CN112914532A

CN112914532A - Blood pressure measuring module

Info

Publication number: CN112914532A
Application number: CN201911240165.5A
Authority: CN
Inventors: 莫皓然; 韩永隆; 黄启峰; 蔡长谚; 李伟铭; 郭俊毅; 古旸
Original assignee: Microjet Technology Co Ltd
Current assignee: Microjet Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2021-06-08

Abstract

A blood pressure measuring module comprises at least one module main body connected with an air bag for controlling the inflation and the deflation of the air bag; at least one gas delivery device controlling gas flow; at least one sensor for monitoring the change in gas pressure in the bladder or the pressure of contact with the skin of the user; the gas transmission device is driven to form gas transmission, gas is guided into the module main body and gathered to the air bag, the air bag is expanded to measure the blood pressure, the pressure of the gathered gas in the air bag or the pressure of the gathered gas contacting with the skin of a user is monitored through the sensor, and the blood pressure information of the monitored user is calculated.

Description

Blood pressure measuring module

Technical Field

The present disclosure relates to a blood pressure measuring module, and more particularly, to a blood pressure measuring module applicable to a wearable blood pressure measuring device.

Background

At present, in all fields, no matter the industries such as medicine, computer science and technology, printing, energy and the like, products are developed towards refinement and miniaturization, wherein a blood pressure measurement module is a key technology thereof, and therefore, how to break through the technical bottleneck by means of an innovative structure is an important content of development. For example, in the medical industry, many instruments or devices that require pneumatic power, such as blood pressure vessels, typically employ conventional motors and gas valves for their gas delivery purposes. However, the volume of the conventional motor and the gas valve is limited, so that it is difficult to reduce the volume of the whole device, i.e. to achieve the goal of thinning, and further, the portable purpose of the apparatus cannot be achieved. In addition, the conventional motor and gas valve also generate noise during operation, which causes inconvenience and discomfort in use.

Therefore, there is a need to develop a blood pressure measuring module that can improve the above-mentioned drawbacks, so as to achieve the objectives of small size, miniaturization and silence of the conventional apparatus or device using a fluid transmission device, and also has the capability of rapidly transmitting high-flow gas.

Disclosure of Invention

The main objective of the present invention is to provide a blood pressure measuring module, which can be easily implemented in a blood pressure measuring device, and can be calibrated by directly measuring blood pressure with an inflatable type and by using an optical blood pressure measuring method detected by an optical sensor, so as to obtain the most accurate information of the measured blood pressure value, and can be connected to a self-learning Artificial Intelligence (AI) procedure through an external connection device, thereby being responsible for 24-hour analysis and monitoring, and having the benefits of abnormal feedback and alarm reporting.

One broad aspect of the present disclosure is a blood pressure measuring module, which includes at least one module body connected to an air bag for controlling inflation and deflation of the air bag; at least one gas delivery device controlling gas flow; at least one sensor for monitoring the change in gas pressure in the bladder or the pressure of contact with the skin of the user; the gas transmission device is driven to form gas transmission, gas is guided into the module main body and gathered to the air bag, the air bag is expanded to measure the blood pressure, the pressure of the gathered gas in the air bag or the pressure of the gathered gas contacting with the skin of a user is monitored through the sensor, and the blood pressure information of the monitored user is calculated.

Drawings

Fig. 1 is a schematic cross-sectional view of a blood pressure measuring device composed of the blood pressure measuring module set of the present invention.

Fig. 2A is an appearance schematic diagram of the blood pressure measuring device in combination with a wearing piece.

Fig. 2B is a schematic diagram of the blood pressure measuring device and the gas transmission device.

Fig. 3A is a schematic view showing a related assembly relationship between a module body and a gas transmission device of the blood pressure measurement module according to the present invention.

Fig. 3B is a schematic front view of the bus board of the module body in fig. 3A.

Fig. 3C is a schematic view of the back side of the bus board of the module body in fig. 3A.

Fig. 3D is a schematic front view of the cavity plate of the module body in fig. 3A.

Fig. 3E is a schematic diagram of the back side of the cavity plate of the module body in fig. 3A.

Fig. 3F is a schematic front view of the valve plate of the module body in fig. 3A.

Fig. 3G is a schematic view of the back side of the valve plate of the module body in fig. 3A.

Fig. 4 is a schematic diagram illustrating the operation and inflation state of the blood pressure measurement module in fig. 1.

Fig. 5A is a schematic cross-sectional view of the balloon of the blood pressure measurement module in the present case arranged inside a wearing part.

Fig. 5B is a schematic diagram of the inflation state of the balloon of the blood pressure measurement module in the scheme, which is implemented by the balloon being arranged inside the wearing part.

Fig. 6A is a schematic cross-sectional view of the sensor of the blood pressure measuring module of the present invention disposed outside the air bag.

Fig. 6B is a schematic diagram illustrating a state in which a sensor of the blood pressure measuring module is disposed outside an air bag and actuated to inflate the air bag.

Fig. 6C is a schematic diagram of the blood pressure measurement module of fig. 6B.

FIG. 7 is a schematic cross-sectional view of a module body in combination with two gas delivery devices.

Fig. 8A is a schematic diagram illustrating the operation of the blood pressure measuring module of fig. 7 with flow-collecting output gas.

Fig. 8B is a schematic diagram illustrating operation of the pressure relief gas of the blood pressure measuring module in fig. 7.

Fig. 9A is an exploded view of the micro-pump of the gas delivery device from a perspective.

FIG. 9B is an exploded view of the micro-pump of the gas delivery device from another perspective.

FIG. 10A is a schematic cross-sectional view of a micropump of the present gas delivery device.

FIG. 10B is a schematic cross-sectional view of another embodiment of the micropump of the present gas delivery device.

FIGS. 10C-10E are schematic views illustrating the operation of the micropump of the gas delivery device of FIG. 10A.

Fig. 11 is a schematic diagram of a communication connection external device of the blood pressure measuring module.

Description of the reference numerals

10: blood pressure measuring device

10 a: wearing piece

1: module body

11: bus board

11 a: first surface of bus bar

11 b: second surface of the bus board

11 c: bus board group bearing area

111: confluence outlet

112: guide groove

113: confluence groove

114: bus bar projection

115: discharge groove

116: discharge outlet

117: mortise and tenon hole

12: cavity plate

12 a: first surface of cavity plate

12 b: second surface of cavity plate

121: diversion cavity

122: bearing frame groove

123: flow-collecting chamber

124: communicating hole

125: cavity plate convex part

126: second communication hole

127: clamping tenon

13: valve plate

13 a: first contact surface

13 b: second contact surface

131: valve bore

132: converging concave sheet

133: flow-discharging concave part sheet

134: locating hole

2: gas transmission device

21: intake plate

21 a: inlet orifice

21 b: bus bar groove

21 c: confluence chamber

22: resonance sheet

22 a: hollow hole

22 b: movable part

22 c: fixing part

23: piezoelectric actuator

23 a: suspension plate

23 b: outer frame

23 c: support frame

23 d: piezoelectric element

23 e: gap

23 f: convex part

24: first insulating sheet

25: conductive sheet

26: second insulating sheet

27: chamber space

3: sensor with a sensor element

4: air bag

5: driving circuit board

6 a: optical sensor

6 b: three-axis acceleration sensor

7: microprocessor

8: communication device

9: external connection device

A: skin(s)

B: skeleton(s)

C: artery

Detailed Description

Embodiments that embody the features and advantages of this disclosure will be described in detail in the description that follows. It will be understood that the present disclosure is capable of various modifications without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

Referring to fig. 1, fig. 2A, fig. 2B and fig. 3A, a blood pressure measuring module is provided, which includes a module body 1, a gas transmission device 2 and a sensor 3. The module body 1 is connected with an air bag 4 for controlling the inflation and exhaust operations of the air bag 4, and the module body 1 comprises a bus plate 11, at least one cavity plate 12 and at least one valve plate 13. The gas transmission device 2 controls the gas flow; in the embodiment, the gas delivery device 2 may be one of a micro pump, an actuator and a quartz oscillator, but not limited thereto. The sensor 3 monitors the change in gas pressure in the airbag 4. Thus, the gas transmission device 2 is driven to transmit gas, the gas is guided into the module body 1 and gathered to the air bag 4, the air bag 4 is expanded to measure the blood pressure, the pressure of the gathered gas in the air bag 4 or the pressure contacting with the skin of a user is monitored through the sensor 3, and the blood pressure information of the monitored user is calculated. The gas transmission device 2 is sealed on one side of the module body 1, and the module body 1 is connected with an air bag 4 by a bus plate 11 to form a blood pressure measuring device 10, or as shown in fig. 1 and 3A, the module body 1 is connected with an air bag 4 by a bus plate 11, a plurality of cavity plates 12, a plurality of valve plates 13 and a plurality of gas transmission devices 2 to form a blood pressure measuring device 10. In the present embodiment, the number of the cavity plates 12, the valve plates 13 and the gas transmission devices 2 is the same, and may be, for example, but not limited to, one. To briefly illustrate the structure of the present disclosure, fig. 3A only representatively illustrates a structure corresponding to one corner of the bus board 11. The blood pressure measuring device 10 can be matched with the wearing piece 10a, so that the blood pressure measuring device 10 is hung on a human body to monitor blood pressure. In the embodiment, the wearing element 10a may be an annular band structure made of soft or hard material, such as but not limited to silicone material, plastic material, metal material, or other related material that can be used, and is mainly used to surround and cover the wrist, arm, and foot of the user. The connection mode of the two ends of the wearing piece 10a can be a velcro sticking mode, a convex-concave butt-joint buckling mode, or a common buckling ring of a common watch band, or even an integrally formed ring structure, and the connection mode can be changed according to the actual implementation situation, and is not limited thereto.

Referring to fig. 1, the air bag 4 may be disposed at the bottom of the blood pressure measuring device 10 and contracted to form a flat surface, and the gas transmission device 2 is driven to transmit gas so that the gas is introduced into the module body 1 and collected in the air bag 4 to inflate the air bag (as shown in fig. 4) for blood pressure measurement, and the sensor 3 monitors the pressure of the collected gas in the air bag 4 to calculate the blood pressure information of the monitored user. Of course, as shown in fig. 5A, the air bag 4 may also be disposed inside the wearing member 10a and contracted and hidden to form a flat surface, the gas transmission device 2 forms gas transmission when being driven, so that the gas is introduced into the module body 1 and gathered in the air bag 4 to expand (as shown in fig. 5B) to form a blood pressure measurement operation, and the sensor 3 monitors the pressure of the gathered gas in the air bag 4, thereby calculating the blood pressure information of the monitored user. As shown in fig. 6A, the sensor 3 may be further disposed outside the air bag 4, and the sensor 3 is an array type pressure sensor, the gas transmission device 2 forms gas transmission when being driven, so that the gas is introduced into the module body 1 and collected in the air bag 4 to inflate the air bag (as shown in fig. 6B), the sensor 3 can be pressed against the skin a of the user to compress the artery C between the bone B and the skin a of the user, the sensor 3 is pressed against the artery C of the user to monitor the target artery C by using applanation scanning, and the blood pressure information of the monitored user is calculated (as shown in fig. 6C).

Referring to fig. 1 and fig. 3A to 3G, the following description will be made of an embodiment in which the blood pressure measuring module of the present invention includes a plurality of gas transmission devices 2 arranged in parallel and covered on one side of the module body 1, and further, the design of the micro pump adopted by the gas transmission device 2 and the assembly and operation relationship between the gas transmission device 2 and the module body 1 will be described.

The module body 1 includes a bus bar 11, at least one cavity plate 12, and at least one valve plate 13, wherein the bus bar 11 is connected to the airbag 4 and is assembled and positioned on the cavity plate 12, and the valve plate 13 is disposed between the bus bar 11 and the cavity plate 12 for controlling the inflation and deflation operations of the airbag 4.

In addition, the bus board 11 of the blood pressure measuring module of the present disclosure can be matched with a plurality of cavity boards 12 and a plurality of valve boards 13, and matched with a plurality of gas transmission devices 2 to be commonly connected with an air bag 4, so as to form a blood pressure measuring device 10.

The bus board 11 has a first surface 11a of the bus board, a second surface 11b of the bus board, and the second surface 11b of the bus board and the first surface 11a of the bus board are two surfaces that are oppositely arranged, and a plurality of bus board bearing groups 11c can be arranged on the bus board 11, and can be arranged by matching a plurality of cavity plates 12, a plurality of valve plates 13 and a plurality of gas transmission devices 2, and can be adjusted and changed according to actual requirements, that is, the bus board bearing groups 11c with required number are arranged on the bus board 11. The bus bar 11 is provided with a bus bar outlet 111, the bus bar outlet 111 penetrates the first surface 11a and the second surface 11b of the bus bar, each of the bus bar receiving sections 11c is provided with a bus bar groove 113, a bus bar protrusion 114, a relief groove 115 and a relief outlet 116, the bus bar groove 113, the bus bar protrusion 114 and the relief groove 115 are provided on the second surface 11b of the bus bar, the guide groove 112 is provided on the second surface 11b of the bus bar, communicates with the bus bar outlet 111, and serves as a communication passage between each of the bus bar grooves 113 and each of the relief grooves 115 so as to communicate with each other, the bus bar protrusion 114 is protruded in the relief groove 115 and surrounded by the relief groove 115, and the relief outlet 116 is provided at a central position of the bus bar protrusion 114 and penetrates the first surface 11a and the second surface 11b of the bus bar, in this way, the second surface 11b of the bus bar 11 is correspondingly covered on the cavity plate 12, so that the gas output from the cavity plate 12 is collected in the guiding groove 112 of the bus bar 11, and then is guided into the bus outlet 111 by the guiding groove 112 for collecting and outputting. When a plurality of manifold plate receiving areas 11c of a required number are provided on the manifold plate 11, only one manifold outlet 111 is provided on the manifold plate 11, and is commonly connected to an air bag 4 for air collection, and a plurality of discharge outlets 116 corresponding to the manifold plate receiving areas 11c are provided for pressure relief and exhaust.

The cavity plate 12 has a first cavity plate surface 12a and a second cavity plate surface 12b, the second cavity plate surface 12b and the first cavity plate surface 12a are opposite surfaces, the bus bar 11 is supported on the first cavity plate surface 12a of the cavity plate 12, a flow guiding chamber 121 is concavely disposed on the first cavity plate surface 12a, a supporting frame slot 122 is concavely disposed on the second cavity plate surface 12b, and the flow guiding chamber 121 is communicated with each other corresponding to the bus bar slot 113 of the bus bar 11, in other words, the flow guiding chamber 121 and the supporting frame slot 122 are respectively disposed on different surfaces opposite to each other, and a flow guiding chamber 123 is disposed at the bottom of the supporting frame slot 122, at least one communication hole 124 is disposed at the bottom of the flow guiding chamber 123 to communicate with the flow guiding chamber 121 through the first cavity plate surface 12a, in this embodiment, 3 communication holes 124 are provided, but not limited thereto, and a cavity plate 125 is disposed in the flow guiding chamber 121, and the chamber plate protrusion 125 surrounds the communication hole 124 and each chamber plate is provided with a second communication hole 126 corresponding to the discharging groove 115 of the bus plate 11 to communicate with the collecting chamber 123 through the chamber plate first surface 12 a.

The valve plate 13 is disposed between the bus bar 11 and the cavity plate 12, and when the valve plate 13 is disposed and assembled on the first surface 12a of the cavity plate 12, the valve plate 12 correspondingly abuts against the cavity plate protrusion 125. The valve plate 13 is provided with a valve hole 131 corresponding to the cavity plate protrusion 125, and the valve hole 131 is normally closed by the cavity plate protrusion 125. On the other hand, when the bus bar 11 receiving assembly is positioned on the valve plate 13, the valve plate 13 correspondingly abuts against the bus bar protrusion 114 on each bus bar receiving assembly area 11 c. In the embodiment, the valve plate 13 may also have a first contact surface 13a and a second contact surface 13b, and a converging concave sheet 132 and a discharging concave sheet 133 are disposed between the first contact surface 13a and the second contact surface 13b, and the converging concave sheet 132 and the discharging concave sheet 133 do not protrude from the first contact surface 13a and the second contact surface 13b, wherein the converging concave sheet 132 correspondingly abuts against the cavity plate protrusion 125 on the cavity plate 12, the valve hole 131 is disposed at the converging concave sheet 132 and is closed by the cavity plate protrusion 125, and the discharging concave sheet 133 correspondingly abuts against the bus plate protrusion 114 on each bus plate bearing set region 11c of the bus plate 11 and closes the discharging port 116.

Certainly, in the embodiment, in order to enable the valve sheet 13 to be disposed between the cavity plate 12 and the bus plate 11 for stable positioning and no deviation, the cavity plate 12 is respectively provided with a plurality of tenon joints 127 on the first surface 12a of the cavity plate, the valve sheet 13 is supported on the first surface 12a of the cavity plate 12, and a positioning hole 134 is disposed at a position corresponding to the tenon joints 127, and the bus plate 11 is supported on the valve sheet 13, and a tenon joint hole 117 is disposed at a position corresponding to the positioning hole 134 of the valve sheet 13, so that the valve sheet 13 can correspondingly penetrate into the positioning hole 134 of the valve sheet 13 by using the tenon joints 127 of the cavity plate 12 when the valve sheet 13 is disposed between the bus plate 11 and the cavity plate 12, and then is embedded in the tenon joint hole 117 of the bus plate 11, so that the valve sheet 13 is positioned without deviation.

Referring to fig. 9A, 9B, and 10A to 10E, the gas transmission device 2 controls the gas flow, is disposed in the receiving frame groove 122 of the cavity plate 12 to seal the flow collecting chamber 123, and is operated to transmit the gas into the flow collecting chamber 123, and the gas transmission device 2 is formed by sequentially stacking a flow inlet plate 21, a resonance plate 22, a piezoelectric actuator 23, a first insulation plate 24, a conductive plate 25, and a second insulation plate 26, wherein the flow inlet plate 21 has at least one flow inlet hole 21a, at least one bus groove 21B, and a bus chamber 21c, the flow inlet hole 21a is used for introducing the gas, the flow inlet hole 21a correspondingly penetrates through the bus groove 21B, and the bus groove 21B is connected to the bus chamber 21c, so that the gas introduced from the flow inlet hole 21a can be connected to the bus chamber 21 c. In the present embodiment, the number of the inflow holes 21a and the number of the bus bar grooves 21b are the same, the number of the inflow holes 21a and the number of the bus bar grooves 21b are respectively 4, and not limited thereto, the 4 inflow holes 21a respectively penetrate through the 4 bus bar grooves 21b, and the 4 bus bar grooves 21b are converged into the bus bar chamber 21 c.

The above-mentioned resonator plate 22 can be assembled on the flow inlet plate 21 by means of adhesion, and the resonator plate 22 has a hollow hole 22a, a movable portion 22b and a fixed portion 22c, the hollow hole 22a is located at the center of the resonator plate 22 and corresponds to the confluence chamber 21c of the flow inlet plate 21, the movable portion 22b is disposed at the area around the hollow hole 22a and opposite to the confluence chamber 21c, and the fixed portion 22c is disposed at the outer peripheral edge portion of the resonator plate 22 and is adhered and fixed on the flow inlet plate 21.

The piezoelectric actuator 23 includes a suspension plate 23a, a frame 23b, at least one support 23c, a piezoelectric element 23d, at least one gap 23e, and a protrusion 23 f. The suspension plate 23a is a square suspension plate, the suspension plate 23a is square, compared with the design of a circular suspension plate, the structure of the square suspension plate 23a obviously has the advantage of power saving, the consumed power of the square suspension plate 23a is increased along with the increase of the frequency due to the capacitive load operated under the resonance frequency, and the relative consumed power of the square suspension plate 23a is obviously lower due to the fact that the resonance frequency of the square suspension plate 23a is obviously lower than that of the circular suspension plate, namely, the square suspension plate 23a adopted in the scheme has the benefit of power saving; the outer frame 23b is disposed around the outer side of the suspension plate 23 a; at least one bracket 23c connected between the suspension plate 23a and the outer frame 23b to provide a supporting force for elastically supporting the suspension plate 23 a; the piezoelectric element 23d has a side length which is less than or equal to one side length of the suspension plate 23a, and the piezoelectric element 23d is attached to one surface of the suspension plate 23a and used for receiving voltage to drive the suspension plate 23a to perform bending vibration; at least one gap 23e is formed among the suspension plate 23a, the outer frame 23b and the bracket 23c for air to pass through; the protrusion 23f is disposed on the other surface of the suspension plate 23a opposite to the surface attached with the piezoelectric element 23d, and in this embodiment, the protrusion 23f may be a protrusion integrally formed on the other surface of the suspension plate 23a opposite to the surface attached with the piezoelectric element 23d by using an etching process on the suspension plate 23 a.

The flow inlet plate 21, the resonator plate 22, the piezoelectric actuator 23, the first insulating plate 24, the conducting plate 25 and the second insulating plate 26 are sequentially stacked and combined, wherein a cavity space 27 needs to be formed between the suspension plate 23a and the resonator plate 22, and the cavity space 27 can be formed by filling a material in a gap between the resonator plate 22 and the outer frame 23b of the piezoelectric actuator 23, for example: the conductive adhesive, but not limited thereto, can maintain a certain depth between the resonator plate 22 and the suspension plate 23a to form the cavity space 27, and further can guide the gas to flow more rapidly, and because the suspension plate 23a and the resonator plate 22 keep a proper distance, the mutual contact interference is reduced, and the noise can be reduced, and certainly in some embodiments, the height of the outer frame 23b of the high voltage electric actuator 23 can be added to reduce the thickness of the conductive adhesive filled in the gap between the resonator plate 22 and the outer frame 23b of the piezoelectric actuator 23, so as to form the cavity space 27, so that the overall structural assembly of the gas transmission device 2 is not influenced indirectly by the hot pressing temperature and the cooling temperature, and the influence of the filling material of the conductive cold-shrink adhesive on the actual distance of the cavity space 27 after molding due to the thermal expansion factor can be avoided, but not limited thereto; in addition, the chamber space 27 will affect the transmission effect of the gas transmission device 2, so it is important to maintain a fixed chamber space 27 for providing stable transmission efficiency of the gas transmission device 2, therefore, as shown in fig. 9A, in other embodiments, the suspension plate 23a may be formed by stamping so as to extend outward by a distance adjusted by at least one bracket 23c formed between the suspension plate 23a and the outer frame 23b, so that the surface of the protrusion 23f on the suspension plate 23a and the surface of the outer frame 23b on the same side form a non-coplanar surface, i.e. the surface of the protrusion 23f is away from the resonator plate 22 and not on the same plane as the surface of the outer frame 23b, and a small amount of filling material is coated on the assembly surface of the outer frame 23b (i.e. the surface on the same side as the protrusion 23 f), for example: the conductive adhesive is used for adhering the piezoelectric actuator 23 to the fixing part 22c of the resonator plate 22 in a hot pressing manner, so that the piezoelectric actuator 23 can be assembled and combined with the resonator plate 22, and thus, the structural improvement of forming a cavity space 27 by directly stamping the suspension plate 23a of the piezoelectric actuator 23 is directly adopted, the required cavity space 27 can be completed by adjusting the stamping distance of the suspension plate 23a of the piezoelectric actuator 23, the structural design of adjusting the cavity space 27 is effectively simplified, and the advantages of simplifying the manufacturing process, shortening the manufacturing process time and the like are achieved. In addition, the first insulating sheet 24, the conducting sheet 25 and the second insulating sheet 26 are all frame-shaped thin sheets, and are sequentially stacked on the piezoelectric actuator 23 to form the whole structure of the gas transmission device 2 of the micro-pump.

In order to understand the output actuation manner of the gas transmission provided by the gas transmission device 2, please refer to fig. 10C to 10E, please refer to fig. 10C first, the piezoelectric element 23d of the piezoelectric actuator 23 is deformed after being applied with the driving voltage to drive the suspension plate 23a to displace toward the direction away from the resonator plate 22, at this time, the volume of the chamber space 27 is raised, a negative pressure is formed in the chamber space 27, so as to draw the gas in the confluence chamber 21C into the chamber space 27, and the resonator plate 22 is synchronously displaced under the influence of the resonance principle, which increases the volume of the confluence chamber 21C, and the gas in the confluence chamber 21C is also in a negative pressure state due to the relationship that the gas in the confluence chamber 21C enters the chamber space 27, and further, the gas is sucked into the confluence chamber 21C through the inlet hole 21a and the confluence groove 21 b; referring to fig. 10D, the piezoelectric element 23D drives the suspension plate 23a to move toward the resonance plate 22 to compress the chamber space 27, and similarly, the resonance plate 22 moves due to resonance with the suspension plate 23a to force the gas in the chamber space 27 to be pushed synchronously to be transmitted through the gap 23e, so as to achieve the effect of transmitting the gas; referring to fig. 10E, when the suspension plate 23a is driven to return to the state of not being driven by the piezoelectric element 23d, and the resonance plate 22 is also driven to move away from the flow inlet plate 21, at this time, the resonance plate 22 compresses the gas in the chamber space 27 and moves the gas toward the gap 23e, and the volume in the confluence chamber 21c is increased to make the gas continuously pass through the inflow hole 21a and the confluence groove 21b to be converged in the confluence chamber 21c, by repeating the gas transmission operation steps provided by the gas transmission device 2 shown in fig. 10C to 10E, the gas transmission device 2 can continuously introduce gas from the inlet hole 21a into the flow channel formed by the flow inlet plate 21 and the resonator 22 to generate a pressure gradient, and then transmit the gas upward through the gap 23E, so that the gas flows at a high speed, thereby achieving the operation of outputting the gas transmitted by the gas transmission device 2.

Referring to fig. 10A, the air inlet plate 21, the resonator plate 22, the piezoelectric actuator 23, the first insulating plate 24, the conductive plate 25 and the second insulating plate 26 of the gas delivery device 2 can be manufactured by micro-electromechanical surface micromachining technology to reduce the volume of the gas delivery device 2, so that the gas delivery device 2 forms a micro-pump of a micro-electromechanical system.

In the blood pressure measuring module of the present application, a plurality of gas transmission devices 2 are disposed in parallel and sealed on one side of a module body 1, and the module body 1 is connected to an airbag 4 by a manifold 11, a plurality of cavity plates 12 and a plurality of valve plates 13 to form a blood pressure measuring device 10, as shown in fig. 8A, when the plurality of gas transmission devices 2 operate simultaneously, gas is supplied to a manifold chamber 123 of the cavity plate 12, passes through a communication hole 124 of the cavity plate 12 to push the valve plate 13 to be separated from a state of abutting against a cavity plate protrusion 125, in the present embodiment, the gas pushes a manifold concave part 132 of the valve plate 13 to be separated, so that the manifold concave part 132 is separated from the state of abutting against the cavity plate protrusion 125, the supplied gas passes through a valve hole 131 of the valve plate 13 and flows to a manifold groove 113 of the manifold 11, and the gas in the manifold chamber 123 of the cavity plate 12 can also contact the valve plate 13 through a second communication hole 126 to push a flow discharging concave part 133 of the valve plate 13 to collide against the manifold plate protrusion 114 to seal the, the gas is communicated to the guiding groove 112 through the converging groove 113, and then flows into the converging outlet 111 concentrated on the converging plate 11 for collecting and outputting, therefore, the gas output by the module body 1 is guided and connected to the air bag 4 through the converging outlet 111 and is rapidly expanded to form the blood pressure measuring operation, and the pressure of the gas collected in the air bag 4 is monitored through the sensor 3, and the blood pressure information of the monitored user is calculated. Referring to fig. 8B, when all the gas delivery devices 2 are not operated, the gas flows into the confluence groove 113 through the confluence opening 111 and the guiding groove 112 of the confluence plate 11, and then flows into the relief groove 115 through the guiding groove 112 to push the valve plate 13 to be away from the protruding portion 114 of the confluence plate, in this embodiment, the relief groove 133 of the gas push valve plate 13 is away from the protruding portion 114 of the confluence plate, the relief opening 116 is opened, and the gas is discharged out of the confluence plate 11 through the relief opening 116, so as to perform a pressure relief operation.

As shown in fig. 1 and fig. 11, the blood pressure measuring module further includes a driving circuit board 5, an optical sensor 6a, a three-axis acceleration sensor 6b, a microprocessor 7 and a communicator 8. The gas transmission device 2, the sensor 3, the optical sensor 6a, the three-axis acceleration sensor 6b, the microprocessor 7 and the communicator 8 are all packaged and arranged on the driving circuit board 5 for electrical connection, the microprocessor 7 provides driving signals of the gas transmission device 2, the sensor 3, the optical sensor 6a, the three-axis acceleration sensor 6b and the communicator 8, controls the driving operation of the gas transmission device 2, receives signals measured by the sensor 3 and the optical sensor 6a, calculates and converts the signals into information data, and transmits the information data to an external connecting device 9 through the communicator 8 for storage and recording so as to further analyze and count, thereby further understanding the physiological health condition of a wearing user. The communicator 8 can be a wired transmission, such as a USB transmission, a mini-USB transmission or a micro-USB transmission, but not limited thereto; in other embodiments, the communicator 8 may also be a wireless transmission, such as Wi-Fi transmission, bluetooth transmission, Radio Frequency Identification (RFID) transmission, or Near Field Communication (NFC) transmission, but not limited thereto; the communicator 8 may further include both wired transmission and wireless transmission, and the data transmission type thereof may be changed according to the actual implementation situation, and any implementation mode that can transmit the physiological information of the wearing user stored in the microprocessor 7 to the external connection device 9 is within the protection scope of the present application and will not be described further. In the embodiment, the external connection devices 9 may be, but not limited to, a cloud system, a portable device, a computer system …, etc., the external connection devices 9 mainly receive the physiological information of the wearing user transmitted by the blood pressure measurement module of the present application, and may perform further analysis and comparison on the information through an Artificial Intelligence (AI) program learned by themselves in a statistical manner to form upper and lower limit blood pressure ranges meeting medical standards, and when the detected blood pressure value exceeds the upper and lower limit blood pressure ranges, the detected blood pressure value may be immediately fed back to the blood pressure measurement device 10 formed by the blood pressure measurement module of the present application, and an alarm notification is provided to further understand the physiological health condition of the wearing user.

The optical sensor 6a receives the light source reflected back after the transmitted light source transmits to the skin tissue and generates a detection signal, so as to achieve a photoplethysmography (PPG) measurement principle, and provides the same to the microprocessor 7 to be converted into health data information for output, wherein the health data information can comprise a heart rate data, an electrocardiogram data and a blood pressure data, the optical measurement can also achieve a blood pressure measurement mode, although the measurement can be performed at any time every minute and every second, the health data information obtained by monitoring is obtained through algorithm adjustment and calibration, and is not directly measured in an inflatable measurement mode, so that the accuracy is not enough, in view of the above, the blood pressure measurement module particularly provides an inflatable measurement mode which is suitable for being implemented on a wearable device to achieve blood pressure, obtains an accurate blood pressure measurement value, and can use the measurement value as the initial correction of the photoelectric blood pressure measurement, assisted confirmation of Heart Rate Variability (HRV), Atrial Fibrillation (AF); that is, when the optical sensor 6a starts the first measurement, the blood pressure measurement module of the present embodiment is implemented to implement the inflatable blood pressure measurement mode, and the obtained health data information is used as the calculation of the measurement and correction basis of the optical sensor 6a, so that the optical sensor 6a can compensate after each measurement, thereby achieving the purpose of outputting the health data information which is measured more accurately. In addition, when the wearer has a situation, such as falling detection, a signal can be detected by the three-axis acceleration sensor 6b, and is directly transmitted to the microprocessor 7 to control the driving of the gas transmission device 2 so as to expand the air bag 4, so that the blood pressure measurement operation is carried out, the pressure of gas gathered in the air bag 4 is monitored by the sensor 3, and the blood pressure information of the monitored user is calculated; or the blood pressure and the blood oxygen of the user can be sensed by the optical sensor 6a when abnormal, the microprocessor 7 receives the abnormal condition of the signal measured by the optical sensor 6a, directly controls the driving of the gas transmission device 2 to expand the air bag 4 so as to measure the blood pressure, monitors the pressure of the gas gathered in the air bag 4 or the pressure contacted with the skin of the user by the sensor 3, calculates the blood pressure information of the monitored user, provides more reliable data reference to know the health information of the user when the condition occurs, can timely report the treatment or the treatment measure of the rescue, and has great utilization value.

In the embodiment, the blood pressure measuring device 10 formed by the blood pressure measuring module can be automatically inflated and measure the blood pressure once every 5 minutes to 60 minutes under the control of the microprocessor 7, a wearing user can also set the blood pressure measuring device 10 by himself for storage and recording so as to carry out further analysis statistics, thereby a continuous blood pressure result can be displayed in a manner of convenient operation for the wearing user, and the health condition of the wearing user can be known, meanwhile, the blood pressure measuring module directly adopts an inflatable blood pressure measuring manner, an optical blood pressure measuring manner detected by the optical sensor 6a and an optical blood pressure measuring manner, and an external connecting device 9 can be connected with an Artificial Intelligence (AI) program for self-learning to analyze and monitor for 24 hours, if abnormal, the abnormal blood pressure measuring module is fed back and transmitted to the blood pressure measuring device 10 formed by the blood pressure measuring module to start the driving of the gas transmission device 2 so as to expand the air bag 4 to form The accurate blood pressure measurement operation obtains the correct blood pressure data information, provides the wearing user with the knowledge of the health condition, and can provide warning notice in time if the obtained blood pressure data information is abnormal, thereby having great utilization value.

In summary, the present invention provides a blood pressure measuring module, which can be easily implemented in a blood pressure measuring device, and can be calibrated by directly measuring blood pressure with an inflatable type and an optical type blood pressure measuring method detected by an optical sensor, so as to obtain the most accurate blood pressure measurement value information, and can be connected to a self-learning Artificial Intelligence (AI) procedure through an external connection device, thereby taking charge of 24-hour analysis and monitoring, having the functions of abnormal feedback and alarm, and having great industrial utilization benefits.

Various modifications may be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims.

Claims

1. A blood pressure measurement module, comprising:

at least one module body connected with an air bag for controlling the inflation and deflation of the air bag;

at least one gas delivery device controlling gas flow;

at least one sensor for monitoring changes in gas pressure in the bladder or pressure in contact with the skin of the user;

the gas transmission device is driven to form gas transmission, gas is guided into the module main body and gathered to the air bag, the air bag is expanded to measure the blood pressure, the pressure of the gathered gas in the air bag or the pressure of the gathered gas contacting with the skin of a user is monitored through the sensor, and the blood pressure information of the monitored user is calculated.

2. The blood pressure measurement module of claim 1, wherein the gas transmission device is one of a micro pump, an actuator, and a quartz oscillator.

3. The blood pressure measuring module of claim 1, wherein the blood pressure measuring module comprises a plurality of the gas transmission devices, and the plurality of the gas transmission devices are connected in parallel and are covered on one side of the module body, and are connected with the air bag together to form a blood pressure measuring device.

4. The blood pressure measurement module of claim 3, wherein the module body comprises:

a confluence plate, which is provided with a confluence outlet and a guide groove, which are mutually communicated, and a plurality of confluence plate bearing block areas are divided on the confluence plate, each confluence plate bearing block area is respectively provided with a confluence groove, a confluence plate convex part, a flow discharging groove and a flow discharging outlet, the guide groove is communicated with the confluence groove of each confluence plate bearing block area, the confluence groove and the flow discharging groove are mutually communicated, the confluence groove is convexly arranged in the flow discharging groove and is surrounded by the flow discharging groove, and the flow discharging outlet is arranged at the center of the confluence plate convex part;

the collecting plate is arranged on each cavity plate, a flow guide cavity and a bearing frame groove are concavely arranged in each collecting plate bearing area of the cavity plate corresponding to the collecting plate, the flow guide cavity corresponds to the collecting groove of the collecting plate and is communicated with each other, the flow guide cavity and the bearing frame groove are respectively arranged on different surfaces opposite to each other, a flow collecting cavity is arranged at the bottom of the bearing frame groove, at least one through hole is arranged at the bottom of the flow collecting cavity and is communicated with the flow guide cavity in a penetrating way, a cavity plate convex part is arranged in the flow guide cavity, the periphery of the cavity plate convex part surrounds the through hole, and a second through hole is arranged at the position, corresponding to the flow discharging groove of the collecting plate, of each cavity plate and is communicated with the flow collecting cavity; and

the valve plates are arranged between the bus board and the cavity board, correspondingly abut against the cavity board convex part in the cavity board, a valve hole is arranged at the position corresponding to the cavity board convex part and is sealed by the cavity board convex part, and the valve plates correspondingly abut against the bus board convex part on each bus board bearing group area of the bus board to seal the discharge outlet;

when the plurality of gas transmission devices operate simultaneously, the gas is supplied and guided in from the flow collecting cavity of the cavity plate so as to push the valve plate to be out of the state of abutting against the convex part of the cavity plate, and the gas is enabled to flow into the confluence groove of the confluence plate communicated with the flow guide cavity through the valve hole of the valve plate and then to flow into the confluence outlet through the guide groove in a centralized manner to be output in a confluence manner.

5. The blood pressure measuring module of claim 4, wherein when the plurality of gas transmission devices are not operated, the gas in the confluence opening of the confluence plate flows into the confluence groove through the guiding groove, and pushes the valve plate to displace, so that the valve hole of the valve plate abuts against the cavity plate protrusion to be closed, the gas flows into the relief groove through the guiding groove, so as to push the valve plate corresponding to the relief groove to be out of abutment against the confluence plate protrusion, thereby opening the relief opening, and discharging the gas out of the confluence plate through the relief opening to perform a relief operation.

6. The blood pressure measuring module of claim 4, wherein the valve plate has a first contact surface and a second contact surface, and the valve plate has a converging concave portion and a discharging concave portion between the first contact surface and the second contact surface and corresponding to the chamber plate, respectively, and the converging concave portion and the discharging concave portion do not protrude from the first contact surface and the second contact surface, and the converging concave portion correspondingly abuts against the chamber plate convex portion of the chamber plate, and the valve hole is disposed at the position of the converging concave portion and is closed by the chamber plate convex portion, and the discharging concave portion correspondingly abuts against the converging plate convex portion of the converging plate to close the discharging outlet.

7. The blood pressure measuring module of claim 4, wherein the cavity plate has a plurality of latches, the valve plate is disposed on the first surface of the cavity plate and has a positioning hole corresponding to each latch, the bus plate is disposed on the valve plate and has a latch hole corresponding to each positioning hole of the valve plate, the valve plate is disposed between the bus plate and the cavity plate, each latch of the cavity plate correspondingly extends into each positioning hole of the valve plate and is then inserted into each latch hole of the bus plate, so that the valve plate is not biased.

8. The blood pressure measurement module of claim 3, wherein the gas delivery device is a micro-pump comprising:

the inflow plate is provided with at least one inflow hole, at least one bus groove and a confluence chamber, wherein the inflow hole is used for introducing gas, the inflow hole correspondingly penetrates through the bus groove, and the bus groove is converged to the confluence chamber, so that the gas introduced by the inflow hole can be converged to the confluence chamber;

a resonance sheet, which is connected on the flow inlet plate and is provided with a hollow hole, a movable part and a fixed part, wherein the hollow hole is positioned at the center of the resonance sheet and corresponds to the confluence chamber of the flow inlet plate, the movable part is arranged at the area around the hollow hole and opposite to the confluence chamber, and the fixed part is arranged at the outer peripheral part of the resonance sheet and is attached on the flow inlet plate; and

a piezoelectric actuator, which is jointed on the resonance sheet and correspondingly arranged;

the resonant diaphragm and the piezoelectric actuator have a cavity space therebetween, so that when the piezoelectric actuator is driven, gas is introduced from the inflow hole of the inflow plate, collected into the collecting chamber through the collecting groove, and then flows through the hollow hole of the resonant diaphragm, and resonant transmission gas is generated by the piezoelectric actuator and the movable portion of the resonant diaphragm.

9. The blood pressure measurement module of claim 8, wherein the piezoelectric actuator comprises:

the suspension plate is in a square shape and can be bent and vibrated;

an outer frame surrounding the suspension plate;

at least one bracket connected between the suspension plate and the outer frame to provide elastic support for the suspension plate; and

the piezoelectric element is attached to one surface of the suspension plate and used for receiving voltage to drive the suspension plate to vibrate in a bending mode.

10. The blood pressure measuring module of claim 8, wherein the micro pump comprises a first insulating plate, a conducting plate and a second insulating plate, wherein the flow inlet plate, the resonance plate, the piezoelectric actuator, the first insulating plate, the conducting plate and the second insulating plate are sequentially stacked and combined.

11. The blood pressure measurement module of claim 9, wherein the suspension plate includes a protrusion disposed on another surface of the suspension plate opposite to the surface attached to the piezoelectric element.

12. The blood pressure measuring module of claim 11, wherein the suspension plate includes a protrusion formed integrally on a surface of the suspension plate opposite to the surface attached to the piezoelectric element by etching.

13. The blood pressure measurement module of claim 8, wherein the piezoelectric actuator comprises:

the suspension plate is in a square shape and can be bent and vibrated;

an outer frame surrounding the suspension plate;

at least one bracket, which is connected and formed between the suspension plate and the outer frame to provide the suspension plate with elastic support, and a surface of the suspension plate and a surface of the outer frame form a non-coplanar structure, and a cavity space is kept between the surface of the suspension plate and the resonator plate; and

the piezoelectric element is attached to one surface of the suspension plate and used for applying voltage to drive the suspension plate to vibrate in a bending mode.

14. The blood pressure measurement module of claim 3, wherein the gas delivery device is a micro-pump of a micro-electro-mechanical system.

15. The blood pressure measuring module of claim 3, wherein the air bag is disposed at the bottom of the blood pressure measuring device and is retracted and hidden to form a flat surface.

16. The blood pressure measuring module of claim 3, wherein the blood pressure measuring device is configured with a wearing member, and the air bag is disposed inside the wearing member and is retracted and hidden to form a flat surface.

17. The blood pressure measuring module of claim 3, wherein the air bag is disposed at the bottom of the blood pressure measuring device and is hidden to form a flat surface, and the sensor is disposed outside the air bag.

18. The blood pressure measurement module of claim 17, wherein the sensor is an array of pressure sensors, and wherein the monitoring of the artery of the user is performed using an applanation scan to calculate blood pressure information for the monitored user.

19. The blood pressure measuring module of claim 16, wherein the wearing member is a flexible annular band-shaped structure for encircling one of a wrist, an arm and a foot of a user.

20. The blood pressure measuring module of claim 16, wherein the wearing member is a ring-shaped band structure made of a rigid material and is configured to be fitted around one of a wrist, an arm and a foot of a user.

21. The blood pressure measuring module of claim 3, further comprising a driving circuit board, an optical sensor, a three-axis acceleration sensor, a microprocessor and a communicator, wherein the gas transmission device, the sensor, the optical sensor, the three-axis acceleration sensor, the microprocessor and the communicator are packaged on the driving circuit board for electrical connection, and the microprocessor provides driving signals for the gas transmission device, the sensor, the optical sensor, the three-axis acceleration sensor and the communicator, controls the driving operation of the gas transmission device, receives the signals measured by the sensor and the optical sensor, converts the signals into information data, and transmits the information data to an external connecting device for storage via the communicator, The information is recorded for further analysis and statistics so as to further understand the physiological health condition of the wearing user.

22. The blood pressure measuring module of claim 21, wherein the communicator is a wired transmission, and is one of a USB transmission, a mini-USB transmission, and a micro-USB transmission.

23. The blood pressure measurement module of claim 21, wherein the communicator is a wireless transmission, and is one of a Wi-Fi transmission, a bluetooth transmission, a radio frequency identification transmission (RFID), and a near field communication transmission (NFC).

24. The blood pressure measurement module of claim 21, wherein the communicator includes both wired and wireless transmission.

25. The blood pressure measuring module of claim 21, wherein the external connection device is one of a cloud system, a portable device, and a computer system.

26. The blood pressure measuring module of claim 21, wherein the external connection device receives the physiological information of the wearer transmitted by the blood pressure measuring module and further analyzes and compares the physiological information through a statistical self-learning Artificial Intelligence (AI) process.

27. The blood pressure measurement module of claim 26, wherein the self-learning Artificial Intelligence (AI) process analyzes the user to form upper and lower blood pressure ranges that meet medical standards, and immediately feeds back to the blood pressure measurement device to provide warning notification when the upper and lower blood pressure ranges are exceeded, thereby providing better understanding of the physical health of the wearing user.

28. The blood pressure measuring module of claim 21, wherein the optical sensor receives the emitted light reflected back from the skin tissue of the user and generates a detection signal to be provided to the microprocessor for converting to a health data information output.

29. The blood pressure measurement module of claim 28, wherein the health data information includes one of heart rate data, electrocardiogram data and blood pressure data.

30. The blood pressure measuring module of claim 29, wherein the blood pressure measuring device implements the calculation of the pressure of the gas collected in the air bag by the sensor, and the pressure of the gas transmitted by the gas transmission device to inflate the air bag, so as to calculate the accurate blood pressure measurement value of the monitored user, and use the measurement value as the basis for the initial measurement and correction of the blood pressure measured by the optical sensor, so as to allow the auxiliary measurement of Heart Rate Variability (HRV) and Atrial Fibrillation (AF) to confirm and compensate, thereby achieving the purpose of outputting more accurate health data information.

31. The module of claim 21, wherein the three-axis accelerometer detects signals directly transmitted to the microprocessor to control the driving of the gas transmission device to inflate the air bag for blood pressure measurement, and the pressure of the gas collected in the air bag is monitored by the sensor to calculate the blood pressure information of the monitored user, so as to know the health information of the user when the condition occurs, and to notify the user of the treatment or the response of the rescue measures.

32. The module of claim 21, wherein the optical sensor senses abnormal blood pressure and blood oxygen of the user, the microprocessor receives the abnormal status of the signal measured by the optical sensor, directly controls the driving of the gas transmission device to inflate the air bag for blood pressure measurement, monitors the pressure of the gas collected in the air bag via the sensor, and calculates the blood pressure information of the monitored user to know the health information of the user when the status occurs, so as to notify the user of the treatment or the rescue measures in real time.

33. The module of claim 21, wherein the microprocessor controls the driving of the gas transmission device every 5 to 60 minutes to inflate the air bag for measuring blood pressure once, and the collected gas in the air bag monitors the measurement signal from the sensor, the microprocessor receives the measurement signal from the sensor and converts the measurement signal into information data, and the information data is transmitted to the external device via the communicator for storage and recording for further analysis and statistics, so that the continuous blood pressure results can be displayed in a convenient way for the wearer to know the health condition of the wearer.