CN106333839A - External chest compression control device, method and system - Google Patents
External chest compression control device, method and system Download PDFInfo
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- CN106333839A CN106333839A CN201510415072.7A CN201510415072A CN106333839A CN 106333839 A CN106333839 A CN 106333839A CN 201510415072 A CN201510415072 A CN 201510415072A CN 106333839 A CN106333839 A CN 106333839A
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Abstract
The invention provides an external chest compression control device, method and system. The device can be directly placed at a chest of a patient; when the patient suffers from external chest compression, after a signal processing circuit applies a generated excitation signal meeting the preset requirements to the patient, a current electrocardiograph (ECG) signal, a current chest impedance signal and a current pressing depth signal of the patient are simultaneously obtained; through processing of the current electrocardiograph signal, the current chest impedance signal and the current pressing depth signal, after being obtained, the current electrocardiograph signal, the current chest impedance signal and the current pressing depth signal which meet the preset transmission protocol requirements are transmitted to a mobile terminal for display when a communication with the mobile terminal is established, so that a rescuer adjusts an external chest compression method, position and the like, the external chest compression quality is ensured, the time is earned for further treatment of the patient, and the injury caused by the external chest compression in a blind zone to the patient is prevented.
Description
Technical field
The invention mainly relates to medical Instrument field, control dress more particularly to a kind of external chest compression
Put, method and system.
Background technology
Sudden cardiac arrest (cardiac arrest, ca), also known as sudden cardiac death (sudden death), this disease
Disease such as cannot be rescued after occurring in time, can cause brain in patients and other vitals after 4～6min
Irreversible infringement.Therefore, the cardio-pulmonary resuscitation after sudden cardiac arrest (cardiopulmonary resuscitation,
Cpr) must carry out as early as possible at the scene, could be that the treatment further of cardiac is raced against time, thus
Improve the success rate of rescue sudden cardiac arrest patient.
At present, external chest compression, as a kind of the most frequently used cardio-pulmonary resuscitation means, is in patient's breast by rescuer
Carry out on portion pressing position steady, regular, press incessantly so that be located at breastbone and vertebra it
Between heart left and right ventricles pressurized and pump out blood, and after loosening compressing, ventricular diastole, blood returns
The heart, reaches the sanguimotor purpose of promotion, makes patient's heart recover normal blood supply.
However, in actual applications, not all people can grasp the external chest compression maneuver of specialty,
It will usually because pressing position, method etc. are incorrect during pressing actual to patient, to patient body
Cause other injuries, so that patient's liver is broken by the impact, because during pressing finger do not tilt and easily to rib
Bone fracture and flail chest, lead to pneumothorax, hemothorax etc., this does not only enable cardio-pulmonary resuscitation, are that patient controls
Treatment is raced against time, or even meeting making patients' state of an illness, has a strong impact on patient vitals' safety.
Content of the invention
In view of this, the invention provides a kind of external chest compression control device and method is it is achieved that press outside breast
During pressure, monitor to while the electrocardiosignal of patient, thoracic impedance signal and compression depth signal,
And by mobile terminal, the signal monitoring is shown, rescuer can not only be made to adjust in time accordingly
External chest compression is it is ensured that external chest compression quality, and enhances the portability of this device.
To achieve these goals, this application provides technical scheme below:
A kind of external chest compression supervising device, is placed on the chest of patient, described device includes: the first biography
Sensor, second sensor, the signal processing electricity being connected with described first sensor and described second sensor
Road, and the data transmission module being connected with described signal processing circuit, wherein:
Described first sensor, for during external chest compression, the current electrocardiosignal of collection patient and
Current thoracic impedance signal；
Described second sensor, for, during described external chest compression, obtaining current press depth signal；
Described signal processing circuit, meets the pumping signal of preset requirement for producing, and by described the
One sensing device is applied to described patient, and to described current electrocardiosignal, described current thoracic impedance signal
And described current press depth signal is processed, obtain the electrocardio letter meeting Preset Transfer protocol requirement
Number, thoracic impedance signal and compression depth signal；
Described data transmission module, for when setting up communication connection with mobile terminal, meeting described in advance
If the electrocardiosignal that host-host protocol requires, thoracic impedance signal and compression depth signal are transmitted to described movement eventually
End is shown.
Preferably, described device also includes:
With described first sensor, described second sensor, described signal processing circuit and described data
The power circuit that transport module is connected, described power circuit includes manostat and voltage-type transducer.
Preferably, described signal processing circuit includes: the frequency generating circuit that is sequentially connected, signal detection
Circuit, cmos magnifier and mcu, wherein:
Described frequency generating circuit, meets the pumping signal of preset requirement for producing, and by described excitation
Signal is applied to patient by described first sensor；
Described signal deteching circuit, for during external chest compression, to the current thorax impedance letter receiving
Number it is amplified Shape correction；
Described cmos magnifier, for signal that described signal deteching circuit is exported and institute
The described current press depth signal stating second sensor transmission is amplified and sends to described mcu；
Described mcu, the signal for sending to described cmos magnifier is processed, and obtains
Meet electrocardiosignal, thoracic impedance signal and the compression depth signal of Preset Transfer protocol requirement and transmit to institute
State data transmission module.
Preferred:
The cmos magnifier of described cmos magnifier specifically ina321 model；
The single-chip microcomputer of described mcu specifically msp430f1611 model.
Preferred:
Described data transmission module is specially the bluetooth module of jbm-141 model；
Described first sensor is specially electrode sensor；
Described second sensor is specially acceleration transducer.
Preferably, described signal deteching circuit includes: voltage follower, signal amplification circuit and signal are whole
Shape circuit.
Preferably, described manostat is specially the positive low pressure manostat of lm117mpx-5.0 model, institute
State the switching capacity electric pressure converter that voltage-type transducer is specially max660 model.
A kind of external chest compression monitoring method, methods described includes:
Patient is applied to meet with the pumping signal of preset requirement；
During external chest compression, obtain the current electrocardiosignal of described patient, current thoracic impedance signal and
Current press depth signal；
To described current electrocardiosignal, described current thoracic impedance signal and described current press depth signal
Processed, obtain and meet the electrocardiosignal of Preset Transfer protocol requirement, thoracic impedance signal and according to pressing depth
Signal；
By the described electrocardiosignal meeting Preset Transfer protocol requirement, thoracic impedance signal and compression depth signal
Transmit and shown to described mobile terminal.
Preferably, described by the described electrocardiosignal meeting Preset Transfer protocol requirement, thoracic impedance signal and
Compression depth signal transmit to described mobile terminal shown particularly as follows:
By Bluetooth wireless transmission mode, by the described electrocardiosignal meeting Preset Transfer protocol requirement, breast
Impedance signal and compression depth signal are transmitted and are shown to described mobile terminal.
A kind of external chest compression monitoring system is it is characterised in that described system includes:
Mobile terminal, and external chest compression supervising device as above.
As can be seen here, compared with prior art, this application provides a kind of supervising device of external chest compression,
Method and system, this device can be directly placed at the chest of patient, is carrying out external chest compression mistake to this patient
Cheng Zhong, is produced, by signal processing circuit, the pumping signal meeting preset requirement, and is applied by first sensor
Add to patient, meanwhile, the current electrocardiosignal of patient is gathered and when shirtfront resistance by this first sensor
Antinoise signal, obtains current press depth signal by second sensor, through signal processing circuit to current electrocardio
Signal, current thoracic impedance signal and current press depth signal are processed, and are met Preset Transfer
The current electrocardiosignal of protocol requirement, thoracic impedance signal and compression depth signal, and in data transfer mould
Block transmits when setting up communication connection with mobile terminal and shows to mobile terminal, for rescuer's reference, to adjust
Whole external chest compression dynamics, frequency, position etc., thus ensureing external chest compression quality, reach cardio-pulmonary resuscitation
Purpose, be that the time has been striven in the treatment further of patient, it is to avoid blindly carries out external chest compression, to patient
The injury that body causes；And, the signal after gathering and processing can be directly transferred to move by this device
Terminal shows, enhances its portability.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing applying required use in example or description of the prior art be briefly described it should be apparent that, below
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to the accompanying drawing providing.
Fig. 1 is a kind of structural representation of present invention external chest compression supervising device embodiment；
Fig. 2 is the structural representation of present invention another kind external chest compression supervising device embodiment；
Fig. 3 is the circuit construction of electric power schematic diagram in a kind of present invention external chest compression supervising device；
Fig. 4 is a kind of schematic flow sheet of present invention external chest compression monitoring method embodiment；
Fig. 5 is a kind of structural representation of present invention external chest compression monitoring system embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
The every other embodiment being obtained under the premise of going out creative work, broadly falls into the scope of protection of the invention.
In actual applications, the quality of external chest compression with according to pressing depth, the resilience journey of compression frequency and thorax
Degree etc. is closely related, in actual rescue it is necessary to have enough according to pressing depth, could keep necessarily being preced with
Shape arterial perfusion pressure (coronary perfusion pressure, cpp), and cpp is to predict patient at present
Spontaneous circulation (return of spontaneous circulation, rosc) the most direct index can be recovered.
As can be seen here, during rescue sudden cardiac arrest patient, the monitoring to external chest compression quality seems particularly heavy
Will.
However, in the prior art, only just there are the equipment of various specialties in hospital, to carrying out outside breast
The patient of pressing is monitored, to instruct the implementer carrying out external chest compression, very inconvenient；And, should
Used in the process of monitoring, equipment is more, and volume is larger, not readily portable, and this will lead to not to patient
Realize treatment on the spot it is easy to improper and/or be delayed golden hour not in time because giving treatment to, thus endangering
The life security of evil patient.
So, for convenience medical personnel or other amateur healthcare givers can be whenever and wherever possible using breast outside
Pressing supervising device, quickly and correctly carries out external chest compression to sudden cardiac arrest patient, thus being this patient
Treatment further race against time, this application provides a kind of external chest compression supervising device, method and system,
Only this device need to be placed on the chest of patient, and mobile terminal uses cooperatively, you can instruct rescuer
Patient is carried out with correct external chest compression, and the condition of real-time monitoring patient, for subsequently controlling further
Good basis is established in treatment, very convenient.
In order that the above objects, features and advantages of the present invention can become apparent from understandable, with reference to attached
The present invention is further detailed explanation with specific embodiment for figure.
As shown in figure 1, being a kind of structural representation of present invention external chest compression supervising device embodiment, this dress
Put and can be directly placed on the chest of patient, very convenient, its specifically may include that first sensor 110,
Second sensor 120, the signal processing being connected with described first sensor 110 and described second sensor 120
Circuit 130, and the data transmission module 140 being connected with described signal processing circuit 130, wherein:
First sensor 110 can be used for during external chest compression, the current electrocardiosignal of collection patient and
Current thoracic impedance signal (transthoracic impedance, tti).
In the present embodiment practical application, this external chest compression supervising device is placed on behind patient chest, is
The monitoring quality to the external chest compression that patient is carried out for the rescuer, needs heart and the blood of synchronous monitoring patient
The situation of change such as blood flow in pipe, so that adjustment external chest compression method, position, depth etc. are it is ensured that right accordingly
Patient implements correct and timely cardio-pulmonary resuscitation.So, when external chest compression is carried out to patient, can be to this
Patient applies to meet the pumping signal (as voltage signal) of preset requirement, and afterwards, detection patient is accepting
Feedack during external chest compression, thus learn patient's current body situation.
Specifically, the current signal of patient feedback can during this external chest compression, be gathered, thus obtaining
The current thoracic impedance signal of patient, to understand that external chest compression makes the change of chest, and patient's heart
The situations of change such as dirty and Ink vessel transfusing blood flow；At the same time it can also gather the current electrocardiosignal of patient, to examine
Survey patient's current state.
Wherein, above-mentioned pumping signal can obtain frequency and just become with amplitude by being adjusted to alternating signal
After the FM signal of ratio, then this FM signal is carried out after integration processes the differential voltage that obtains, to this difference
Galvanic electricity pressure is formed after carrying out transformation process, but is not limited thereto.
Optionally, this first sensor 110 can be specifically electrode sensor, and the application does not limit it
Concrete model, the composition structure of this electrode sensor and its function belong to general knowledge known in this field, this enforcement
Example will not be described in detail herein.
Second sensor 120 can be used for, during external chest compression, the first signal collecting being carried out
Quadratic integral, obtains current press depth signal.
Optionally, this second sensor 120 is specifically as follows acceleration transducer, then patient is being carried out
During external chest compression, it is placed in carrying out above this external chest compression supervising device due to the palm of rescuer,
So, the operation with rescuer is vertically moved by this supervising device up and down, during being somebody's turn to do, can be by adding
Velocity sensor detects the acceleration signal (i.e. above-mentioned first signal) of pressing, after integrated computing
To pressing speed and distance (i.e. depth), afterwards, through simple mathematical operation can get breast outer by
Voltage-frequency rate, thus judge whether rescuer is qualified to the external chest compression of patient accordingly.
Signal processing circuit 130 can be used for producing the pumping signal meeting preset requirement, and by described the
One sensor is applied to described patient；To described current electrocardiosignal, described current thoracic impedance signal and
Described current press depth signal is processed, obtain meet Preset Transfer protocol requirement electrocardiosignal,
Thoracic impedance signal and compression depth signal
In conjunction with above-mentioned analysis, the present embodiment can carried out outside breast to patient using this signal processing circuit 130
During pressing, applying pumping signal to this patient, to obtain the signal of patient feedback, and learning this accordingly
The impact to patient body for the external chest compression.
Optionally, the application can be produced by the frequency generating circuit 131 in this signal processing circuit 130
Meet the pumping signal of preset requirement, and described pumping signal is applied to trouble by described first sensor
Person.
In the present embodiment, this frequency generating circuit 131 can include v/f transducer, fet amplifier
And transformator etc., wherein, the alternating signal of this v/f transducer scalable input, input signal is become
The FM signal being directly proportional to amplitude for frequency, afterwards, is carried out to this FM signal by this fet amplifier
After integration is processed, by two groups of transformators, the differential voltage being formed is carried out with transformation process, formation comprises many
Plant the differential wave of frequency, be applied to patient as pumping signal.
In addition, being based on above-mentioned analysis, as shown in Fig. 2 this signal processing circuit 130 can also include letter
Number testing circuit 132, cmos magnifier 133 and mcu (microcontroller unit, micro-
Control unit) 134.During external chest compression, by this signal deteching circuit 132 to first sensor
The current thoracic impedance signal of 110 collections is sent to cmos magnifier after being amplified Shape correction
133, by this cmos magnifier 133 to working as that the signal after processing and second sensor send
Front compression depth signal is amplified processing, finally, by mcu134 to the electrocardiosignal after amplifying, breast
Impedance signal and compression depth signal are analyzed and process, thus being met Preset Transfer protocol requirement
Electrocardiosignal, thoracic impedance signal and compression depth signal transmit to data transmission module 140.
Wherein, above-mentioned signal deteching circuit 132 can be by voltage follower, the first amplifying circuit, shaping
Circuit and the second amplifying circuit etc. form, and particular circuit configurations belong to state of the art, this enforcement
Example will not be described in detail herein.
Optionally, this cmos magnifier 133 specifically can select the cmos of ina321 model
Magnifier, its low in energy consumption, stable performance and amplification are high.If it should be noted that being only
In order to amplify signal, this cmos magnifier can also be substituted using other magnifiers,
The present invention is not construed as limiting to this.
Optionally, this mcu can be specifically 16 single-chip microcomputers of msp430f1611 model, low in energy consumption,
Have 48kb flash memory, 10240bram (random access memory, random access memory),
12 adc (analog-to-digital converter, analog-digital converter), double dac (digital
To analog converter, digital analog converter), 2usart, 12c, hw mult and dma.
It should be noted that the concrete composition 26S Proteasome Structure and Function of the single-chip microcomputer of this msp430f1611 model belongs to
In general knowledge known in this field, this enforcement will not be described in detail herein.
Data transmission module 140 can be used for when setting up communication connection with mobile terminal, by described satisfaction
The electrocardiosignal of Preset Transfer protocol requirement, thoracic impedance signal and compression depth signal are transmitted to described movement
Terminal is shown.
Understood based on above-mentioned analysis, for the ease of correct external chest compression is carried out whenever and wherever possible to patient, need
The various signal datas collecting are shown, the present embodiment can be used directly mobile terminal as aobvious
Show module, data transmission module in a device is set up after communication connection with this mobile terminal, by obtain
The thoracic impedance signal of this patient, electrocardiosignal and compression depth signal are sent to this mobile terminal and are shown,
So, rescuer can learn according to display content whether the external chest compression currently being carried out is qualified, if not
Qualified, can be adjusted correspondingly according to currently displaying each signal parameter.It should be noted that, close
Relation in external chest compression quality and thoracic impedance signal, electrocardiosignal and compression depth signal belongs to this area
Prior art, rescuer can be learnt accurately and in time based on mobile terminal video data and currently patient be implemented
External chest compression whether suitable.
Certainly, if rescuer is non-medical professional, also first pass through mobile terminal and log in default monitoring
Center, obtains some qualified standard information of external chest compression, afterwards, is carrying out external chest compression mistake to patient
Cheng Zhong, after obtaining thoracic impedance signal, electrocardiosignal and the compression depth signal of this patient, can by this three
Plant parameter and be compared with the corresponding standard information obtaining, and external chest compression adjustment is provided according to comparative result
Suggestion, for example, when learning that the external chest compression frequency currently being carried out is too fast or according to pressing depth mistake by comparing
When depth, compression frequency or the information of pressing dynamics can be reduced by this mobile directly output,
As information of voice prompt, but it is not limited thereto, consequently facilitating rescuer adjusts external chest compression method in time,
Guarantee that it can reach the purpose of cardio-pulmonary resuscitation, avoid because to patient's external chest compression misoperation simultaneously,
And the injury that patient body is caused, or even the life security that patient can be threatened.
In addition, when Field Force cannot be deep according to the electrocardiosignal obtaining, current thoracic impedance signal and pressing
The data such as degree signal give to instruct, and the application can also send these signals to monitor by mobile terminal
Center, is provided the instruction of specialty accordingly by expert, thus realizing live operator is implemented to patient
The remotely control of external chest compression, further increases the success rate of the rescue of cardiac.
Wherein, in the case that expert's number is limited, this Surveillance center can be real by different mobile terminals
Now Centralized Monitoring is carried out to the monitoring system of the external chest compression quality of different places, that is, an expert can instruct
Multiple operators correctly and efficiently implement external chest compression to each patient, and this expands to cardiac's
Scope of medical treatment.Optionally, above-mentioned mobile terminal can by a gui interface based on matlab Lai
Realize the process of data and present, and process receive data when, can based on extremum method,
Roughly demarcate its Wave crest and wave trough, extract peak-to-peak value and paddy valley as the condition of screening signal, remove dry
Disturb and pseudo wave, afterwards, by feature extraction is carried out to pressing ripple and ventilation ripple, removing interference waveform
Meanwhile, using linear discriminent, acquired waveform is divided into pressing ripple and ventilation ripple, now, reads institute
Obtain the current data of thoracic impedance signal, pressing ripple and ventilation ripple, and this current data calculated,
Can obtain characterizing the index of the current Quality of external chest compression, such as thoracic impedance signal changing value, compression frequency,
Ventilation number of times, pressing ventilation ratio, compressing time ratio etc..
As can be seen here, in the application practical application, mobile terminal obtains and is accepting external chest compression treatment
The electrocardiosignal of patient, thoracic impedance signal and compression depth signal after showing, can be based on the mark obtaining
Calibration information, exports corresponding information, so that rescuer can attentively be given treatment to, need not close again
The display screen of note mobile terminal, directly adjusts implemented external chest compression in time according to the information heard
, very convenient, and improve the success rate to heart disease arrest victim treatment.
In the present embodiment practical application, this mobile terminal can be have Bluetooth transmission function mobile phone,
Computer, bluetooth host, pda (personal digital assistant, palm PC), psp (playstation
Portable, portable game machine) etc., the application is not especially limited to this, as long as can with above-mentioned
Data transmission module successful matching.
Further, subsequently electrocardiosignal can also be analyzed, and to according to pressing depth with thorax impedance become
The correlation analysiss changed, the successive treatment for this patient provides supplemental characteristic, wherein, makes a concrete analysis of process
Can be realized using existing software, this enforcement is not especially limited to this.
In sum, the present embodiment is by, during carrying out external chest compression to patient, obtaining this trouble simultaneously
The electrocardiosignal of person, thoracic impedance signal and compression depth signal, and pass through data transmission module after treatment
It is sent to mobile terminal to show so that rescuer can learn accurately and in time currently according to these three parameters
External chest compression quality, and guarantee that the external chest compression that rescuer implements is qualified, it is to avoid the external chest compression implemented
Method or position etc. are incorrect, the harm that patient body even life is caused.Meanwhile, rescue actual
When controlling, as long as this device is placed on patient chest, then coordinate mobile terminal can use, simple to operate,
Easy to carry so that this device has bigger range of application, be particularly suited for outside institute cpr monitoring, no
Only simplify monitoring system structure, and reduce interference present in the transmitting procedure of online data road, carry
The high accuracy of detection data, thus the system that ensure that can be the external chest compression that operator implements provide
Correct guidance, to improve the success rate of rescue sudden cardiac arrest patient.
Optionally, as shown in Fig. 2 on the basis of the various embodiments described above, this device can also include:
With described first sensor 110, described second sensor 120, described signal processing circuit 130 and institute
State the power circuit 150 that data transmission module 140 is connected, this power circuit 150 includes manostat and voltage
Type transducer.
Wherein, this manostat can be selected for the positive low pressure manostat of lm1117mpx-5.0 model, and voltage
Transducer can select the switching capacity voltage changer of max660 model, and it is inverse as a voltage-type
Become device to use, input voltage is converted into output after negative voltage, so that this power circuit becomes one
Two-supply circuit.Power circuit shown in Fig. 3 can be by positive electricity between 1.5v～5.5v for the voltage range
Pressure is converted to corresponding negative voltage, then this power circuit is the dual power supply an of ± 5v.
It should be noted that concrete attachment structure for the power circuit 150 in the present invention not only limiting
Circuit connection structure shown in Fig. 3, as long as stable dual power supply can be provided, meets subsequent conditioning circuit need
The power circuit asked belongs to the scope of the present invention.
In addition, in the technology of above-described embodiment, as shown in figure 3, above-mentioned data transmission module 140 has
Body can be the bluetooth module of jbm-141 model it is adaptable to various near radio data transfer, adopt
Uart/rs232 interface, serial ports speed is adjustable, it is possible to achieve the all-transparent number of point-to-point or point-to-multipoint
According to transmission.
Wherein, the safety of data transfer can because bluetooth module adopts frequency hop spread spectrum, be effectively improved
Property and capacity of resisting disturbance, thus, the present embodiment adopt bluetooth module as data transmission module, improve
The accuracy of the analysis result to the data receiving for the mobile terminal, that is, the system that improves is to external chest compression matter
The accuracy of the monitoring of amount.
It should be noted that being not limited to bluetooth module for the data transmission module in the present invention,
Can be to realize data transfer using wireless networks such as wifi, 3g, as long as meet being actually needed,
Here of the present invention no longer describes in detail one by one.
As shown in figure 4, a kind of flow process of the external chest compression monitoring method embodiment providing for the application is illustrated
Figure, the method can apply to the supervising device of said apparatus embodiment offer, the concrete composition of this device
Structure and function can parameter above-described embodiment corresponding part description, the present embodiment will not be described in detail herein.Then
The external chest compression monitoring method that the present embodiment provides may include that
Step s410: patient is applied to meet with the pumping signal of preset requirement.
Wherein, this pumping signal can be specifically voltage signal, and concrete generation process can refer to above-mentioned enforcement
The description of example corresponding part, the present embodiment will not be described here.
Step s420: during external chest compression, obtain the current electrocardiosignal of described patient, work as shirtfront
Impedance signal and current press depth signal.
Learnt based on above-mentioned analysis, first sensor can be passed through respectively and second sensor obtains working as of patient
Front electrocardiosignal, current thoracic impedance signal and current press depth signal, detailed process can refer to above-mentioned reality
Apply the description of a corresponding part, this enforcement will not be described here.
Step s430: press described to described current electrocardiosignal, described current thoracic impedance signal and currently
Pressure depth signal is processed, and obtains electrocardiosignal, the thoracic impedance signal meeting Preset Transfer protocol requirement
And compression depth signal.
Wherein, current electrocardiosignal, described current thoracic impedance signal and described current press depth are believed
Number processing procedure can refer to the description of above-described embodiment corresponding part, the present embodiment will not be described here,
And this Preset Transfer protocol requirement can be according to used by this device between data transmission module and mobile terminal
Host-host protocol determines, the application is not especially limited to it.
Step s540: by the described electrocardiosignal meeting Preset Transfer protocol requirement, thoracic impedance signal and by
Pressure depth signal is transmitted and is shown to described mobile terminal.
Wherein, the present embodiment can wirelessly by meet Preset Transfer protocol requirement electrocardiosignal,
Thoracic impedance signal and compression depth signal are sent to mobile terminal and show, can be specifically Bluetooth wireless transmission
Mode, but be not limited thereto.
In sum, during carrying out external chest compression to this patient, the present embodiment passed through expiring of producing
The pumping signal of sufficient preset requirement is applied to patient, meanwhile, collection patient current electrocardiosignal and
Current thoracic impedance signal, and after current press depth signal, by current electrocardiosignal, work as shirtfront
Impedance signal and current press depth signal are processed, and are met working as of Preset Transfer protocol requirement
Front electrocardiosignal, thoracic impedance signal and compression depth signal, and in data transmission module and mobile terminal
Transmit when setting up communication connection and show to mobile terminal, for rescuer's reference, to adjust chest compression force
Degree, frequency, position etc., thus ensureing external chest compression quality, reaching the purpose of cardio-pulmonary resuscitation, being patient
Treatment further striven for the time, it is to avoid blindly carry out external chest compression, wound that patient body is caused
Evil；And, the signal after gathering and processing can be directly transferred to mobile terminal and show by this device, increase
Its portability strong.
As shown in figure 5, a kind of structural representation of the external chest compression monitoring system embodiment providing for the application
Figure, this system may include that mobile terminal 510 and external chest compression supervising device 520, wherein:
Mobile terminal 510 can be specifically mobile phone, pda, psp etc., and the present invention does not specifically limit to this
Fixed.And this external chest compression supervising device 520 concrete composition structure and function specifically can refer to said apparatus in fact
Apply the external chest compression supervising device of example description, the present embodiment will not be described here.
Optionally, this system can also include Surveillance center, for setting up communication connection with mobile terminal
When, realize the guidance to live external chest compression；Receive and this patient of memory mobile terminal upload accepts breast
Electrocardiosignal obtained in outer pressing process, thoracic impedance signal and compression depth signal, using as rear
The reference of the continuous deep treatment to patient.
In conjunction with above-mentioned analysis, the present embodiment passes through to electrocardiosignal, the thorax impedance accepting external chest compression patient
Signal and compression depth signal are monitored simultaneously, thus ensureing this external chest compression quality, it is to avoid behaviour
It is improper to make, and the harm that patient body even life is caused.And, this supervising device is whole with mobile
End uses cooperatively, simple to operate and be easy to carry, and has wider range of application.
Finally in addition it is also necessary to illustrate, herein, such as first and second or the like relation art
Language is used merely to distinguish a unit, module or operation with another unit, module or operation
Come, and not necessarily require or imply there is any this reality between these units, module or operation
Relation or order.And, term " inclusion ", "comprising" or its any other variant meaning
Covering comprising of nonexcludability, so that including a series of process of key elements, method or system
Not only include those key elements, but also include other key elements being not expressly set out, or also include
For this process, method or the intrinsic key element of system.In the absence of more restrictions, by
The key element that sentence "including a ..." limits is it is not excluded that including the process of described key element, side
Also there is other identical element in method or system.
In this specification, each embodiment is described by the way of going forward one by one, and each embodiment stresses
The difference with other embodiment, between each embodiment identical similar portion mutually referring to.
For method and system disclosed in embodiment, because it is corresponding with device disclosed in embodiment, so
Describe is fairly simple, referring to method part illustration in place of correlation.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple modifications to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a kind of external chest compression supervising device is it is characterised in that be placed on the chest of patient, described dress
Put including first sensor, second sensor and described first sensor and described second sensor phase
Signal processing circuit even, and the data transmission module being connected with described signal processing circuit, wherein:
Described first sensor, for during external chest compression, the current electrocardiosignal of collection patient and
Current thoracic impedance signal；
Described second sensor, for, during described external chest compression, entering to the first signal collecting
Row quadratic integral, obtains current press depth signal；
Described signal processing circuit, meets the pumping signal of preset requirement for producing, and by described the
One sensor is applied to described patient, and to described current electrocardiosignal, described current thoracic impedance signal with
And described current press depth signal is processed, obtain meet Preset Transfer protocol requirement electrocardiosignal,
Thoracic impedance signal and compression depth signal；
Described data transmission module, for when setting up communication connection with mobile terminal, meeting described in advance
If the electrocardiosignal that host-host protocol requires, thoracic impedance signal and compression depth signal are transmitted to described movement eventually
End is shown.
2. device according to claim 1 is it is characterised in that described device also includes:
With described first sensor, described second sensor, described signal processing circuit and described data
The power circuit that transport module is connected, described power circuit includes manostat and voltage-type transducer.
3. device according to claim 1 is it is characterised in that described signal processing circuit includes:
Frequency generating circuit, signal deteching circuit, cmos magnifier and the mcu being sequentially connected, its
In:
Described frequency generating circuit, meets the pumping signal of preset requirement for producing, and by described excitation
Signal is applied to patient by described first sensor；
Described signal deteching circuit, for during external chest compression, to the current thorax impedance letter receiving
Number it is amplified Shape correction；
Described cmos magnifier, for signal that described signal deteching circuit is exported and institute
The described current press depth signal stating second sensor transmission is amplified and sends to described mcu；
Described mcu, the signal for sending to described cmos magnifier is processed, and obtains
Meet electrocardiosignal, thoracic impedance signal and the compression depth signal of Preset Transfer protocol requirement and transmit to institute
State data transmission module.
4. device according to claim 3 it is characterised in that:
The cmos magnifier of described cmos magnifier specifically ina321 model；
The single-chip microcomputer of described mcu specifically msp430f1611 model.
5. the device according to claim 1-4 any one it is characterised in that:
Described data transmission module is specially the bluetooth module of jbm-141 model；
Described first sensor is specially electrode sensor；
Described second sensor is specially acceleration transducer.
6. device according to claim 3 is it is characterised in that described signal deteching circuit includes:
Voltage follower, signal amplification circuit and signal transformation circuit.
7. device according to claim 2 is it is characterised in that described manostat is specially
The positive low pressure manostat of lm117mpx-5.0 model, described voltage-type transducer is specially max660
The switching capacity electric pressure converter of model.
8. a kind of external chest compression monitoring method is it is characterised in that methods described includes:
Patient is applied to meet with the pumping signal of preset requirement；
During external chest compression, obtain the current electrocardiosignal of described patient, current thoracic impedance signal and
Current press depth signal；
To described current electrocardiosignal, described current thoracic impedance signal and described current press depth signal
Processed, obtain and meet the electrocardiosignal of Preset Transfer protocol requirement, thoracic impedance signal and according to pressing depth
Signal；
By the described electrocardiosignal meeting Preset Transfer protocol requirement, thoracic impedance signal and compression depth signal
Transmit and shown to described mobile terminal.
9. method according to claim 8 is it is characterised in that described meet Preset Transfer by described
The electrocardiosignal of protocol requirement, thoracic impedance signal and compression depth signal are transmitted and are carried out to described mobile terminal
Display particularly as follows:
By Bluetooth wireless transmission mode, by the described electrocardiosignal meeting Preset Transfer protocol requirement, breast
Impedance signal and compression depth signal are transmitted and are shown to described mobile terminal.
10. a kind of external chest compression monitoring system is it is characterised in that described system includes:
Mobile terminal, and the external chest compression supervising device as described in claim 1-7 any one.
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