CN206403765U - A kind of wireless blood flow reserve fraction measurement system - Google Patents
A kind of wireless blood flow reserve fraction measurement system Download PDFInfo
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- CN206403765U CN206403765U CN201621087716.0U CN201621087716U CN206403765U CN 206403765 U CN206403765 U CN 206403765U CN 201621087716 U CN201621087716 U CN 201621087716U CN 206403765 U CN206403765 U CN 206403765U
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Abstract
The utility model discloses a kind of wireless blood flow reserve fraction measurement system, including：Sensor unit, collection transmitter unit and processing terminal, wherein, sensor unit includes：First pressure sensor unit and second pressure sensor；First pressure sensor unit includes：First pressure sensor and Pressure wire, one end of Pressure wire are connected with the collection transmitter unit, and the other end is provided with first pressure sensor, first pressure sensor and collection transmitter unit wireless connection；Second pressure sensor integration is on collection transmitter unit or is connected on collection transmitter unit；Processing terminal is connected with collection transmitter unit, and blood flow reserve fraction is obtained for receiving the pressure data that collection transmitter unit is gathered, and processing being carried out to it.The measurement of aortic pressure and lesion narrow remote end pressure is integrated in same collection transmitter unit by the utility model, is simplified existing equipment volume and connection to maximization, is added operation technique space.
Description
Technical field
The utility model is related to blood flow reserve fraction measurement field, more particularly to a kind of wireless blood flow reserve fraction measurement system
System.
Background technology
Nico professors Pijls by Holland in 1993 propose blood flow reserve fraction (Fractional Flow Reserve,
FFR), it is the obtainable maximum blood flow of myocardial region and the same area institute's energy under normal circumstances in theory of coronary artery institute blood supply
The ratio between maximum blood flow of acquisition, is the specificity index of external membrane of heart hemadostewnosis, and not by heart rate, blood pressure and Raynaud's disease
Etc. factor influence, have to the PCI for instructing the complicated cardiovascular pathological changes such as borderline lesion, multi-vessel lesion, bifurcated lesions important
Meaning.
Conventional measurement FFR system and method are at present：Realized using interposing catheter (guiding catheter) to aortic pressure
(Pa) measurement, the measurement to lesion narrow remote end pressure (Pd) is realized using interventional guide wire (Pressure wire).Wherein, sustainer
The pressure sensor of pressure Pa test is fixed on the main frame of outside, guides coronary blood flow to enter pressure sensing by interposing catheter
Device is measured；The pressure sensor of narrow remote end pressure Pd tests is then encapsulated on Pressure wire, is performed the operation by intervening, through drawing
Conduit enters lesion region, carries out pressure measxurement.The measurement data of narrow remote end pressure (Pd) is also connected to master through cable
On machine, then main frame calculates corresponding FFR numerical value according to Pa the and Pd results measured, and shows Pa, Pd waveform and FFR numbers in real time
Value.In addition, utilizing the instantaneous without wave mode ratio (iFR, instantaneous Wave-free of non-maximum congestive state
When Ratio) measuring, main frame also needs the external equipments such as connection ECG (electrocardiogram).Therefore, system is caused to set
Standby line is complicated, mobile and operation inconvenience.In order to overcome above mentioned problem, current part FFR manufacturers propose radio transmitted pressure
The method for the Pd data that seal wire is measured, its specific practice be Pressure wire tail end connect a wireless transport module data are passed
The defeated Wi-BOX that to main frame or first passes to passes to main frame, such as ST.Jude Medical (holy still to reach medical company) again.But actively
The connection of the external devices such as measurement, the ECG of pulse pressure (Pa) is required for connecting or each radioing to main frame.Cause actual system
System is complicated, operation inconvenience.
Utility model content
The utility model is directed to above-mentioned problems of the prior art, proposes a kind of wireless blood flow reserve fraction measurement system
System, the measurement of its aortic pressure and lesion narrow remote end pressure is integrated in same collection transmitter unit, simplifies to maximization
Existing equipment volume and connection, add operation technique space.
In order to solve the above technical problems, the utility model is achieved by the following technical solution：
The utility model provides a kind of wireless blood flow reserve fraction measurement system, and it includes：Sensor unit, collection transmitting
Unit and processing terminal, wherein,
The sensor unit includes：First pressure sensor unit and second pressure sensor；
The first pressure sensor unit includes：First pressure sensor and Pressure wire, the Pressure wire
One end is connected with the collection transmitter unit, and the other end of the Pressure wire is provided with the first pressure sensor, described
First pressure sensor and the collection transmitter unit wireless connection, the first pressure sensor are narrow remote for measuring lesion
End pressure, and give the collection transmitter unit by the lesion narrow remote end pressure transmission；
The second pressure sensor integration is on the collection transmitter unit or is connected on the collection transmitter unit,
The second pressure sensor is used to measure aortic pressure, and the aortic pressure is transferred into the collection transmitting list
Member；
The processing terminal is connected with the collection transmitter unit, and the processing terminal is used to receive the collection transmitting list
The lesion narrow remote end pressure and the aortic pressure that member transmission comes, and processing acquisition blood flow reserve point is carried out to it
Number.
It is preferred that the collection transmitter unit also includes：ECG data interface, for connecting external equipment, Jin Erjie
Receive the ECG signal of the external equipment.
It is preferred that one end of the Pressure wire is additionally provided with：Temperature measurement unit and/or Doppler measurement unit, institute
State temperature measurement unit and/or the Doppler measurement unit and the collection transmitter unit wireless connection；
The temperature measurement unit is used for the Temperature numerical for measuring lesion narrow remote end, and the Temperature numerical is transferred to
The collection transmitter unit；
The Doppler measurement unit is used for the flow Doppler data for measuring lesion narrow remote end, and the blood flow is more
General Le data are transferred to the collection transmitter unit.
It is preferred that the processing terminal is additionally operable to receive the Temperature numerical and/or blood by the collection transmitter unit
Flow doppler data, and according to the Temperature numerical and flow Doppler data calculate obtain blood flow storage index and/or
Microcirculation drag index.
The collection transmitter unit includes：Pressure sensor modulation circuit, collecting unit, analog-digital converter and transmitting are single
Member,
The pressure sensor modulation circuit is used to provide the first pressure sensor and the second pressure sensor
Voltage reference needed for work, carries out being transformed into suitable ADC working ranges, and reduce in voltage signal to the voltage signal of acquisition
The interference of clutter；
The collecting unit, the analog-digital converter and the transmitter unit are sequentially connected, and the collecting unit is used for
Gather the lesion narrow remote end pressure and the aortic pressure；The analog-digital converter is used to adopt the collecting unit
The lesion narrow remote end pressure and the aortic pressure of collection carry out analog-to-digital conversion；The transmitter unit is used for will be described
The lesion narrow remote end pressure and the aortic pressure after analog-digital converter conversion are transferred to the processing terminal.
It is preferred that the processing terminal also includes：Display unit, for by the lesion narrow remote end pressure, the master
Arterial pressure and the blood flow reserve fraction are shown in real time.
It is preferred that the connection between the collection transmitter unit and the processing terminal is wireless connection and/or wired company
Connect；
When for wireless connection, the collection transmitter unit includes：Wireless transmitting unit, the processing terminal includes wireless
Receiving unit；
When for wired connection, the collection transmitter unit and the processing terminal all include Datalink Interface.
It is preferred that the wireless transmitting unit and the radio receiving unit are：WIFI transmission units, Bluetooth transmission list
One or more in member, GPRS transmission unit, WCDMA transmission units, digital radio transmission radio station.
It is preferred that the first pressure sensor and the second pressure sensor are respectively：Piezoresistive pressure sensor,
Any one in capacitance pressure transducer, optical pressure sensor, magnetic force pressure sensor, piezo-electric pressure sensor.
It is preferred that the power supply unit of the collection transmitter unit is internal battery and/or external power supply.
It is preferred that the internal battery is lithium battery or Ni-MH battery or rechargeable battery.
It is preferred that the processing terminal is specially：PC computers, tablet personal computer, large-screen mobile phone, mobile notebook or ultrasound are set
One kind in standby.
Compared to prior art, the utility model has advantages below：
(1) the wireless blood flow reserve fraction measurement system that the utility model is provided, Pressure wire and second pressure are sensed
Device is integrated on same collection transmitter unit, and aortic pressure and lesion narrow remote end pressure can uniformly be issued to processing eventually
End is handled, and overcoming existing FFR equipment must wired connection or the synchronous difficult, cost of independent Pressure wire wirelessly transmitting data
High the problems such as, it is effectively simplified equipment operation difficulty, reduces equipment occupation space, reduces equipment line and use number and length
Degree；
(2) wireless blood flow reserve fraction measurement system of the present utility model, can be used as existing medical diagnosis/therapeutic equipment
Functional module, such as：Can be with internal or external in existing intravascular ultrasound imaging system, it is only necessary in existing intravascular ultrasound
FFR related algorithm or software are added in imaging system, ivus image energy again can be thus observed
FFR numerical value is observed, so as to realize that the structure imaging of blood vessel and narrow functional evaluation are combined, the time of patient's Operations Research is reduced
And expense, and be that doctor's clinical diagnosis and therapeutic scheme formulation provide and enrich comprehensive information, improve related cardiovascular disease and examine
Disconnected accuracy rate and reliability.
Certainly, implement any product of the present utility model to it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the wireless blood flow reserve fraction measurement system of embodiment 1 of the present utility model；
Fig. 2 is the structural representation of the wireless blood flow reserve fraction measurement system of preferred embodiment of the present utility model；
Fig. 3 is the structural representation of the wireless blood flow reserve fraction measurement system of embodiment 2 of the present utility model.
Label declaration：1- sensor units, 2- collection transmitter units, 2- processing terminals；
11- first pressure sensor units, 12- second pressure sensors, 13- temperature measurement units, 14- Doppler measurements
Unit；
111- Pressure wires, 112- first pressure sensors；
21- ECG data interfaces.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model is not limited
In following embodiments.
Embodiment 1：
With reference to Fig. 1, wireless blood flow reserve fraction measurement system of the present utility model is described in detail, its structural representation
Figure is as shown in figure 1, it includes：Sensor unit 1, collection transmitter unit 2 and processing terminal 3, sensor unit 1 include：The
One pressure sensor unit 11 and second pressure sensor 12, first pressure sensor unit 11 include：Pressure wire 111 with
And first pressure sensor 112, one end of Pressure wire 111 is connected on collection transmitter unit 2, Pressure wire 112 it is another
End is provided with first pressure sensor 112, and first pressure sensor 112 is passed with the collection wireless connection of transmitter unit 2, first pressure
Sensor 112 is used to measure lesion narrow remote end pressure Pd, and the lesion narrow remote end pressure wireless measured is transferred into collection hair
Penetrate unit 2；Second pressure sensor 12 is integrated on collection transmitter unit 2, for measuring aortic pressure by guiding catheter
Pa, and the aortic pressure measured is transferred to collection transmitter unit 2；Processing terminal 3 is connected with collection transmitter unit 2, is used for
The lesion narrow remote end pressure and aortic pressure of collection transmitter unit 2 are received, and processing is carried out to it and obtains blood flow reserve
Fraction FFR=Pd/Pa.
In preferred embodiment, second pressure sensor 12 can be connected with collection transmitter unit 2 by data wire, be extended
A certain distance, facilitates second pressure sensor 12 to be docked with guiding catheter, and facilitates the maintenance of second pressure sensor 12
Or change etc..
In preferred embodiment, collection transmitter unit 2 includes：Pressure sensor modulation circuit, collecting unit, analog-digital converter
And transmitter unit, pressure sensor modulation circuit is used to provide voltage reference needed for pressure sensor work, to the electricity of acquisition
Pressure signal carries out being transformed into suitable ADC working ranges, reduces the interference of clutter in voltage signal；Collecting unit, analog-digital converter
And transmitter unit is sequentially connected, collecting unit is used to gather lesion narrow remote end pressure and aortic pressure；Analog-to-digital conversion
Device is used for the lesion narrow remote end pressure gathered to collecting unit and aortic pressure carries out analog-to-digital conversion；Transmitter unit is used for
Lesion narrow remote end pressure and aortic pressure after analog-digital converter is changed are transferred to processing terminal.
In preferred embodiment, the other end of Pressure wire is additionally provided with：Temperature measurement unit and/or Doppler measurement list
Member, temperature measurement unit and/or Doppler measurement unit and collection transmitter unit wireless connection, its structural representation such as Fig. 2 institutes
Show；Temperature measurement unit is used for the Temperature numerical for measuring lesion narrow remote end, and Temperature numerical is transferred into collection transmitter unit；
Doppler measurement unit is adopted for measuring the flow Doppler data of lesion narrow remote end, and flow Doppler data being transferred to
Collect transmitter unit.The Temperature numerical collected and/or flow Doppler data are transferred to processing terminal 3 by collection transmitter unit,
Processing terminal 3 carries out processing to it and obtains blood flow storage index (CFR, Coronary Flow Reserve) and/or microcirculation resistance
Power index (IMR, Index of Microcirculatory Resistanc).
In preferred embodiment, processing terminal 3 also includes：Display unit, for by lesion narrow remote end pressure, aortic pressure
Power and blood flow reserve fraction are shown in real time.
Not in be the same as Example, the connected mode between collection transmitter unit 2 and processing terminal 3 can be wireless connection or have
Line is connected, when for wireless connection, Ke Yiwei：WIFI transmission, Bluetooth transmission, GPRS transmission, WCDMA transmission or digital radio
One or more combinations in data transfer radio station etc..
Not in be the same as Example, processing terminal 3 can be PC computers, tablet personal computer, large-screen mobile phone, mobile notebook or special
Any one in ultrasonic device (such as intravascular ultrasound imaging system).
Not in be the same as Example, first pressure sensor and second pressure sensor can be respectively：Pressure drag type pressure is sensed
Any one in device, capacitance pressure transducer, optical pressure sensor, magnetic force pressure sensor, piezo-electric pressure sensor.
Not in be the same as Example, internal battery can be used by gathering the power supply of transmitter unit 2, can also by USB interface or
Socket connects external power source.Internal battery can be lithium battery, Ni-MH battery or rechargeable battery etc..
Embodiment 2：
The present embodiment is on the basis of embodiment 1, to add electrocardiogram (ECG) interface on collection transmitter unit 2, use
In connection external equipment ECG signal, structural representation as shown in figure 3, collection transmitter unit 2 by lesion narrow remote end pressure,
Aortic pressure and ECG signal uniformly issue processing terminal 3, can so utilize the instantaneous without wave mode of non-maximum congestive state
Ratio (iFR, instantaneous Wave-free Ratio) measurement obtains FFR, i.e., (the wave free during without wave mode
Period) the FFR values for the instantaneous pressure that measurement is obtained.
Disclosed herein is only preferred embodiment of the present utility model, and this specification is chosen and specifically describes these implementations
Example, it, in order to preferably explain principle of the present utility model and practical application, is not to limit of the present utility model to be.Any
The modifications and variations that art personnel are done in the range of specification, all should fall in the range of the utility model is protected.
Claims (11)
1. a kind of wireless blood flow reserve fraction measurement system, it is characterised in that including：Sensor unit, collection transmitter unit with
And processing terminal, wherein,
The sensor unit includes：First pressure sensor unit and second pressure sensor；
The first pressure sensor unit includes：First pressure sensor and Pressure wire, one end of the Pressure wire
It is connected with the collection transmitter unit, the other end of the Pressure wire is provided with the first pressure sensor, described first
Pressure sensor is used to measure lesion narrow remote end pressure with the collection transmitter unit wireless connection, the first pressure sensor
Power, and give the collection transmitter unit by the lesion narrow remote end pressure transmission；
The second pressure sensor integration is on the collection transmitter unit or is connected on the collection transmitter unit, described
Second pressure sensor is used to measure aortic pressure, and the aortic pressure is transferred into the collection transmitter unit；
The processing terminal is connected with the collection transmitter unit, and the processing terminal is used to receive the collection transmitter unit biography
The defeated next lesion narrow remote end pressure and the aortic pressure, and processing acquisition blood flow reserve fraction is carried out to it.
2. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the collection transmitter unit
Also include：ECG data interface, for connecting external equipment, and then receives the ECG signal of the external equipment.
3. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the Pressure wire it is another
One end is additionally provided with：Temperature measurement unit and/or Doppler measurement unit, the temperature measurement unit and/or the Doppler
Measuring unit and the collection transmitter unit wireless connection；
The temperature measurement unit is used to measure the Temperature numerical of lesion narrow remote end, and the Temperature numerical is transferred to described
Gather transmitter unit；
The Doppler measurement unit is used to measuring the flow Doppler data of lesion narrow remote end, and by the flow Doppler
Data are transferred to the collection transmitter unit.
4. wireless blood flow reserve fraction measurement system according to claim 3, it is characterised in that the processing terminal is also used
In receiving the Temperature numerical and/or flow Doppler data by the collection transmitter unit, and according to the Temperature numerical
And flow Doppler data calculate and obtain blood flow storage index and/or microcirculation drag index.
5. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the collection transmitter unit
Including：Pressure sensor modulation circuit, collecting unit, analog-digital converter and transmitter unit,
The pressure sensor modulation circuit is used to provide the first pressure sensor and the second pressure working sensor
Required voltage reference；
The collecting unit, the analog-digital converter and the transmitter unit are sequentially connected, and the collecting unit is used to gather
The lesion narrow remote end pressure and the aortic pressure；The analog-digital converter is used for what the collecting unit was gathered
The lesion narrow remote end pressure and the aortic pressure carry out analog-to-digital conversion；The transmitter unit is used for the modulus
The lesion narrow remote end pressure and the aortic pressure after converter conversion are transferred to the processing terminal.
6. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the processing terminal is also wrapped
Include：Display unit, for the lesion narrow remote end pressure, the aortic pressure and the blood flow reserve fraction is real-time
Show.
7. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the collection transmitter unit
Connection between the processing terminal is wireless connection and/or wired connection；
When for wireless connection, the collection transmitter unit includes：Wireless transmitting unit, the processing terminal includes wireless receiving
Unit；
When for wired connection, the collection transmitter unit and the processing terminal all include Datalink Interface.
8. wireless blood flow reserve fraction measurement system according to claim 7, it is characterised in that the wireless transmitting unit
And the radio receiving unit is：WIFI transmission units, Bluetooth transmission unit, GPRS transmission unit, WCDMA transmission units,
One or more in digital radio transmission radio station.
9. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the first pressure sensing
Device and the second pressure sensor are respectively：Piezoresistive pressure sensor, capacitance pressure transducer, optical pressure sensing
Any one in device, magnetic force pressure sensor, piezo-electric pressure sensor.
10. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the collection transmitting is single
The power supply unit of member is internal battery and/or external power supply.
11. wireless blood flow reserve fraction measurement system according to claim 1, it is characterised in that the processing terminal tool
Body is：One kind in PC computers, tablet personal computer, large-screen mobile phone, mobile notebook or ultrasonic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087716.0U CN206403765U (en) | 2016-09-27 | 2016-09-27 | A kind of wireless blood flow reserve fraction measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087716.0U CN206403765U (en) | 2016-09-27 | 2016-09-27 | A kind of wireless blood flow reserve fraction measurement system |
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| CN206403765U true CN206403765U (en) | 2017-08-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573488A (en) * | 2018-03-27 | 2018-09-25 | 杭州脉流科技有限公司 | A kind of device calculated instantaneously without waveform ratio |
| CN109567776A (en) * | 2018-12-31 | 2019-04-05 | 深圳北芯生命科技有限公司 | For testing the catheter simulation device of FFR host system |
-
2016
- 2016-09-27 CN CN201621087716.0U patent/CN206403765U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573488A (en) * | 2018-03-27 | 2018-09-25 | 杭州脉流科技有限公司 | A kind of device calculated instantaneously without waveform ratio |
| CN109567776A (en) * | 2018-12-31 | 2019-04-05 | 深圳北芯生命科技有限公司 | For testing the catheter simulation device of FFR host system |
| CN109567776B (en) * | 2018-12-31 | 2021-08-10 | 深圳北芯生命科技股份有限公司 | Catheter simulator for testing FFR host system |
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