроксимации; Т - средн длительность сердачного цикла.a and b are approximation coefficients; T is the average duration of the card cycle.
Посто нна 0,08 определена экспериментально .A constant 0.08 was determined experimentally.
Дл определени периферического сосудистого сопротивлени R необхоДи-: МО знать комплианс артериальной системы G дл обследуемого пациента, который может быть измерен известными реографическими методами предварительно и не зависит от состо ни па- циента и времени обследовани . При этом определение сосудистого сопротивлени осуществл етс по формулеTo determine the peripheral vascular resistance R, it is necessary: MO to know the compliance of the arterial system G for the patient being examined, which can be measured by known rheographic methods in advance and does not depend on the patient's condition and the time of the examination. The definition of vascular resistance is carried out according to the formula
4т0 ,1 b4t0, 1 b
причем коэффициент О,1 определен экспериментально ,moreover, the coefficient O, 1 determined experimentally,
Так:нм образом определ ютс параметры сердечно-сосудистой системы по результатам трех измерений мгновенного давлени .So: nm, the parameters of the cardiovascular system are determined from the results of three measurements of instantaneous pressure.
Корректор М.Демчик ПодписноеProofreader M. Demchik Subscription
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SU823408521A SU1230589A1 (en) | 1982-03-12 | 1982-03-12 | Method of measuring parameters of cardiovascular system |
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SU823408521A SU1230589A1 (en) | 1982-03-12 | 1982-03-12 | Method of measuring parameters of cardiovascular system |
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SU1230589A1 true SU1230589A1 (en) | 1986-05-15 |
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SU823408521A SU1230589A1 (en) | 1982-03-12 | 1982-03-12 | Method of measuring parameters of cardiovascular system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105726006A (en) * | 2005-04-13 | 2016-07-06 | 爱德华兹生命科学公司 | Pulse contour method and apparatus for continuous assessment of a cardiovascular parameter |
-
1982
- 1982-03-12 SU SU823408521A patent/SU1230589A1/en active
Non-Patent Citations (1)
Title |
---|
Arzbaecher R.C. and Novotney R.L. Non-invasive Measurement of the Arterial Pressure Contour in Kan. - Bibliogr. cardiol,,v.31, Nr 1, 1973, pp. 63-69. * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105726006A (en) * | 2005-04-13 | 2016-07-06 | 爱德华兹生命科学公司 | Pulse contour method and apparatus for continuous assessment of a cardiovascular parameter |
CN105726006B (en) * | 2005-04-13 | 2018-09-28 | 爱德华兹生命科学公司 | Pulse contour method and device for continuously estimating cardio-vascular parameters |
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