CN212165772U - Blood pressure measuring device - Google Patents
Blood pressure measuring device Download PDFInfo
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- CN212165772U CN212165772U CN201922261754.3U CN201922261754U CN212165772U CN 212165772 U CN212165772 U CN 212165772U CN 201922261754 U CN201922261754 U CN 201922261754U CN 212165772 U CN212165772 U CN 212165772U
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Abstract
The embodiment of the utility model provides a blood pressure measuring device, this blood pressure measuring device includes: the device comprises a measuring host, an electrocardio sensor and at least two pulse wave sensors; the electrocardio sensor is connected with the measuring host and is used for acquiring electrocardiosignals in real time and transmitting the electrocardiosignals to the measuring host; the at least two pulse wave sensors are connected with the measuring host and used for acquiring pulse wave signals in real time and transmitting the pulse wave signals to the measuring host; the measuring host is used for receiving the electrocardiosignals and the pulse wave signals and outputting continuous blood pressure values. Through implementing the utility model discloses, under the relatively poor condition of pulse wave sensor signal all the way, can carry out the collection of pulse wave signal with other pulse wave sensors, strengthened blood pressure measuring device's robustness.
Description
Technical Field
The utility model relates to a medical science measures technical field, concretely relates to blood pressure measuring device.
Background
The traditional electronic sphygmomanometer measures the human blood pressure value by applying pressure to the arm, so that the user experience is poor, and with the rapid development of the health medical technology, a blood pressure measuring method for obtaining the real-time human blood pressure value by calculating the conduction time difference (PTT) of an Electrocardiosignal (ECG) and a pulse wave signal (PPG) appears. According to the method, the pulse wave transmission time PTT between two characteristic value points is obtained by acquiring the characteristic value points of ECG and PPG, and the blood pressure parameter BP is obtained by utilizing the correlation between the pulse wave transmission time and the blood pressure parameter.
The existing blood pressure measuring method for obtaining the real-time blood pressure value of a human body by calculating the conduction time difference (PTT) of an electrocardiosignal and a pulse wave signal adopts a 1-lead photoplethysmography pulse wave sensor to collect the pulse wave signal, when the path of signal is poor, the result of blood pressure measurement is influenced, and even the blood pressure value cannot be measured.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a blood pressure measuring device, which is used to solve the problem that the existing blood pressure measuring method for obtaining the real-time blood pressure value of the human body by calculating the conduction time difference (PTT) between the electrocardiosignal and the pulse wave signal adopts a 1-lead photoelectric volume pulse wave sensor to collect the pulse wave signal, and when the path of signal is poor, the result of the blood pressure measurement will be affected, and even the blood pressure value cannot be measured.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to a first aspect, an embodiment of the present invention provides a blood pressure measuring device, which includes: the device comprises a measuring host, an electrocardio sensor and at least two pulse wave sensors; the electrocardio sensor is connected with the measuring host and is used for acquiring electrocardiosignals in real time and transmitting the electrocardiosignals to the measuring host; the at least two pulse wave sensors are connected with the measurement host and used for acquiring pulse wave signals in real time and transmitting the pulse wave signals to the measurement host; the measuring host is used for receiving the electrocardiosignals and the pulse wave signals and outputting continuous blood pressure values.
With reference to the first aspect, in a first embodiment of the first aspect, the number of the pulse wave sensors is two, and the pulse wave sensors include: a first pulse wave sensor and a second pulse wave sensor; the first pulse wave sensor is connected to the measurement host through a first lead wire and is used for collecting a first pulse wave signal of a finger tip; the second pulse wave sensor is connected to the measurement host through a second lead wire and is used for collecting second pulse wave signals of the forehead, the earlobe, the wrist or the carotid artery.
With reference to the first embodiment of the first aspect, in a second embodiment of the first aspect, the first pulse wave sensor is a transmission-type photoplethysmography pulse wave sensor, the second pulse wave sensor is a reflection-type or projection-type pulse wave sensor, and the first pulse wave sensor and the second pulse wave sensor each include an infrared LED and a red LED.
With reference to the first embodiment or the second embodiment of the first aspect, in a third embodiment of the first aspect, the electrocardiograph sensor is a patch electrocardiograph electrode, and is connected to the measurement host through a third lead wire; the third lead wire is detachably connected with the electrocardio sensor through a metal snap fastener and detachably connected with the measurement host through a USB interface.
With reference to the third implementation manner of the first aspect, in a fourth implementation manner of the first aspect, the measurement host includes: the device comprises a signal conditioning chip, a sampling chip and a processor; the signal conditioning chip filters and amplifies the electrocardiosignals, the first pulse wave signals and the second pulse wave signals, and transmits the filtered and amplified electrocardiosignals, the first pulse wave signals and the second pulse wave signals to the sampling chip; the sampling chip converts the filtered and amplified electrocardiosignals, the first pulse wave signals and the second pulse wave signals into digital signals and transmits the digital signals to the processor; the processor receives the digital signal and outputs an electrocardiographic waveform map, a paced blood oxygen saturation, and a paced blood pressure value, the paced blood pressure value comprising: diastolic, systolic and average pressures.
With reference to the fourth embodiment of the first aspect, in the fifth embodiment of the first aspect, the signal conditioning chip includes: the electrocardiosignal conditioning chip, the first pulse wave signal conditioning chip and the second pulse wave signal conditioning chip are connected in series; the electrocardiosignal conditioning chip filters and amplifies the electrocardiosignals and sends the filtered and amplified electrocardiosignals to the sampling chip; the first pulse wave signal conditioning chip filters and amplifies the first pulse wave signal and sends the filtered and amplified first pulse wave signal to the sampling chip; the second pulse wave signal conditioning chip filters and amplifies the second pulse wave signal and sends the filtered and amplified second pulse wave signal to the sampling chip.
With reference to the third implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the sampling chip collects state parameters of the electrocardiograph electrode, the first lead wire, the second lead wire and the third lead wire, and transmits the state parameters to the processor; and the processor receives the state parameters and outputs information representing whether the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire fall off or not.
With reference to the sixth implementation manner of the first aspect, in the seventh implementation manner of the first aspect, the measurement host further includes: the first indicator light to the fourth indicator light are respectively used for indicating the states of the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire; when the electrocardio-electrode, the first lead wire, the second lead wire or the third lead wire are not fallen off, the processor controls the indicator lights corresponding to the electrocardio-electrode, the first lead wire, the second lead wire or the third lead wire to be on; when the electrocardio electrode, the first lead wire, the second lead wire or the third lead wire fall off, the processor generates an alarm signal, and the indicator lamp corresponding to the electrocardio electrode, the first lead wire, the second lead wire or the third lead wire which fall off is controlled to be turned off by the alarm signal.
With reference to any one of the fourth to seventh implementation manners of the first aspect, in an eighth implementation manner of the first aspect, the measurement host further includes: the liquid crystal display screen is connected with the processor and is used for displaying the electrocardiogram, the oxygen saturation of the blood per beat and the blood pressure value per beat, and the blood pressure value per beat comprises: diastolic, systolic and average pressures.
The utility model discloses technical scheme compares with prior art, has following advantage at least:
the embodiment of the utility model provides a blood pressure measuring device, this blood pressure measuring device includes: the blood pressure measuring device comprises a measuring host, an electrocardio sensor and at least two pulse wave sensors, wherein the measuring host receives electrocardiosignals obtained by the electrocardio sensor in real time and pulse wave signals obtained by the at least two pulse wave sensors in real time, and outputs continuous blood pressure values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a specific example of a blood pressure measuring device according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of another specific example of the blood pressure measuring device in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment of the utility model provides a blood pressure measuring device, as shown in figure 1, this blood pressure measuring device includes: the device comprises a measuring host 3, an electrocardio sensor 1 and at least two pulse wave sensors 2; the electrocardio sensor 1 is connected with the measuring host 3 and is used for acquiring electrocardiosignals in real time and transmitting the electrocardiosignals to the measuring host 3; the at least two pulse wave sensors 2 are connected with the measurement host 3 and are used for acquiring pulse wave signals in real time and transmitting the pulse wave signals to the measurement host 3; the measuring host 3 is used for receiving the electrocardiosignals and the pulse wave signals and outputting continuous blood pressure values.
The embodiment of the utility model provides a receive electrocardiosignal that electrocardio sensor 1 acquireed in real time and the pulse wave signal that two at least pulse wave sensor 2 acquireed in real time through measuring host computer 3 to output continuous blood pressure value, under the relatively poor condition of pulse wave sensor 2 signal all the way, other pulse wave sensor 2 of available carry out the collection of pulse wave signal, have strengthened blood pressure measuring device's robustness, compare in prior art only survey blood pressure, the utility model provides a blood pressure measuring device can real-time detection electrocardiosignal and pulse wave signal, can obtain continuous blood pressure value, and blood pressure's change and law can not only be reflected to continuous blood pressure value, can also provide a large amount of cardiovascular function information.
It should be noted that, the measurement host 3 receives electrocardio signals and pulse wave signals and outputs continuous blood pressure values, and specifically can obtain continuous blood pressure values through the fitting method, and the technology belongs to the prior art, and the utility model discloses do not improve to this.
In a preferred embodiment, the blood pressure measuring device provided in the embodiment of the present invention may further include: and a cuff-type sphygmomanometer for correcting the continuous blood pressure value to improve the accuracy of blood pressure measurement.
As shown in fig. 2, in a preferred embodiment, the number of pulse wave sensors is two, including: a first pulse wave sensor 21 and a second pulse wave sensor 22; first pulse wave sensor 21 tongThe first lead wire is connected to the measurement host 3 and used for collecting a first pulse wave signal of the finger tip; the second pulse wave sensor 22 is connected to the measurement host 3 through a second lead wire, and is used for acquiring a second pulse wave signal of the forehead or the earlobe. Two pulse wave sensors are adopted to simultaneously acquire pulse wave signals, and the pulse wave conduction velocity PWV can be obtained specifically through
Calculated, where L represents the length of the blood vessel between two points of pulse, TpThe time difference of two way pulse wave crest is shown, and pulse wave conduction velocity is the important index of sign artery compliance, and its computational process belongs to the conventional technology in this field, the utility model discloses a pulse wave signal of gathering two way pulse wave sensors obtains pulse wave conduction velocity PWV, has important reference value to the hemodynamics research.
Optionally, in the utility model discloses an in other embodiments, this blood pressure measuring device can also include more than three pulse wave sensor 2, when there is the relatively poor pulse wave sensor 2 of signal, can adopt the better pulse wave sensor 2 of other signals to acquire the pulse wave signal, has strengthened blood pressure measuring device's robustness.
The utility model discloses in the optional embodiment, above-mentioned first pulse wave sensor 21 is transmission-type photoelectricity volume pulse wave sensor, and above-mentioned second pulse wave sensor 22 is reflection-type pulse wave sensor, and first pulse wave sensor 21 and second pulse wave sensor 22 all include infrared LED and ruddiness LED, and infrared LED can send 940 nm's infrared light, and ruddiness LED can send 660 nm's ruddiness, in addition, can also be including the LED that can send other wavelengths. In the specific implementation, the first pulse wave sensor 21 is clipped at the front end of the finger, the second pulse wave sensor 22 is stuck on the forehead of the testee, and is adhered firmly by the adhesive tape and further fixed by the bandage to prevent the dropping off.
In an optional embodiment of the present invention, the electrocardiograph sensor 1 is a patch electrocardiograph electrode, and is connected to the measurement host 3 through a third lead wire; the third lead wire is detachably connected with the electrocardio sensor 1 through a metal snap fastener and detachably connected with the measuring host 3 through a USB interface. The electrocardio sensor 1 can be an electrocardio electrode with the model number Reddot-2223, is a silver electrode, has good conductivity, is connected with an electrocardio vest and is attached to the chest of a tester during specific implementation.
As shown in fig. 2, in a preferred embodiment, the measurement host 3 includes: signal conditioning chip, sampling chip 34 and processor 35, and processor 35 may be a low power consumption chip of STM32 series; the signal conditioning chip filters and amplifies the electrocardiosignal, the first pulse wave signal and the second pulse wave signal, and transmits the filtered and amplified electrocardiosignal, the first pulse wave signal and the second pulse wave signal to the sampling chip 34; the sampling chip 34 may adopt ADS1298 or ADS8344 to convert the filtered and amplified electrocardiographic signal, the first pulse wave signal and the second pulse wave signal into digital signals, and transmit the digital signals to the processor 35; processor 35 receives the digital signals and outputs an electrocardiographic waveform, a per-beat blood oxygen saturation, and a per-beat blood pressure value, the per-beat blood pressure value comprising: diastolic, systolic and average pressures.
As shown in fig. 2, in a preferred embodiment, the signal conditioning chip includes: an electrocardiosignal conditioning chip 31, a first pulse wave signal conditioning chip 32 and a second pulse wave signal conditioning chip 33; the electrocardiosignal conditioning chip 31 filters and amplifies the electrocardiosignals and sends the filtered and amplified electrocardiosignals to the sampling chip 34; the first pulse wave signal conditioning chip 32 filters and amplifies the first pulse wave signal, and sends the filtered and amplified first pulse wave signal to the sampling chip 34; the second pulse wave signal conditioning chip 33 filters and amplifies the second pulse wave signal, and sends the filtered and amplified second pulse wave signal to the sampling chip 34.
It should be noted that, the processor 35 receives the digital signal and outputs the electrocardiographic waveform, the oxyhemoglobin saturation of each pulse and the blood pressure value (diastolic pressure, systolic pressure and average pressure), and the generation process of the electrocardiographic waveform, the oxyhemoglobin saturation and the blood pressure value belongs to the prior art, and the utility model discloses do not improve this.
In a preferred embodiment, the sampling chip 34 can further collect the state parameters of the electrocardiograph electrode, the first lead wire, the second lead wire and the third lead wire, and transmit the state parameters to the processor 35; the processor receives the state parameters and outputs information representing whether the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire fall off or not. It should be noted that, sampling chip 34 receives the state parameter to whether the information that whether takes place to drop of representation electrocardioelectrode, first lead wire, second lead wire and third lead wire belongs to prior art, the utility model discloses do not improve to this.
As shown in fig. 2, in a preferred embodiment, the measurement host further includes: the first indicator light 36, the second indicator light 37, the third indicator light 38 and the fourth indicator light 39, the indicator lights may be LED indicator lights, and the four indicator lights are respectively used for indicating states of the electrocardioelectrode, the first lead wire, the second lead wire and the third lead wire; when the electrocardiograph electrode, the first lead wire, the second lead wire or the third lead wire is not detached, the processor 35 controls the indicator light corresponding to the electrocardiograph electrode, the first lead wire, the second lead wire or the third lead wire to be on; when the electrocardiograph electrode, the first lead wire, the second lead wire or the third lead wire falls off, the processor 35 generates an alarm signal, and the indicator light corresponding to the fallen electrocardiograph electrode, the first lead wire, the second lead wire or the third lead wire is controlled to be turned off by the alarm signal. Through the arrangement of the indicator lamp, whether the electrocardio-electrode and the lead wire are abnormal or not, namely whether the electrocardio-electrode and the lead wire fall off or not and the falling position can be displayed, a foundation is laid for eliminating the abnormality, a basis is provided, and the efficiency of abnormality treatment is improved.
As shown in fig. 2, in a preferred embodiment, the measurement host further includes: and a liquid crystal display 310 connected to the processor 35 for displaying the electrocardiographic waveform of the processor 35, the oxygen saturation of the blood per beat, and the blood pressure value (diastolic pressure, systolic pressure, and average pressure). By providing the liquid crystal display 310, the electrocardiographic waveform chart, the blood oxygen saturation level, and the blood pressure value generated by the blood pressure measuring device can be displayed in real time, and the measurement result can be presented to the user.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A blood pressure measuring device, comprising: the device comprises a measuring host, an electrocardio sensor and at least two pulse wave sensors;
the electrocardio sensor is connected with the measuring host and is used for acquiring electrocardiosignals in real time and transmitting the electrocardiosignals to the measuring host;
the at least two pulse wave sensors are connected with the measurement host and used for acquiring pulse wave signals in real time and transmitting the pulse wave signals to the measurement host;
the measuring host is used for receiving the electrocardiosignals and the pulse wave signals and outputting continuous blood pressure values.
2. A blood pressure measuring device according to claim 1, wherein the number of the pulse wave sensors is two, including: a first pulse wave sensor and a second pulse wave sensor;
the first pulse wave sensor is connected to the measurement host through a first lead wire and is used for collecting a first pulse wave signal of a finger tip;
the second pulse wave sensor is connected to the measurement host through a second lead wire and is used for collecting second pulse wave signals of the forehead, the earlobe, the wrist or the carotid artery.
3. A blood pressure measuring device according to claim 2, wherein the first pulse wave sensor is a transmission type photoplethysmography pulse wave sensor, the second pulse wave sensor is a reflection type or transmission type pulse wave sensor, and the first pulse wave sensor and the second pulse wave sensor each include an infrared LED and a red LED.
4. The blood pressure measuring device according to claim 2 or 3, wherein the electrocardio sensor is a patch electrocardio electrode and is connected to the measuring host through a third lead wire;
the third lead wire is detachably connected with the electrocardio sensor through a metal snap fastener and detachably connected with the measurement host through a USB interface.
5. The blood pressure measuring device according to claim 4, wherein the measurement host includes: the device comprises a signal conditioning chip, a sampling chip and a processor;
the signal conditioning chip filters and amplifies the electrocardiosignals, the first pulse wave signals and the second pulse wave signals, and transmits the filtered and amplified electrocardiosignals, the first pulse wave signals and the second pulse wave signals to the sampling chip;
the sampling chip converts the filtered and amplified electrocardiosignals, the first pulse wave signals and the second pulse wave signals into digital signals and transmits the digital signals to the processor;
the processor receives the digital signal and outputs an electrocardiographic waveform map, a paced blood oxygen saturation, and a paced blood pressure value, the paced blood pressure value comprising: diastolic, systolic and average pressures.
6. A blood pressure measuring device according to claim 5, wherein the signal conditioning chip comprises: the electrocardiosignal conditioning chip, the first pulse wave signal conditioning chip and the second pulse wave signal conditioning chip are connected in series;
the electrocardiosignal conditioning chip filters and amplifies the electrocardiosignals and sends the filtered and amplified electrocardiosignals to the sampling chip;
the first pulse wave signal conditioning chip filters and amplifies the first pulse wave signal and sends the filtered and amplified first pulse wave signal to the sampling chip;
the second pulse wave signal conditioning chip filters and amplifies the second pulse wave signal and sends the filtered and amplified second pulse wave signal to the sampling chip.
7. The blood pressure measuring device according to claim 5, wherein the sampling chip collects the state parameters of the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire and transmits the state parameters to the processor;
and the processor receives the state parameters and outputs information representing whether the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire fall off or not.
8. The blood pressure measuring device according to claim 7, wherein the measurement host further comprises: the first indicator light to the fourth indicator light are respectively used for indicating the states of the electrocardio-electrode, the first lead wire, the second lead wire and the third lead wire;
when the electrocardio-electrode, the first lead wire, the second lead wire or the third lead wire are not fallen off, the processor controls the indicator lights corresponding to the electrocardio-electrode, the first lead wire, the second lead wire or the third lead wire to be on;
when the electrocardio electrode, the first lead wire, the second lead wire or the third lead wire fall off, the processor generates an alarm signal, and the indicator lamp corresponding to the electrocardio electrode, the first lead wire, the second lead wire or the third lead wire which fall off is controlled to be turned off by the alarm signal.
9. A blood pressure measuring device according to any one of claims 5 to 8, wherein the measurement host further comprises: the liquid crystal display screen is connected with the processor and is used for displaying the electrocardiogram, the oxygen saturation of the blood per beat and the blood pressure value per beat, and the blood pressure value per beat comprises: diastolic, systolic and average pressures.
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| CN201922261754.3U CN212165772U (en) | 2019-12-13 | 2019-12-13 | Blood pressure measuring device |
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| CN201922261754.3U CN212165772U (en) | 2019-12-13 | 2019-12-13 | Blood pressure measuring device |
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| CN212165772U true CN212165772U (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115047744A (en) * | 2022-06-30 | 2022-09-13 | 深圳金亿帝医疗设备股份有限公司 | Multifunctional smart watch, function implementation method and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115047744A (en) * | 2022-06-30 | 2022-09-13 | 深圳金亿帝医疗设备股份有限公司 | Multifunctional smart watch, function implementation method and storage medium |
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