CN105147320A - Ultrasonic Doppler intra-operative blood flow simulation system and simulation method thereof - Google Patents
Ultrasonic Doppler intra-operative blood flow simulation system and simulation method thereof Download PDFInfo
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Abstract
The invention provides an ultrasonic Doppler intra-operative blood flow simulation system and a simulation method thereof. The system comprises a control system and a fluid path system, the control system comprises a liquid crystal touch screen, a single-chip microcomputer control panel, a driver board and a peristaltic pump, the liquid crystal touch screen, the single-chip microcomputer control panel, the driver board and the peristaltic pump are sequentially connected, and the fluid path system comprises a constant-flow running path and a pulsation running path. Simulation blood vessels in the system can be conveniently used for inspection and calibration of superficial and intra-operative ultrasonic Doppler blood vessel detectors, and exposed blood vessels in an operation can be simulated; meanwhile, four types of blood vessels different in diameter are arranged, and testing requirements for different specifications of intra-operative ultrasonic probes can be satisfied to the greatest extent; in addition, the flow rate is input directly through the liquid crystal touch screen, and the operation is convenient; finally, the system is provided with the two paths, simulation blood flows through a buffer in a constant flow mode, and the simulation blood reaches the simulation blood vessels directly without passing through the buffer in a pulse mode.
Description
Technical field
The present invention relates to Simulation of Blood system and analogy method thereof in a kind of ultrasonic doppler art.
Background technology
Ultrasonic Doppler technique is widely used in clinical medicine inspection at present, and the products such as such as color ultrasound, transcranial doppler blood flow analysis instrument, fetal monitor, intraoperative ultrasound doppler flow inaging detector are all the checkout equipments utilizing principle of Doppler work.Doppler's test specimen or body mould is called for the instrument of testing to these ultrasonic doppler checkout equipments and calibrate.Mention multiple Doppler's test specimen or body mould in YY/T0705-2008 ultrasonic continuous wave Doppler system experimentation method, comprise string of a musical instrument formula, piston type, blood flow formula etc.Ultrasonic doppler blood flow analog systems of the present invention is also a kind of Doppler's body mould, belongs to blood flow formula Doppler body mould.Blood flow formula Doppler body mould is made up of constant flow pump/controller, buffer, effusion meter, Doppler emulating blood flow body mould and imitative blood fluid reservoir.
Existing blood flow formula Doppler body mould by knob manual adjustments motor speed, then observes the liquid level registration of effusion meter, repeatedly adjusts the flow velocity that just can reach expectation.The imitative blood vessel of existing blood flow formula Doppler body mould is embedded in imitative organization material inside, current Doppler emulating blood flow system has split type and integral type, but they all can not meet the requirement that intraoperative ultrasound doppler transducer directly contacts or entangles exposed blood vessel, the blood vessel of simulation is all be embedded in ultrasonic imitative organization material (TMM), impalpable during detection, ultrasonic probe is difficult to touch imitative blood vessel, cannot be used for inspection and the calibration of shallow table and intraoperative ultrasound Dopplcr ultrasound blood detector.In addition, the imitative blood of existing blood flow formula Doppler body mould has to pass through buffer, and the pulse signal imitating pulse can be weakened.
Summary of the invention
The present invention be directed to the weak point that above-mentioned existing issue exists, propose a kind of solution, disclose Simulation of Blood system in a kind of ultrasonic doppler art, comprise control system and liquid-way system, control system comprises liquid crystal touch screen, singlechip control panel, drive plate and peristaltic pump, liquid crystal touch screen, singlechip control panel, drive plate is connected successively with peristaltic pump, and liquid-way system comprises constant current and runs path and pulsation operation path, and in constant current operation path, imitative blood is through first to fourth imitative blood vessel liquid outlet, imitative blood fluid reservoir, peristaltic pump, first three-way magnetic valve, imitative blood surge tank, second three-way magnetic valve and first to fourth imitative blood vessel inlet circulate, and pulsation runs imitative blood in path and imitates blood vessel liquid outlet through first to fourth, imitative blood fluid reservoir, peristaltic pump, first three-way magnetic valve, second three-way magnetic valve and first to fourth imitative blood vessel inlet circulate, and first to fourth imitative blood vessel is installed in the sink, first to fourth imitative blood vessel liquid outlet, imitative blood fluid reservoir, peristaltic pump, first three-way magnetic valve, imitative blood surge tank, second three-way magnetic valve is connected by influidic pipe successively with first to fourth imitative blood vessel inlet, and the first three-way magnetic valve is connected directly to the second three-way magnetic valve by influidic pipe.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, first to fourth imitative blood vessel is immersed in described water bath.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, be provided with ultrasonic probe in tank, ultrasonic probe directly contacts or entangles first to fourth imitative blood vessel.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, the internal diameter of first to fourth imitative blood vessel is 0.5 to 5mm.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, the internal diameter of first to fourth imitative blood vessel is respectively 1mm, 2mm, 3mm and 4mm.
The analogy method of Simulation of Blood system in a kind of ultrasonic doppler art disclosed by the invention, the velocity of blood flow calibrated by modulating output, flow and pulse frequency parameter information, to based on ultrasonic Doppler technique, the intraoperative ultrasound doppler flow inaging detector measured for medium vessels blood flow parameter of performing the operation carries out inspection and the calibration of flow velocity, flow and pulse frequency measurement function;
Wherein, liquid crystal touch screen realizes man-machine interaction, for showing running status, and input setup parameter, singlechip control panel communicates with liquid crystal touch screen, receives the various parameter of liquid crystal touch screen input and controls the operation of peristaltic pump by drive plate;
Have constant current mode and pulse mode two kinds of operational modes, run path respectively by constant current and carry out flow velocity calibration and traffic alignment with pulsation operation path, the imitative blood vessel providing four kinds of calibers is available;
Wherein, imitate blood by pulsing operation path under pulse mode and directly arrive imitative blood vessel without imitative blood surge tank;
Wherein, liquid crystal touch screen has main interface, system information, calibration interface and runnable interface, can carry out flow velocity calibration or flow calibration, can select constant current operational mode or burst operative mode at runnable interface at calibration interface;
Wherein, with revising, measurement and calibration is carried out to parameter by the separate calibrations of peak velocity and flow two simulation parameter.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, pulse frequency parameter sets in the scope of 20 to 250plus/min.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, at calibration interface, first to fourth imitative blood vessel can carry out separately flow velocity calibration or flow calibration;
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, at runnable interface, can select first to fourth imitative blood vessel that operation flow velocity is set.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, constant current mode and pulse mode two kinds of operational modes and constant current are run path and pulsation and run path and switched by the automatic control realization of electromagnetic valve.
Beneficial effect
Imitative blood vessel of the present invention soaks in a liquid, can easily for inspection and the calibration of shallow table and intraoperative ultrasound doppler ultrasound blood vessel detector, can exposed blood vessel in sham operated, the demand contacted with blood vessel zero distance when solving the practical application of intraoperative ultrasound doppler transducer; Meanwhile, the blood vessel of four kinds of different tube diameters, can meet the test needs of popping one's head in the intraoperative ultrasound of different size to greatest extent; In addition, the present invention directly inputs flow velocity by liquid crystal touch screen, easy to operate, possess the peak velocity to imitative blood, mean flow rate, flow, pulse frequency, the analog functuion of four large parameters, all parameters all can carry out measurement and calibration, have had more peak velocity standby, flow two the simulation separate calibrations of parameter and the function of correction; Finally, the present invention has two paths, and under constant current mode, imitative blood is through buffer, and under pulse mode, imitative blood directly arrives imitative blood vessel without buffer, and two paths are switched by the automatic control realization of electromagnetic valve.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of Simulation of Blood system in a kind of ultrasonic doppler art disclosed by the invention.
Detailed description of the invention
For content of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Fig. 1 is the block schematic illustration of Simulation of Blood system in a kind of ultrasonic doppler art disclosed by the invention, as shown in Figure 1, the invention discloses Simulation of Blood system in a kind of ultrasonic doppler art, comprise control system (01) and liquid-way system (02), control system (01) comprises liquid crystal touch screen (03), singlechip control panel (04), drive plate (05) and peristaltic pump (06), liquid crystal touch screen (03), singlechip control panel (04), drive plate (05) is connected successively with peristaltic pump (06), and liquid-way system (02) comprises constant current and runs path and pulsation operation path, and in constant current operation path, imitative blood is through first to fourth imitative blood vessel (07, 08, 09 and 10) liquid outlet, imitative blood fluid reservoir (11), peristaltic pump (06), first three-way magnetic valve (12), imitative blood surge tank (13), second three-way magnetic valve (14) and first to fourth imitative blood vessel (07, 08, 09 and 10) inlet circulates, and pulsation runs imitative blood in path and imitates blood vessel (07 through first to fourth, 08, 09 and 10) liquid outlet, imitative blood fluid reservoir (11), peristaltic pump (06), first three-way magnetic valve (12), second three-way magnetic valve (14) and first to fourth imitative blood vessel (07, 08, 09 and 10) inlet circulates, first to fourth imitative blood vessel (07, 08, 09 and 10) be arranged in tank (15), first to fourth imitative blood vessel (07, 08, 09 and 10) liquid outlet, imitative blood fluid reservoir (11), peristaltic pump (06), first three-way magnetic valve (12), imitative blood surge tank (13), second three-way magnetic valve (14) and first to fourth imitative blood vessel (07, 08, 09 and 10) inlet is connected by influidic pipe (16) successively, and the first three-way magnetic valve (12) is connected directly to the second three-way magnetic valve (14) by influidic pipe (16).
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, first to fourth imitative blood vessel (07,08,09 and 10) is immersed in tank (15) liquid.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, tank is provided with ultrasonic probe (not shown) in (15), and ultrasonic probe directly contacts or entangle first to fourth imitative blood vessel (07,08,09 and 10).
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, the internal diameter of first to fourth imitative blood vessel (07,08,09 and 10) is 0.5 to 5mm.
In a kind of ultrasonic doppler art disclosed by the invention Simulation of Blood system embodiment in, the internal diameter of first to fourth imitative blood vessel (07,08,09 and 10) is respectively 1mm, 2mm, 3mm and 4mm.
The analogy method of Simulation of Blood system in a kind of ultrasonic doppler art disclosed by the invention, the velocity of blood flow calibrated by modulating output, flow and pulse frequency parameter information, to based on ultrasonic Doppler technique, the intraoperative ultrasound doppler flow inaging detector measured for medium vessels blood flow parameter of performing the operation carries out inspection and the calibration of flow velocity, flow and pulse frequency measurement function;
Wherein, liquid crystal touch screen (03) realizes man-machine interaction, for showing running status, input setup parameter, singlechip control panel (04) communicates with liquid crystal touch screen (03), receives liquid crystal touch screen (03) the various parameter that inputs and is controlled the operation of peristaltic pump (06) by drive plate (05);
Have constant current mode and pulse mode two kinds of operational modes, run path respectively by constant current and carry out flow velocity calibration and traffic alignment with pulsation operation path, the imitative blood vessel providing four kinds of calibers is available;
Wherein, imitate blood by pulsing operation path under pulse mode and directly arrive imitative blood vessel without imitative blood surge tank (13);
Wherein, liquid crystal touch screen (03) has main interface, system information, calibration interface and runnable interface (not shown), flow velocity calibration or flow calibration can be carried out at calibration interface, constant current operational mode or burst operative mode can be selected at runnable interface;
Wherein, with revising, measurement and calibration is carried out to parameter by the separate calibrations of peak velocity and flow two simulation parameter.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, pulse frequency parameter sets in the scope of 20 to 250plus/min.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, at calibration interface, first to fourth imitative blood vessel (07,08,09 and 10) can carry out separately flow velocity calibration or flow calibration;
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, at runnable interface, can select first to fourth imitative blood vessel (07,08,09 and 10) that operation flow velocity is set.
In a kind of ultrasonic doppler art disclosed by the invention the analogy method of Simulation of Blood system embodiment in, constant current mode and pulse mode two kinds of operational modes and constant current are run path and pulsation and run path and switched by the automatic control realization of electromagnetic valve.
Last it is noted that obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among the protection domain of this explanation.
Claims (10)
1. a Simulation of Blood system in ultrasonic doppler art, it is characterized in that: described system comprises control system and liquid-way system, described control system comprises liquid crystal touch screen, singlechip control panel, drive plate and peristaltic pump, described liquid crystal touch screen, described singlechip control panel, described drive plate is connected successively with described peristaltic pump, and described liquid-way system comprises constant current and runs path and pulsation operation path, and in described constant current operation path, imitative blood is through first to fourth imitative blood vessel liquid outlet, imitative blood fluid reservoir, described peristaltic pump, first three-way magnetic valve, imitative blood surge tank, second three-way magnetic valve and first to fourth imitative blood vessel inlet circulate, and described pulsation runs imitative blood in path and imitates blood vessel liquid outlet through first to fourth, imitative blood fluid reservoir, described peristaltic pump, first three-way magnetic valve, second three-way magnetic valve and first to fourth imitative blood vessel inlet circulate, and described first to fourth imitative blood vessel is installed in the sink, described first to fourth imitative blood vessel liquid outlet, described imitative blood fluid reservoir, described peristaltic pump, described first three-way magnetic valve, described imitative blood surge tank, second three-way magnetic valve is connected by influidic pipe successively with first to fourth imitative blood vessel inlet, and described first three-way magnetic valve is connected directly to described second three-way magnetic valve by influidic pipe.
2. Simulation of Blood system in a kind of ultrasonic doppler art according to claim 1, is characterized in that: described first to fourth imitative blood vessel is immersed in described water bath.
3. Simulation of Blood system in a kind of ultrasonic doppler art according to claim 1, it is characterized in that: be provided with ultrasonic probe in described tank, described ultrasonic probe directly contacts or entangles first to fourth imitative blood vessel.
4. Simulation of Blood system in a kind of ultrasonic doppler art according to claim 1, is characterized in that: the internal diameter of described first to fourth imitative blood vessel is 0.5 to 5mm.
5. Simulation of Blood system in a kind of ultrasonic doppler art according to claim 4, is characterized in that: the internal diameter of described first to fourth imitative blood vessel is respectively 1mm, 2mm, 3mm and 4mm.
6. the analogy method of Simulation of Blood system in a ultrasonic doppler art, it is characterized in that: velocity of blood flow, flow and pulse frequency parameter information that described analogy method was calibrated by modulating output, to based on ultrasonic Doppler technique, the intraoperative ultrasound doppler flow inaging detector measured for medium vessels blood flow parameter of performing the operation carries out inspection and the calibration of flow velocity, flow and pulse frequency measurement function;
Wherein, liquid crystal touch screen realizes man-machine interaction, for showing running status, and input setup parameter, singlechip control panel communicates with liquid crystal touch screen, receives the various parameter of liquid crystal touch screen input and controls the operation of peristaltic pump by drive plate;
Have constant current mode and pulse mode two kinds of operational modes, run path respectively by constant current and carry out flow velocity calibration and traffic alignment with pulsation operation path, the imitative blood vessel providing four kinds of calibers is available;
Wherein, imitate blood by pulsing operation path under pulse mode and directly arrive imitative blood vessel without imitative blood surge tank;
Wherein, liquid crystal touch screen has main interface, system information, calibration interface and runnable interface, can carry out flow velocity calibration or flow calibration, can select constant current operational mode or burst operative mode at runnable interface at calibration interface;
Wherein, with revising, measurement and calibration is carried out to parameter by the separate calibrations of peak velocity and flow two simulation parameter.
7. the analogy method of Simulation of Blood system in a kind of ultrasonic doppler art according to claim 6, is characterized in that: described pulse frequency parameter sets in the scope of 20 to 250plus/min.
8. the analogy method of Simulation of Blood system in a kind of ultrasonic doppler art according to claim 6, it is characterized in that: at described calibration interface, first to fourth imitative blood vessel can carry out separately flow velocity calibration or flow calibration.
9. the analogy method of Simulation of Blood system in a kind of ultrasonic doppler art according to claim 6, is characterized in that, at described runnable interface, first to fourth imitative blood vessel can be selected to arrange operation flow velocity.
10. the analogy method of Simulation of Blood system in a kind of ultrasonic doppler art according to claim 6, it is characterized in that, described constant current mode and described pulse mode two kinds of operational modes and described constant current are run path and described pulsation and run path and switched by the automatic control realization of electromagnetic valve.
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