CN114515167A - Surface mount type acquisition device and physiological parameter acquisition system - Google Patents
Surface mount type acquisition device and physiological parameter acquisition system Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/56—Details of data transmission or power supply
- A61B8/565—Details of data transmission or power supply involving data transmission via a network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The invention relates to a patch type acquisition device and a physiological parameter acquisition system, which are used for acquiring physiological parameters of an object, wherein the patch type acquisition device comprises a Bluetooth chip, a driving module, a demodulation module and an acquisition module, wherein the driving module is connected between the Bluetooth chip and the acquisition module and is used for driving the acquisition module to send acquisition signals under the control of the Bluetooth chip, and the acquisition signals act on the object; the demodulation module is connected between the acquisition module and the Bluetooth chip and used for receiving a feedback signal fed back by the object according to the acquired signal, demodulating the feedback signal to obtain a demodulation signal and sending the demodulation signal to the Bluetooth chip, so that the Bluetooth chip sends the demodulation signal to the host through the audio transmission channel, and the host obtains physiological parameters of the object according to the demodulation signal. The Bluetooth chip is small in size and low in power consumption, and when the Bluetooth chip is installed on the patch type collecting device, the size of the patch type collecting device can be greatly reduced, and the power consumption of a product is reduced.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a patch type acquisition device and a physiological parameter acquisition system.
Background
Blood circulation is the core mechanism for normal operation of human life. Generally, the blood circulation system is constituted by the heart, arteries, veins, capillary system, and the like. For patients with cardiovascular disease, it is necessary to monitor the state of the disease by measuring the blood circulation state of the blood vessels.
The ultrasonic Doppler technology can non-invasively detect blood flow related parameters by utilizing the Doppler effect, so that the blood circulation state can be detected. The ultrasonic doppler effect refers to a physical phenomenon in which relative motion between an ultrasonic wave source and an observed object causes frequency shift of an echo. By means of the doppler effect, a plurality of blood flow parameters can be calculated for clinical diagnosis. However, the existing ultrasonic doppler detection device has large volume and is inconvenient to use.
Disclosure of Invention
In order to solve the technical problem, the invention provides a patch type acquisition device, which is used for acquiring physiological parameters of an object, and comprises a bluetooth chip, a driving module, a demodulation module and an acquisition module, wherein: one end of the driving module is connected with the first end of the Bluetooth chip, the other end of the driving module is connected with one end of the acquisition module, the driving module is used for driving the acquisition module to send an acquisition signal under the control of the Bluetooth chip, and the acquisition signal acts on the object; one end of the demodulation module is connected with the other end of the acquisition module, the other end of the demodulation module is connected with the second end of the Bluetooth chip, the demodulation module is used for receiving a feedback signal fed back by the object according to the acquisition signal, demodulating the feedback signal to obtain a demodulation signal, and sending the demodulation signal to the Bluetooth chip, so that the Bluetooth chip sends the demodulation signal to a host through an audio transmission channel, and the host obtains the physiological parameters of the object according to the demodulation signal.
In one embodiment, the system further comprises a frequency generation module, wherein the frequency generation module is used for outputting a driving frequency to the driving module so that the driving module drives the acquisition module according to the driving frequency; the frequency generation module is further configured to output a demodulation frequency to the demodulation module, so that the demodulation module demodulates the feedback signal according to the demodulation frequency to obtain the demodulation signal.
In one embodiment, the driving frequency is the same as the center frequency of the acquisition module, and the demodulation frequency is 4 times the driving frequency.
In one embodiment, the frequency generation module is disposed in the bluetooth chip.
In one embodiment, the frequency generation module is externally arranged on the Bluetooth chip.
In one embodiment, the acquisition module includes an ultrasonic probe, and the ultrasonic probe includes a transmitting wafer and a receiving wafer, the transmitting wafer is used for transmitting an ultrasonic signal, the ultrasonic signal acts on the object, and the receiving wafer is used for receiving the feedback signal, and the feedback signal is an ultrasonic signal reflected back by the object.
In one embodiment, the bluetooth chip further comprises a wireless communication unit for performing wireless communication with the host.
In one embodiment, the bluetooth chip further comprises a power supply module, wherein one end of the power supply module is connected with the bluetooth chip, and the other end of the power supply module is connected with the driving module, and the power supply module is used for supplying power to the bluetooth chip and the driving module.
In a second aspect, the present application provides a physiological parameter collecting system, which includes the patch type collecting device; the physiological parameter acquisition system further comprises a host computer, wherein the host computer is in communication connection with the patch type acquisition device and is used for receiving the demodulation signal sent by the patch type acquisition device and acquiring the physiological parameter according to the demodulation signal.
In one embodiment, the physiological parameter acquisition system further comprises a server, the server is in communication connection with the host, and the server is used for storing the physiological parameters of the subject sent by the host.
Above-mentioned SMD collection system carries out signal acquisition through adopting the bluetooth chip as main control chip, and the bluetooth chip is small, the low power dissipation, and when the bluetooth chip was installed to SMD collection system on, can greatly reduce SMD collection system's volume, reduced the consumption of product. Meanwhile, the transmission rate of the Bluetooth audio is high, and the ultrasonic Doppler frequency offset data can be well transmitted to the host so that the host can analyze and calculate.
Drawings
Fig. 1 is a schematic block diagram of a patch type acquisition device according to an embodiment of the present application;
fig. 2 is a schematic view of a scene in which a patch type acquisition device provided in an embodiment of the present application is attached to an object;
fig. 3 is a schematic block diagram of a patch type pickup apparatus according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of a patch type acquisition device according to a specific example of the present application;
fig. 5 is a block diagram of a physiological parameter acquisition system according to an embodiment of the present application.
Detailed Description
In order to make the technical solution and advantages of the present invention more comprehensible, a detailed description is given below by way of specific examples. Wherein the figures are not necessarily to scale, and certain features may be exaggerated or minimized to more clearly show details of the features; unless defined otherwise, technical and scientific terms used herein have the same meaning as those in the technical field to which this application belongs.
As shown in fig. 1, the present application provides a patch type acquisition device 10 for acquiring physiological parameters of a subject. The patch type collecting device 10 comprises a bluetooth chip 110, a driving module 120, a demodulation module 130 and a collecting module 140. One end of the driving module 120 is connected to the first end of the bluetooth chip 110, the other end of the driving module 120 is connected to one end of the collecting module 140, and the driving module is configured to drive the collecting module 140 to send a collecting signal under the control of the bluetooth chip 110, where the collecting signal acts on an object. One end of the demodulation module 130 is connected to the other end of the acquisition module 140, the other end of the demodulation module 130 is connected to the second end of the bluetooth chip 110, and the demodulation module 130 is configured to receive a feedback signal fed back by the object according to the acquired signal and demodulate the feedback signal to obtain a demodulated signal. The demodulation module 30 also transmits the demodulated signal to the bluetooth chip 110. The bluetooth chip 110 receives the demodulated signal and then sends the demodulated signal to the host through the audio transmission channel, so that the host can calculate the physiological parameters of the object according to the demodulated signal.
Specifically, the patch type wireless collecting device 10 may be attached to a detection surface of a subject, for example, to the skin of the subject, for detecting a physiological parameter, especially a blood flow parameter, of the subject. In this embodiment, as shown in fig. 2, the patch-type wireless collecting device 10 may be attached to the carotid artery of the subject to collect the carotid artery blood flow parameters of the subject.
Currently, it is common to clinically acquire blood flow parameters of a subject acquired from the subject's aortic blood flow. However, the aorta is located at the heart of the human body, and it is difficult to find a fixed probe point by a physician's manipulation, so that when a patch type collecting device is attached to an object, a probe point and a probe angle which can be fixedly detected cannot be found, which results in inaccurate collected parameters, and continuous detection of blood flow parameters cannot be realized due to unfixed probe point. And carotid blood flow and aorta blood flow have stronger relevance, and the carotid blood flow is located human neck, and SMD detection device can paste in neck, fixed probe point and detection angle. Therefore, the patch type wireless collection device 10 in the present embodiment is mainly used for being attached to the neck of a subject to collect carotid artery blood flow parameters of the subject.
In one embodiment, the patch-type collection device 10 can collect blood flow parameters of a subject by ultrasound. Specifically, the acquisition module 140 may be an ultrasonic probe, where the ultrasonic probe includes a transmitting wafer and a receiving wafer, the transmitting wafer is used to transmit an ultrasonic signal to a subject, the ultrasonic signal is reflected by blood after acting on flowing blood, the receiving wafer is used to receive a feedback signal reflected back, and the feedback signal is also an ultrasonic signal. Due to the flow of blood, there is a frequency change between the ultrasonic signal transmitted by the transmitting cell and the ultrasonic signal received by the receiving cell, from which a blood flow parameter can be calculated.
In one embodiment, as shown in fig. 3, the patch type collecting apparatus 10 further includes a frequency generating module 150, and the frequency generating module 150 is configured to output a driving frequency, so that the driving module 120 drives the collecting module 150 according to the driving frequency. The frequency generation module 150 is further connected to the demodulation module 130, and is configured to output the demodulation frequency to the demodulation module 130, so that the demodulation module 130 obtains the demodulation signal according to the demodulation frequency.
Specifically, the frequency generation module 150 may be a separate logic chip, which is externally disposed on the bluetooth chip 110, for generating the corresponding frequency. Alternatively, the frequency generation module 150 may be built in the bluetooth chip 110. That is, when the bluetooth chip 110 does not have the frequency output power, a logic chip for generating the frequency may be set in the patch type collecting device 10 to generate the corresponding frequency. When the bluetooth chip 110 has an output frequency matched with the center frequency of the ultrasound probe, the external logic chip may not be used, and the frequency of the bluetooth chip may be directly used to perform differential signal change and output the differential signal change to the driving module 120 and the demodulation module 130.
In this application, the driving module 120 is used to drive the transmitting wafer of the ultrasonic probe, so that the transmitting wafer generates an ultrasonic signal. The demodulation module 130 may be an I/Q demodulation circuit, and may demodulate the ultrasonic signal received by the receiving die to output a demodulation signal, where the demodulation signal is the ultrasonic signal reflected back by the blood flow. The frequency of the demodulated signal is a frequency offset of the ultrasonic frequency emitted by the emitting die.
Further, the driving frequency of the driving module 120 is consistent with the center frequency of the ultrasonic probe, and the demodulation frequency of the demodulation module 130 is 4 times of the driving frequency, so that the working efficiency of the ultrasonic probe can be improved. As a specific example, when the center frequency of the ultrasonic probe is 4MHz, then the driving frequency is also 4MHz, and the demodulation frequency is 16 MHz.
As shown in fig. 3, the patch type collecting device 10 further includes an analog signal processing module 160, the analog signal processing module 160 is connected between the demodulation module 130 and the bluetooth chip 110, and the analog signal processing module 160 is configured to receive the demodulated signal output by the demodulation module 130 and process the demodulated signal. Generally, the analog signal processing module 160 mainly performs low-pass filtering, high-pass filtering, and signal amplification processing, and outputs the processed demodulated signal to the bluetooth chip 110. Wherein the low pass filtering of the demodulated signal may be processed prior to demodulation by the demodulation module 130.
In this embodiment, the processed demodulated signal is ultrasonic doppler frequency offset data, and the ultrasonic doppler frequency offset data is sound data, so that the processed feedback signal can be transmitted to the bluetooth chip 110 through the audio transmission channel of the bluetooth chip. The sampling rate of the demodulated signal by the bluetooth chip 110 may be set according to the acquisition capability of the bluetooth audio channel. After receiving the demodulated signal, the bluetooth chip 110 may perform signal compression on the demodulated signal, and transmit the compressed signal to the host 20, so that the host 20 processes the signal to obtain the blood flow parameter from the reflected ultrasonic signal. In this embodiment, the bluetooth chip further includes a wireless communication unit, configured to perform wireless communication with the host 10, so as to transmit the compressed demodulated signal to the host 10. The wireless communication mode comprises Bluetooth communication. Preferably, the bluetooth chip 110 in this embodiment may be a bluetooth headset chip.
In one embodiment, the patch type collecting device 10 further includes a power supply module 170 for supplying power to the driving module 120 and the bluetooth chip 110. The power supply module 170 includes a charging circuit 171 and a battery 172, and the charging circuit 171 may be connected to a charging device, and the charging device charges the battery 172 through the charging circuit. The patch type collecting device 10 further includes a display module 180 for indicating the working state of the patch type collecting device 10, such as the charging state, the power on/off state, and the like.
As shown in fig. 4, after the patch type acquisition device 10 is powered on, the frequency generator generates a driving frequency and a demodulation frequency respectively, where the driving frequency is output to the ultrasonic driving circuit, and the demodulation frequency is output to the I/Q demodulation circuit. The drive frequency may be 4MHz and the demodulation frequency may be 16 MHz. The ultrasonic probe comprises a transmitting wafer and a receiving wafer, the ultrasonic driving circuit drives the transmitting wafer to transmit ultrasonic signals to a blood vessel of a subject, and the receiving wafer receives the ultrasonic signals reflected by the blood vessel. The reflected ultrasonic signals are output to the I/Q demodulation circuit after being subjected to low-pass filtering, the I/Q demodulation circuit demodulates the reflected ultrasonic signals to output demodulation signals, the demodulation signals are output to the Bluetooth chip after being processed by the high-pass filtering circuit and the signal amplification circuit, the Bluetooth chip receives the demodulation signals through the audio data acquisition port, and transmits the demodulation signals to an external host through Bluetooth after being processed, so that the host can process the demodulation signals perfectly, and relevant blood flow parameters are obtained.
Above-mentioned SMD collection system adopts the bluetooth chip as main control chip, and the bluetooth chip is small, low power consumption, when the bluetooth chip is installed to SMD collection system on, can greatly reduce SMD collection system's volume, reduces the consumption of product. Meanwhile, the transmission rate of the Bluetooth audio is high, and the ultrasonic Doppler frequency offset data can be well transmitted to the host so that the host can analyze and calculate.
As shown in fig. 5, another embodiment of the present application provides a physiological parameter collecting system, which includes the patch type collecting device 10. The physiological parameter acquisition system further comprises a host 20, wherein the host 20 is in communication connection with the patch type acquisition device 10, and the host 20 is used for receiving the demodulation signal sent by the patch type acquisition device 10 and acquiring the physiological parameter according to the demodulation signal.
The host 20 comprises a processor 21, and the processor is connected with the patch type acquisition device 10 through bluetooth. After receiving the demodulated signal, the processor 21 performs preprocessing on the demodulated signal, then performs digital filtering, and performs fast fourier transform on the filtered signal to obtain the frequency spectrum of the demodulated signal. Meanwhile, the processor 21 further performs envelope extraction on the filtered demodulated signal to obtain an envelope of the filtered demodulated signal, and then calculates a blood flow parameter according to the frequency spectrum and the envelope of the demodulated signal. In this embodiment, the processor 21 may be an intelligent tablet, a computer or other host system, and has a bluetooth transmission function, and can receive an audio signal through bluetooth.
Further, the physiological parameter collecting system further includes a server 30, the server 30 is in communication connection with the host 20, for example, through ethernet, WIFI or a server, and the host 20 remotely transmits the calculated data to the server 30 for storage, so that a user can remotely obtain the blood flow parameters collected by the patch type collecting device 10 by accessing the server 30. It should be understood that the above embodiments are exemplary and are not intended to encompass all possible implementations encompassed by the claims. Various modifications and changes may also be made on the basis of the above embodiments without departing from the scope of the present disclosure. Likewise, various features of the above embodiments may be arbitrarily combined to form additional embodiments of the present invention that may not be explicitly described. Therefore, the above examples only represent some embodiments of the present invention, and do not limit the scope of the present invention.
Claims (10)
1. The utility model provides a SMD collection system, its characterized in that, SMD collection system is used for gathering the physiological parameter of object, SMD collection system includes bluetooth chip, drive module, demodulation module and collection module, wherein:
one end of the driving module is connected with the first end of the Bluetooth chip, the other end of the driving module is connected with one end of the acquisition module, the driving module is used for driving the acquisition module to send an acquisition signal under the control of the Bluetooth chip, and the acquisition signal acts on the object;
one end of the demodulation module is connected with the other end of the acquisition module, the other end of the demodulation module is connected with the second end of the Bluetooth chip, the demodulation module is used for receiving a feedback signal fed back by the object according to the acquisition signal, demodulating the feedback signal to obtain a demodulation signal, and sending the demodulation signal to the Bluetooth chip, so that the Bluetooth chip sends the demodulation signal to a host through an audio transmission channel, and the host obtains the physiological parameters of the object according to the demodulation signal.
2. The patch type collection device according to claim 1, further comprising a frequency generation module, wherein the frequency generation module is configured to output a driving frequency to the driving module, so that the driving module drives the collection module according to the driving frequency;
the frequency generation module is further configured to output a demodulation frequency to the demodulation module, so that the demodulation module demodulates the feedback signal according to the demodulation frequency to obtain the demodulation signal.
3. The patch type pickup device according to claim 2, wherein the driving frequency is the same as a center frequency of the pickup module, and the demodulation frequency is 4 times the driving frequency.
4. The patch type collection device according to claim 2, wherein the frequency generation module is disposed in the bluetooth chip.
5. The patch type collection device according to claim 2, wherein the frequency generation module is externally disposed on the bluetooth chip.
6. The patch type collecting device according to claim 1, wherein the collecting module comprises an ultrasonic probe, the ultrasonic probe comprises a transmitting wafer and a receiving wafer, the transmitting wafer is used for transmitting an ultrasonic signal, the ultrasonic signal acts on the object, the receiving wafer is used for receiving the feedback signal, and the feedback signal is an ultrasonic signal reflected by the object.
7. The patch type collection device according to claim 1, wherein the bluetooth chip further comprises a wireless communication unit, and the wireless communication unit is configured to wirelessly communicate with the host.
8. The patch type collection device according to claim 1, further comprising a power supply module, wherein one end of the power supply module is connected to the bluetooth chip, and the other end of the power supply module is connected to the driving module, and is configured to supply power to the bluetooth chip and the driving module.
9. A physiological parameter acquisition system, comprising the patch type acquisition device of any one of claims 1-7;
the physiological parameter acquisition system further comprises a host computer, wherein the host computer is in communication connection with the patch type acquisition device and is used for receiving the demodulation signal sent by the patch type acquisition device and acquiring the physiological parameter according to the demodulation signal.
10. A physiological parameter acquisition system according to claim 9, further comprising a server in communication with said host, said server for storing said subject's physiological parameters transmitted by said host.
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| CN202210126081.4A CN114515167B (en) | 2022-02-10 | 2022-02-10 | Patch type acquisition device and physiological parameter acquisition system |
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| US20190059848A1 (en) * | 2017-08-24 | 2019-02-28 | General Electric Company | Method and system for enhanced ultrasound image acquisition using ultrasound patch probes with interchangeable brackets |
| US20190065489A1 (en) * | 2017-08-24 | 2019-02-28 | General Electric Company | Method and system for assigning, routing, and unassigning data flows of ultrasound patch probes |
| WO2020176830A1 (en) * | 2019-02-28 | 2020-09-03 | The Regents Of The University Of California | Integrated wearable ultrasonic phased arrays for monitoring |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106137255A (en) * | 2016-07-21 | 2016-11-23 | 深圳大学 | A Bluetooth-based full-digital Doppler fetal heart rate wireless probe and detection method |
| US20190059848A1 (en) * | 2017-08-24 | 2019-02-28 | General Electric Company | Method and system for enhanced ultrasound image acquisition using ultrasound patch probes with interchangeable brackets |
| US20190065489A1 (en) * | 2017-08-24 | 2019-02-28 | General Electric Company | Method and system for assigning, routing, and unassigning data flows of ultrasound patch probes |
| CN109419530A (en) * | 2017-08-24 | 2019-03-05 | 通用电气公司 | The enhancing acquiring ultrasound image method and system popped one's head in using the ultrasonic patch with commutative bracket |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 215200 east of Chang'an Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province (room 111, building 1, Wujiang science and technology entrepreneurship Park, 2358 Chang'an Road) Applicant after: Suzhou Shengzhi Medical Technology Co.,Ltd. Address before: 215200 east of Chang'an Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province (room 111, building 1, Wujiang science and technology entrepreneurship Park, 2358 Chang'an Road) Applicant before: Suzhou Shengze Medical Technology Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |