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CN211270704U - Portable developments electrocardio blood pressure respiratory wave record appearance - Google Patents

Portable developments electrocardio blood pressure respiratory wave record appearance Download PDF

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Publication number
CN211270704U
CN211270704U CN201922088800.4U CN201922088800U CN211270704U CN 211270704 U CN211270704 U CN 211270704U CN 201922088800 U CN201922088800 U CN 201922088800U CN 211270704 U CN211270704 U CN 211270704U
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circuit
blood pressure
respiratory wave
electrically connected
output end
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周乐川
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Suzhou Baihui Huaye Precision Apparatus Co ltd
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Suzhou Baihui Huaye Precision Apparatus Co ltd
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Abstract

The utility model discloses a portable dynamic electrocardio-blood pressure respiratory wave recorder, which comprises a box body, wherein a lead electrode, an electrocardiosignal conditioning circuit, a cuff, a blood pressure measuring module, a singlechip, an acceleration sensor, a liquid crystal display screen, a button, a storage card, a communication interface, a power module and a respiratory wave acquisition circuit are arranged on the box body; the utility model discloses, overall structure is digital, the degree of integrating is high, compact structure, adopt the dry battery power supply, realize multichannel electrocardiosignal collection, there is not blood pressure measurement of wound, respiratory wave collection, acceleration information gathers, LCD shows, in the multiple functions such as button interaction, realize the miniaturization of instrument, realize the low-power consumption, sustainable record complete information electrocardio, complete information respiratory wave and complete information blood pressure more than 3 days, can also record acceleration information, get rid of electrocardiosignal and respiratory wave pseudo-error that arouses because patient's motion when being favorable to the computer analysis, the blood pressure measurement mistake, improve the efficiency of doctor's later stage playback analysis data.

Description

Portable developments electrocardio blood pressure respiratory wave record appearance
Technical Field
The utility model relates to the field of medical equipment, specifically a portable developments electrocardio blood pressure respiratory wave record appearance.
Background
Cardiovascular diseases are one of the main diseases threatening human life, especially for early diagnosis of sudden heart disease, chronic hypertension and other diseases, and dynamic electrocardiosignal detection and dynamic blood pressure measurement are the most direct, effective and low-cost means. Because high blood pressure and heart disease have high correlation, many patients must carry a dynamic electrocardiogram recorder and a dynamic blood pressure recorder at the same time to carry out 24-hour synchronous monitoring, which not only increases the cost of hospitals and patients, but also brings inconvenience to medical care personnel and patients, and the portability in the true sense cannot be realized.
In order to solve the problem, a dynamic electrocardio-blood pressure two-in-one multi-parameter recorder (Holter) is frequently used in the existing medical science, the multi-parameter Holter can synchronously record electrocardiosignals and blood pressure measurement values for a long time and store the electrocardiosignals and the blood pressure measurement values on the recorder, the signals can be played back and analyzed by using matched computer (PC) software, the multi-parameter Holter can be carried about, the electrocardiosignals and the blood pressure information of a patient in daily life are recorded, and the multifunctional Holter has an important medical application value. The portable dynamic electrocardio-blood pressure recorder on the market is developing forward for a long time, miniaturization and digitization, but the requirements of low power consumption, small volume and high performance are difficult to meet at the same time; aiming at the defects, a portable dynamic electrocardio-blood pressure respiratory wave recorder is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable developments electrocardio blood pressure respiratory wave record appearance, overall structure is digital, the degree of integrating is high, compact structure, adopt dry battery power supply, realize multichannel electrocardiosignal collection, there is not blood pressure measurement of wound, respiratory wave collection, acceleration information acquisition, LCD shows, in the time of multiple functions such as button interaction, realize the miniaturization of instrument, realize the low-power consumption, sustainable record complete information electrocardio, complete information respiratory wave and complete information blood pressure more than 3 days, can also record acceleration information, get rid of electrocardiosignal and respiratory wave pseudo-error because patient's motion arouses when being favorable to the computer analysis, blood pressure measurement error, improve the efficiency of doctor's later stage playback analysis data.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a portable developments electrocardio blood pressure respiratory wave record appearance, includes the box body, install lead electrode, electrocardiosignal conditioning circuit, sleeve area, blood pressure measurement module, singlechip, acceleration sensor, liquid crystal display, button, storage card, communication interface, power module and respiratory wave acquisition circuit on the box body, lead electrode and electrocardiosignal conditioning circuit and respiratory wave acquisition circuit's input electric connection, sleeve area and blood pressure measurement module's input electric connection, electrocardiosignal conditioning circuit, acceleration sensor and button all with singlechip input electric connection, just singlechip output electric connection liquid crystal display and storage card, blood pressure measurement module, communication interface and respiratory wave acquisition circuit and singlechip are feedback connected each other, electrocardiosignal conditioning circuit, blood pressure measurement module, singlechip, The acceleration sensor, the liquid crystal display screen, the keys, the storage card, the communication interface and the respiratory wave acquisition circuit are electrically connected with the power module.
As a further aspect of the present invention: the electrocardiosignal conditioning circuit comprises a first-stage preamplifier circuit, a right leg driving circuit, a filter circuit and a second-stage amplifier circuit, wherein the differential signal output end of the first-stage preamplifier circuit is electrically connected with the input end of the filter circuit, the output end of the filter circuit is electrically connected with the input end of the second-stage amplifier circuit, and the common-mode signal output end of the first-stage preamplifier circuit is electrically connected with the input end of the right leg driving circuit.
As a further aspect of the present invention: the blood pressure measuring module comprises a pressure sensor, a pressure signal conditioning circuit, an air passage, an air pump, an air valve and a pump valve driving circuit, wherein the output end of the pressure sensor is electrically connected with the input end of the pressure signal conditioning circuit, the input end of the pressure sensor, the air outlet end of the air pump and the air inlet end of the air valve are respectively communicated with the air passage, and the output end of the pump valve driving circuit is respectively connected with the power supply ends of the air pump and the air valve.
As a further aspect of the present invention: the single chip microcomputer is a low-power consumption analog-digital mixed type microprocessor.
As a further aspect of the present invention: the acceleration sensor includes a digital accelerometer chip.
As a further aspect of the present invention: the power module comprises a boost conversion circuit, a first voltage reduction circuit and a second voltage reduction circuit, wherein the output end of the boost conversion circuit is connected with the power supply ends of the first voltage reduction circuit and the second voltage reduction circuit.
The utility model has the advantages that: a doctor or a patient can utilize a key to start, set and stop the recorder and the like, and can observe corresponding parameter values and current blood pressure measurement results through a liquid crystal display screen, an acceleration sensor can sense the motion information of a measured person and input the motion information into a single chip microcomputer, so that the single chip microcomputer can identify and carry out error processing on signal artifacts according to actual motion conditions, the single chip microcomputer records multi-lead electrocardiosignals, respiratory wave signals and blood pressure measurement results at fixed intervals in a large-capacity memory card, the doctor can read the information in the memory card through a standard Micro-USB interface, and finally, the whole recorded information is processed and analyzed through upper computer software to assist clinical comprehensive diagnosis; the lead electrodes are divided into lead wires and disposable electrode plates with corresponding quantity, the lead wires are connected with the disposable electrodes pasted on the skin of a human body in a customized 7-wire or 10-wire standard snap-on connection mode, after electrocardiosignals on the body surface are sensed, the signals are input into a first-stage preamplification circuit of an electrocardiosignal conditioning circuit, then the amplified signals are conditioned by a filter circuit and a second-stage amplification circuit and input into a single chip microcomputer; the standard cuff with a standard air bag type arm structure is connected with the upper arm of a human body, the cuff is connected with a blood pressure measuring module through a customized external air passage catheter, a singlechip controls an air pump in the blood pressure measuring module to inflate the cuff to a proper pressure value through a pump valve driving circuit, then controls an air valve in the blood pressure measuring module to deflate the cuff, the input end of a pressure sensor in the blood pressure measuring module is communicated with an air passage, the pressure value in the whole air passage is sensed in the inflation and deflation process, the pressure value is converted into an electric signal, the electric signal is filtered and amplified through a pressure signal conditioning and amplifying circuit in the blood pressure measuring module, and finally the electric signal is input to the singlechip for analog-to-digital conversion, processing and calculation; 2 alkaline No. 5 batteries sold in the market with 1.5V are adopted to supply power for a recorder, the batteries are subjected to voltage conversion and current stabilization through a power module in the recorder, a circuit of the power module comprises a voltage boosting conversion circuit, a first voltage reduction circuit and a second voltage reduction circuit, the voltage boosting conversion circuit adopts a high-efficiency voltage boosting chip, such as a TPS61032 voltage boosting chip of Ti company, the chip has the characteristics of small packaging volume, high conversion efficiency and less peripheral elements, the voltage boosting circuit converts the voltage of a 3V battery into a 5V power supply, the 5V power supply is stabilized to be a 3.3V power supply through the first voltage reduction circuit and supplies power for a singlechip, an acceleration sensor, a memory card, a key, a liquid crystal display screen and other digital circuit parts, the 5V power supply is stabilized to be a 3V power supply through the second voltage reduction circuit and supplies power for an electrocardio signal conditioning circuit, a respiratory wave acquisition circuit, a pressure sensor and a pressure signal conditioning circuit in, the output of the battery directly supplies power to the pump valve driving circuit, the whole structure is digital, the integration degree is high, the structure is compact, the dry battery is adopted for supplying power, multiple functions of multi-channel electrocardio signal acquisition, noninvasive blood pressure measurement, respiratory wave acquisition, acceleration information acquisition, LCD display, key interaction and the like are realized, the instrument is miniaturized, the low power consumption is realized, the full information electrocardio, the full information respiratory wave and the full information blood pressure can be continuously recorded for more than 3 days, the acceleration information can also be recorded, the elimination of electrocardio signals, respiratory wave pseudo-error and blood pressure measurement errors caused by the movement of a patient during computer analysis is facilitated, and the efficiency of later-period playback analysis data of a doctor is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a block diagram of the overall structure of the present invention;
FIG. 2 is a schematic block diagram of an electrocardiosignal conditioning circuit according to the present invention;
FIG. 3 is a schematic block diagram of the blood pressure measurement module of the present invention;
fig. 4 is a schematic block circuit diagram of the power management module of the present invention;
in the figure: 1. a lead electrode; 2. an electrocardiosignal conditioning circuit; 21. a first stage pre-amplifier circuit; 22. a right leg drive circuit; 23. a filter circuit; 24. a second stage amplification circuit; 3. a cuff; 4. a blood pressure measuring module; 41. a pressure sensor; 42. a pressure signal conditioning circuit; 43. an airway; 44. an air pump; 45. an air valve; 46. a pump valve drive circuit; 5. a single chip microcomputer; 6. an acceleration sensor; 7. a liquid crystal display screen; 8. pressing a key; 9. a memory card; 10. a communication interface; 11. a power supply module; 111. a boost converter circuit; 112. a first voltage-reducing circuit; 113. a second voltage-reducing circuit; 12. respiratory wave acquisition circuit.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, a portable dynamic electrocardiographic, blood pressure and respiratory wave recorder comprises a box body, on which a lead electrode 1, an electrocardiographic signal conditioning circuit 2, a cuff 3, a blood pressure measuring module 4, a single chip microcomputer 5, an acceleration sensor 6, a liquid crystal display 7, a key 8, a memory card 9, a communication interface 10, a power module 11 and a respiratory wave collecting circuit 12 are installed, the lead electrode 1 is electrically connected with the input ends of the electrocardiographic signal conditioning circuit 2 and the respiratory wave collecting circuit 12, the cuff 3 is electrically connected with the input end of the blood pressure measuring module 4, the electrocardiographic signal conditioning circuit 2, the acceleration sensor 6 and the key 8 are electrically connected with the input end of the single chip microcomputer 5, the output end of the single chip microcomputer 5 is electrically connected with the liquid crystal display 7 and the memory card 9, the blood pressure measuring module 4, the communication interface 10 and the respiratory, the electrocardiosignal conditioning circuit 2, the blood pressure measuring module 4, the singlechip 5, the acceleration sensor 6, the liquid crystal display 7, the key 8, the memory card 9, the communication interface 10 and the respiratory wave acquisition circuit 12 are electrically connected with the power module 11;
the electrocardiosignal conditioning circuit 2 comprises a first-stage preamplifier circuit 21, a right leg driving circuit 22, a filter circuit 23 and a second-stage amplifier circuit 24, wherein the differential signal output end of the first-stage preamplifier circuit 21 is electrically connected with the input end of the filter circuit 23, the output end of the filter circuit 23 is electrically connected with the input end of the second-stage amplifier circuit 24, and the common-mode signal output end of the first-stage preamplifier circuit 21 is electrically connected with the input end of the right leg driving circuit 22;
the blood pressure measuring module 4 comprises a pressure sensor 41, a pressure signal conditioning circuit 42, an air passage 43, an air pump 44, an air valve 45 and a pump valve driving circuit 46, wherein the output end of the pressure sensor 41 is electrically connected with the input end of the pressure signal conditioning circuit 42, the input end of the pressure sensor 41, the air outlet end of the air pump 44 and the air inlet end of the air valve 45 are respectively communicated with the air passage 43, and the output end of the pump valve driving circuit 46 is respectively connected with the power supply ends of the air pump 44 and the air valve 45;
wherein, the singlechip 5 is a low-power consumption analog-digital mixed type microprocessor;
wherein the acceleration sensor 6 comprises a digital accelerometer chip;
the power module 11 includes a boost converter circuit 111, a first buck circuit 112, and a second buck circuit 113, where an output end of the boost converter circuit 111 is connected to power supply ends of the first buck circuit 112 and the second buck circuit 113;
the respiratory wave acquisition circuit 12 adopts an impedance measurement method, and converts the respiratory wave signals into respiratory wave signals by acquiring impedance changes between the lead electrodes 1.
The utility model discloses a theory of operation: a doctor or a patient can use the key 8 to start, set and stop the recorder, and can observe corresponding parameter values and current blood pressure measurement results through the liquid crystal display 7, the acceleration sensor 6 can sense the motion information of the measured person and input the motion information into the single chip 5, so that the single chip 5 can identify and carry out error processing on signal artifacts according to actual motion conditions, the single chip 5 records multi-lead electrocardiosignals, respiratory wave signals and blood pressure measurement results at fixed intervals in the large-capacity memory card 9, the doctor can read the information in the memory card 9 through the standard Micro-USB interface, and finally, the whole recorded information is processed and analyzed through upper computer software to assist clinical comprehensive diagnosis; the lead electrode 1 is divided into lead wires and disposable electrode plates with corresponding quantity, the lead wires adopt a customized 7-wire or 10-wire standard snap-button connection mode and are connected with the disposable electrodes stuck on the skin of a human body, after an electrocardiosignal on the body surface is sensed, the signal is input into a first-stage preamplification circuit 21 of an electrocardiosignal conditioning circuit 2, and then the amplified signal is conditioned by a filter circuit 23 and a second-stage amplification circuit 24 and is input into a singlechip 5; the standard cuff 3 with a standard air bag type arm structure is connected with the upper arm of a human body, the cuff 3 is connected with the blood pressure measuring module 4 through a customized external airway catheter, the single chip microcomputer 5 controls an air pump 44 in the blood pressure measuring module 4 to inflate the cuff 3 to a proper pressure value through a pump valve driving circuit 46, then controls an air valve 45 in the blood pressure measuring module 4 to deflate the cuff 3, the input end of a pressure sensor 41 in the blood pressure measuring module 4 is communicated with an airway 43, senses the pressure value in the whole airway 43 in the inflation and deflation process, converts the pressure value into an electric signal, filters and amplifies the electric signal through a pressure signal conditioning circuit 42 in the blood pressure measuring module 4, and finally inputs the electric signal into the single chip microcomputer 5 to perform analog-to-digital conversion, processing and calculation; 2 alkaline 5 batteries of 1.5V sold on the market are adopted to supply power for a recorder, the batteries are subjected to voltage conversion and current stabilization through a power module 11 in the recorder, a circuit of the power module 11 comprises a voltage boosting conversion circuit 111, a first voltage reduction circuit 112 and a second voltage reduction circuit 113, the voltage boosting conversion circuit 111 adopts a high-efficiency voltage boosting chip, such as a TPS61032 voltage boosting chip of Ti company, the chip has the characteristics of small packaging volume, high conversion efficiency and less peripheral elements, the voltage boosting circuit converts the voltage of a 3V battery into a 5V power supply, the 5V power supply is stabilized to be a 3.3V power supply through the first voltage reduction circuit 112, the singlechip 5, an acceleration sensor 6, a memory card 9, a key 8, a liquid crystal display 7 and other digital circuit parts are supplied with power, the 5V power supply is stabilized to be a 3V power supply through the second voltage reduction circuit 113, and the electrocardio signal conditioning circuit 41 and the pressure signal conditioning circuit 42 in the electrocardio signal conditioning circuit 2, the respiratory wave acquisition circuit 12 and the The output of the battery directly supplies power to the pump valve driving circuit 46, the whole structure is digital, the integration degree is high, the structure is compact, a dry battery is adopted for supplying power, multiple functions of multi-channel electrocardio signal acquisition, noninvasive blood pressure measurement, respiratory wave acquisition, acceleration information acquisition, LCD display, key interaction and the like are realized, the instrument is miniaturized, low power consumption is realized, full information electrocardio, full information respiratory wave and full information blood pressure can be continuously recorded for more than 3 days, acceleration information can also be recorded, the electrocardio signal, respiratory wave pseudo-difference and blood pressure measurement errors caused by the movement of a patient can be eliminated in computer analysis, and the efficiency of later-period playback analysis data of a doctor is improved.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A portable dynamic electrocardio-blood pressure respiratory wave recorder is characterized by comprising a box body, wherein a lead electrode (1), an electrocardiosignal conditioning circuit (2), a cuff (3), a blood pressure measuring module (4), a single chip microcomputer (5), an acceleration sensor (6), a liquid crystal display screen (7), keys (8), a storage card (9), a communication interface (10), a power module (11) and a respiratory wave acquisition circuit (12) are arranged on the box body, the lead electrode (1) is electrically connected with the input ends of the electrocardiosignal conditioning circuit (2) and the respiratory wave acquisition circuit (12), the cuff (3) is electrically connected with the input end of the blood pressure measuring module (4), the electrocardiosignal conditioning circuit (2), the acceleration sensor (6) and the keys (8) are electrically connected with the input end of the single chip microcomputer (5), and the output end of the single chip microcomputer (5) is electrically connected with the liquid crystal display screen (7) and the storage card (9), blood pressure measurement module (4), communication interface (10) and respiratory wave acquisition circuit (12) and singlechip (5) are feedback connection each other, electrocardiosignal conditioning circuit (2), blood pressure measurement module (4), singlechip (5), acceleration sensor (6), liquid crystal display (7), button (8), storage card (9), communication interface (10) and respiratory wave acquisition circuit (12) all with power module (11) electric connection.
2. The portable dynamic electrocardiograph, blood pressure and respiratory wave recorder according to claim 1, wherein the electrocardiograph signal conditioning circuit (2) comprises a first stage preamplifier circuit (21), a right leg driver circuit (22), a filter circuit (23) and a second stage amplifier circuit (24), the differential signal output end of the first stage preamplifier circuit (21) is electrically connected to the input end of the filter circuit (23), the output end of the filter circuit (23) is electrically connected to the input end of the second stage amplifier circuit (24), and the common mode signal output end of the first stage preamplifier circuit (21) is electrically connected to the input end of the right leg driver circuit (22).
3. The portable dynamic electrocardiographic, blood pressure and respiratory wave recorder according to claim 1, wherein the blood pressure measuring module (4) comprises a pressure sensor (41), a pressure signal conditioning circuit (42), an air passage (43), an air pump (44), an air valve (45) and a pump valve driving circuit (46), an output end of the pressure sensor (41) is electrically connected with an input end of the pressure signal conditioning circuit (42), an input end of the pressure sensor (41), an air outlet end of the air pump (44) and an air inlet end of the air valve (45) are respectively communicated with the air passage (43), and an output end of the pump valve driving circuit (46) is respectively connected with a power supply end of the air pump (44) and the air valve (45).
4. The portable dynamic electrocardiographic, blood pressure and respiratory wave recorder according to claim 1, wherein the single chip microcomputer (5) is a low power consumption analog-digital hybrid microprocessor.
5. The portable ambulatory electrocardiographic, blood pressure and respiratory wave recorder according to claim 1, characterized in that said acceleration sensor (6) comprises a digital accelerometer chip.
6. The portable dynamic electrocardiograph, blood pressure and respiratory wave recorder according to claim 1, wherein the power module (11) comprises a voltage-boosting switching circuit (111), a first voltage-reducing circuit (112) and a second voltage-reducing circuit (113), and an output end of the voltage-boosting switching circuit (111) is connected with power supply ends of the first voltage-reducing circuit (112) and the second voltage-reducing circuit (113).
CN201922088800.4U 2019-11-28 2019-11-28 Portable developments electrocardio blood pressure respiratory wave record appearance Active CN211270704U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112315457A (en) * 2020-11-03 2021-02-05 中国科学院空天信息创新研究院 Implanted micro-power consumption multi-physiological parameter recording device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112315457A (en) * 2020-11-03 2021-02-05 中国科学院空天信息创新研究院 Implanted micro-power consumption multi-physiological parameter recording device

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