CN218792254U - Intravascular parameter measurement system - Google Patents
Intravascular parameter measurement system Download PDFInfo
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- CN218792254U CN218792254U CN202222225044.7U CN202222225044U CN218792254U CN 218792254 U CN218792254 U CN 218792254U CN 202222225044 U CN202222225044 U CN 202222225044U CN 218792254 U CN218792254 U CN 218792254U
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Abstract
The present application relates to an intravascular parameter measurement system. The system comprises: the pressure measuring device comprises a far-end pressure measuring component and an information tag, wherein the far-end pressure measuring component is used for measuring a far-end pressure signal at the far end of the vascular stenosis, and the information tag is used for storing wireless communication physical address information; the reader is used for reading the physical address information of the information tag and sending a signal containing the physical address information to the signal processing device; the signal processing device is in communication connection with the reader, and is used for receiving the signal which is sent by the reader and contains the physical address information, sending a wireless connection signal to the corresponding pressure measuring device according to the current physical address information read by the reader, and performing wireless communication connection with the corresponding pressure measuring device to receive the remote pressure signal. The scheme that this application provided can realize signal processing device and the wireless communication connection of the pressure measurement device who corresponds fast and accurately, reduces the maloperation.
Description
Technical Field
The application relates to the technical field of parameter measurement systems, in particular to a intravascular parameter measurement system.
Background
It has been shown that stenotic lesions of blood vessels can induce myocardial ischemia, and evidence of myocardial ischemia must be found before revascularization of stenotic lesions is considered. The intravascular parameter measuring device can measure parameters such as intravascular pressure, flow and temperature to obtain a series of indexes for evaluating the parameters of the vessels. The intravascular parameters include indices derived based on pressure data: fractional Flow Reserve (FFR) and Non-Hyperemic pressure Ratio (NHPR); the intravascular parameters also include indices derived based on temperature or flow and pressure parameters: microcirculation Resistance Index (IMR) and Coronary Flow Reserve (CFR).
In the related art, an intravascular parameter measurement system generally includes an intravascular pressure measurement catheter and a signal processing device. When testing fractional flow reserve for a patient, the average pressure at the distal end of the stenosis and the average pressure at the proximal end of the stenosis are typically measured using an intravascular pressure measurement catheter and the data is reviewed on a signal processing device.
However, since the separate intravascular pressure measuring catheter is required to be used for measurement for different patients, the use is avoided, and the physiological hygiene is ensured. When the intravascular pressure measurement catheter is replaced, an operator is required to select an object to which the signal processing device is connected, and the operation is complicated; in addition, the possibility of misconnection exists when pairing is inaccurate through manual checking, reconnection is needed, and the operation time is prolonged.
SUMMERY OF THE UTILITY MODEL
In order to solve or partially solve the problems in the related art, the present application provides an intravascular parameter measurement system, which can quickly and accurately realize wireless communication connection between a signal processing device and a corresponding pressure measurement device, and reduce misoperation.
The present application provides an intravascular parameter measurement system comprising:
the pressure measuring device comprises a far-end pressure measuring component and an information tag, wherein the far-end pressure measuring component is used for measuring a far-end pressure signal at the far end of the vascular stenosis, and the information tag is used for storing wireless communication physical address information;
the reader is used for reading the physical address information of the information tag and sending a signal containing the physical address information to the signal processing device;
the signal processing device is in communication connection with the reader, and is used for receiving the signal which is sent by the reader and contains the physical address information, sending a wireless connection signal to the corresponding pressure measuring device according to the current physical address information read by the reader, and performing wireless communication connection with the corresponding pressure measuring device to receive the remote pressure signal.
In one embodiment, when the number of the pressure measuring devices is multiple, the signal processing device selects to perform wireless communication connection; wherein:
the reader reads first physical address information of a pressure measuring device to be connected, and if the first physical address information is different from second physical address information of the pressure measuring device currently connected with the signal processing device, the signal processing device disconnects wireless communication of the connected pressure measuring device and sends a wireless connection signal to the pressure measuring device to be connected.
In one embodiment, if the first physical address information is the same as the second physical address information of the pressure measurement device to which the signal processing device is currently connected, the signal processing device maintains a wireless communication connection with the connected pressure measurement device.
In one embodiment, the pressure measurement device includes a first bluetooth communication module, and the physical address information is a bluetooth physical address;
the signal processing device comprises a second Bluetooth communication module which is used for being in wireless communication connection with the first Bluetooth communication module.
In one embodiment, the pressure measurement device includes a packaging case, and the information label is disposed on the packaging case.
In an embodiment, the signal processing device further includes a display screen, configured to display wireless connection prompt information between the signal processing device and the pressure measurement device after receiving physical address information of the pressure measurement device sent by the reader.
In one embodiment, the information tag is a radio frequency identification electronic tag, and the reader is a radio frequency identifier.
In one embodiment, the information tag is a two-dimensional code tag, and the reader is a two-dimensional code recognizer; or
The information label is a bar code label, and the reader is a bar code recognizer.
In one embodiment, the reader is disposed within the signal processing device; or
The reader is arranged outside the signal processing device and is connected with the signal processing device through a wire.
In one embodiment, the signal processing device further comprises an analog-to-digital converter for converting the distal pressure signal to generate the distal pressure data.
The technical scheme provided by the application can comprise the following beneficial effects:
according to the technical scheme, the physical address information of the information tag of the pressure measuring device can be identified through the reader, so that the signal processing device can rapidly and accurately complete one-to-one wireless communication connection with the pressure measuring device, the operation efficiency is improved, and the operation duration is shortened.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 is a schematic diagram of a virtual configuration of an intravascular parameter measurement system shown in an embodiment of the present application;
FIG. 2 is a schematic view of a pressure measurement device within a blood vessel;
FIG. 3 is a schematic diagram of an intravascular parameter measurement system according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a switching connection between a signal processing device and a plurality of pressure measurement devices according to an embodiment of the present application;
FIG. 5 is another schematic structural diagram of an intravascular parameter measurement system shown in an embodiment of the present application;
fig. 6 is another schematic structural diagram of an intravascular parameter measurement system according to an embodiment of the present application.
Reference numerals are as follows: a pressure measuring device 10; a pressure measuring device 10a to be connected; the connected pressure measuring device 10b; an information tag 100; a proximal pressure measurement member 110; a proximal pressure sensor 111; a first guide catheter 111; a distal pressure measurement member 120; a distal pressure sensor 121; a pressure microcatheter 122; a first bluetooth communication module 130; a signal processing device 20; an analog-to-digital converter 210; a physical interface 220; a display screen 230; a second bluetooth communication module 240; a reader 30; a vascular stenosis lesion S; a near end Sa; the distal end Sd.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the accompanying drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the related art, because different patients need to be measured by using independent intravascular pressure measuring catheters, the serial use is avoided, and the physiological sanitation is ensured. When the intravascular pressure measurement catheter is replaced, an operator is required to select an object to which the signal processing device is connected, and the operation is complicated; in addition, the possibility of misconnection exists when pairing is inaccurate through manual checking, reconnection is needed, and the operation time is prolonged.
In view of the above problems, embodiments of the present application provide an intravascular parameter measurement system, which can quickly and accurately implement wireless communication connection between a signal processing device and a corresponding pressure measurement device, thereby reducing misoperation.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an intravascular parameter measurement system according to an embodiment of the present application, and fig. 2 is a schematic diagram of a pressure measurement device in a blood vessel.
Referring to fig. 1 and 2, an embodiment of the present application provides an intravascular parameter measurement system including a pressure measurement device 10, a signal processing device 20, and a reader 30, wherein:
the pressure measurement device 10 comprises a distal pressure measurement part 120 for measuring a distal pressure signal of the distal Sd of the angiostenosis S and an information tag 100 for storing wirelessly communicated physical address information. The reader 30 is used to read the physical address information of the information tag 100 and transmit a signal containing the physical address information to the signal processing device 20. The signal processing device 20 is in communication connection with the reader, and is configured to receive a signal including physical address information sent by the reader 30, send a wireless connection signal to the corresponding pressure measurement device 10 according to the current physical address information read by the reader 30, and perform wireless communication connection with the corresponding pressure measurement device 10 to receive a near-end pressure and far-end pressure signal.
Specifically, optionally, the pressure measurement device further comprises a proximal pressure measurement component 110 for measuring a proximal pressure signal of the proximal Sa of the stenotic lesion S. The proximal pressure measurement component 110 and the distal pressure measurement component 120 of the pressure measurement device 10 may each be an intravascular pressure measurement catheter assembly that includes an introducer catheter and a pressure sensor, which may be a MEMS (Micro-Electro-Mechanical System) pressure sensor, a fiber optic pressure sensor, or the like. As shown in fig. 2, for example, the proximal pressure sensor 111 of the proximal pressure measuring unit 110 may be disposed outside the human body, and may sense the pressure of blood led out from the inside of the first guide catheter 111 by being connected to a (hollow) first guide catheter 112 inserted into the human body. The first guiding catheter 111 has a head end located at the proximal end Sa of the stenotic lesion S and a tail end disposed outside the body and connected to the proximal pressure sensor 111, so that the proximal pressure sensor 111 can measure pressure data of the proximal end of the stenotic lesion. The distal pressure sensor 121 of the distal pressure measuring part 120 may be disposed in the human body, and may be integrated at the head end of the pressure microcatheter 122, and the pressure microcatheter 122 is passed through the guiding catheter to penetrate into the distal end Sd of the stenotic lesion S, so that the distal pressure sensor 121 may measure the pressure data of the distal end Sd of the stenotic lesion S. In order to ensure the physiological hygiene of different human bodies during detection, different patients use independent pressure measuring devices 10 respectively. On this basis, each pressure measuring device 10 may be provided with an information tag 100, and the information tag 100 is used to record or store a representative identifier of the different pressure measuring device 10, for example, physical address information of wireless communication, so that the signal processing device 20 can accurately perform wireless communication connection with the different pressure measuring device 10. Alternatively, the information tag 100 may be an NFC (Near Field Communication) electronic tag or an RFID (Radio Frequency Identification) electronic tag, a two-dimensional code tag, a barcode tag, or the like. Preferably, the pressure measuring device 10 includes a packaging case (not shown), and the information tag 100 is disposed on the packaging case, so that the information reading of the reader is facilitated by displaying the information tag 100 on the packaging case.
Further, in order to reduce errors caused by reading the information tag by human beings, the reader 30 may automatically read the physical address information in the information tag 100 and send a corresponding signal to the signal processing device 20, so that the signal processing device 20 obtains the physical address information of the pressure measuring device 10 to be connected, thereby enabling the signal processing device 20 and the corresponding pressure measuring device 10 to be correctly connected in a one-to-one manner. Alternatively, the reader 30 may be a corresponding NFC reader, RFID reader, two-dimensional code identifier, bar code identifier, or the like.
Further, the signal processing device 20 may be connected to the reader 30 in a wireless communication manner or in a wired communication manner so as to receive the signal transmitted by the reader 30. After the signal processing device 20 receives the physical address information of the pressure measurement device 10 to be connected, the signal processing device 20 may actively or passively search for the broadcast signal of the pressure measurement device 10 to make the pairing connection. At this time, no matter the number of the currently searched pressure measurement devices 10 is one or more, the signal processing device 20 only needs to select a corresponding one of the pressure measurement devices 10 in the search list to establish a wireless communication connection according to the physical address information transmitted by the reader 30. Thereafter, the signal processing device 20 can receive the far-end pressure signal transmitted by the connected pressure measuring device 10. That is, the signal processing device 20 performs wireless communication connection with the pressure measurement device 10 having the same physical address based on the physical address information read by the reader 30.
As can be seen from this example, the intravascular parameter measurement system of the present application can identify physical address information of information tags of different pressure measurement devices through the reader, so that the signal processing device can complete a one-to-one wireless communication connection with a desired pressure measurement device quickly and accurately according to a signal sent by the reader, thereby improving the operation efficiency and the connection accuracy, shortening the operation duration, and avoiding the signal processing device being connected with a wrong pressure measurement device.
Further, as shown in fig. 3, the signal processing device 20 further includes an analog-to-digital converter 210, and the analog-to-digital converter 210 is configured to convert the remote pressure signal to generate the remote pressure data. Specifically, the signal processing device 20 converts each pressure signal from an analog signal to a digital electrical signal by the analog-to-digital converter 210, and converts the digital electrical signal to a pressure value, thereby generating the remote pressure data Pd.
In order to ensure the accuracy of the signal processing device in processing data and avoid confusion of the measurement data of different patients, as shown in fig. 4, in one embodiment, when the number of the pressure measurement devices 10 is multiple, the signal processing device 20 selects to perform wireless communication connection; wherein: the reader 30 reads the first physical address information of the pressure measurement device 10a to be connected, and if the first physical address information is different from the second physical address information of the pressure measurement device 10b currently connected to the signal processing device 20, the signal processing device 20 disconnects the wireless communication connection of the connected pressure measurement device 10b and sends a wireless connection signal to the pressure measurement device 10a to be connected. For example, when there are multiple patients, each patient is queued for testing and each uses a separate pressure measurement device 10. Accordingly, the signal processing device 20 may be in wireless communication with only one pressure measurement device 10 at each test. When the signal processing device 20 switches connection of different pressure measurement devices 10, the physical address information of the currently connected pressure measurement device 10b is regarded as second physical address information, and the physical address information of the other pressure measurement device 10a to be connected is regarded as first physical address information. Based on this, the reader 30 reads the information tag 100 on the pressure measurement device 10a to be connected, acquires the first physical address information and sends a corresponding signal to the signal processing device 20; when the signal processing device 20 determines that the first physical address information is different from the second physical address information according to the received first physical address information, the signal processing device 20 may disconnect the currently connected pressure measurement device 10b, and send a wireless connection signal to the pressure measurement device 10a to be connected, so as to establish a wireless communication connection with the pressure measurement device 10a to be connected, thereby implementing switching between different pressure measurement devices 10.
Alternatively, the reader 30 reads the first physical address information of the pressure measuring device 10, and if the first physical address information is the same as the second physical address information of the pressure measuring device currently connected to the signal processing device 20, the signal processing device maintains a wireless communication connection with the connected pressure measuring device. That is, when the first physical address information matches the second physical address information, it indicates that the currently connected pressure measurement device of the signal processing device 20 is the same pressure measurement device as the pressure measurement device 10 read by the reader 30. By the design, detection can be performed through the reader, so that whether the currently connected pressure measurement device corresponds to the pressure measurement device or not can be verified when the plurality of pressure measurement devices correspond to the pressure measurement device, and confusion of operators can be avoided.
Further, referring back to fig. 3, a reader 30 may be provided within the signal processing device 20. For example, the reader 30 may be integrally provided in a controller within the signal processing device 20. For example, when the reader 30 is an rfid and the information tag 100 is an rfid tag, the information tag 100 of the pressure measurement device 10 is close to the rfid of the signal processing device 20, so that the reading of the information tag can be completed through near field communication.
Alternatively, as shown in fig. 5, the reader 30 may be disposed outside the signal processing device 20 and connected to the physical interface 220 of the signal processing device by wire. That is, the reader 30 may be a separate identification device and be wired to the signal processing apparatus 20 so as to transmit the read physical address information to the signal processing apparatus 20 through a data line. For example, when the information tag is a two-dimensional code or a barcode tag, the signal processing device may be externally connected to a two-dimensional code identifier or a barcode identifier, so that the reader 30 may be flexibly moved to identify the two-dimensional code tag or the barcode tag. Compared with a radio frequency identification electronic tag, the radio frequency identification electronic tag has the advantages that a two-dimensional code tag or a bar code tag is adopted, and the tag cost can be effectively reduced. Of course, the reader 30 may also be integrated with other hardware devices of the pressure measurement device or system, that is, the installation position of the reader is not limited thereto, and according to the related art, the reader 30 only needs to transmit the signal including the physical address information to the signal processing device 20 by a wired or wireless communication manner.
Further, as shown in fig. 3 and 5, the signal processing device 20 further includes a display screen 230 for displaying the wireless connection prompt information of the signal processing device 20 and the pressure measuring device 10 after the signal processing device 20 receives the physical address information of the information tag 100 of the pressure measuring device 10 sent by the reader 30. The content of the prompt message can be set by self. For example, after the reader 30 sends a signal containing the currently read second physical address information to the signal processing device 20, the signal processing device 20 may display the first physical address information of the currently connected pressure measurement device 10 through the display screen 230, and when the first physical address information is inconsistent with the second physical address information, the display screen 230 may further display an operation prompt message or a disconnection result message for disconnecting the currently connected pressure measurement device, thereby facilitating a user to intuitively know and switch the connected pressure measurement device. When the first physical address information is consistent with the second physical address information, the display screen 230 may display the physical address information and/or the corresponding identifier of the currently connected pressure measurement device, or directly display the consistency prompt information of the currently connected object, so that the user can intuitively specify the connected object of the currently connected pressure measurement device.
Alternatively, if the signal processing device 20 is not currently connected to any pressure measurement device 10, the display screen 230 may display the currently searched physical address information or identification of all pressure measurement devices 10 to be connected, so that the user can select a connection pairing. Alternatively, when the signal processing device 20 receives the physical address information of the pressure measurement device to be connected, which is read by the reader, in each searched pressure measurement device 10 to be connected, the display screen 230 may only display the identifier of the pressure measurement device, which is consistent with the physical address information sent by the reader, for the user to complete the connection pairing quickly.
Further, as shown in fig. 3 and 5, in order to realize the wireless communication connection between the pressure measurement device 10 and the signal processing device 20, in an embodiment, the pressure measurement device 10 includes a first bluetooth communication module 130, and the physical address information is a bluetooth physical address; the signal processing device 20 includes a second bluetooth communication module 240, and the second bluetooth communication module 240 is configured to be wirelessly connected with the first bluetooth communication module 130. That is, the pressure measuring device 10 and the signal processing device 20 are connected by wireless communication via bluetooth. When the number of the pressure measurement devices 10 is multiple, the first bluetooth communication module 130 of each pressure measurement device 10 transmits a broadcast signal for the signal processing device 20 to perform signal search, so that the signal processing device 20 selects to establish a bluetooth communication connection. Specifically, in the pressure measurement device 10, the remote pressure measurement unit 120 is connected to the first bluetooth communication module 130 by wire to transmit the remote pressure signal to the first bluetooth communication module 130, and the remote pressure signal is transmitted to the second bluetooth communication module 240 through the first bluetooth communication module 130.
Further, as shown in fig. 1 and 6, the intravascular parameter measurement system further comprises a parameter processing device 40, wherein the parameter processing device 40 is connected with the signal processing device 20 in a wireless communication or wired communication manner, and is used for receiving the remote pressure data processed by the signal processing device 20. The parameter processing device 40 is wired to the proximal pressure measurement component 110 for receiving and converting the proximal pressure signal into proximal pressure data. It is understood that the intravascular parameter measurement system of the present application, via the parameter processing device 40, can measure fractional flow reserve and/or decongestive pressure ratio based on the proximal pressure data and the distal pressure data via a computing module of the related art.
Optionally, when the intravascular parameter measurement system is configured to measure the IMR index, the proximal pressure measurement component may further incorporate a temperature measurement component configured to measure a first temperature signal proximal to the vascular stenosis, and the distal pressure measurement component may further incorporate a temperature measurement component configured to measure a second temperature signal distal to the vascular stenosis. The signal processing device synchronously receives the second temperature signal and the far-end pressure signal and converts the second temperature signal and the far-end pressure signal into corresponding temperature data and pressure data through the analog-to-digital converter. The parameter processing device 40 may receive the first temperature signal and the proximal pressure signal synchronously and convert them into corresponding temperature data and pressure data.
Further, the parameter processing means 40 determines the fractional flow reserve and/or the decongested pressure ratio based on the received proximal pressure data and distal pressure data, or determines the IMR index based on the received first temperature data, proximal pressure data, second temperature data, and distal pressure data. Of course, the wireless communication connection between the parameter processing device 40 and the signal processing device 20 is not limited to the bluetooth connection shown in the figure, but may also be a WiFi connection or a ZigBee connection, and is not limited thereto.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. An intravascular parameter measurement system, comprising:
the pressure measuring device comprises a far-end pressure measuring component and an information tag, wherein the far-end pressure measuring component is used for measuring a far-end pressure signal at the far end of the vascular stenosis, and the information tag is used for storing wireless communication physical address information;
the reader is used for reading the physical address information of the information tag and sending a signal containing the physical address information to the signal processing device;
the signal processing device is in communication connection with the reader, and is used for receiving the signal which is sent by the reader and contains the physical address information, sending a wireless connection signal to the corresponding pressure measuring device according to the current physical address information read by the reader, and performing wireless communication connection with the corresponding pressure measuring device to receive the remote pressure signal.
2. The intravascular parameter measurement system of claim 1, wherein:
the pressure measuring device comprises a first Bluetooth communication module, and the physical address information is a Bluetooth physical address;
the signal processing device comprises a second Bluetooth communication module, and the second Bluetooth communication module is used for being in wireless communication connection with the first Bluetooth communication module.
3. The intravascular parameter measurement system of claim 1, wherein:
the pressure measuring device comprises a packaging shell, and the information label is arranged on the packaging shell.
4. The intravascular parameter measurement system of claim 1, wherein:
the signal processing device also comprises a display screen which is used for displaying the wireless connection prompt information of the signal processing device and the pressure measuring device after receiving the physical address information of the pressure measuring device sent by the reader.
5. The intravascular parameter measurement system of claim 1, wherein:
the information tag is a radio frequency identification electronic tag, and the reader is a radio frequency identifier.
6. The intravascular parameter measurement system of claim 1, wherein:
the information tag is a two-dimensional code tag, and the reader is a two-dimensional code recognizer; or
The information label is a bar code label, and the reader is a bar code recognizer.
7. The intravascular parameter measurement system of claim 1, wherein:
the reader is arranged in the signal processing device; or
The reader is arranged outside the signal processing device and is connected with the signal processing device through a wire.
8. The intravascular parameter measurement system of claim 1, wherein:
the signal processing apparatus further comprises an analog-to-digital converter for converting the distal pressure signal to generate distal pressure data.
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