CN108784742B - Cerebral blood flow automatic regulating and monitoring equipment - Google Patents
Cerebral blood flow automatic regulating and monitoring equipment Download PDFInfo
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- CN108784742B CN108784742B CN201810581710.6A CN201810581710A CN108784742B CN 108784742 B CN108784742 B CN 108784742B CN 201810581710 A CN201810581710 A CN 201810581710A CN 108784742 B CN108784742 B CN 108784742B
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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
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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
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
Abstract
The application discloses cerebral blood flow automatically regulated monitoring facilities, it includes the casing, be provided with TCD module and continuous blood pressure module in the casing to through TCD module and continuous blood pressure module 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. Meanwhile, a processing module is arranged in the shell, and the acquired cerebral blood flow data and continuous blood pressure data are processed in real time through the processing module, 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 automatic cerebral blood flow regulating and monitoring equipment.
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 synchronously collecting cerebral blood flow data and continuous blood pressure data and analyzing the cerebral blood flow data in real time 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 processing module, a TCD module, and a continuous blood pressure module; the continuous blood pressure module and the TCD module are connected with the processing module, and the continuous blood pressure module collects continuous blood pressure data and sends the continuous blood pressure data to the processing module; the TCD module adopts cerebral blood flow data and transmits the cerebral blood flow data to the processing module; and the processing module 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 regulation monitoring equipment further comprises a cuff module, wherein the cuff module is connected with the continuous blood pressure module; the cuff module collects arm brachial artery blood pressure and transmits the arm brachial artery blood pressure to the processing module.
The cerebral blood flow automatic regulation monitoring equipment is characterized in that the processing module is also used for receiving the arm brachial artery blood pressure data and correcting continuous blood pressure data acquired by the finger sleeve module according to the arm brachial artery blood pressure data.
The cerebral blood flow automatic regulation monitoring equipment comprises a continuous blood pressure measuring unit, a dactylotheca unit and a height correcting unit, wherein the dactylotheca unit and the height correcting unit are connected with the continuous blood pressure measuring assembly, and the dactylotheca unit is used for collecting continuous blood pressure data; the height correction unit is used for obtaining the vertical distance between the finger and the heart and sending the vertical distance between the finger and the heart to the continuous blood pressure measurement assembly, and the continuous blood pressure measurement assembly corrects arm brachial artery blood pressure data obtained by continuous blood pressure conversion according to the distance.
The cerebral blood flow automatic regulation monitoring equipment further comprises a display module, wherein the display module is connected with the processing module and receives and displays dynamic data of blood flow regulation sent by the processing module.
The cerebral blood flow automatic regulation monitoring device further comprises a storage module, wherein the storage module is connected with the processing module and is used for storing continuous blood pressure data and cerebral blood flow data received by the processing module.
The cerebral blood flow automatic regulation monitoring equipment further comprises a power supply module, wherein the power supply module is respectively connected with the TCD module and the processing module, and is used for supplying power to the TCD module and the processing module and supplying power to the continuous blood pressure module through the processing module.
The cerebral blood flow automatic regulation monitoring equipment comprises a power module, a power supply module and a control module, wherein the power module comprises a filtering unit, an AC-DC unit and a DC-DC unit which are sequentially connected; the filtering unit comprises a common-mode inductor and a Y capacitor, wherein the common-mode inductor is used for filtering input current, and the Y capacitor is used for filtering a common-mode signal output by the dynamic common-mode inductor.
The cerebral blood flow automatic regulation monitoring equipment comprises a processing module, a control unit and a communication unit, wherein the control unit is connected with the communication unit and is connected with an upper computer through the communication unit.
The cerebral blood flow automatic regulation monitoring device comprises a communication unit and a monitoring unit, wherein the communication unit 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, which comprises a shell, a TCD module and a continuous blood pressure module are arranged in the shell, so that cerebral blood flow data and continuous blood pressure data are synchronously collected through the TCD module and the continuous blood pressure module, and the effect that the same device collects cerebral blood flow data and continuous blood pressure data simultaneously is realized. Meanwhile, a processing module is arranged in the shell, and the acquired cerebral blood flow data and continuous blood pressure data are processed in real time through the processing module, 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 in the present application.
Fig. 2 is a schematic structural view of an angle of an embodiment of the cerebral blood flow automatic adjustment monitoring device provided in the present application.
Fig. 3 is a schematic structural view of another angle of an embodiment of the cerebral blood flow automatic adjustment monitoring device provided in the present application.
Fig. 4 is an exploded view of one embodiment of the cerebral blood flow automatic regulating and monitoring device provided herein.
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 regulation monitoring device, as shown in fig. 1 and 2, which includes a processing module 100, a TCD module 200, and a continuous blood pressure module 300; the continuous blood pressure module 300 and the TCD module 200 are connected to the processing module 100, and collect continuous blood pressure data of the subject through the continuous blood pressure module 300, and collect cerebral blood flow data of the subject through the TCD module 200. The continuous blood pressure module 300 sends the collected continuous blood pressure data to the processing module 100, the TCD module 200 sends the collected cerebral blood flow data to the processing module 100, and the processing module 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 for display. In the embodiment, the TCD module 200 and the continuous blood pressure module 300 are integrated, and the TCD module 200 and the continuous blood pressure module 300 synchronously collect cerebral blood flow data and continuous blood pressure data, so that the effect of simultaneously collecting cerebral blood flow data and continuous blood pressure data by the same device is achieved. Meanwhile, the TCD module and the continuous blood pressure module are connected to the same processing module, and the acquired cerebral blood flow data and continuous blood pressure data are processed in real time through the processing module, 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. In addition, the TCD module and the continuous blood pressure module can also work independently, that is, 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.
Also in this embodiment, as shown in fig. 2-4, the cerebral blood flow automatic regulation monitoring apparatus includes a housing 1, the housing 1 including a front housing 103 and a rear housing 102, the front housing and the rear housing cooperating to form a housing having a receiving cavity. A main frame 101 is arranged in the accommodating cavity of the shell 1, and a TCD module 200 and a processing die are arranged on the main frame. The continuous blood pressure module is positioned outside the shell and connected with the processing module. Correspondingly, a continuous blood pressure interface is arranged on the shell, and the continuous blood pressure module is connected with the processing module through the continuous blood pressure interface so as to synchronously collect continuous blood pressure and cerebral blood flow data. 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.
The processing module 100 is configured to receive cerebral blood flow data sent by the TCD module and continuous blood pressure data sent by the continuous blood pressure module, 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 processing module 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 processing module can also directly display the continuous blood pressure data acquired by the continuous blood pressure module on a 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 processing module may include a main control chip (e.g., a bridge board) connected to the TCD module through a USB and connected to the continuous blood pressure module through RS 232. In addition, the main control chip can be connected with a storage module, 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 module 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, then perform AD conversion to a digital signal, and transmit the digital signal obtained by conversion to the processing module through USB after processing. In this embodiment, the TCD module may include a TCD control board (e.g., FPGA chip), two probe motor interfaces, a USB interface, an adapter board (e.g., CY7C68013 chip), an 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 processing module 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 processing module through the USB interface. In practical application, the TCD control board is used for carrying out power supply and signal transmission with the processing module through a connector, and the TCD control board and the processing module 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.
The continuous blood pressure module 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 brachial artery blood pressure; and simultaneously transmitting the finger blood pressure signal and the brachial artery blood pressure signal obtained after conversion to a processing module. In this embodiment, the continuous blood pressure module may include an expansion board, where at least an isolator, a fingerstall module, and a continuous blood pressure interface are disposed on the expansion board; the isolator, the continuous blood pressure interface and the finger cuff module are sequentially connected and connected with the processing module through the isolator. The continuous blood pressure interface is connected with the isolator through RS232, and the isolator is connected with the processing module through RS 232.
Meanwhile, in this embodiment, the casing is further provided with a cuff module 500, the cuff module 500 is connected with the continuous blood pressure module 300, and the cuff module 500 is used for collecting the arterial blood pressure of the arm and transmitting the arterial blood pressure of the arm to the processing module. In this embodiment, the cuff module may include a cuff module board, the cuff chip and a cuff interface, the cuff chip is connected with the cuff interface and connected with an external cuff through the cuff interface, and the cuff chip is connected with the expansion board through a serial port. Correspondingly, a serial port interface, a conversion chip (such as a CP2102 chip) and a USB HUB are configured on the expansion board, the serial port interface, the conversion chip and the USB HUB are sequentially connected, the cuff module 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 processing module through the USB HUB, so that arm brachial artery blood pressure signals collected by the cuff module are sent to the processing module. Correspondingly, the processing module receives the brachial artery blood pressure signal of the arm, and the brachial artery blood pressure signal of the arm is sent to the continuous blood pressure module, and the continuous blood pressure module corrects the brachial artery blood pressure of the arm by receiving the accurate brachial artery blood pressure signal of the arm, so that more accurate continuous brachial artery blood pressure is obtained. In practical application, the cuff collection device may include a cuff, where the cuff is used to wind around an arm, and the cuff is inflated and deflated by a cuff collection module disposed in the cuff, in the deflation process, the oscillation pressure of the cuff is received to form an oscillation signal, and the oscillation signal is transmitted to a cuff module circuit, and the cuff module processes the oscillation signal to obtain systolic pressure and diastolic pressure signals, and transmits the obtained systolic pressure and diastolic pressure signals to a continuous blood pressure module.
Further, the continuous blood pressure module 300 includes a dactylotheca unit and a height correction unit, both of which are connected with the continuous blood pressure measurement assembly, the dactylotheca unit being used for collecting continuous blood pressure data; the height correction unit is used for obtaining the vertical distance between the finger and the heart and sending the vertical distance between the finger and the heart to the continuous blood pressure measurement assembly, and the continuous blood pressure measurement assembly corrects arm brachial artery blood pressure data obtained by continuous blood pressure conversion according to the distance. In this embodiment, the dactylotheca unit and the correction unit are both connected with an external noninvasive finger blood pressure acquisition device, and the noninvasive finger blood pressure acquisition device is used for acquiring finger arterial blood pressure signals and transmitting the finger arterial blood pressure signals to the processing module.
The non-invasive finger blood pressure collection device may include two finger cuffs and the two finger cuffs may be operated individually or in rotation to facilitate continuous long-term monitoring of blood pressure. In addition, the finger stall adopts a volume compensation method to obtain finger arterial pressure, and the finger stall comprises an inflatable air bag, a balancer and an air path; the air channel is connected with the air bag and inflates the air bag; the air bag is a wrapped air bag and is used for being wound on the finger (for example, middle finger second knuckle and the like) of a testee, the balancer is in contact with the air bag and is positioned on 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 clamped equal-capacity state, and therefore the air bag pressure is equal to the finger artery pressure, and the finger artery pressure signal is tracked and acquired in real time. Wherein, the balancer adopts an infrared blood volume probe. Correspondingly, the finger unit controls the finger cuff to be inflated and deflated, and the artery of the finger fluctuation 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 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, so that the finger stall is in close contact with the finger of a patient after being inflated by the infrared plethysmographs, thereby reducing the interference of various external factors and ensuring the accuracy of measurement data. 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.
The height correction unit comprises a reference sensor, a transducer, a connector, an air pipe and a wire, wherein the reference sensor is connected with the continuous blood pressure module, the transducer is respectively connected with the reference sensor and the connector, and the connector is connected with the continuous blood pressure module. The reference sensor is arranged on the cuff and is flush with the height of the heart, and the transducer device is arranged on the fingerstall, so that the vertical distance between the finger and the heart can be acquired by the height detection device. 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 module, and the continuous blood pressure module 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.
Further, it also includes a display module 700, which is connected to the processing module and receives and displays the dynamic data of blood flow regulation sent by the processing module. In this embodiment, the display module 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 processing module. Of course, the display module 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 adjustment sent by the processing module.
Further, it further includes a storage module 600, where the storage module 600 is connected to the processing module 100, and the storage module 600 is used to store the continuous blood pressure data and the cerebral blood flow data received by the processing module. In this embodiment, the storage module may be a device such as a hard disk, which may be connected to the main control chip through SATA, and connected to the storage module through the main control chip. Thus, when the main control chip receives cerebral blood flow data and/or continuous blood pressure data, the received cerebral blood flow data and/or continuous blood pressure data can be stored in the storage module.
In addition, it further includes a power module 400, where the power module is connected to the TCD module and the processing module, and the power module supplies power to the TCD module and the processing module, and supplies power to the continuous blood pressure module through the processing module. The power module can comprise a battery module and a power management module, wherein the battery module is respectively connected with the TCD module and the processing module, and the battery module is used for supplying power to the TCD module and the processing module. 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 is used for supplying power to the cerebral blood flow automatic regulation monitoring device.
Further, the power module 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 (9)
1. An automatic cerebral blood flow regulation monitoring device, characterized in that it comprises: a processing module, a TCD module, and a continuous blood pressure module; the continuous blood pressure module and the TCD module are connected with the processing module, and the continuous blood pressure module collects continuous blood pressure data and sends the continuous blood pressure data to the processing module; the TCD module adopts cerebral blood flow data and transmits the cerebral blood flow data to the processing module; the processing module 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 module comprises a continuous blood pressure measuring unit, a fingerstall unit and a height correcting unit, wherein the fingerstall unit and the height correcting unit are connected with the continuous blood pressure measuring unit, and the fingerstall unit is used for collecting continuous blood pressure data; the height correction unit is used for obtaining the vertical distance between the finger and the heart and sending the vertical distance between the finger and the heart to the continuous blood pressure measurement unit, and the continuous blood pressure measurement unit corrects arm brachial artery blood pressure data obtained by continuous blood pressure conversion according to the distance;
the finger control fingerstall is inflated and deflated, and the artery of the finger fluctuation is clamped in an equal capacity state by a variable reverse pressure balancer to obtain a pressure waveform; the pressure of the external air bag is controlled by using an infrared blood volume probe on the finger stall; the fingerstall comprises an inflatable air bag, a balancer and an air path; the air channel is connected with the air bag and inflates the air bag; the air bag is a wrapped air bag and is used for being wound on the finger of a testee; the balancer is in contact with the air bag and is positioned outside the air bag, and the pressure change outside the air bag is controlled by the balancer so that the finger blood vessel is in a clamped equal-volume state; the finger stall adopts a hollow cylindrical inflatable ring sleeve, an inflatable air bag is arranged on the inner side of the finger stall, and infrared plethysmographs are arranged on two sides of the finger stall.
2. The cerebral blood flow automatic regulation monitoring device of claim 1, further comprising a cuff module connected with the continuous blood pressure module; the cuff module collects arm brachial artery blood pressure and transmits the arm brachial artery blood pressure to the continuous blood pressure module.
3. The apparatus of claim 2, wherein the processing module is further configured to receive the brachial artery blood pressure data and correct the continuous blood pressure data collected by the cuff module according to the brachial artery blood pressure data.
4. The automatic cerebral blood flow regulation monitoring device of claim 1, further comprising a display module connected to the processing module and receiving and displaying dynamic data of blood flow regulation sent by the processing module.
5. The automatic cerebral blood flow regulation monitoring device of claim 1, further comprising a memory module, wherein the memory module is connected to the processing module, and the memory module is configured to store continuous blood pressure data and cerebral blood flow data received by the processing module.
6. The cerebral blood flow automatic regulating and monitoring device according to claim 1, further comprising a power module, wherein the power module is connected with the TCD module and the processing module, respectively, and the power module supplies power to the TCD module and the processing module, and supplies power to the continuous blood pressure module through the processing module.
7. The cerebral blood flow automatic regulation monitoring device of claim 6, wherein the power supply module comprises a filtering unit, an AC-DC unit and a DC-DC unit which are connected in sequence; the filtering unit comprises a common-mode inductor and a Y capacitor, wherein the common-mode inductor is used for filtering input current, and the Y capacitor is used for filtering a common-mode signal output by the dynamic common-mode inductor.
8. The cerebral blood flow automatic regulating and monitoring device according to claim 1, wherein the processing module comprises a main control unit and a communication unit, and the main control unit is connected with the communication unit and is connected with an upper computer through the communication unit.
9. The automatic cerebral blood flow regulating monitoring device of claim 8, wherein the communication unit includes at least one or more of a wireless unit, a USB unit, and a wired network unit.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07255684A (en) * | 1994-03-25 | 1995-10-09 | Toto Ltd | Sphygmomanometer by photoelectric volume pulse wave |
| 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 |
| CN102647940A (en) * | 2009-10-29 | 2012-08-22 | Cn体系药物技术有限公司 | Digital control method for measuring blood 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 |
| CN103338695A (en) * | 2010-12-23 | 2013-10-02 | 德雷格医疗系统股份有限公司 | Device and method for combined continuous non-invasive measurement of blood pressure and pulse oximetry (SpO2) |
| 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 |
| CN106037696A (en) * | 2016-08-11 | 2016-10-26 | 深圳市埃微信息技术有限公司 | Continuous blood pressure measurement equipment based on photoplethysmographic sensors |
| 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 |
| CN106132309A (en) * | 2014-03-25 | 2016-11-16 | 恩多德里克斯有限公司 | For the method and apparatus assessing vascular health |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070225614A1 (en) * | 2004-05-26 | 2007-09-27 | Endothelix, Inc. | Method and apparatus for determining vascular health conditions |
| US20100081941A1 (en) * | 2006-03-22 | 2010-04-01 | Endothelix, Inc. | Cardiovascular health station methods and apparatus |
| US8821408B2 (en) * | 2006-04-05 | 2014-09-02 | The Regents Of The University Of California | Data mining system for noninvasive intracranial pressure assessment |
| US20110009754A1 (en) * | 2009-07-08 | 2011-01-13 | Brian Jeffrey Wenzel | Arterial blood pressure monitoring devices, systems and methods using cardiogenic impedance signal |
-
2018
- 2018-06-07 CN CN201810581710.6A patent/CN108784742B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07255684A (en) * | 1994-03-25 | 1995-10-09 | Toto Ltd | Sphygmomanometer by photoelectric volume pulse wave |
| 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 |
| CN102647940A (en) * | 2009-10-29 | 2012-08-22 | Cn体系药物技术有限公司 | Digital control method for measuring blood pressure |
| CN103338695A (en) * | 2010-12-23 | 2013-10-02 | 德雷格医疗系统股份有限公司 | Device and method for combined continuous non-invasive measurement of blood pressure and pulse oximetry (SpO2) |
| 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 |
| CN106132309A (en) * | 2014-03-25 | 2016-11-16 | 恩多德里克斯有限公司 | For the method and apparatus assessing vascular health |
| 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 |
| CN106037696A (en) * | 2016-08-11 | 2016-10-26 | 深圳市埃微信息技术有限公司 | Continuous blood pressure measurement equipment based on photoplethysmographic sensors |
| 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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|---|---|
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