CN113940650B - Method and storage device for detecting influence of massage on hemodynamics - Google Patents
Method and storage device for detecting influence of massage on hemodynamics Download PDFInfo
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Abstract
The invention relates to the field of arterial hemodynamics, in particular to a method and storage equipment for detecting the influence of massage on hemodynamics. The method for detecting the influence of massage on hemodynamics comprises the following steps: constructing a centralized parameter equivalent circuit network simulation model of the human artery; replacing the RLC circuit with a time-varying RLC (t) circuit to form a new centralized parameter equivalent circuit network simulation model of the human artery; and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics. The simulation model obtained by the method can intuitively give the change conditions of different arterial hemodynamics of a human body along with different massage manipulations in the operation process, and further can provide reference for formulating a more reasonable and scientific massage treatment scheme.
Description
Technical Field
The invention relates to the field of arterial hemodynamics, in particular to a method and storage equipment for detecting the influence of massage on hemodynamics.
Background
Traditional Chinese massage is part of traditional Chinese medicine and is the bright fruit of Chinese civilization. In the course of modernization of traditional Chinese medicine, people try to carry out evidence-based research on the mechanism of traditional Chinese medicine massage through modern scientific technology. At present, methods for studying the hemodynamic of arterial blood vessels by massage include a finite element analysis method based on a motor stenosis model, a numerical method based on lattice boltzmann, and a method based on a capillary-tissue hemodynamic model. However, these methods are often difficult to simulate and analyze multiple segments of arterial vessels, limited by the complexity of the human arterial vasculature.
And for the finite element analysis method, because the finite element grid models of the vascular system are large in quantity, complex in boundary conditions and difficult to solve the fluid mechanics kinetic equation, most of researches are only limited to modeling and analyzing a certain small segment of arterial blood vessel, and scientific researches on a large-scale arterial system are difficult to develop.
For the lattice boltzmann method, which is a mesoscopic model between a microscopic molecular dynamics model and a macroscopic continuum model, there are advantages over the finite element method, but for the macroscopic system simulating an arterial vessel, the lattice boltzmann equation is relatively complex.
Therefore, how to study the influence of massage on the hemodynamics of multi-segment arterial blood vessels becomes a technical problem to be solved urgently.
Disclosure of Invention
Therefore, a method for detecting the influence of massage on hemodynamics needs to be provided, so as to solve the technical problem that the influence of massage on hemodynamics of multi-segment arterial blood vessels cannot be researched in the prior art, and the specific technical scheme is as follows:
a method for detecting the influence of massage on hemodynamics comprises the following steps:
constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit;
a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new centralized parameter equivalent circuit network simulation model of the human artery is formed, the radius of the artery blood vessel which changes along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the radius of the artery blood vessel along with different massage manipulations;
and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
Further, the method for constructing the lumped parameter equivalent circuit network simulation model of the human artery specifically comprises the following steps:
dividing the artery blood vessel of the human body into a plurality of sections, wherein each section of artery blood vessel is abstractly equivalent to an RLC circuit;
constructing a lumped parameter equivalent circuit network simulation model according to an arterial tree model of a human body;
and constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta.
Further, the time-varying RLC (t) circuit generates a time-varying RLC (t) circuit for introducing a perturbation on the RLC circuit.
Further, the operation of the new lumped parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different segments of arterial hemodynamics specifically includes the following steps:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
Further, the method for dividing the human artery blood vessel into a plurality of sections specifically comprises the following steps:
the human artery blood vessel is divided into 55 sections.
In order to solve the technical problem, the storage device is further provided, and the specific technical scheme is as follows:
a storage device having stored therein a set of instructions for performing:
constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each artery section in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit;
replacing an RLC circuit with a time-varying RLC (t) circuit to form a new human artery lumped parameter equivalent circuit network simulation model, wherein the artery vessel radius changing along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the artery vessel radius along with different massage manipulations;
and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
Further, the set of instructions is further for performing:
the method for constructing the lumped parameter equivalent circuit network simulation model of the human artery specifically comprises the following steps:
dividing the artery blood vessel of the human body into a plurality of sections, wherein each section of artery blood vessel is abstractly equivalent to an RLC circuit;
constructing a centralized parameter equivalent circuit network simulation model according to an arterial tree model of a human body;
and constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta.
Further, the time-varying RLC (t) circuit generates a time-varying RLC (t) circuit for introducing a perturbation on the RLC circuit.
Further, the set of instructions is further operable to perform:
the new simulation model of the lumped parameter equivalent circuit network of the human artery is operated to obtain the influence change of different massage manipulations on different artery hemodynamics, and the method specifically comprises the following steps:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
Further, the set of instructions is further for performing: the method for dividing the arterial blood vessel of the human body into a plurality of sections specifically comprises the following steps:
the human artery blood vessel is divided into 55 sections.
The invention has the beneficial effects that: a method for detecting the influence of massage on hemodynamics comprises the following steps: constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit; a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new centralized parameter equivalent circuit network simulation model of the human artery is formed, the radius of the artery blood vessel which changes along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the radius of the artery blood vessel along with different massage manipulations; and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics. By the method, the influence of different massage manipulations on the radius of the artery blood vessel is expressed by a wave function, the wave function is used as one of the parameters of the RLC (t) circuit, the RLC (t) circuit is used for replacing the original RLC circuit, a new human artery centralized parameter equivalent circuit network simulation model is formed, the simulation model can intuitively give the change situation of different arterial hemodynamics of a human body along with different massage manipulations in the operation process, and further, reference can be provided for formulating a more reasonable and scientific massage treatment scheme.
Drawings
FIG. 1 is a flow chart of a method of detecting the impact of massage on hemodynamics, in accordance with an embodiment;
FIG. 2 is a flowchart of the method for constructing a lumped parameter equivalent circuit network simulation model of a human artery according to an embodiment;
FIG. 3a is an RLC lumped parameter equivalent circuit model for each artery as described in the detailed description;
FIG. 3b is a schematic diagram of a 55-segment arterial tree model according to an embodiment;
FIG. 3c is a schematic diagram of a 7-segment lumped parameter equivalent circuit model of the left upper limb according to an exemplary embodiment;
FIG. 4a is a schematic diagram of an embodiment of a time varying resistor;
FIG. 4b is a schematic diagram of an embodiment of the time varying capacitor;
FIG. 4c is a schematic diagram of an embodiment of the time varying inductor;
FIG. 5 is a schematic diagram of sine and triangle waveforms at different frequencies according to the embodiments;
FIG. 6 is a schematic diagram illustrating a process of constructing a time-varying resistor R (t) model according to an embodiment;
FIG. 7a is a schematic diagram illustrating a change in blood pressure according to an embodiment;
FIG. 7b is a schematic illustration of the blood flow variation according to an embodiment;
fig. 8 is a block diagram of a storage device according to an embodiment.
Description of reference numerals:
800. a storage device.
Detailed Description
In order to explain technical contents, structural features, objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 7b, in the present embodiment, a method for detecting the influence of massage on hemodynamics can be applied to a storage device, including but not limited to: personal computers, servers, general purpose computers, special purpose computers, network devices, embedded devices, programmable devices, and the like. The specific technical scheme is as follows:
step S101: and constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit.
Step S102: a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new human artery lumped parameter equivalent circuit network simulation model is formed, the artery vessel radius changing along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the artery vessel radius along with different massage manipulations.
Step S103: and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
As shown in fig. 2, step S101 further includes:
step S201: the human artery blood vessel is divided into a plurality of sections, and each section of artery blood vessel is abstractly equivalent to an RLC circuit. In the present embodiment, the human artery is divided into several segments, for example 55 segments, according to the prior knowledge, wherein each segment of artery can be abstractly equivalent to an RLC circuit based on the following formula:
R＝8ηl/(πr^4)、L＝ρl/(πr^2)、C＝(2πr^3l)/Eh
wherein, R, L and C respectively correspond to the resistance, the inductance and the capacitance of the circuit; eta is the blood viscosity in the real arterial blood vessel, rho is the blood density in the real arterial blood vessel, r, l and h are the radius, the length and the arterial wall thickness of the section of the real arterial blood vessel respectively, and E is the elastic modulus of the section of the real arterial blood vessel.
FIG. 3a shows the RLC lumped parameter equivalent circuit model for each segment of artery, FIG. 3b shows the 55-segment arterial tree model, and FIG. 3c shows the 7-segment lumped parameter equivalent circuit model for the left upper limb.
Step S202: and constructing a lumped parameter equivalent circuit network simulation model according to the arterial tree model of the human body. And determines all known parameters of the simulation model.
Step S203: and constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta. For example, for a centralized parameter model of 7 segments of left upper limbs, the standard setting parameters of a normal person are adopted, the heart rate of a human body is set to be 70beat/min, 8-order Fourier fitting is carried out on a simulation excitation source by adopting a blood pressure measurement waveform of an aortic arch of the human body, and the following blood flow excitation source function changing along with time is obtained;
Blood Pressure
＝a 0 +a 1 cos(ωt)+b 1 sin(ωt)+a 2 cos(2ωt)+b 2 sin(2ωt)+a 3 cos(3ωt)+b 3 sin(3ωt)+a 4 cos(4ωt)+b 4 sin(4ωt)+a 5 cos(5ωt)+b 5 sin(5ωt)+a 6 cos(6ωt)+b 6 sin(6ωt)+a 7 cos(7ωt)+b 7 sin(7ωt)+a 8 cos(8ωt)+b 8 sin(8ωt)
wherein a is 0 ＝70，a 1 ＝83.95，b 1 ＝102.3，a 2 ＝-24.61，b 2 ＝98.8，a 3 ＝-53.43，b 3 ＝20.81，a 4 ＝-28.62，b 4 ＝19.83，a 5 ＝-38.05，b 5 ＝-11，a 6 ＝-7.822，b 6 ＝-17.14，a 7 ＝-4.74，b 7 ＝-7.411，a 8 ＝-0.7815，b 8 ＝-8.382，ω＝7.328。
In step S102, based on the fact that the massage may cause the change of the radius r of the artery blood vessel, when the influence of the massage on the artery hemodynamics is studied, an equivalent RLC (t) circuit model changing with time is used to replace the original artery equivalent RLC circuit in which the massage is located, for example, a time-varying resistor shown in fig. 4a, a time-varying capacitor shown in fig. 4b, and a time-varying inductance model shown in fig. 4c are used.
According to the characteristics of massage manipulations, the change rule of the artery vessel radius along with the massage can be described by different wave functions. Such as a sine wave function, a triangular wave function, etc. The waveform characteristic parameters comprise frequency, phase, amplitude and the like, and can reflect the technical characteristics of different massage manipulations. For example sine and triangle wave shapes at different frequencies are shown in fig. 5. The curve comprises (a) a sine wave blood vessel radius time-varying curve, (b) a triangular wave blood vessel radius time-varying curve and (c) a sine wave blood vessel radius time-varying curve with different phases (0.5 f, 2f and 4 f) of different frequency multiples.
In order to facilitate the research on the influence of different massage parts on the arterial hemodynamics, the time-varying RLC (t) circuit model adopts the original normal RLC circuit model to introduce the time-varying RLC generated by disturbance. The construction process of the time-varying resistor R (t) model is shown in FIG. 6, the upper left corner of FIG. 6 is the constant resistor R model, the lower left corner is disturbance, and the constant resistor R model and the disturbance are collected into the time-varying resistor R (t) and packaged into a module.
In step S103, in order to make the result displayed more visually, "the new lumped parameter equivalent circuit network simulation model of the human artery is run to obtain the influence changes of different massage manipulations on different segments of arterial hemodynamics", the method specifically includes the following steps:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
After the model is constructed, the change of different artery hemodynamics, such as blood pressure, blood flow and the like, can be checked through the operation and display of simulation software. Fig. 7a is a schematic diagram of blood pressure change, and fig. 7b is a schematic diagram of blood flow change.
A method of detecting the impact of massage on hemodynamics, comprising the steps of: constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit; replacing an RLC circuit with a time-varying RLC (t) circuit to form a new human artery lumped parameter equivalent circuit network simulation model, wherein the artery vessel radius changing along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the artery vessel radius along with different massage manipulations; and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics. By the method, the influence of different massage manipulations on the radius of the artery blood vessel is expressed by a wave function, the wave function is used as one of the parameters of the RLC (t) circuit, the RLC (t) circuit is used for replacing the original RLC circuit, a new human artery centralized parameter equivalent circuit network simulation model is formed, the simulation model can intuitively give the change situation of different arterial hemodynamics of a human body along with different massage manipulations in the operation process, and further, reference can be provided for formulating a more reasonable and scientific massage treatment scheme.
Referring to fig. 3a to 8, in the present embodiment, an embodiment of a memory device 800 is as follows:
a memory device 800 having stored therein a set of instructions for performing:
constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each artery section in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit;
a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new centralized parameter equivalent circuit network simulation model of the human artery is formed, the radius of the artery blood vessel which changes along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the radius of the artery blood vessel along with different massage manipulations;
and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
Further, the set of instructions is further for performing:
the method for constructing the lumped parameter equivalent circuit network simulation model of the human artery specifically comprises the following steps of:
the human artery blood vessel is divided into a plurality of sections, and each section of artery blood vessel is abstractly equivalent to an RLC circuit. In the present embodiment, the human artery is divided into several segments, for example 55 segments, according to the prior knowledge, wherein each segment of artery can be abstractly equivalent to an RLC circuit based on the following formula:
R＝8ηl/(πr^4)、L＝ρl/(πr^2)、C＝(2πr^3l)/Eh
wherein, R, L and C respectively correspond to the resistance, the inductance and the capacitance of the circuit; eta is the blood viscosity in the real arterial blood vessel, rho is the blood density in the real arterial blood vessel, r, l and h are the radius, the length and the arterial wall thickness of the section of the real arterial blood vessel respectively, and E is the elastic modulus of the section of the real arterial blood vessel.
FIG. 3a shows the RLC lumped parameter equivalent circuit model for each segment of artery, FIG. 3b shows the 55-segment arterial tree model, and FIG. 3c shows the 7-segment lumped parameter equivalent circuit model for the left upper limb.
And constructing a lumped parameter equivalent circuit network simulation model according to the arterial tree model of the human body. And determines all known parameters of the simulation model.
And constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta. For example, for a centralized parameter model of 7 segments of left upper limbs, the standard setting parameters of a normal person are adopted, the heart rate of a human body is set to be 70beat/min, 8-order Fourier fitting is carried out on a simulation excitation source by adopting a blood pressure measurement waveform of an aortic arch of the human body, and the following blood flow excitation source function changing along with time is obtained;
Blood Pressure
＝a 0 +a 1 cos(ωt)+b 1 sin(ωt)+a 2 cos(2ωt)+b 2 sin(2ωt)+a 3 cos(3ωt)+b 3 sin(3ωt)+a 4 cos(4ωt)+b 4 sin(4ωt)+a 5 cos(5ωt)+b 5 sin(5ωt)+a 6 cos(6ωt)+b 6 sin(6ωt)+a 7 cos(7ωt)+b 7 sin(7ωt)+a 8 cos(8ωt)+b 8 sin(8ωt)
wherein a is 0 ＝70，a 1 ＝83.95，b 1 ＝102.3，a 2 ＝-24.61，b 2 ＝98.8，a 3 ＝-53.43，b 3 ＝20.81，a 4 ＝-28.62，b 4 ＝19.83，a 5 ＝-38.05，b 5 ＝-11，a 6 ＝-7.822，b 6 ＝-17.14，a 7 ＝-4.74，b 7 ＝-7.411，a 8 ＝-0.7815，b 8 ＝-8.382，ω＝7.328。
Further, based on the fact that the massage may cause the change of the radius r of the artery vessel, when the influence of the massage on the artery hemodynamics is studied, the time-varying equivalent RLC (t) circuit model is used to replace the original pulse equivalent RLC circuit in which the massage is located, such as the time-varying resistor shown in fig. 4a, the time-varying capacitor shown in fig. 4b, and the time-varying inductance model shown in fig. 4 c.
According to the characteristics of massage manipulations, the change rule of the artery vessel radius along with the massage can be described by different wave functions. Such as a sine wave function, a triangular wave function, etc. The waveform characteristic parameters comprise frequency, phase, amplitude and the like, and can reflect the technical characteristics of different massage manipulations. For example sine and triangle wave shapes at different frequencies are shown in fig. 5. The blood vessel radius time-varying curve of the sine wave (a) is a time-varying curve of the blood vessel radius of the sine wave, (b) is a time-varying curve of the blood vessel radius of the triangle wave, and (c) is a time-varying curve of the blood vessel radius of the sine wave with different phases (0.5 f, 2f and 4 f).
In order to facilitate the research on the influence of different massage parts on the arterial hemodynamics, the time-varying RLC (t) circuit model adopts the original normal RLC circuit model to introduce the time-varying RLC generated by disturbance. The construction process of the time-varying resistor R (t) model is shown in FIG. 6, the upper left corner of FIG. 6 is the constant resistor R model, the lower left corner is disturbance, and the constant resistor R model and the disturbance are collected into the time-varying resistor R (t) and packaged into a module.
Further, in order to make the result more intuitive to display, the instruction set is further configured to perform:
the new simulation model of the lumped parameter equivalent circuit network of the human artery is operated to obtain the influence change of different massage manipulations on different artery hemodynamics, and the method specifically comprises the following steps:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
After the model is constructed, the change of different artery hemodynamics, such as blood pressure, blood flow and the like, can be checked through the operation and display of simulation software. Fig. 7a is a schematic diagram showing the change of blood pressure, and fig. 7b is a schematic diagram showing the change of blood flow.
By executing the instruction set in the storage device 800, the influence of different massage manipulations on the radius of the artery blood vessel is expressed by a wave function, the wave function is one of the parameters of the RLC (t) circuit, the RLC (t) circuit replaces the original RLC circuit, a new centralized parameter equivalent circuit network simulation model of the human artery is formed, and the simulation model can intuitively give the change situation of different arterial hemodynamics of the human body along with different massage manipulations in the operation process, so that reference can be provided for formulating a more reasonable and scientific massage treatment scheme.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (10)
1. A method for detecting the influence of massage on hemodynamics is characterized by comprising the following steps:
constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit;
a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new centralized parameter equivalent circuit network simulation model of the human artery is formed, the radius of the artery blood vessel which changes along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the radius of the artery blood vessel along with different massage manipulations;
and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
2. The method for detecting the influence of massage on hemodynamics as claimed in claim 1, wherein said "constructing a lumped parameter equivalent circuit network simulation model of human artery" further comprises the steps of:
dividing the artery blood vessel of the human body into a plurality of sections, wherein each section of artery blood vessel is abstractly equivalent to an RLC circuit;
constructing a lumped parameter equivalent circuit network simulation model according to an arterial tree model of a human body;
and constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta.
3. The method of any one of claims 1 or 2, wherein the step of performing the massage on the hemodynamics is performed by a computer,
the time-varying RLC (t) circuit generates a time-varying RLC (t) circuit for introducing perturbations on the RLC circuit.
4. The method of claim 1, wherein the step of operating the new lumped parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different segments of arterial hemodynamics further comprises the steps of:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
5. The method for detecting the influence of massage on hemodynamics as claimed in claim 2, wherein said "dividing the arterial blood vessel of the human body into several segments" further comprises the steps of:
the human artery blood vessel is divided into 55 sections.
6. A memory device having a set of instructions stored therein, the set of instructions being configured to perform:
constructing a lumped parameter equivalent circuit network simulation model of the human artery, wherein each segment of artery blood vessel in the lumped parameter equivalent circuit network simulation model of the human artery is abstracted into an RLC circuit;
a time-varying RLC (t) circuit is adopted to replace an RLC circuit, so that a new centralized parameter equivalent circuit network simulation model of the human artery is formed, the radius of the artery blood vessel which changes along with time in the time-varying RLC (t) circuit is represented by different wave functions, and the different wave functions represent the change rule of the radius of the artery blood vessel along with different massage manipulations;
and operating the new centralized parameter equivalent circuit network simulation model of the human artery to obtain the influence change of different massage manipulations on different artery hemodynamics.
7. The storage device of claim 6, wherein the set of instructions is further configured to perform:
the method for constructing the lumped parameter equivalent circuit network simulation model of the human artery specifically comprises the following steps:
dividing the artery blood vessel of the human body into a plurality of sections, wherein each section of artery blood vessel is abstractly equivalent to an RLC circuit;
constructing a lumped parameter equivalent circuit network simulation model according to an arterial tree model of a human body;
and constructing an excitation source of the simulation model according to the blood flow waveform of the human aorta.
8. A memory device according to claim 7, wherein the time-varying RLC (t) circuit generates a time-varying RLC (t) circuit for introducing a perturbation on the RLC circuit.
9. The storage device of claim 6, wherein the set of instructions is further configured to perform:
the new simulation model of the lumped parameter equivalent circuit network of the human artery is operated to obtain the influence change of different massage manipulations on different artery hemodynamics, and the method specifically comprises the following steps:
and operating the new lumped parameter equivalent circuit network simulation model of the human artery through simulation software, and presenting a model operation result in a visual interface mode.
10. The storage device of claim 7, wherein the set of instructions is further configured to perform: the method for dividing the human artery blood vessel into a plurality of sections specifically comprises the following steps:
the human artery blood vessel is divided into 55 sections.
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| CN104050857A (en) * | 2014-07-08 | 2014-09-17 | 南京邮电大学 | Cardiovascular system simulation model based on lumped parameters |
| CN108922580A (en) * | 2018-05-25 | 2018-11-30 | 杭州脉流科技有限公司 | A kind of method, apparatus, system and computer storage medium obtaining blood flow reserve score |
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| US5535753A (en) * | 1994-10-04 | 1996-07-16 | Rutgers University | Apparatus and methods for the noninvasive measurement of cardiovascular system parameters |
| CN103892818A (en) * | 2012-12-28 | 2014-07-02 | 吴健康 | Non-invasive central aortic blood pressure measuring method and device |
| CN104050857A (en) * | 2014-07-08 | 2014-09-17 | 南京邮电大学 | Cardiovascular system simulation model based on lumped parameters |
| CN108922580A (en) * | 2018-05-25 | 2018-11-30 | 杭州脉流科技有限公司 | A kind of method, apparatus, system and computer storage medium obtaining blood flow reserve score |
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