CN108703773B - Cerebral blood flow automatic regulating and monitoring device - Google Patents
Cerebral blood flow automatic regulating and monitoring device Download PDFInfo
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- CN108703773B CN108703773B CN201810581709.3A CN201810581709A CN108703773B CN 108703773 B CN108703773 B CN 108703773B CN 201810581709 A CN201810581709 A CN 201810581709A CN 108703773 B CN108703773 B CN 108703773B
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
Abstract
The application discloses cerebral blood flow automatic regulating and monitoring device, it include master control device and with the continuous blood pressure device that master control device is connected, master control device includes TCD board and master control board to through TCD board and continuous blood pressure device synchronous acquisition cerebral blood flow data and continuous blood pressure data, realized the effect of same equipment simultaneous acquisition cerebral blood flow data and continuous blood pressure data. Simultaneously, the main control board carries out real-time synchronous processing on the acquired cerebral blood flow data and continuous blood pressure data, so that synchronous real-time analysis of the cerebral blood flow data and the continuous blood pressure data is realized, and medical staff can conveniently and rapidly acquire cerebral blood flow automatic regulation data.
Description
Technical Field
The application relates to the technical field of medical treatment, in particular to an automatic cerebral blood flow regulating and monitoring device.
Background
Cerebral blood flow autoregulation (cerebral autoregulation, CA) refers to the phenomenon that human arterial blood pressure fluctuates within a certain range, and small arteries in the brain finally keep cerebral blood flow (cerebral blood flow, CBF) relatively stable through contraction or relaxation, and is a main mechanism for the brain to maintain CBF relatively constant. The TCD can monitor the blood Flow Velocity (FV) in real time through the ultrasonic Doppler principle to indicate the regulating result of the CBF under the brain blood flow automatic regulating mechanism, and when the regulating result of the CBF is indicated according to the brain blood flow velocity, the accuracy of the regulating result of the CBF is generally improved by combining blood pressure information with brain blood flow information. However, the existing blood pressure information and cerebral blood flow information need to be built by adopting an independent TCD device and an independent blood pressure acquisition device, the automatic cerebral blood flow adjustment hardware acquisition platform is checked by the TCD device and the blood pressure acquisition device at the same time, the data stored by the TCD device and the blood pressure acquisition device are stored respectively, and then the data stored by the TCD device and the blood pressure acquisition device are collected together for offline analysis.
Disclosure of Invention
In view of the shortcomings of the prior art, the application aims to provide an automatic cerebral blood flow regulating and monitoring device for realizing synchronous acquisition and real-time analysis of cerebral blood flow data and continuous blood pressure data so as to detect cerebral blood flow.
In order to solve the technical problems, the technical scheme adopted by the application is as follows:
an automatic cerebral blood flow regulation monitoring device, comprising: a main control device and a continuous blood pressure device connected with the main control device; the main control device comprises a TCD board and a main control board; the main control board is respectively connected with the continuous blood pressure device and the TCD board; the TCD board adopts cerebral blood flow data and transmits the cerebral blood flow data to the main control board, and the continuous blood pressure device acquires continuous blood pressure data and transmits the continuous blood pressure data to the main control board; and the main control board synchronously processes the received continuous blood pressure data and cerebral blood flow data and displays the processed dynamic data of blood flow regulation.
The cerebral blood flow automatic regulating and monitoring device is characterized in that an interface board is arranged in the main control device, a continuous blood pressure interface and an isolator are arranged on the interface board, the continuous blood pressure interface is respectively connected with the continuous blood pressure device and the isolator, and the isolator is connected with the main control board so as to connect the continuous blood pressure device with the main control board through the interface board.
The cerebral blood flow automatic regulating and monitoring device comprises a cuff device, wherein the cuff device comprises a cuff and a blood pressure measuring assembly, the cuff is connected with the blood pressure measuring assembly, and the blood pressure measuring assembly is connected with the main control board so as to transmit arm brachial artery blood pressure acquired by the cuff device to the main control board.
The cerebral blood flow automatic regulation monitoring device comprises a continuous blood pressure measuring assembly, a fingerstall device and a height correction device, wherein the fingerstall device and the height correction device are connected with the continuous blood pressure measuring assembly; the continuous blood pressure measuring component receives continuous blood pressure data acquired by the finger sleeve device and converts the continuous blood pressure data into brachial artery blood pressure data, and corrects the brachial artery blood pressure according to the vertical distance between the finger and the heart acquired by the height correcting device.
The cerebral blood flow automatic regulation monitoring device comprises at least one finger cuff, wherein the finger cuff comprises an inflatable air bag and a balancer; the air bag is connected with the continuous blood pressure measuring assembly, and the balancer is contacted with the air bag and is positioned on one side of the air bag away from the fingers so as to regulate the pressure outside the air bag through the balancer.
The cerebral blood flow automatic regulation monitoring device comprises a reference sensor, a transducer and a connector, wherein the reference sensor is used for being installed at a position flush with the height of a heart, and the transducer is used for being arranged on a fingerstall device; the transducer is connected to the connector and the reference sensor, respectively, to determine a vertical distance between the finger and the heart from the positions of the transducer and the reference sensor.
The cerebral blood flow automatic regulation monitoring device is characterized in that the main control device further comprises a display device, and the display device is connected with the main control board so as to display dynamic data of blood flow regulation generated by the main control board through the display device.
The cerebral blood flow automatic regulation monitoring device is characterized in that the main control device further comprises a storage device, and the storage device is connected with the main control board so as to store dynamic data of blood flow regulation generated by the main control board through the storage device.
The cerebral blood flow automatic regulating and monitoring device comprises a main control device, a TCD board, a main control board, a continuous blood pressure device, a power supply device and a control board, wherein the main control device further comprises a power supply device, the power supply device is connected with the TCD board and the main control board respectively, and supplies power for the TCD board and the main control board, and the main control board supplies power for the continuous blood pressure device.
The cerebral blood flow automatic regulating and monitoring device comprises a main control device, a communication device, a main control board, an upper computer and a control system, wherein the main control device further comprises the communication device, the main control board is connected with the communication device and is connected with the upper computer through the communication device, and the communication device at least comprises one or more of a wireless unit, a USB unit and a wired network unit.
The beneficial effects are that: compared with the prior art, the application provides a cerebral blood flow automatic regulating and monitoring device, it includes master control device and with the continuous blood pressure device that master control device is connected, master control device includes TCD board and master control board to through TCD board and continuous blood pressure device synchronous acquisition cerebral blood flow data and continuous blood pressure data, realized the effect of same equipment simultaneous acquisition cerebral blood flow data and continuous blood pressure data. Simultaneously, the main control board carries out real-time synchronous processing on the acquired cerebral blood flow data and continuous blood pressure data, so that synchronous real-time analysis of the cerebral blood flow data and the continuous blood pressure data is realized, and medical staff can conveniently and rapidly acquire cerebral blood flow automatic regulation data.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an automatic cerebral blood flow regulating and monitoring device provided by the application.
Fig. 2 is a schematic structural diagram of an angle of a main control device in an embodiment of the brain blood flow automatic adjustment monitoring device provided in the present application.
Fig. 3 is a schematic structural diagram of another angle of the master control device in an embodiment of the cerebral blood flow automatic adjustment monitoring device provided in the present application.
Fig. 4 is an exploded view of a master control device in one embodiment of the cerebral blood flow automatic regulating and monitoring device provided by the present application.
Fig. 5 is a schematic structural view of an finger sleeve in an embodiment of the cerebral blood flow automatic adjustment monitoring device provided by the present application.
Fig. 6 is a schematic structural diagram of a height correction device in an embodiment of the cerebral blood flow automatic adjustment monitoring device provided in the present application.
Detailed Description
The application provides an automatic cerebral blood flow regulating and monitoring device, which is used for making the purposes, the technical scheme and the effects of the application clearer and more definite, and the application is further described in detail below by referring to the attached drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The application will be further described by the description of embodiments with reference to the accompanying drawings.
The present embodiment provides an automatic cerebral blood flow regulating and monitoring device, as shown in fig. 1, which comprises a main control device and a continuous blood pressure device 300, wherein the continuous blood pressure device is connected with the main control device, and continuous blood pressure data collected by the continuous blood pressure device is sent to the main control device. As shown in fig. 2, the master control device includes a master control board 100 and a TCD board 200; the continuous blood pressure device 300 and the TCD board 200 are connected with the main control board 100. The continuous blood pressure device 300 collects continuous blood pressure data of a testee, the TCD board 200 collects cerebral blood flow data of the testee, the continuous blood pressure device 300 sends the collected continuous blood pressure data to the main control board 100, the TCD board 200 sends the collected cerebral blood flow data to the main control board 100, the main control board 100 receives the continuous blood pressure data and the cerebral blood flow data respectively, synchronously processes the received continuous blood pressure data and the cerebral blood flow data according to the collection time, and processes the obtained dynamic data of blood flow regulation to display. In this embodiment, the TCD board 200 and the continuous blood pressure device 300 are integrated, so that the same device can collect cerebral blood flow data and continuous blood pressure data simultaneously through the TCD board 200 and the continuous blood pressure device 300. Simultaneously, be provided with the main control board in the casing, through main control board carries out real-time processing to the cerebral blood flow data and the continuous blood pressure data of gathering, has realized the synchronous real-time analysis of cerebral blood flow data and continuous blood pressure data, and the medical staff of being convenient for acquires cerebral blood flow automatically regulated data fast. In addition, the TCD board and the continuous blood pressure device can also work independently, namely the cerebral blood flow automatic regulating and monitoring device can collect cerebral blood flow data independently, can collect continuous blood pressure data independently, and can collect cerebral blood flow data and continuous blood pressure data simultaneously.
As shown in fig. 2-4, the master device comprises a housing 1 comprising a front housing 103 and a rear housing 102, the front housing 103 and the rear housing 102 cooperating to form the housing with a receiving cavity. The main frame 101 is arranged in the accommodating cavity of the shell 1, the main control board 100 is arranged on the main frame, and the TCD board is inserted on the main control board to carry out current and signal transmission with the main control board. The continuous blood pressure device is positioned outside the shell and connected with the main control board. Correspondingly, a continuous blood pressure interface is arranged on the shell, and the continuous blood pressure device 300 is connected with the main control board 100 through the continuous blood pressure interface, so that continuous blood pressure and cerebral blood flow data can be synchronously acquired. In addition, the shell 1 is further provided with a plurality of probe signal interfaces 11, the TCD module is connected with an external probe through the plurality of probe signal interfaces, and the TCD probe is used for collecting cerebral blood flow signals and transmitting the cerebral blood flow signals to the TCD module through the probe signal interfaces, wherein the TCD probe is preferably an automatic probe, and the frequency of the automatic probe can be 1-16MHz. Of course, in practical application, the shell may further be provided with a USB interface, a network interface, a power interface, a function key, an indicator light, a power amplifier 15, etc., where the key may be used to control the cerebral blood flow automatic adjustment monitoring device to be turned on or off, the indicator light may be used to indicate the working state of the cerebral blood flow automatic adjustment monitoring device, and the power amplifier 15 may be used to generate a prompt tone such as a buzzer, etc.
Further, an interface board is arranged in the main control device, and the interface board is arranged on the main frame. The interface board and the main control board are respectively positioned on two side surfaces of the main frame, and the two side surfaces are oppositely arranged. The continuous blood pressure interface is located on the interface board, an isolator is arranged on the interface board, one end of the continuous blood pressure interface is detachably connected with the continuous blood pressure device, the other end of the continuous blood pressure interface is connected with one end of the isolator, and the other end of the isolator is connected with an RS232 interface of the main control board through RS232 so as to connect the continuous blood pressure device to the main control board.
In addition, the main control board 100 is configured to receive cerebral blood flow data sent by the TCD board and continuous blood pressure data sent by the continuous blood pressure device through a continuous blood pressure interface, perform time-based synchronization processing on the cerebral blood flow data and the continuous blood pressure data, and control and display automatically adjusted data obtained by the processing. Meanwhile, the main control board can also generate cerebral blood flow spectrum information according to the cerebral blood flow data, and a spectrogram corresponding to the spectrum information is depicted on a display interface. In addition, the main control board can also directly display the continuous blood pressure data acquired by the continuous blood pressure device on the display interface, and the continuous blood pressure data, the spectrogram and the automatic regulation data can be synchronously displayed on the display interface. In this embodiment, the main control board may include a main control chip (e.g., bridge board) connected to the TCD board through USB and connected to the continuous blood pressure device through RS 232. In addition, the main control chip can be connected with a storage device, a memory unit, a fan and a wireless module; meanwhile, the main control chip can be provided with a USB interface, a wired network interface, a serial port, a VGA interface and the like. In addition, the main control chip can be connected with the function keys, the indicator lights and the power amplifier, and the function keys, the indicator lights and the power amplifier are controlled by the main control chip. Of course, in this embodiment, the main control chip is preferably a bridge board, for example, an industrial control motherboard of the ECM-QM77 model.
The TCD board 200 is configured to receive an echo signal of cerebral blood flow collected by an external probe, amplify the echo signal, demodulate the amplified echo signal to obtain a frequency shift signal, filter the frequency shift signal, and then perform AD conversion to a digital signal, where the digital signal obtained by conversion is transmitted to the main control board through USB after being processed. In this embodiment, the TCD board may be a TCD control board (e.g., FPGA chip), two probe motor interfaces, a USB interface, an adapter board (e.g., CY7C68013 chip), an analog-to-digital converter ADC, a TCD transmitting board, and an input interface; the analog data converter ADC, the TCD transmitting plate and the input interface are sequentially connected to form a receiving and transmitting branch, the adapter plate and the USB interface are sequentially connected to form a USB communication branch, the two probe motor interfaces form a control branch, and the receiving and transmitting instruction, the USB communication branch and the control instruction are all connected with the TCD control board. The receiving and transmitting branch is used for receiving echo signals of cerebral blood flow acquired by an external TCD probe and processing the echo signals so as to convert the echo signals into digital signals, the TCD control board is used for processing the digital signals, and the USB communication branch is used for sending the processed digital signals to the main control board through a USB protocol; the control branch is used for controlling the working mode of the driving motor of the TCD probe. In practical application, the TCD transmitting board is configured with at least two paths of PW transmitting/receiving channels, the analog data converter is built in the TCD transmitting board, and the input interface is disposed on the TCD transmitting board and connected to the probe signal interface disposed on the housing. The adapter plate is arranged on the TCD control board, and the USB interface is arranged on the adapter plate and connected with the main control board through the USB interface. In practical application, the TCD control board is in power supply and signal transmission with the main control board through a connector, and the TCD control board and the main control board are fixed together through a bolt column; the TCD transmitting plate is in power supply and signal transmission with the TCD control plate through a connector, and the TCD transmitting plate and the TCD control plate are fixed together through a bolt column.
Further, at least two paths of PW transmitting and receiving circuits are disposed on the TCD transmitting board 19, and the PW transmitting and receiving circuits receive an ultrasonic signal collected by a probe connected to the transcranial ultrasonic doppler analyzer through a probe interface, and transmit the ultrasonic signal to the TCD control board, and the ultrasonic signal is sent to the host computer through the TCD control board via USB, so as to obtain an ultrasonic signal, which is sent to the host computer through the TCD control board and the embedded core board via a network. In this embodiment, the PW transmitting/receiving channel includes a receiving channel and a transmitting channel, where the receiving channel includes a receiving branch and an amplifying branch; the receiving branch comprises a first resonant circuit, a pre-amplifying circuit (such as EL 2125), a post-amplifying circuit (such as OPA 2822), a mixer, a filter circuit, a single-end-to-differential circuit and an analog-to-digital converter (such as AD 7961) which are sequentially connected in sequence according to the electric signals; the amplifying branch circuit comprises an operational amplifier circuit (such as OPA 2822) and a mixer which are sequentially connected according to the digital signal sequence; the receiving branch is used for receiving the ultrasonic signals sent by the external probe, the amplifying branch is used for receiving the control signals of the control board, and the control signals and the ultrasonic signals are mixed in the mixer.
Further, the transmitting channel comprises a transmitting branch and a drain circuit, the transmitting branch comprises a transmitting branch and a driving branch, and the transmitting branch comprises a digital-to-analog converter (such as AD 5628), a power amplifying circuit, a transformer and a second resonant circuit which are sequentially connected according to the digital signal sequence; the driving branch circuit comprises a first double MOS driver (such as MD 1210) and a first field effect transistor (FDS 89161 LZ) which are sequentially connected according to the digital signal sequence, and the first field effect transistor is connected with the transformer; the drain circuit includes, in order of digital signals, a second dual MOS driver (e.g., MD 1210), a second field effect transistor (e.g., FDS 4559), a diode (e.g., MMSD4148T 1G), and a resistor that interfaces with the resonant network and with a probe disposed on the housing. The leakage circuit is used for discharging residual voltage after the transmission branch circuit finishes transmitting, the driving branch circuit is used for enabling the transmission waveform generated by the transformer to be transmitted to the first resonant circuit, and the transmission branch circuit is used for receiving a control signal transmitted by the TCD control chip and transmitting the control signal to the external probe.
The continuous blood pressure device 300 is configured to receive a finger blood pressure signal continuously measured by an external fingerstall, convert the measured finger arterial blood pressure into an analog voltage signal, and convert the analog voltage signal into a brachial artery blood pressure; and simultaneously transmitting the finger blood pressure signal and the brachial artery blood pressure signal obtained after conversion to a main control board. In this embodiment, the continuous blood pressure device includes a continuous blood pressure measurement assembly, a finger cuff device, and a height correction device, and the continuous blood pressure measurement assembly is connected to the finger cuff device and the height correction device, respectively. The finger set device is used for collecting finger blood pressure signals of a tested person, and the height correction device is used for obtaining the vertical distance between the finger and the heart; the continuous blood pressure measuring component receives continuous blood pressure data acquired by the finger sleeve device and converts the continuous blood pressure data into brachial artery blood pressure data, and corrects the brachial artery blood pressure according to the vertical distance between the finger and the heart acquired by the height correcting device. Simultaneously, the continuous blood pressure measuring component synchronously sends finger blood pressure data obtained according to the finger blood pressure signals and brachial artery blood pressure data obtained through conversion to the main control board, so that the main control board synchronously receives the finger blood pressure data and the brachial artery blood pressure data.
Further, the cuff device acquires finger arterial pressure using a volume compensation method and includes at least one cuff. As shown in fig. 5, the finger cuff includes an inflatable bladder and a balancer; the air bag is connected with the continuous blood pressure measuring assembly, and the balancer is contacted with the air bag and is positioned on one side of the air bag away from the fingers so as to regulate the pressure outside the air bag through the balancer. In this embodiment, the air bag is connected to the continuous blood pressure transfer through an air path and inflated and deflated by the continuous blood pressure device, where the air bag is a wrapped air bag and is used for being wrapped around a finger (for example, a middle finger second knuckle, etc.) of the subject. In addition, the balancer is contacted with the air bag and is positioned at the outer side of the air bag, and the pressure change outside the air bag is controlled through the balancer, so that the finger blood vessel is in a state of being clamped in equal capacity, and therefore the pressure of the air bag is equal to the pressure of the finger artery, and the real-time tracking acquisition of the pressure signal of the finger artery is realized. Wherein, the balancer adopts an infrared blood volume probe. Correspondingly, the continuous blood pressure device controls the fingerstall to be inflated and deflated, and the artery with the fluctuation of the finger is clamped in an equal capacity state by a variable reverse pressure balancer to obtain a pressure waveform; and the pressure of the external air bag is controlled by using an infrared blood volume probe on the finger stall, and the external pressure is kept the same as the pressure of the finger artery, so that the pressure of the finger artery is obtained. In this embodiment, the cuff device includes two cuffs and the cuffs may be operated individually or in a rotation to facilitate continuous long-term monitoring of blood pressure. Of course, in practical application, the finger stall adopts a hollow cylindrical inflatable ring sleeve, the inner side of the inflatable ring sleeve is provided with inflatable air bags, and the two sides of the finger stall are provided with infrared plethysmographs which are used for monitoring the size change of the finger artery in the finger stall, so that the finger stall is tightly contacted with the finger of a patient after being inflated, the interference of various external factors is reduced, and the accuracy of measured data is ensured. Wherein the infrared plethysmograph may include a light source through which infrared light is generated and a light detector through which dimensional changes of a finger artery within the cuff are detected.
Further, as shown in fig. 6, the height detecting device may include a reference sensor connected to the continuous blood pressure device, a transducer connected to the reference sensor and the connector, respectively, and a connector connected to the continuous blood pressure device. The reference sensor is mounted at a level with the heart and the transducer means is mounted on the finger cuff so that the height detection means can obtain the vertical distance between the finger and the heart. The reference sensor and the transducer can be placed in a manner of a magic tape with mutually matched rough surfaces and hook surfaces. In this embodiment, the reference sensor and the transducer are connected to each other through a silicone tube with a liquid inside, and the transducer is connected to the connector through a wire. Furthermore, before starting the measurement, the value of the reference sensor should be checked, and when the transducer and the reference sensor are at the same level, the offset of the reference sensor is 0 at this time; when the reference sensor moves to the horizontal position of the heart of the body, the reference sensor has a height offset, the height detection device sends a height correction signal to the continuous blood pressure device, and the continuous blood pressure device compensates continuous blood pressure data according to the correction signal. When the offset of the reference sensor is positive, the measured continuous blood pressure data is reduced; when the offset of the reference sensor is negative, the measured continuous blood pressure data is adjusted to be high. In this embodiment, the offset may be proportional to the continuous blood pressure data adjustment value, and the proportional relationship is preferably 1/0.76. That is, when the offset amount is 1, the blood pressure data adjustment value is-1.316 mmHg, and when the offset amount is-1, the blood pressure data adjustment value is 1.316mmHg.
Meanwhile, in this embodiment, the casing is further provided with a cuff device 500, the cuff device 500 is connected with the continuous blood pressure device 300, and the cuff device 500 is used for collecting the arterial blood pressure of the arm and transmitting the arterial blood pressure of the arm to the main control board. In this embodiment, the cuff device may include a cuff and a blood pressure measurement assembly, the blood pressure measurement assembly is located in the housing, the cuff is located outside the housing, and the cuff is connected with the blood pressure measurement assembly, so that the arm brachial artery blood pressure signal is obtained by surrounding and squeezing the arm through the cuff. Correspondingly, the shell is provided with the cuff interface, the cuff is connected with the blood pressure measuring component through the cuff interface, and the blood pressure measuring component is connected with the interface board through the serial port. Correspondingly, a serial port interface, a conversion chip (such as a CP2102 chip) and a USB HUB are configured on the interface board, the serial port interface, the conversion chip and the USB HUB are sequentially connected, the blood pressure measuring component is connected with the serial port interface, serial port data are converted into USB data through the conversion chip, and then the USB data are transmitted to the main control board through the USB HUB, so that arm brachial artery blood pressure signals collected by the cuff device are sent to the main control board. Correspondingly, the main control board receives the brachial artery blood pressure signals of the arm, the brachial artery blood pressure signals of the arm are sent to the continuous blood pressure device, and the continuous blood pressure device corrects brachial artery blood pressure by receiving accurate brachial artery blood pressure signals of the arm, so that more accurate continuous brachial artery blood pressure is obtained. In practical application, the cuff is used for being wound on an arm, the cuff is inflated and deflated through a cuff acquisition module arranged in the cuff, in the deflation process, the oscillation pressure of the cuff is received to form an oscillation signal, the oscillation signal is transmitted to a cuff circuit, the cuff circuit processes the oscillation signal to obtain systolic pressure and diastolic pressure signals, and the obtained systolic pressure and diastolic pressure signals are transmitted to a blood pressure measuring assembly.
Further, a display device 700 is arranged on the shell, the display device is connected with the main control board, and the display device receives and displays dynamic data of blood flow regulation sent by the main control board. In this embodiment, the display device may include a touch control board and a touch screen 12, where the touch control board is connected to the touch control board through the touch screen, and the touch control board is connected to the main control chip through a filter disposed on the expansion board. The touch screen can also be used as a display screen, namely the touch screen receives and displays dynamic data of blood flow regulation sent by the main control board. Of course, the display device may further include a display screen, where the touch screen is configured to receive a touch instruction of a user, and the display screen is configured to receive and display dynamic data of blood flow regulation sent by the main control board.
Further, the main control device further comprises a storage device 600, the storage device 600 is connected with the main control board 100, and the storage device 600 is used for storing continuous blood pressure data and cerebral blood flow data received by the main control board. In this embodiment, the storage device may be a device such as a hard disk, which may be connected to a main control chip through SATA, and connected to the storage device through the main control chip. Thus, when the main control chip receives the cerebral blood flow data and/or the continuous blood pressure data, the received cerebral blood flow data and/or continuous blood pressure data can be stored in the storage device.
In addition, a power supply device 400 is arranged in the shell, and is respectively connected with the TCD board and the main control board, and is used for supplying power to the TCD board and the main control board and supplying power to the continuous blood pressure device through the main control board. The power supply device can comprise a battery module and a power management module, wherein the battery module is respectively connected with the TCD board and the main control board, and is used for supplying power to the TCD board and the main control board. In this embodiment, the battery module may be a chargeable and dischargeable battery such as a lithium battery, so that the cerebral blood flow automatic adjustment monitoring device may not need to be powered by 220v, so that it does not need to repeatedly switch on and off during the moving process, on one hand, the use process of the cerebral blood flow automatic adjustment monitoring device is simplified, on the other hand, the continuity of data acquisition can be improved, and the efficiency of detection and analysis is improved. In addition, the power management module is respectively connected with the power interface and the battery module so as to switch the power supply mode of the cerebral blood flow automatic regulation monitoring device. The power interface is connected with an external power supply, and can be connected with the battery module through the power management module, so that the power adapter can charge the battery module when the power adapter supplies power for the cerebral blood flow automatic regulation monitoring device.
Further, the power supply device 400 includes a filtering unit, an AC-DC unit and a DC-DC unit, which are sequentially connected, wherein the AC-DC module is used for converting AC mains supply into DC voltage; the filter plate has the function of filtering the interference frequency of the commercial power network and reducing the interference of the power network to the machine. In addition, the filter plate comprises a common-mode inductor and a Y capacitor, the common-mode inductor can filter alternating current L and N line noise, common-mode interference signals are filtered, and meanwhile EMC indexes are improved; the Y capacitance can filter out common mode signal interference.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (6)
1. An automatic cerebral blood flow regulation monitoring device, characterized in that it comprises: a main control device and a continuous blood pressure device connected with the main control device; the main control device comprises a TCD board and a main control board; the main control board is respectively connected with the continuous blood pressure device and the TCD board; the TCD board collects cerebral blood flow data and transmits the cerebral blood flow data to the main control board, and the continuous blood pressure device collects continuous blood pressure data and transmits the continuous blood pressure data to the main control board; the main control board synchronously processes the received continuous blood pressure data and cerebral blood flow data, and displays the processed dynamic data of blood flow regulation;
the continuous blood pressure device comprises a continuous blood pressure measuring assembly, and a finger cuff device and a height correction device which are all connected with the continuous blood pressure measuring assembly; the continuous blood pressure measuring component receives continuous blood pressure data acquired by the finger sleeve device and converts the continuous blood pressure data into brachial artery blood pressure data, and corrects the brachial artery blood pressure according to the vertical distance between the finger acquired by the height correcting device and the heart;
the finger sleeve device comprises a plurality of finger sleeves, and each finger sleeve rotates to run when the finger sleeve device collects continuous blood pressure data;
the height correction device comprises a reference sensor for being installed at a position flush with the height of the heart, a transducer for being arranged on the fingerstall device and a connector; the transducer is respectively connected with the connector and the reference sensor so as to determine the vertical distance between the finger and the heart through the positions of the transducer and the reference sensor;
an interface board is arranged in the main control device, a continuous blood pressure interface and an isolator are arranged on the interface board, the continuous blood pressure interface is respectively connected with the continuous blood pressure device and the isolator, and the isolator is connected with the main control board so as to connect the continuous blood pressure device with the main control board through the interface board;
the cuff device comprises a cuff and a blood pressure measuring assembly, the cuff is connected with the blood pressure measuring assembly, and the blood pressure measuring assembly is connected with the main control board so as to transmit arm brachial artery blood pressure acquired by the cuff device to the main control board;
the continuous blood pressure device receives the brachial artery blood pressure of the arm and corrects continuous blood pressure data according to the brachial artery blood pressure of the arm.
2. The cerebral blood flow automatic regulation monitoring device of claim 1, wherein the cuff device comprises at least one cuff comprising an inflatable balloon and a balancer; the air bag is connected with the continuous blood pressure measuring assembly, and the balancer is contacted with the air bag and is positioned on one side of the air bag away from the fingers so as to regulate the pressure outside the air bag through the balancer.
3. The device according to claim 1, wherein the main control device further comprises a display device connected to the main control board for displaying dynamic data of the blood flow regulation generated by the main control board.
4. The device of claim 1, wherein the main control device further comprises a storage device, and wherein the storage device is connected to the main control board, so as to store dynamic data of the blood flow regulation generated by the main control board.
5. The cerebral blood flow automatic regulating and monitoring device according to claim 1, wherein the main control device further comprises a power supply device, the power supply device is respectively connected with the TCD board and the main control board, and the power supply device supplies power to the TCD board and the main control board and supplies power to the continuous blood pressure device through the main control board.
6. The device according to claim 1, wherein the main control device further comprises a communication device, the main control board is connected with the communication device and is connected with the upper computer through the communication device, and the communication device at least comprises one or more of a wireless unit, a USB unit and a wired network unit.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883383A (en) * | 2006-06-21 | 2006-12-27 | 深圳市德力凯电子有限公司 | Cerebral blood flow regulation function monitor system and method for detecting cerebral circulation critical closing pressure |
| CN103006334A (en) * | 2013-01-05 | 2013-04-03 | 中国科学院深圳先进技术研究院 | Individualized real-time measuring system for noninvasive cerebral blood flow automatic adjusting function |
| CN103110431A (en) * | 2012-09-12 | 2013-05-22 | 中国科学院深圳先进技术研究院 | Noninvasive continuous blood pressure measurement device and method |
| CN104706348A (en) * | 2015-03-20 | 2015-06-17 | 宁波市美灵思医疗科技有限公司 | Multi-mode continuous blood pressure measurement device and self-calibration method thereof |
| CN105877723A (en) * | 2016-06-22 | 2016-08-24 | 中国科学院苏州生物医学工程技术研究所 | Noninvasive continuous blood pressure measuring device |
| CN106108877A (en) * | 2016-06-03 | 2016-11-16 | 广州中科新知科技有限公司 | A kind of survey meter of blood pressure |
| CN107296627A (en) * | 2017-07-14 | 2017-10-27 | 深圳市德力凯医疗设备股份有限公司 | Output intent, storage medium and the ultrasonic device of cerebral-vessel imaging index |
| CN209004046U (en) * | 2018-06-07 | 2019-06-21 | 深圳市德力凯医疗设备股份有限公司 | A kind of cerebral-vessel imaging monitor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8821408B2 (en) * | 2006-04-05 | 2014-09-02 | The Regents Of The University Of California | Data mining system for noninvasive intracranial pressure assessment |
-
2018
- 2018-06-07 CN CN201810581709.3A patent/CN108703773B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883383A (en) * | 2006-06-21 | 2006-12-27 | 深圳市德力凯电子有限公司 | Cerebral blood flow regulation function monitor system and method for detecting cerebral circulation critical closing pressure |
| CN103110431A (en) * | 2012-09-12 | 2013-05-22 | 中国科学院深圳先进技术研究院 | Noninvasive continuous blood pressure measurement device and method |
| CN103006334A (en) * | 2013-01-05 | 2013-04-03 | 中国科学院深圳先进技术研究院 | Individualized real-time measuring system for noninvasive cerebral blood flow automatic adjusting function |
| CN104706348A (en) * | 2015-03-20 | 2015-06-17 | 宁波市美灵思医疗科技有限公司 | Multi-mode continuous blood pressure measurement device and self-calibration method thereof |
| CN106108877A (en) * | 2016-06-03 | 2016-11-16 | 广州中科新知科技有限公司 | A kind of survey meter of blood pressure |
| CN105877723A (en) * | 2016-06-22 | 2016-08-24 | 中国科学院苏州生物医学工程技术研究所 | Noninvasive continuous blood pressure measuring device |
| CN107296627A (en) * | 2017-07-14 | 2017-10-27 | 深圳市德力凯医疗设备股份有限公司 | Output intent, storage medium and the ultrasonic device of cerebral-vessel imaging index |
| CN209004046U (en) * | 2018-06-07 | 2019-06-21 | 深圳市德力凯医疗设备股份有限公司 | A kind of cerebral-vessel imaging monitor |
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