TWI662949B - Patch-type devices of monitoring cardiac output signals and methods of monitoring cardiac output signals - Google Patents

Abstract

The invention provides a patch-type cardiac output signal monitoring device, including: an ultrasonic sensor for sensing a signal; an ultrasonic conductive patch attached to the ultrasonic sensor, and the ultrasonic transmission A patch is located between the ultrasonic sensor and the skin and is used to conduct the signal; a circuit device is connected to the ultrasonic sensor to process the signal to obtain a cardiac output signal, and then the A circuit device outputs the cardiac output signal to a mobile terminal, and the circuit device provides a driving electrical signal for driving the ultrasonic sensor; a patch is provided to cover the ultrasonic sensor and the circuit Device and attach it to the skin. The invention replaces the previous large-scale ultrasonic machine, the whole process is simple to operate, and the purpose of monitoring at any time can be achieved. The invention also provides a method for monitoring cardiac output signals using a patch-type cardiac output signal monitoring device.

Description

SMD type cardiac output signal monitoring device and method for monitoring cardiac output signal

The invention relates to a patch type cardiac output signal monitoring device and a method for monitoring the cardiac output signal by using a patch type cardiac output signal monitoring device.

At present, there are many instruments in the medical market that use the ultrasonic principle to detect the health status of the test subject, but they are still mainly large-scale machines.

Ultrasound examination uses ultra-high frequency sound waves to pass through the human body. Because different tissues reflect sound waves at different levels, after collecting these reflected waves, the precise calculation of the computer displays the structure of the internal tissues for doctors to judge normal or abnormal. At present, the operation of large-scale machines is complicated and requires professionals to operate. The scale of the instrument is large, which is not convenient to carry and use at home.

In view of the above, it is necessary to provide a portable and easy-to-use monitoring device.

The invention provides a patch-type cardiac output signal monitoring device. The patch-type cardiac output signal monitoring device includes: an ultrasonic sensor for sensing a signal; an ultrasonic conductive patch attached to the ultrasonic wave On the sensor, the ultrasonic conducting patch is located between the ultrasonic sensor and the skin, and is configured to conduct the signal; A circuit device connected to the ultrasonic sensor for processing the signal to obtain a cardiac output signal, and then the circuit device outputs the cardiac output signal to a mobile terminal, and the circuit device provides driving the A driving electric signal of the ultrasonic sensor; a covering patch covering the ultrasonic sensor and the circuit device, and attached to the skin.

Further, the cardiac output signal includes at least one of a heartbeat, a maximum blood flow rate, and a single pulse blood delivery volume.

Further, it further includes a covering device, which is disposed in the covering patch and covers the ultrasonic sensor and the circuit device, and the covering device is a flexible material.

Further, the ultrasonic sensor has a stacked structure, and the stacked structure includes an upper layer structure and a lower layer structure, and the width of the upper layer structure is smaller than the width of the lower layer structure, and the ultrasonic sensor is disposed on the circuit device. Up and through the circuit device, the upper layer structure is connected to the circuit device, and the lower layer structure protrudes from the circuit device and resists on the circuit device.

Further, the ultrasonic sensor has an integrated structure, the ultrasonic sensor has an upper surface and a lower surface, and the width of the upper surface and the lower surface is the same, and the ultrasonic sensor is arranged On the circuit device.

Further, the ultrasonic sensor has the same width as the ultrasonic conductive patch, and a slot is provided on the circuit device, and the ultrasonic sensor and the ultrasonic conductive patch are fixed in the slot. sheet.

Further, an outer periphery of the ultrasonic sensor is connected to the circuit device, the lower surface protrudes from the circuit device, and the ultrasonic conductive patch is attached to the lower surface.

Further, the circuit device is a flexible circuit board, the flexible circuit board is bent to adapt to the curvature of the skin surface, and an insulating layer is provided on a side of the flexible circuit board near the skin.

Further, the circuit device is provided with a signal processing module and a signal transmission module, the signal processing module processes the signal to obtain a cardiac output signal, and the signal transmission module sends the cardiac output signal to the The mobile terminal, and receives a signal from the mobile terminal.

The present invention also uses the above-mentioned patch-type cardiac output signal monitoring device to monitor a cardiac output signal, including the following steps: attaching the patch-type cardiac output signal monitoring device to the skin; obtaining a cardiac output signal; and outputting said The heart outputs a signal to the mobile terminal.

The patch-type cardiac output signal monitoring device provided by the present invention covers other components through the patch and directly adheres closely to human skin, thereby replacing the previous large-scale ultrasonic machine, and transmitting the measurement result to the mobile terminal. The process is easy to operate and can be monitored at any time.

100, 200, 300‧‧‧‧ SMD type cardiac output signal monitoring device

1‧‧‧ Ultrasonic Sensor

11‧‧‧ Superstructure

12‧‧‧ Substructure

21‧‧‧ Top surface

22‧‧‧ lower surface

2‧‧‧Circuit device

3‧‧‧ battery

4‧‧‧ coating device

5‧‧‧ Overlay patch

6‧‧‧ Ultrasonic Conduction Patch

7‧‧‧ mobile terminal

8‧‧‧ Human skin

In order to make the above-mentioned objects, features, and advantages of the present invention more comprehensible, the following describes specific embodiments of the present invention in detail with reference to the accompanying drawings, in which: FIG. 1 is a patch type cardiac output signal monitoring provided by Embodiment 1 of the present invention Vertical view of the device 100.

FIG. 2 is a longitudinal sectional view of a patch-type cardiac output signal monitoring device 200 according to a second embodiment of the present invention.

FIG. 3 is a longitudinal sectional view of a patch-type cardiac output signal monitoring device 300 according to a third embodiment of the present invention.

FIG. 4 is a top view of a patch-type cardiac output signal monitoring device 300 according to a third embodiment of the present invention.

FIG. 5 is a schematic diagram of a patch-type cardiac output signal monitoring device 100 used on human skin according to the first embodiment of the present invention.

FIG. 6 is a flowchart of a method for monitoring a cardiac output signal by using the above-mentioned patch-type cardiac output signal monitoring device 100 according to an embodiment of the present invention.

For simplicity and clarity of explanation, where appropriate, the same reference numerals have been repeatedly used to indicate corresponding or similar elements in different drawings. In addition, to provide a thorough and in-depth understanding of the embodiments described herein, many specific details are mentioned in the description. However, those skilled in the art can understand that the embodiments described herein may also be operated without following these specific details. In other cases, in order not to confuse the technical features being described, some methods, processes and components have not been described in detail. The drawings do not necessarily need to be the same as the actual size. In order to better explain the details and technical characteristics, the display scale of certain parts in the drawings may be enlarged. The description in the specification should not be considered as limiting the scope of the embodiments described herein.

At present, the main devices for monitoring cardiac output on the market mainly include large-scale ultrasonic diagnostic instruments. During operation, the large-scale ultrasonic diagnostic instruments are mainly attached to the human skin by a doctor holding an ultrasonic sensor, and the ultrasonic The sonic sensor sends ultrasonic waves and receives reflected waves, and analyzes the reflected waves to form information materials and images. This operation process needs to be performed in a hospital by a professional medical staff, and the professional medical staff needs to hold the ultrasonic sensor completely on the human skin for a long time, and the operation process is relatively troublesome and complicated.

The invention provides a patch-type cardiac output signal monitoring device, including: an ultrasonic sensor for sensing a signal; an ultrasonic conductive patch attached to the ultrasonic sensor, and the ultrasonic transmission A patch is located between the ultrasonic sensor and the skin and is used to conduct the signal; a circuit device is connected to the ultrasonic sensor to process the signal to obtain a cardiac output signal, and then the A circuit device outputs the cardiac output signal to a mobile terminal, and the circuit device provides a driving electrical signal for driving the ultrasonic sensor; a patch is provided to cover the ultrasonic sensor and the circuit Device and attach it to the skin.

In the embodiment of the present invention, the cardiac output signal includes at least one of a heartbeat, a maximum blood flow rate, and a single pulse blood delivery volume.

Please refer to FIG. 1, a patch-type cardiac output signal monitoring device 100 according to a first embodiment of the present invention. The patch-type cardiac output signal monitoring device 100 includes an ultrasonic sensor 1, a circuit device 2, a battery 3, a covering device 4, a covering patch 5, and an ultrasonic conducting patch 6.

The ultrasonic sensor 1 is used for sensing signals; the ultrasonic conductive patch 6 is provided with the ultrasonic conductive patch 6, and the ultrasonic conductive patch 6 It is attached to one end of the ultrasonic sensor 1 and the ultrasonic conductive patch 6 is located between the ultrasonic sensor 1 and the human skin 8 when the patch-type cardiac output signal monitoring device 100 is used, and is closely attached to the human body The skin 8 is used to conduct the signal; the circuit device 2 is connected to the ultrasonic sensor 1, the circuit device 2 is used to process the signal, obtain a cardiac output signal, and then output the cardiac output signal To a mobile terminal 7 (see FIG. 5), and the circuit device 2 provides a driving electric signal for driving the ultrasonic sensor 1; the battery 3 is connected to the circuit device 2 and is provided in the The upper part of the ultrasonic sensor 1 is used as a working power source of the patch-type cardiac output signal monitoring device 100. The battery 3 is disposed above the ultrasonic sensor 1, which can reduce the area of the entire device and make the entire device More compact; the covering device 4 is disposed on the covering patch In 5, the ultrasonic sensor 1, the circuit device 2 and the battery 3 are covered, and the covering device 4 is a flexible material, which has a certain deformability and plays a role of protecting elements. It can also increase user comfort. In this embodiment, the material of the covering device 4 is silicon, plastic or rubber; the covering patch 5 covers the ultrasonic sensor 1 and the circuit. The device 2, the battery 3 and the covering device 4 are attached to the human skin 8. The covering patch 5 covers the design of other components, which facilitates the attachment and removal of the entire device during use, and enables the ultrasonic sensor 1 to be brought into closer contact with the skin, thereby improving the accuracy of monitoring. The covering patch 5 is composed of a soft material, such as a medical-grade patch material, to increase user comfort.

Referring to FIG. 1, the number of the ultrasonic sensors 1 in this embodiment is one and has a square shape. In this embodiment, the number of the ultrasonic sensors 1 is not limited to one, and for example, there may be multiple , Respectively disposed on the circuit device 2 to jointly sense a signal, at this time, a main sensor may be provided to surround the An auxiliary sensor of the main sensor to realize the auxiliary function of the main sensor; the shape of the ultrasonic sensor 1 may also be a triangle, a circle or an ellipse.

Referring again to FIG. 1, the ultrasonic sensor 1 is a laminated structure including an upper layer structure 11 and a lower layer structure 12, and the upper layer structure 11 and the lower layer structure 12 are bonded by an adhesive. The width of the upper structure 11 is smaller than the width of the lower structure 12. The ultrasonic sensor 1 is disposed on the circuit device 2 and passes through the circuit device 2. The upper structure 11 is connected to the circuit device 2. The lower structure 12 protrudes from the circuit device 2 and resists the circuit device 2. The laminated structure facilitates the assembly and bonding of the ultrasonic sensor 1; at the same time, during the measurement, it is convenient to apply a force to the ultrasonic sensor 1 according to the measurement condition, so that the ultrasonic sensor 1 It is more tightly attached to the skin, and when the ultrasonic conducting patch 6 is attached, the ultrasonic sensor 1 and the circuit device 2 are more tightly connected, and it is not easy to fall off.

In other embodiments, the periphery of the lower-layer structure 12 may be connected to the circuit device 2, so that a part of the lower-layer structure 12 protrudes from the circuit device 2, and the upper-layer structure 11 is located on the circuit device 2. Above.

Further, the ultrasonic sensor 1 is configured to transmit an ultrasonic wave and receive a reflected ultrasonic wave. The signal detected by the ultrasonic sensor 1 is an ultrasonic signal, and is specifically a reflected wave signal of an ultrasonic wave. The structure of the ultrasonic sensor 1 mainly includes a piezoelectric material, an electrode sheet, and a housing. The piezoelectric material is sandwiched between two electrode sheets, and the piezoelectric material can be attached to a thermoplastic polymer material. In addition, the thermoplastic polymer material may be an acrylonitrile-styrene-butadiene copolymer (abbreviated as "ABS"), and the thermoplastic polymer material is located in the ultrasonic sensor 1 as a conductive medium. , Which is beneficial to the conduction of the ultrasonic wave generated by the ultrasonic sensor 1. The casing covers the piezoelectric material and the electrode sheet.

The circuit device 2 generates a pulse signal to the ultrasonic sensor 1, and generates an electric field between the upper and lower electrode pieces in the ultrasonic sensor 1. The electric field generates an electric field force, which drives the upper and lower two electrodes. The piezoelectric material between the two electrode pads vibrates, thereby emitting an ultrasonic wave. The frequency of the ultrasonic wave generated by the ultrasonic sensor 1 is 1.0 to 2.5 MHz. The ultrasonic wave is reflected by the internal tissue to generate a reflected wave. The ultrasonic sensor 1 receives the reflected wave, and then transmits the reflected wave signal to the circuit device 2.

Referring again to FIG. 1, the ultrasonic conductive patch 6 may not be wrapped in the coating device 4, which is convenient for timely replacement to maintain hygiene. The ultrasonic conductive patch 6 is made of a polymer resin material. In this embodiment, the use of the ultrasonic conductive patch 6 is superior to the gels and pastes commonly used in the market, because the patch-type cardiac output signal monitoring device 100 is attached to human skin for a period of time. Can avoid the phenomenon of overflow when using gels and pastes, so that it will not contaminate clothing. In other implementations, the ultrasonic sensor 1 may be coated with a paste for the ultrasonic sensor or a film for the ultrasonic sensor to achieve the function of transmitting an ultrasonic signal.

Further, the circuit device 2 is a flexible circuit board, and the flexible circuit board can adapt to the curvature of the skin surface, so that the curvature of the flexible circuit board can be adjusted to make the entire device more fit the human skin 8 . It can be understood that the circuit device 2 may also be a printed circuit board. In this embodiment, an insulating layer is provided on the side of the circuit device 2 near the skin of a pregnant woman, which can avoid the influence of the circuit device 2 on the human body. In other embodiments, a silicon rubber or a medical-grade plastic may be provided on the side of the circuit device 2 near the skin to achieve the same purpose.

In this embodiment, the battery 3 is disposed above the ultrasonic sensor 1. In other embodiments, the battery 3 is not limited to be disposed above the ultrasonic sensor 1, for example, The battery 3 and the ultrasonic sensor 1 may be disposed side by side on the circuit device 2 so that the entire device is flatter and is more convenient for attaching to human skin. The battery 3 may be disposed on the circuit device 2. Above or below the circuit device 2, or the battery 3 may pass through the circuit device 2 to be connected to the circuit device 2.

The circuit device 2 is provided with a signal processing module and a signal transmission module. The signal processing module processes the reflected wave signal received by the ultrasonic sensor 1, and the signal transmission module sends the signal via the signal transmission module. The reflected wave signal processed by the signal processing module is the cardiac output signal to the mobile terminal 7, and the signal transmission module receives the signal from the mobile terminal 7. Preferably, the signal transmission module is a Bluetooth device. Understandably, other wireless transmission methods, such as the use of Wifi, are within the protection scope of the present invention.

It can be understood that, for example, the process of the signal processing module processing the reflected wave signal may include: an analog-to-digital converter (ADC) in the signal processing module converts the ultrasonic sensor 1 The received reflected wave signal is converted into a digital signal form that is easier to store, process, and transmit, wherein the reflected wave signal carries signals such as temperature, pressure, sound, or image; and then passes through the product in the signal processing module. The body circuit stores and processes the digital signals, and further obtains cardiac output signals such as heartbeat, maximum blood flow rate, and single pulse blood delivery volume. After frequency conversion, the signals are transmitted to the mobile terminal 7 through the signal transmission module. In other embodiments of the present invention, the process of the signal processing module processing the reflected wave signal may not be limited to this.

The mobile terminal 7 may be a mobile phone, a computer, a smart bracelet, or other mobile terminals. An application is set in the mobile terminal 7 to analyze and calculate signals sent by the signal transmission module, and to display images or data intuitively. The mobile terminal 7 may also send instructions to the signal transmission module of the circuit device 2, and the signal transmission module transmits the instructions to the ultrasonic sensor 1 to operate the instructions. In this embodiment, the instruction may be an opening or closing instruction to control the opening or closing of the ultrasonic sensor 1. In other embodiments, the instruction is not limited to the opening or closing instruction, and other instructions are also Within the scope of the present invention.

The patch-type cardiac output signal monitoring device 100 further includes a switch (not shown), which controls the opening or closing of the patch-type cardiac output signal monitoring device 100. When the switch is turned on, the patch-type cardiac output signal monitoring device 100 may receive an instruction from the mobile terminal 7, and when the switch is turned off, the patch-type cardiac output signal monitoring device 100 stops working.

It can be understood that in the patch-type cardiac output signal monitoring device 100, the area of the ultrasonic sensor 1 is mainly based on body measurement requirements, and the battery 3 is matched with the ultrasonic sensing The size of the device 1. The covering patch 5 is mainly based on that the covering device 4 can be completely attached to human skin 8. In the embodiment of the present invention, the covering patch 5 may be rectangular, figure-eight, gourd-shaped, hand-shaped, butterfly-shaped, or circular, and the shape of the covering device 4 is adapted to the shape of the covering patch 5. Shape settings.

Please refer to FIG. 2, a patch-type cardiac output signal monitoring device 200 according to a second embodiment of the present invention. Compared with the first embodiment, the main difference is that in this embodiment, the ultrasonic sensor 1 has an integrated structure, and the ultrasonic sensor 1 has an upper surface 21 and a lower surface 22, and the upper surface 21 and the lower surface 22 have the same width, and a slot is provided in the circuit device 2, and the slot is fixed in the slot. The ultrasonic sensor 1 and the ultrasonic conductive patch 6. The overall structure design makes the volume of the entire device more compact. The ultrasonic transmission patch 6 is arranged in the groove, which can enhance the tightness of the attachment of the ultrasonic transmission patch 6 and the ultrasonic sensor 1. . In this embodiment, the lower surface of the ultrasonic conductive patch 6 and the lower surface of the covering device 4 are on a plane, and may also protrude from the lower surface of the covering device 4. The other structures in this embodiment are the same as those in the first embodiment, and details are not described herein again.

Please refer to FIG. 3 and FIG. 4, a patch-type cardiac output signal monitoring device 300 according to a third embodiment of the present invention. Compared with the first embodiment, the main difference is that the ultrasonic sensor 1 has an integrated structure. The ultrasonic sensor 1 has an upper surface 21 and a lower surface 22, and the upper surface 21 and the lower surface. The width of 22 is the same; in a different system from the second embodiment, the outer periphery of the ultrasonic sensor 1 is connected to the circuit device, and one end of the ultrasonic sensor 1 is an end of the lower surface 22, Protruding from the circuit device 2, the ultrasonic conductive patch 6 is attached to the lower surface 22 of the ultrasonic sensor, and the ultrasonic conductive patch 6 is not in contact with the circuit device 2. In this embodiment, the ultrasonic transmission patch 6 may not be covered in the covering device 4, and the area of the ultrasonic transmission patch 6 is slightly larger than the horizontal size of the ultrasonic sensor 1. With a cross-sectional area (see FIG. 4), the ultrasonic sensor 1 protrudes from the circuit device 2, so that the ultrasonic sensor 1 can be closely attached to the skin. The other structures in this embodiment are the same as those in the first embodiment, and details are not described herein again.

The manufacturing method of the patch type cardiac output signal monitoring device provided by the embodiment of the present invention includes the following steps: the ultrasonic sensor 1 and the battery 3 are connected to the circuit device 2 respectively; and the covering device 4 covers the ultrasonic sensor 1, the battery 3, and the circuit device 2; the coating patch 5 covers the ultrasonic sensor 1, the circuit device 2, and the battery 3 and the covering device 4; the ultrasonic conducting patch 6 is attached to one end of the ultrasonic sensor 1; wherein the ultrasonic sensor 1, the ultrasonic conducting patch 6 and The positional relationship between the circuit device 2 and the covering device 4 is set according to different embodiments of the present invention.

Referring to FIG. 5 and FIG. 6, an embodiment of the present invention further provides a method for monitoring a cardiac output signal by using the patch-type cardiac output signal monitoring device 100, including the following steps: S101: pasting the patch-type cardiac output signal monitoring device 100 Attached to the human skin 8; S102: obtaining a cardiac output signal; S103: outputting the cardiac output signal to the mobile terminal 7.

As shown in FIG. 5, in this embodiment, the patch-type cardiac output signal monitoring device 100 may be used to be attached to the skin of a human heart. It can be understood that the patch-type cardiac output signal monitoring device 100 can also be used to be attached to the skin of the wrist. When in use, the ultrasonic sensor 1 in the patch-type cardiac output signal monitoring device 100 needs to be aligned with the heart part or the wrist pulse for close attachment.

It can be understood that the patch-type cardiac output signal monitoring device provided by other embodiments of the present invention, such as the patch-type cardiac output signal monitoring device 200 and the patch-type cardiac output signal monitoring device 300, can be applied to this method.

In the present invention, other components are covered by the covering patch 5 and directly attached to the human skin 8 directly, thereby replacing the previous large ultrasonic machine and transmitting the measurement results to the mobile terminal. The entire process is simple and can be implemented. The purpose of monitoring at any time.

The above embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above embodiment. The above embodiment is only used to explain the claims. However, the protection scope of the present invention is not limited to the description. Any change or replacement that can be easily conceived by those skilled in the art within the technical scope disclosed by the present invention is included in the protection scope of the present invention.

Claims (6)

A patch-type cardiac output signal monitoring device includes an ultrasonic sensor for sensing a signal. The ultrasonic sensor has a laminated structure, and the laminated structure includes an upper structure and a lower structure, and the upper structure The width is smaller than the width of the underlying structure; the ultrasonic conductive patch is attached to the ultrasonic sensor, and the ultrasonic conductive patch is located between the ultrasonic sensor and the skin for transmitting A circuit device connected to the ultrasonic sensor for processing the signal to obtain a cardiac output signal, and then the circuit device outputs the cardiac output signal to a mobile terminal, and the circuit device provides A driving signal for driving the ultrasonic sensor, the ultrasonic sensor is disposed on the circuit device and passes through the circuit device, the upper structure is connected to the circuit device, and the lower layer The structure protrudes from the circuit device and bears on the circuit device; a covering patch covers the ultrasonic sensor and the circuit device, and is attached to the skin. The patch-type cardiac output signal monitoring device according to claim 1, wherein the cardiac output signal includes at least one of a heartbeat, a maximum blood flow rate, and a single pulse blood delivery volume. The patch-type cardiac output signal monitoring device according to claim 1, further comprising a covering device, wherein the covering device is disposed in the covering patch and covers the ultrasonic sensor and the The circuit device, the covering device is a flexible material. The patch-type cardiac output signal monitoring device according to claim 1, wherein the circuit device is a flexible circuit board, and the flexible circuit board is bent to adapt to the curvature of the skin surface, and the flexibility An insulation layer is provided on a side of the circuit board near the skin. The patch-type cardiac output signal monitoring device according to claim 1, wherein the circuit device is provided with a signal processing module and a signal transmission module, and the signal processing module processes the signal to obtain a cardiac output signal The signal transmission module sends the cardiac output signal to the mobile terminal, and receives the signal sent by the mobile terminal. A method for monitoring a cardiac output signal using the patch-type cardiac output signal monitoring device according to claim 1, including the following steps: attaching the patch-type cardiac output signal monitoring device to the skin; obtaining a cardiac output signal; Shuxin outputs signals to the mobile terminal.