CN219594591U - Body pressure measuring device and system - Google Patents
Body pressure measuring device and system Download PDFInfo
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- CN219594591U CN219594591U CN202223162436.XU CN202223162436U CN219594591U CN 219594591 U CN219594591 U CN 219594591U CN 202223162436 U CN202223162436 U CN 202223162436U CN 219594591 U CN219594591 U CN 219594591U
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Abstract
The utility model discloses a body pressure measuring device and a body pressure measuring system. The body pressure measuring device includes: the pressure measuring module and the first fixing device; the first fixing device is used for fixing the body pressure measuring device outside the body of the user; the pressure measuring module comprises a barometer and a calculating unit, wherein the barometer is used for acquiring first pressure outside a user, the calculating unit is used for acquiring the first pressure and second pressure inside the user, calculating relative atmospheric pressure inside the user according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display. The embodiment of the utility model solves the technical problems that the high-precision barometer does not exist in the mobile terminal, the measurement air pressure precision does not meet the clinical application requirement, can realize the wearable monitoring system, reduces the limitation on the use scene, is convenient for the patient to move to the greatest extent, and is beneficial to the rehabilitation of the patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a body pressure measuring device and a body pressure measuring system.
Background
Pressure parameters in animals or humans are of great importance for diagnosis, measurement of diseases, such as intra-ventricular pressure, intra-coronary vascular pressure, intracranial pressure, intra-vesical pressure, intra-uterine pressure, etc. The internal pressure parameters are all relative to the external atmospheric pressure.
There are two types of measurement modes relative to the outside atmospheric pressure: one is to construct a channel from the external to the internal pressure sensor, using differential pressure or gauge pressure sensors to make measurements; another is to measure the absolute pressure at the target point in the body using an absolute pressure sensor. Meanwhile, barometers are used in extracorporeal devices. And performing arithmetic subtraction on the internal absolute pressure and the external air pressure which are measured simultaneously to obtain the pressure of the internal relative to the external atmospheric pressure. The existing scheme adopts a second scheme, so that the application and packaging difficulty of the sensor can be reduced, and the complication risk in use is reduced.
The wearable monitoring system is an important development trend of current clinical medical equipment, and one of the important contents of the wearable design is to realize miniaturization of terminal equipment. The breakthrough of the bottom technologies such as semiconductor chips, algorithms and the like makes the traditional terminal equipment such as heavy monitors and the like possible to be miniaturized and portable. For the application of measuring and monitoring the pressure parameter in the body based on the absolute pressure sensor, the miniature equipment such as a mobile phone, a tablet and the like is used as a portable terminal, so that the method is a realistic and feasible scheme. However, the existing mobile phones, flat panels and other devices are mainly designed for consumer applications, and as medical equipment terminals, high-precision barometers are not arranged in the devices, and the precision of the measured air pressure does not meet the clinical application requirements.
Disclosure of Invention
The utility model provides a body pressure measuring device and a body pressure measuring system, which solve the technical problems that a high-precision barometer does not exist in a mobile terminal, the measured air pressure precision does not meet the clinical application requirement, realize the wearable of a monitoring system, reduce the limitation on the use scene, facilitate the patient to move to the greatest extent, and facilitate the patient rehabilitation.
According to an aspect of the present utility model, there is provided a body pressure measuring device including a pressure measuring module and a first fixing device;
the first fixing device is used for fixing the body pressure measuring device outside the body of the user;
the pressure measuring module comprises a barometer and a calculating unit, wherein the barometer is used for acquiring first pressure outside a user body, the calculating unit is used for acquiring second pressure inside the user body and first pressure, calculating relative atmospheric pressure inside the user body according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display.
Optionally, the pressure measurement module includes: and the computing unit receives the second pressure in the user body through the first transmission unit.
Optionally, the pressure measuring module further includes: and the signal processing unit is connected with the first transmission unit and the barometer and is used for converting the first pressure and the second pressure from analog signals to digital signals and transmitting the digital signals to the calculation unit.
Optionally, the pressure measuring module further includes: and the storage unit is connected with the calculation unit and is used for storing the relative atmospheric pressure.
Optionally, the pressure measuring module further includes: the body pressure measuring device comprises a power management unit and a battery, wherein the battery supplies power for the body pressure measuring device through the power management unit.
Optionally, the pressure measuring module further includes a second transmission unit, and the computing unit is connected to the external mobile terminal through the second transmission unit, and is configured to transmit the relative atmospheric pressure to the external mobile terminal.
Optionally, the pressure measurement module further includes an isolation unit, where the isolation unit is connected between the second transmission unit and the calculation unit, and is used for isolating the electrical signal between the second transmission unit and the calculation unit.
Optionally, the pressure measuring module further includes: and the second fixing device is used for fixing the pressure measuring module to the mobile terminal.
Optionally, the first fixing device is a hook or a clip, the second fixing device is a buckle, and the first transmission unit and the second transmission unit are wired communication interfaces or wireless communication chips.
According to another aspect of the present utility model, there is provided a body pressure measurement system, including an absolute pressure sensor, an external mobile terminal, and a body pressure measurement device according to an embodiment of the present utility model, where the external mobile terminal is configured to alarm according to display data of the relative atmospheric pressure.
The body pressure measuring device provided by the technical scheme of the embodiment of the utility model comprises a pressure measuring module and a first fixing device; the first fixing device is used for fixing the body pressure measuring device outside the body of the user; the pressure measuring module comprises a barometer and a calculating unit, wherein the barometer is used for acquiring first pressure outside a user body, the calculating unit is used for acquiring second pressure inside the user body and first pressure, calculating relative atmospheric pressure inside the user body according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display. The technical problem that the accuracy of the measured air pressure does not meet the clinical application requirements is solved, the wearable monitoring system is realized, the limitation on the use scene is reduced, the patient can move conveniently to the greatest extent, and the patient recovery is facilitated.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a body pressure measuring device according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another body pressure measurement device according to a second embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a body pressure measurement system according to a third embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a schematic structural diagram of a body pressure measurement device according to an embodiment of the present utility model, and referring to fig. 1, the body pressure measurement device includes a pressure measurement module 100 and a first fixing device 200, where the pressure measurement module 100 includes a barometer 120 and a calculation unit 110.
The first fixing device 200 is used for fixing the body pressure measuring device outside the body of the user;
the first fixing device 200 may be a clip, a hook, or other fixing devices, which is not limited herein;
the barometer 120 is used for acquiring a first pressure outside the user, the calculation unit 110 is used for acquiring the first pressure and a second pressure inside the user, calculating a relative atmospheric pressure inside the user according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display.
The barometer 120 is a high-precision barometer with an error of ±50Pa, and can measure the external atmospheric pressure in real time, and the sampling frequency and the precision thereof are limited to meet the clinical requirement. For measuring intracranial pressure, the accuracy should not be lower than + -1 mmHg and the sampling frequency should not be lower than one cardiac cycle. Meanwhile, the barometer 120 has a hole or slit in the housing to communicate the internal barometer environment with the outside atmosphere.
In this embodiment, an absolute pressure sensor is used to obtain a second pressure in the user body, and the computing unit 110 computes a relative atmospheric pressure in the user body according to the first pressure and the second pressure, and transmits the relative atmospheric pressure to the external mobile terminal for display.
The calculating unit 110 is a built-in integrated or independent single chip microcomputer, an MCU chip or a CPU (central processing unit), etc., the second pressure is an absolute pressure in the user body, the first pressure is an atmospheric pressure near the user body, and the calculating method of the relative atmospheric pressure in the user body is to subtract the first pressure outside the user body obtained by the barometer 120 from the second pressure in the user body obtained by the absolute pressure sensor.
It should be noted that, in this embodiment, the pressure measuring module 100 and the first fixing device 200 are provided, and the barometer 120 and the computing unit 110 are provided in the pressure measuring module 100, which aims to design a portable device capable of measuring the relative atmospheric pressure in the user at any time. When measuring the relative atmospheric pressure in the user, can fix the pressure measurement module 100 on the user, realize the wearable of guardianship system, reduce the restriction to the service scenario, the furthest makes things convenient for patient's activity, is favorable to patient recovery.
The body pressure measuring device provided by the embodiment of the utility model comprises a pressure measuring module and a first fixing device; the first fixing device is used for fixing the body pressure measuring device outside the body of the user; the pressure measuring module comprises a barometer and a calculating unit, wherein the barometer is used for acquiring first pressure outside a user body, the calculating unit is used for acquiring second pressure inside the user body and first pressure, calculating relative atmospheric pressure inside the user body according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display. The miniature and portable body pressure measuring device is realized, the wearable monitoring system is realized, the limitation on the use scene is reduced, the patient can move to the greatest extent, and the rehabilitation of the patient is facilitated.
Example two
Fig. 2 is a schematic structural diagram of another body pressure measurement device according to an embodiment of the present utility model, referring to fig. 2, the body pressure measurement device includes a pressure measurement module 100 and a first fixing device 200, where the pressure measurement module 100 includes a barometer 120, a calculation unit 110, a first transmission unit 130, a signal processing unit 140, a storage unit 150, a power management unit 160, a second transmission unit 170, an isolation unit 180, and a second fixing device 190.
Optionally, the pressure measurement module 100 includes: the first transmission unit 130, the calculation unit 110 receives the second pressure in the user's body through the first transmission unit 130.
The first transmission unit 130 includes a wireless receiving device therein, and is capable of receiving a measurement signal measured by the in-vivo absolute pressure sensor and wirelessly transmitted. The condition that the gas channel with complex construction and external atmospheric pressure entering the back surface of the pressure sensing membrane of the in-vivo sensor is complex in structural design and difficult in process, and inaccurate measurement is easily caused when cerebrospinal fluid leaks and air channels are not smooth is avoided.
Optionally, the pressure measurement module 100 further includes: the signal processing unit 140, the signal processing unit 140 and the first transmission unit 130 are connected to the barometer 120, for converting the first pressure and the second pressure from analog signals to digital signals and transmitting to the calculation unit 110. The signal processing unit 140 in this embodiment includes an analog-to-digital conversion circuit.
Optionally, the pressure measurement module 100 further includes: the storage unit 150 is connected with the calculation unit 110, and is used for storing the relative atmospheric pressures calculated at different acquisition times.
The storage unit 150 may store the values measured by the computing unit 110 within a preset time period, for example, within one hour, one day, 1 week, and 1 month, so as to avoid limitation of the storage capacity of the external mobile terminal on the monitored data amount, and ensure timely update of the data.
Optionally, the pressure measurement module 100 further includes: a power management unit 160 and a battery 161, said battery 161 powering the body pressure measuring device via the power management unit 160.
The battery 161 is a rechargeable or disposable lithium battery, and can supply power to the pressure measurement module 100, so as to prolong the working time of the pressure measurement module 100.
Optionally, the pressure measuring module 100 further includes a second transmission unit 170, and the computing unit 110 is connected to the external mobile terminal through the second transmission unit 170 to transmit the relative atmospheric pressure to the external mobile terminal.
In an embodiment, the second transmission unit may be a Type C plug, and may be plugged into a Type C socket of the mobile phone to perform communication and power supply, so as to timely send the calculated relative atmospheric pressure to the mobile terminal. Meanwhile, the battery 161 can be charged through the Type C plug
Optionally, the pressure measurement module 100 further includes an isolation unit 180, where the isolation unit 180 is connected between the second transmission unit 170 and the calculation unit 110, and is used for isolating the electrical signal between the second transmission unit 170 and the calculation unit 110.
The pressure measuring module 100 is electrically isolated from an external mobile terminal and the like by the isolating unit 180, so that requirements of safety regulations of medical instruments and the like can be met.
Optionally, the pressure measurement module 100 further includes: and a second fixing device 190, wherein the second fixing device 190 is used for fixing the pressure measuring module 110 to a mobile terminal.
Optionally, the first fixing device 200 is a hook or a clip, the second fixing device 190 is a buckle, and the first transmission unit 130 and the second transmission unit 170 are wired communication interfaces or wireless communication chips.
Example III
Fig. 3 is a schematic structural diagram of a body pressure measurement system according to an embodiment of the present utility model. Referring to fig. 3, the present embodiment provides a body pressure measurement system, which includes a pressure measurement module 100, a first fixing device 200, an absolute pressure sensor 300, and an external mobile terminal 400.
The pressure measuring module 100 is a pressure measuring module in the first embodiment or the second embodiment of the present utility model, and can calculate the relative atmospheric pressure in the user body, and transmit the relative atmospheric pressure to the external mobile terminal 400 for display; the first fixing device 200 is used for fixing the body pressure measuring device outside the body of the user; the absolute pressure sensor 300 is used for measuring a second pressure in the user, and the external mobile terminal 400 is used for alarming according to the display data of the relative atmospheric pressure measured by the pressure measuring module 100.
Specifically, in operation, the absolute pressure sensor 300 measures the second pressure in the user body at 100Hz, and transmits the measured second pressure signal (analog signal or digital signal) to the pressure measuring module 100 in a wireless manner (or through wired connection), and the pressure measuring module 100 obtains the second pressure in the user body through signal processing and calculation. Meanwhile, the barometer synchronously measures the atmospheric pressure of the external environment at a frequency of 100Hz, the calculation unit 110 calculates a value of the required internal relative atmospheric pressure, and the calculation result is uploaded to the external mobile terminal 400 to display the relative atmospheric pressure.
The size of the pressure measuring module 100 is close to that of the external mobile terminal 400, and the pressure measuring module can be conveniently and reliably connected and assembled with the external mobile terminal 400.
The body pressure measurement system provided in the embodiment comprises a pressure measurement module, a first fixing device, an absolute pressure sensor and an external mobile terminal, wherein the absolute pressure sensor is used for acquiring second pressure in a user body, and the external mobile terminal is used for alarming according to display data of relative atmospheric pressure. The technical problem that the accuracy of the measured air pressure does not meet the clinical application requirements is solved, the wearable monitoring system can be realized, the limitation on the use scene is reduced, the patient can move conveniently to the greatest extent, and the patient rehabilitation is facilitated.
Optionally, the body pressure measurement system further includes a collecting device, where the collecting device is connected with the absolute pressure sensor 300 through a shielding wire, so as to ensure that a tiny signal measured by the absolute pressure sensor 300 is not interfered, thereby ensuring accuracy. The acquisition device is used for acquiring data measured by the absolute pressure sensor 300 and transmitting the data into the pressure measuring module 100 in a wireless mode (or wired connection).
Specifically, the first transmission unit 130 of the pressure measurement module 100 in the second embodiment includes a wireless receiving device, which can receive the measurement signal measured by the absolute pressure sensor 300 and wirelessly transmitted by the collecting device.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A body pressure measurement device, comprising: the pressure measuring module and the first fixing device;
the first fixing device is used for fixing the body pressure measuring device outside the body of the user;
the pressure measuring module comprises a barometer and a calculating unit, wherein the barometer is used for acquiring first pressure outside a user body, the calculating unit is used for acquiring second pressure inside the user body and first pressure, calculating relative atmospheric pressure inside the user body according to the first pressure and the second pressure, and transmitting the relative atmospheric pressure to an external mobile terminal for display.
2. The body pressure measurement device of claim 1, wherein the pressure measurement module comprises: and the computing unit receives the second pressure in the user body through the first transmission unit.
3. The body pressure measurement device of claim 2, wherein the pressure measurement module further comprises: and the signal processing unit is connected with the first transmission unit and the barometer and is used for converting the first pressure and the second pressure from analog signals to digital signals and transmitting the digital signals to the calculation unit.
4. The body pressure measurement device of claim 1, wherein the pressure measurement module further comprises: and the storage unit is connected with the calculation unit and is used for storing the relative atmospheric pressure.
5. The body pressure measurement device of claim 1, wherein the pressure measurement module further comprises: the body pressure measuring device comprises a power management unit and a battery, wherein the battery supplies power for the body pressure measuring device through the power management unit.
6. The body pressure measurement device of claim 2, wherein the pressure measurement module further comprises a second transmission unit through which the calculation unit is connected to an external mobile terminal for transmitting the relative atmospheric pressure to the external mobile terminal.
7. The body pressure measurement device of claim 6, wherein the pressure measurement module further comprises an isolation unit connected between the second transmission unit and the calculation unit for isolating electrical signals between the second transmission unit and the calculation unit.
8. The body pressure measurement device of claim 6, wherein the pressure measurement module further comprises: and the second fixing device is used for fixing the pressure measuring module to the mobile terminal.
9. The body pressure measurement device of claim 8, wherein the first fixing device is a hook or a clip, the second fixing device is a buckle, and the first transmission unit and the second transmission unit are wired communication interfaces or wireless communication chips.
10. A body pressure measurement system, comprising: an absolute pressure sensor for acquiring a second pressure in a user's body, a mobile terminal for alerting based on the display data of the relative atmospheric pressure, and the body pressure measuring device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162436.XU CN219594591U (en) | 2022-11-28 | 2022-11-28 | Body pressure measuring device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162436.XU CN219594591U (en) | 2022-11-28 | 2022-11-28 | Body pressure measuring device and system |
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| CN219594591U true CN219594591U (en) | 2023-08-29 |
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| CN202223162436.XU Active CN219594591U (en) | 2022-11-28 | 2022-11-28 | Body pressure measuring device and system |
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- 2022-11-28 CN CN202223162436.XU patent/CN219594591U/en active Active
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