CN108742691A - Flexible heart sound monitoring device - Google Patents
Flexible heart sound monitoring device Download PDFInfo
- Publication number
- CN108742691A CN108742691A CN201810319820.5A CN201810319820A CN108742691A CN 108742691 A CN108742691 A CN 108742691A CN 201810319820 A CN201810319820 A CN 201810319820A CN 108742691 A CN108742691 A CN 108742691A
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- CN
- China
- Prior art keywords
- heart sound
- cardiechema signals
- cavity
- resonator
- processing component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
Abstract
This disclosure relates to which a kind of flexibility heart sound monitoring device, described device include：Sensory package, processing component and flexible substrates.Sensory package includes heart sound transducer and resonator, and for being amplified cardiechema signals, heart sound transducer is used to carry out piezoelectricity conversion to the cardiechema signals of amplification resonator, obtains detection signal；Processing component is used to carry out signal processing to detection signal, obtains detection data；Flexible substrates are fabricated from a flexible material, for carrying the sensory package and the processing component.According to the flexible heart sound monitoring device of all aspects of this disclosure, amplify cardiechema signals by resonator, and detected object can be facilitated to carry come the various components of bogey by flexible substrates, and higher accuracy of detection is kept during detected object is carried.
Description
Technical field
This disclosure relates to medical detection technology more particularly to a kind of flexible heart sound monitoring device.
Background technology
Cardiechema signals are one of most important physiological hurts of human body, it contain about heart atrium, ventricle, angiocarpy and
A large amount of useful informations of the state of each valve are enough to generate other symptoms and mark (such as when angiocardiopathy not yet develops to
Patient's pain sensation, ECG exceptions etc.) before, effective early diagnosis information can be obtained from heart sound.
Traditional cardiophony has certain limitation, is strongly dependent on the subjective factor of auscultation personnel, such as passes through
Test abundant degree, hearing quality etc., and can not store heart sound to be played back, can not intuitively show heart sound image, no
Collected heart sound can be handled.The diagnosis of early stage cardiac disease needs doctor continuously to carry out auscultation to measurand, listens
Examining the time is generally up to several minutes, reduces diagnosis efficiency, is delayed Case treatment.
The problem of current electronics heart sound detection device, is to be only capable of to be detected in consulting room, and equipment heaviness can not be carry-on
It carries, stethoscope can not be bonded with human skin, it is difficult to accomplish long term monitoring.
Invention content
In view of this, the present disclosure proposes a kind of flexible heart sound monitoring devices.
According to the one side of the disclosure, a kind of flexible heart sound monitoring device is provided, described device includes：Sensory package,
Processing component and flexible substrates,
The sensory package includes heart sound transducer and resonator, and the resonator is used to believe the heart sound of detected object
It number is amplified, the heart sound transducer is used to carry out piezoelectricity conversion to the cardiechema signals of amplification, obtains detection signal；
The processing component is used to carry out signal processing to the detection signal, obtains detection data；
The flexible substrates are fabricated from a flexible material, for carrying the sensory package and the processing component.
In one possible implementation, the resonator includes shell and acoustic impedance matching layer, in the shell
Cavity and conduction pathway are formed, one end of the conduction pathway connects the cavity, and the heart sound transducer is arranged in the other end,
The acoustic impedance matching layer is used to match the acoustic impedance between the detected object and the cavity；
The cavity is for amplifying the cardiechema signals；
The conduction pathway is for conducting the cardiechema signals of amplification to the heart sound transducer.
In one possible implementation, the shell of the resonator is hollow U-shaped structure, the acoustic impedance match
Layer is arranged in one end of the U-shaped structure, and the other end in the U-shaped structure is arranged in the heart sound transducer.
In one possible implementation, the resonator includes shell and acoustic impedance matching layer, in the shell
Cavity is formed, the heart sound transducer is arranged in the cavity,
The acoustic impedance matching layer is used to match the acoustic impedance between the detected object and the cavity；
The cavity is for amplifying the cardiechema signals so that the heart sound transducer detects the cardiechema signals of amplification.
In one possible implementation, the shell of the resonator is dome structure, wherein the heart sound transducer
It is arranged at the top of the dome structure, the acoustic impedance matching layer is arranged in the bottom of the dome structure.
In one possible implementation, described device further includes：Connection component, for connect the sensory package and
The processing component,
Wherein, the connection component includes conducting wire and connecting node,
The connecting node is for connecting a plurality of conducting wire, wherein a plurality of conducting wire connected by the connecting node it is total
Length is more than the distance between the sensory package and the processing component；
The conducting wire is used for transmission the detection signal.
In one possible implementation, the sensory package is for detecting mitral area, pulmonary area, aorta
At least one of the cardiechema signals of the first area of auscultation of valve, the second area of auscultation of aorta petal and tricuspid valve area.
In one possible implementation, the processing component carries out signal processing to the detection signal, obtains inspection
Measured data includes：Processing is amplified to the detection signal successively, is filtered and analog-to-digital conversion process, testing number is obtained
According to.
In one possible implementation, described device further includes：Terminal, for obtaining the detection data, and root
Cardiechema signals feature is shown according to the detection data.
In one possible implementation, the cardiechema signals feature includes the waveform of cardiechema signals, cardiechema signals
Frequency-domain waveform, heart sound frequency and intensity of heart sounds.
According to the flexible heart sound monitoring device of all aspects of this disclosure, cardiechema signals are amplified by resonator, and by soft
Property substrate carrys out the various components of bogey, detected object can be facilitated to carry, and portable in detected object
Higher accuracy of detection is kept in the process.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become
It is clear.
Description of the drawings
Including in the description and the attached drawing of a part for constitution instruction and specification together illustrate the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 is the schematic diagram of the flexible heart sound monitoring device shown according to an exemplary embodiment；
Fig. 2 is the schematic diagram according to the resonator shown in an exemplary embodiment；
Fig. 3 is the schematic diagram according to the resonator shown in an exemplary embodiment；
Fig. 4 is the schematic diagram according to the connection component shown in an exemplary embodiment；
Fig. 5 is the schematic diagram according to the connection component shown in an exemplary embodiment；
Fig. 6 is the schematic diagram of the flexible heart sound monitoring device shown according to an exemplary embodiment.
Specific implementation mode
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Reference numeral indicate functionally the same or similar element.Although the various aspects of embodiment are shown in the accompanying drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the disclosure, numerous details is given in specific implementation mode below.
It will be appreciated by those skilled in the art that without certain details, the disclosure can equally be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Fig. 1 is the schematic diagram of flexible heart sound monitoring device according to the exemplary embodiment of the disclosure.As shown in Figure 1, institute
It includes sensory package 11, processing component 12 and flexible substrates 13 to state flexible heart sound monitoring device.
Sensory package 11 includes heart sound transducer 112 and resonator 111, and resonator 111 is used for the heart of detected object
Sound signal is amplified, and heart sound transducer 112 is used to carry out piezoelectricity conversion to the cardiechema signals of amplification, obtains detection signal；
Processing component 12 is used to carry out signal processing to detection signal, obtains detection data；
Flexible substrates 13 are fabricated from a flexible material, for carrying sensory package 11 and processing component 12.
According to the flexible heart sound monitoring device of all aspects of this disclosure, cardiechema signals are amplified by resonator 111, and pass through
Flexible substrates 13 carry out the various components of bogey, detected object can be facilitated to carry, and are taken with oneself in detected object
Higher accuracy of detection is kept during band.
In one possible implementation, sensory package 11 can be one or more, detected to obtain respectively
The detection signal of each position of object.For example, multiple sensory packages 11 can be used for detecting mitral area, pulmonary area, master
One or more signals in the cardiechema signals of the first area of auscultation of arterial valve, the second area of auscultation of aorta petal and tricuspid valve area, and
The cardiechema signals detected (detection signal) are transmitted to processing component 12 respectively.
In one possible implementation, heart sound transducer 112 can be piezoelectric transducer, the sound wave that can will be detected
Be converted to voltage signal.The information such as heart sound or vibrations when heart sound transducer 112 can detect heartbeat, and above- mentioned information is turned
It is changed to voltage signal.Processing component 12 can obtain the voltage signal and be handled.
In one possible implementation, processing component 12 can be that microcontroller, CPU, MPU, FPGA etc. are any can be into
The processing apparatus of row signal processing, processing component 12 can be realized by special hardware circuit, can also pass through general procedure portion
Part, which combines, can perform logical order realization, to execute the processing procedure of processing component 13.
Fig. 2 is the schematic diagram of resonator according to the exemplary embodiment of the disclosure.As shown in Fig. 2, resonator may include
Shell 21 and acoustic impedance matching layer 22.Cavity 23 and conduction pathway 24, one end connection of conduction pathway 24 are formed in shell 21
Heart sound transducer 112 is arranged in the other end of cavity 23, conduction pathway 24.
In one possible implementation, acoustic impedance matching layer 22 is for matching between detected object and cavity 23
Acoustic impedance makes cardiechema signals power loss during propagating to cavity 23 from detected object reduce.Cavity 23 can be used for
Amplify cardiechema signals so that heart sound transducer 112 detects the cardiechema signals of amplification.Cavity 23 can expand the acquisition of cardiechema signals
Space, and cardiechema signals is made to empathize in cavity, amplify cardiechema signals.The cardiechema signals that conduction pathway 24 is used to amplify
It conducts to heart sound transducer 112.
In one possible implementation, the shell of resonator 111 is hollow U-shaped structure, acoustic impedance matching layer 22
It is arranged in one end of the U-shaped structure, the other end in the U-shaped structure is arranged in heart sound transducer 112.In this example, acoustic resistance
Anti- matching layer 22 can be at same plane with heart sound transducer 112, in order to which heart sound transducer 112 to be connect with conducting wire.
Fig. 3 is the schematic diagram of resonator according to the exemplary embodiment of the disclosure.As shown in figure 3, resonator may include
Shell 31 and acoustic impedance matching layer 32.Cavity 33 is formed in shell 31, heart sound transducer 112 is arranged in cavity 33.
In one possible implementation, acoustic impedance matching layer 32 for match the detected object and cavity 33 it
Between acoustic impedance, make cardiechema signals during propagating to cavity 33 from detected object power loss reduce.Cavity 33 can
For amplifying cardiechema signals so that heart sound transducer 112 detects the cardiechema signals of amplification.Cavity 33 can expand cardiechema signals
Space is acquired, and cardiechema signals is made to empathize in cavity, amplifies cardiechema signals.
In one possible implementation, the shell 31 of resonator is dome structure, and acoustic impedance matching layer 32 can be arranged
In the bottom of dome structure, heart sound transducer 112 may be provided at the top of dome structure, can directly receive and to be amplified by cavity 33
Cardiechema signals.
In one possible implementation, the flexible heart sound monitoring device may also include connection component, for that will pass
Sense component 11 and processing component 12 are attached.
Fig. 4 is the schematic diagram of connection component 14 according to the exemplary embodiment of the disclosure.As shown in figure 4, connection component
14 may include conducting wire 141 and connecting node 142.Conducting wire 141 is used for transmission detection signal.Connecting node 142 can be used for connecting more
Bar conducting wire 141.The total length of a plurality of conducting wire 141 connected by connecting node 142 is more than sensory package 11 and processing component 12
The distance between, therefore, the total length of a plurality of conducting wire 141 has certain amount of redundancy, can be quilt when detected object moves
Detection object provides certain freedom of movement.
In one possible implementation, connecting node 142 can be can torsional node, detected object movement
In the process, connection component 14 is stretched, by can torsional node connection a plurality of conducting wire 141 can stretch when by the way that section can be reversed
Point carrys out relative rotation to extend, and in this example, the connection component 14 being made of conducting wire 141 and connecting node 142 is being not stretched
When can be fold-line-shaped or X-shaped.
Fig. 5 is the schematic diagram of connection component 15 according to the exemplary embodiment of the disclosure.As shown in figure 5, connection component
15 can only include the longer conducting wire of length, and the length of conducting wire is more than the distance between sensory package 11 and processing component 12, that is, leads
The length of line has certain amount of redundancy, can provide certain freedom of movement for detected object when detected object moves
Degree.
In this example, the conducting wire is in flexuosity when being not stretched, for example, conducting wire can be when being not stretched
S-shaped.In another example, conducting wire can be spiral shape when being not stretched.Shape of the disclosure to conducting wire when being not stretched
It is not limited.When the conducting wire is stretched, the total length of conducting wire has certain amount of redundancy, can be that the activity of detected object carries
For degree of freedom.
Fig. 6 is the schematic diagram of flexible heart sound monitoring device according to the exemplary embodiment of the disclosure.As shown in fig. 6, more
A sensory package 11 and processing component 12 are arranged in flexible substrates 13, and sensory package 11 can be used for detecting mitral area, lung
Arterial valve area, the first area of auscultation of aorta petal, the second area of auscultation of aorta petal and tricuspid valve area cardiechema signals at least one
Kind, and the cardiechema signals detected are transmitted to processing component 12, the inspection that processing component 12 can obtain each sensory package 11
Survey signal be amplified processing, be filtered with the signal processings such as analog-to-digital conversion process work, to obtain detection data, and to institute
It states detection data and carries out the data analyses such as time-domain analysis, frequency-domain analysis and statistical analysis work, can also store detection data or incite somebody to action
Detection data is sent to terminal 62.
In one possible implementation, ultralight ultra-thin and extendable flexible material can be used in flexible substrates 13, can
It is attached on the skin of detected object, and when detected object is moved with certain ductility, to detected object
Influence it is smaller.In this example, flexible substrates 13 can be made of flex circuit materials such as polyimides, have good extending
Property and gas permeability, the influence to detected object are smaller.13 planar dimension of flexible substrates is less than bust sizes, and thickness is less than 2mm,
Bending stiffness is close with the bending stiffness of human skin, minimum bending radius 2mm.
In one possible implementation, terminal 62 can be the mobile terminals such as mobile phone, laptop computer or tablet computer,
Can also be the fixed terminals such as desktop computer or ecg equipment.
In one possible implementation, processing component 12 may include that storage device, storage device can be used for storing inspection
Measured data, and detection data is exported when needed, to be analyzed and be shown in terminal.
In one possible implementation, processing component 12 may also include wireless launcher 61, wireless launcher
61 can be used for detection data being sent to terminal 62 in real time, and terminal can carry out detection data to analyze and show in real time.In example
In, wireless launcher 61 can be the emitter using wireless communication techniques such as WiFi, bluetooth or cellular networks.
In one possible implementation, terminal 62 can show cardiechema signals feature according to detection data.According to this
Disclosed one embodiment, cardiechema signals feature may include the waveform of cardiechema signals, the frequency-domain waveform of cardiechema signals, heart sound frequency
With the medical guidelines such as intensity of heart sounds.Processing component 12 can carry out time-domain analysis to detection signal, to obtain the waveform of cardiechema signals
And intensity of heart sounds.Processing component 12 can carry out frequency-domain analysis to detection signal, to obtain the frequency-domain waveform of cardiechema signals.Processing group
Part 12 can be for statistical analysis to detection signal, to obtain heart sound frequency.Terminal 62 can obtain the cardiechema signals feature, and show
Show cardiechema signals feature, diagnosis basis is provided for the heart of detected object.
By using embodiment of the disclosure, cardiechema signals can be amplified by resonator, and hold by flexible substrates
The various components set are carried, flexible substrates material is frivolous, has good ductility and gas permeability, can fit in detected pair
The skin of elephant, facilitates detected object to carry, and the influence to detected object is smaller, and is carried in detected object
During keep higher accuracy of detection, meanwhile, connection component can provide larger degree of freedom for detected object, make by
It is free to detect object activity, the cardiechema signals under various motion states to acquire detected object.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or this technology is made to lead
Other general master stations in domain, which lead to technical staff, can understand each embodiment disclosed herein.
Claims (10)
1. a kind of flexibility heart sound monitoring device, which is characterized in that including：Sensory package, processing component and flexible substrates,
The sensory package includes heart sound transducer and resonator, the resonator be used for by the cardiechema signals of detected object into
Row amplification, the heart sound transducer are used to carry out piezoelectricity conversion to the cardiechema signals of amplification, obtain detection signal；
The processing component is used to carry out signal processing to the detection signal, obtains detection data；
The flexible substrates are fabricated from a flexible material, for carrying the sensory package and the processing component.
2. the apparatus according to claim 1, which is characterized in that the resonator includes shell and acoustic impedance matching layer,
Cavity and conduction pathway are formed in the shell, one end of the conduction pathway connects the cavity, and the heart is arranged in the other end
Sound sensor,
The acoustic impedance matching layer is used to match the acoustic impedance between the detected object and the cavity；
The cavity is for amplifying the cardiechema signals；
The conduction pathway is for conducting the cardiechema signals of amplification to the heart sound transducer.
3. the apparatus of claim 2, which is characterized in that the shell of the resonator is hollow U-shaped structure, described
Acoustic impedance matching layer is arranged in one end of the U-shaped structure, and the other end in the U-shaped structure is arranged in the heart sound transducer.
4. the apparatus according to claim 1, which is characterized in that the resonator includes shell and acoustic impedance matching layer,
Cavity is formed in the shell, the heart sound transducer is arranged in the cavity,
The acoustic impedance matching layer is used to match the acoustic impedance between the detected object and the cavity；
The cavity is for amplifying the cardiechema signals so that the heart sound transducer detects the cardiechema signals of amplification.
5. device according to claim 4, which is characterized in that the shell of the resonator is dome structure, wherein described
Heart sound transducer is arranged at the top of the dome structure, and the acoustic impedance matching layer is arranged in the bottom of the dome structure.
6. the apparatus according to claim 1, which is characterized in that further include：Connection component, for connecting the sensory package
With the processing component,
Wherein, the connection component includes conducting wire and connecting node,
The connecting node is for connecting a plurality of conducting wire, wherein passes through the total length for a plurality of conducting wire that the connecting node connects
More than the distance between the sensory package and the processing component；
The conducting wire is used for transmission the detection signal.
7. the apparatus according to claim 1, which is characterized in that the sensory package is for detecting mitral area, pulmonary artery
Valve area, the first area of auscultation of aorta petal, the second area of auscultation of aorta petal and tricuspid valve area at least one of cardiechema signals.
8. the apparatus according to claim 1, which is characterized in that the processing component carries out at signal the detection signal
Reason, obtaining detection data includes：Processing is amplified to the detection signal successively, is filtered and analog-to-digital conversion process, is obtained
Take detection data.
9. the apparatus according to claim 1, which is characterized in that further include：Terminal, for obtaining the detection data, and
Cardiechema signals feature is shown according to the detection data.
10. device according to claim 9, which is characterized in that the cardiechema signals feature include cardiechema signals waveform,
Frequency-domain waveform, heart sound frequency and the intensity of heart sounds of cardiechema signals.
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|---|---|---|---|
| CN201810319820.5A CN108742691A (en) | 2018-04-11 | 2018-04-11 | Flexible heart sound monitoring device |
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| CN201810319820.5A CN108742691A (en) | 2018-04-11 | 2018-04-11 | Flexible heart sound monitoring device |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110226944A (en) * | 2019-06-24 | 2019-09-13 | 大连理工大学 | Miniature heart sound transducer and its application based on MEMS technology |
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