WO2021238133A1

WO2021238133A1 - Ambulatory blood pressure recorder

Info

Publication number: WO2021238133A1
Application number: PCT/CN2020/133483
Authority: WO
Inventors: 闫春芳; 钟洪波; 洪洁新; 陈俊
Original assignee: 深圳邦健生物医疗设备股份有限公司
Priority date: 2020-05-28
Filing date: 2020-12-03
Publication date: 2021-12-02
Also published as: CN113729659A; CN113729659B

Abstract

Disclosed is an ambulatory blood pressure recorder, comprising a main unit housing (1), a cuff (2), a circuit board module (4) and a multi-way valve (5), wherein the circuit board module (4) comprises a circuit board (41), a pressure sensor (42), an air pump (43) and an air valve (44); and the main unit housing (1) is internally provided with an accommodation chamber, in which the circuit board (41), the multi-way valve (5), the pressure sensor (42), the air pump (43) and the air valve (44) are all arranged. In the ambulatory blood pressure recorder, the multi-way valve (5) is provided with a first through hole (51) in communication with the air pump (43), a second through hole (52) in communication with the air valve (44), a third through hole (53) in communication with the cuff (2), and a fourth through hole (54) in communication with the pressure sensor (42), with the first through hole (51), the second through hole (52), the third through hole (53) and the fourth through hole (54) being respectively arranged in different faces of the multi-way valve (5), such that the circuit board (41), the multi-way valve (5), the pressure sensor (42), the air pump (43) and the air valve (44) can be rationally distributed in the accommodation chamber of the main unit housing (1), so that the space occupied by the parts inside the ambulatory blood pressure recorder can be reduced so as to ultimately make the ambulatory blood pressure recorder small in terms of size and convenient to carry.

Description

Ambulatory blood pressure recorder

Technical field

This application relates to the technical field of medical devices, and in particular to an ambulatory blood pressure recorder.

Background technique

At present, people generally use a static blood pressure meter to measure blood pressure. The measured blood pressure value is only one or several blood pressure measurements. Such measurements are often accidental and one-sided. They cannot reflect the fluctuation trend of human blood pressure throughout the day. Effectively diagnose and evaluate patients. The ambulatory blood pressure recorder can record human blood pressure fluctuations and circadian rhythms for 24 hours, which has important clinical reference value.

technical problem

The air pump, air valve, pressure sensor and other parts in the ambulatory blood pressure recorder need to be connected to facilitate measurement. However, in the traditional dynamic air pressure recorder, because multiple parts are connected irregularly through pipelines, the arrangement of parts is unreasonable, and the space occupied by the parts is too large, which makes the whole recorder too large and inconvenient. carry.

Technical solutions

Based on this, it is necessary to provide an ambulatory blood pressure recorder that is convenient to carry.

An ambulatory blood pressure recorder, which includes a host casing, a cuff, a circuit board module, and a multi-channel, the circuit board module includes a circuit board, a pressure sensor, an air pump, and an air valve;

The host casing is provided with a containing cavity, the circuit board, the multi-way, the pressure sensor, the air pump and the air valve are all arranged in the containing cavity, and the pressure sensor, the Both the air pump and the air valve are electrically connected to the circuit board;

The multi-way is provided with a cavity, and the multi-way is provided with a first through hole that communicates with the air pump, a second through hole that communicates with the air valve, and a third through hole that communicates with the cuff. A through hole and a fourth through hole communicating with the pressure sensor, the first through hole, the second through hole, the third through hole, and the fourth through hole are all in communication with the cavity, And the first through hole, the second through hole, the third through hole and the fourth through hole are respectively arranged on different faces of the multi-pass.

Beneficial effect

The multi-port of this ambulatory blood pressure recorder is provided with a first through hole that communicates with the air pump, a second through hole that communicates with the air valve, a third through hole that communicates with the cuff, and a fourth through hole that communicates with the pressure sensor. , And the first through hole, the second through hole, the third through hole and the fourth through hole are respectively arranged on different faces of the multi-pass, so that the circuit board, multi-pass, pressure sensor can be , Air pumps and valves are arranged reasonably, which can reduce the space occupied by the internal parts of the ambulatory blood pressure recorder, and finally make the ambulatory blood pressure recorder smaller in size and easy to carry.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

in:

FIG. 1 is a schematic diagram of the structure of an ambulatory blood pressure recorder according to an embodiment.

Fig. 2 is an exploded schematic diagram of the ambulatory blood pressure recorder shown in Fig. 1.

FIG. 3 is a schematic diagram of the structure of the circuit board module of the ambulatory blood pressure recorder shown in FIG. 1.

Fig. 4 is a partial exploded schematic diagram of the ambulatory blood pressure recorder shown in Fig. 1.

Fig. 5 is a partial cross-sectional view of the ambulatory blood pressure recorder shown in Fig. 1.

Fig. 6 is a cross-sectional view of the inflation process of the ambulatory blood pressure recorder shown in Fig. 1.

Fig. 7 is a cross-sectional view of the deflation process of the ambulatory blood pressure recorder shown in Fig. 1.

Fig. 8 is a cross-sectional view of the signal acquisition process of the ambulatory blood pressure recorder shown in Fig. 1.

Reference signs: 1-host housing; 2-cuff; 3-battery module; 4-circuit board module; 5-multi-pass (six-pass).

11-face shell; 12-bottom shell; 13-battery compartment cover; 111-communication interface; 112-window screen; 113-keys; 121-inflation port; 122-battery compartment; 21-trachea; 22-trachea connector; 41 -Circuit board; 42- Pressure sensor; 43- Air pump; 44- Air valve; 45- Liquid crystal display; 46-USB socket; 47- Bracket; 411- Small hole; 43- Connecting wire; 432- Transparent hose; 441- Connecting line; 51-first through hole; 52-second through hole; 53-third through hole; 54-fourth through hole; 55-O-ring; 56-sealing ring.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

The ambulatory blood pressure recorder according to an embodiment shown in FIGS. 1, 2 and 3 includes a host casing 1, a cuff 2, a circuit board module 4, and a multi-pass 5.

The circuit board module 4 includes a circuit board 41, a pressure sensor 42, an air pump 43 and an air valve 44.

The host casing 1 is provided with a containing cavity. The circuit board 41, the multi-way 5, the pressure sensor 42, the air pump 43 and the air valve 44 are all arranged in the containing cavity, and the pressure sensor 42, the air pump 43 and the air valve 44 are all electrically connected to the circuit board 41. connect.

The multi-way 5 is provided with a cavity, and the multi-way 5 is provided with a first through hole 51 communicating with the air pump 43, a second through hole 52 communicating with the air valve 44, and a third through hole 53 communicating with the cuff 2 And the fourth through hole 54 communicating with the pressure sensor 42, the first through hole 51, the second through hole 52, the third through hole 53, and the fourth through hole 54 are all in communication with the cavity, and the first through hole 51, the The two through holes 52, the third through holes 53 and the fourth through holes 54 are respectively arranged on different faces of the multi-pass 5.

With reference to the drawings, in the present application, the first through hole 51, the second through hole 52, the third through hole 53, and the fourth through hole 54 are respectively arranged on different faces of the multi-pass 5, which refers to the first through hole 51, The second through hole 52, the third through hole 53 and the fourth through hole 54 are not located on the same plane, that is, the four through holes are respectively arranged on two planes, three planes or four planes.

The multi-port 5 of this ambulatory blood pressure recorder is provided with a first through hole 51 communicating with the air pump 43, a second through hole 52 communicating with the air valve 44, a third through hole 53 communicating with the cuff 2, and a pressure The fourth through hole 54 communicated with the sensor 42, and the first through hole 51, the second through hole 52, the third through hole 53, and the fourth through hole 54 are respectively arranged on different faces of the multi-pass 5, so that the The circuit board 41, the multi-way 5, the pressure sensor 42, the air pump 43 and the air valve 44 are reasonably arranged in the accommodating cavity of the body 1, thereby reducing the space occupied by the internal parts of the ambulatory blood pressure recorder, and finally making this dynamic The blood pressure recorder is small in size and easy to carry.

Preferably, the multi-way 5, the air pump 43 and the air valve 44 are arranged on the same layer, and the circuit board 41 is stacked on the multi-way 5, the air pump 43 and the air valve 44, and the pressure sensor 42 is arranged on the side of the circuit board 41 close to the multi-way 5.

By optimizing and reasonably setting the components, the space of the receiving cavity of the main body housing 1 can be fully utilized, so that the volume of the ambulatory blood pressure recorder can be further reduced.

Preferably, the multi-pass 5 is rectangular, and the multi-pass 5 is integrally molded. The rectangular shape of the multi-pass 5 facilitates the arrangement of parts, and the overall mold release is not only simple in manufacturing, but also ensures the air-tightness of the multi-pass 5, and at the same time avoids the risk of air leakage due to the imperfect welding of the upper and lower covers.

More preferably, the first through hole 51, the second through hole 52, the third through hole 53, and the fourth through hole 54 are respectively provided on the three surfaces of the multi-channel 5.

With reference to the drawings, in this embodiment, the first through hole 51, the second through hole 52, the third through hole 53, and the fourth through hole 54 are respectively provided on three adjacent surfaces of the multi-pass 5 in pairs.

Three surfaces adjacent to each other means that any one surface is adjacent to the other two surfaces. This arrangement realizes the optimal arrangement of components and makes the most of the space of the receiving cavity of the host casing 1. The volume of the ambulatory blood pressure recorder can be minimized without changing the parts.

Specifically, in this embodiment, the first through hole 51 and the second through hole 52 are located on the same surface. At this time, the third surface 53 and the fourth surface 54 are respectively located on two other different surfaces.

In this embodiment, both the air valve 44 and the second through hole 52 are two, and the pressure sensor 42 and the fourth through hole 54 are both two. In this case, the multi-port 5 is the six-port 5.

Both the air valve 44 and the second through hole 52 are two, and the pressure sensor 42 and the fourth through hole 54 are both two, which can further improve the accuracy of the measurement.

The pressure sensor 42 is connected with the six-way 5 to generate an electric signal according to the air pressure in the cuff 2, and the electric signal is converted into a blood pressure value through the circuit board 41 and stored.

With reference to the drawings, the ambulatory blood pressure recorder of this embodiment further includes a battery module 3, and the main body housing 1 includes a face shell 11 and a bottom shell 12.

The bottom shell 12 has an opening surface and a closing surface opposite to each other. The closing surface is recessed in the direction of the opening surface to form a battery compartment 122 for accommodating the battery module 3. The closing surface is also provided with a battery compartment cover 13 matching the battery compartment 122.

The face shell 11 is fixed on the opening surface, and the aforementioned accommodating cavity is formed between the face shell 11 and the bottom shell 12.

With reference to the drawings, the circuit board module 4 further includes a display screen 45, a data interface 46, and a bracket 47, and both the display screen 45 and the data interface 46 are electrically connected to the circuit board 41.

Preferably, the display screen 45 is a liquid crystal display screen, and the data interface 46 is a USB socket.

The face shell 11 is provided with a data through hole 111, a window screen 112 and a button 113, the data interface 46 is arranged corresponding to the data through hole 111, the bracket 47 installs the display screen 45 under the window screen 112, and the button 113 is connected to the circuit board 41.

The ambulatory blood pressure recorder can be connected to a computer through the data interface 46, and the blood pressure measurement values stored in the ambulatory blood pressure recorder are transmitted to the computer.

The button 113 is electrically connected to the circuit board module 4, and the manual blood pressure measurement and other functions configured by the circuit board module 4 can be triggered by the button 113.

The circuit board 41 is provided with a small hole 411 for mounting the bracket 47, and the display screen 45 is electrically connected to the circuit board 41 by welding, and is fixed on the bracket 47.

The circuit board 41 is electrically connected to the two pressure sensors 42 through welding, the air pump 43 is electrically connected to the circuit main board 41 through the connecting wire 431, the two air valves 44 are electrically connected to the circuit main board 41 through the connecting wire 441, and the data interface 46 is electrically connected to the circuit through welding. The board 41 is electrically connected.

Specifically, an inflation port 121 is provided on the bottom shell 12.

The cuff 2 is provided with a trachea 21 and a tracheal joint 22, and the tracheal joint 22 is in communication with the third through hole 53 through the inflation port 121.

4 and 5, specifically, the first through hole 51 is tightly connected to the air pump 43 through a transparent rubber tube 432, the second through hole 52 is tightly connected to the air valve 44 through a sealing ring 56, and the third through hole 53 is tightly connected to the bottom shell. The inflation ports 121 on the 12 are aligned, and are tightly connected to the tracheal plug 22 through an O-ring 55, and the fourth through hole 54 is tightly connected to the pressure sensor 42 through a sealing ring 56.

The following describes the measurement process of the ambulatory blood pressure recorder: the blood pressure measurement is implemented by the cuff 2, the circuit board module 4 and the six-pass 5. The circuit board 41 controls the pressure sensor 42, the air pump 43 and the air valve 44 to work.

The circuit board 41 controls the air valve 44 to close, the air pump 43 works, and the cuff 2 is inflated through the six-way 5. As shown in Figure 6, the gas passes through the air pump 43, enters the first through hole 51 through the transparent rubber tube 432, enters the tracheal joint 22 through the third through hole 53, and then enters the cuff 2 through the trachea 21 to inflate the cuff 2. Increase the pressure of cuff 2 to the set value.

Then the circuit board 41 controls the air valve 44 to work, and gradually deflates the cuff 2 through the six-way 5. As shown in Figure 7, gas enters the trachea 21 from the cuff 2, enters the third through hole 53 through the tracheal joint 22, and enters the gas valve 44 through the second through hole 52, and the gas valve 44 controls the gas to be gradually released.

At the same time, the pressure sensor 42 detects the air pressure in the cuff 2 through the six-way 5. As shown in Figure 8, the gas in the cuff 2 passes through the trachea 21, the tracheal joint 22, the third through hole 53 and the fourth through hole 54 to generate pressure on the pressure sensor 42, and the pressure sensor 42 generates corresponding electrical signals for different air pressures. The signal is then sent to the circuit board 41 for processing. When the systolic, average, and diastolic blood pressures are detected, the circuit board 41 controls the gas valve 44, and quickly releases the gas in the cuff 2 through the six-way 5, and stores the measured results, and at the same time through the LCD screen 45 displays systolic blood pressure, diastolic blood pressure and pulse rate. This completes a measurement process.

The above-disclosed are only the preferred embodiments of the application, and of course the scope of rights of the application cannot be limited by this. Therefore, equivalent changes made in accordance with the claims of the application still fall within the scope of the application.

Claims

An ambulatory blood pressure recorder, which is characterized by comprising a host casing, a cuff, a circuit board module, and a multi-channel, the circuit board module including a circuit board, a pressure sensor, an air pump, and an air valve;

The host casing is provided with a containing cavity, the circuit board, the multi-way, the pressure sensor, the air pump and the air valve are all arranged in the containing cavity, and the pressure sensor, the Both the air pump and the air valve are electrically connected to the circuit board;

The multi-way is provided with a cavity, and the multi-way is provided with a first through hole that communicates with the air pump, a second through hole that communicates with the air valve, and a third through hole that communicates with the cuff. A through hole and a fourth through hole communicating with the pressure sensor, the first through hole, the second through hole, the third through hole, and the fourth through hole are all in communication with the cavity, And the first through hole, the second through hole, the third through hole and the fourth through hole are respectively arranged on different faces of the multi-pass.
The ambulatory blood pressure recorder according to claim 1, wherein the multi-pass, the air pump and the air valve are arranged on the same layer, and the circuit board is laminated on the multi-pass, the air pump and the air valve. Above the air valve, the pressure sensor is arranged on the side of the circuit board close to the multi-pass.
The ambulatory blood pressure recorder according to claim 2, wherein the multi-channel is rectangular, and the multi-channel is integrally molded.
The ambulatory blood pressure recorder according to any one of claims 1 to 3, wherein the first through hole, the second through hole, the third through hole and the fourth through hole are respectively Set on the three surfaces of the multi-pass.
The ambulatory blood pressure recorder according to claim 4, wherein the first through hole, the second through hole, the third through hole and the fourth through hole are respectively provided in the multi-channel Of three adjacent surfaces in twos.
The ambulatory blood pressure recorder according to claim 5, wherein the first through hole and the second through hole are located on the same surface.
The ambulatory blood pressure recorder according to claim 6, wherein the air valve and the second through hole are both two, the pressure sensor and the fourth through hole are both two, and the Multi-pass is six-pass.
The ambulatory blood pressure recorder according to claim 1, further comprising a battery module; the mainframe housing includes a face shell and a bottom shell;

The bottom case has opposite opening surfaces and a closing surface, the closing surface is recessed in the direction of its opening surface to form a battery compartment for accommodating the battery module, and the closing surface is also provided with a battery matching the battery compartment The cover; the face shell is fixed on the opening surface, and the containing cavity is formed between the face shell and the bottom shell.
The ambulatory blood pressure recorder according to claim 8, wherein the circuit board module further comprises a display screen, a bracket and a data interface, and both the display screen and the data interface are electrically connected to the circuit board;

The face shell is provided with a data through hole, a window screen and buttons, the data interface is set corresponding to the data through hole, the bracket installs the display screen below the window screen, and the buttons are connected to the Circuit board connection.
The ambulatory blood pressure recorder according to claim 8, wherein the bottom shell is provided with an inflation port;

The cuff is provided with a trachea and a tracheal joint, and the tracheal joint is communicated with the third through hole through the inflation port.