CN105997049A - Posture information acquisition device - Google Patents
Posture information acquisition device Download PDFInfo
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- CN105997049A CN105997049A CN201610291027.XA CN201610291027A CN105997049A CN 105997049 A CN105997049 A CN 105997049A CN 201610291027 A CN201610291027 A CN 201610291027A CN 105997049 A CN105997049 A CN 105997049A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/282—Holders for multiple electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
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Abstract
The invention provides a posture information acquisition device. The posture information acquisition device includes an ECG component, and a posture sensing unit which is fixedly arranged on the ECG component; the posture sensing unit senses the direction of the ECG component and outputs the direction information to a client which communicates with the posture information acquisition device; and the ECG component includes two or three electrodes.
Description
Technical field
It relates to a kind of attitude information collecting device, particularly relate to one and be integrated with posture sensing unit
ECG information collecting device.
Background technology
Along with the raising of people's living standard, people increasingly focus on the physical condition of oneself, even if
Do not have any uncomfortable in the case of, desirably will appreciate that the health of oneself, in order to
Slight change based on daily health, takes suitable preventive measure.Especially the most various
In the case of heart disease is occurred frequently, it is desirable to be measured in real time the heart shape of oneself by cardiograph
Condition, understands the health degree of heart, finds cardiac problems the most early, it is to avoid the emergency case such as heart disease
The thunder bolt caused.
Come real accordingly it is desirable to have one intelligent wireless medical ECG record and analytical equipment reliably
The now real-time monitoring to oneself cardiac function.The most apparently, most of existing ECG recording equipment has
Discrete electrode cable, the athletic meeting of these electrode cables produces noise and spurious signal.This equipment pair
Also it is inconvenient for the daily action of patient.To this end, some manufacturers provide a kind of wearable now
Portable medical device.This portable medical device can be dressed by user and arbitrarily move and zone of action
Unrestricted.This portable medical device obtains the ECG signal of user from the electrode of body surface.But,
This existing two electrodes singly lead portable Ecg device obtain ECG signal time, its electrical noise or
Electrode often reduces the quality of ECG signal from coming off of body surface.This electrical noise is typically due to use
The hyperkinesia at family causes, it is also possible to owing to electrode being fixed on user appurtenances at user's body
On small slip cause.Sometimes be likely to be due to skin excessively be dried can cause this electrical noise.
Some portable ECG graphers that singly lead, its ECG signal acquisition electrode multidigit two electrode form
(bipolar lead), i.e. one of two electrodes are for being the electrode being connected with tracer negative terminal, and its current potential is protected all the time
Holding zero potential, just become so-called " indifferent electrode ", it is a certain that another measurement electrode is then placed on body surface
Measuring point, as " exploring electrode ", this measuring method is called unipolar lead.Common portable ECG
Detection equipment uses unipolar chest lead mode, and a measurement electrode is fixed as zero potential (central electric terminal method),
Central electric terminal is connected with electrocardiographic negative terminal, becomes indifferent electrode, and another electrode and tracing
Device anode is connected, and as exploring electrode, can be placed on the different potentials position of thoracic wall, thus record out electrocardio
The image of change.This portable Ecg device requires relatively low power consumption when using button cell long-term work,
But the formula Ecg device of taking needs continuous firing, therefore power consumption is higher.It is further noted that, owing to wanting
Ask this Ecg device to have portability, therefore generally require and compress its volume as far as possible so that two electrodes
Distance between sheet reduces as far as possible.ECG signal intensity between usual two electrode slices and electrode slice it
Between distance be inversely proportional to, if between this two electrodes away from too far away; gather end due to the fortune of human body
Move and be easy to separate with human body skin and come off, too closely then cause gathered ECG signal faint, more
It is susceptible to the impact of electrical noise.Therefore, for the signal that good detection is fainter than routine care instrument,
Needing the components and parts lower with selecting noise by improving amplification, this can increase portable Ecg device
Cost.
Although bringing some facilities additionally, portable ECG information collecting device is user, but,
In the case of some users there may be some heart disease, when wearing portable ECG signal collecting device
It is likely to be at outside monitoring range, when these users are likely to be due to when heart disease burst causes falling possible
Tragedy can be caused to occur owing to treatment in time can not be obtained.Accordingly it is desirable to these ECG information gather
Equipment can not only provide the real-time monitoring of ECG information accurately, it is also possible to provide real when user falls
Time detect and be supplied to the people that is closely connected.
Summary of the invention
In order to provide a kind of stable and that electrical noise and cost can be reduced ECG information recording equipment, this
Disclosure provides a kind of attitude information collecting device, including: ECG element；And it is fixedly mounted on ECG
Posture sensing unit on element, direction is also believed by the direction of described posture sensing unit senses ECG element
Breath output is to the client carrying out communication with described attitude information collecting device.Described ECG element includes two
Individual or three electrode slices.
According to disclosure information collecting device, described ECG element includes two or three electrode slices.Institute
State ECG original paper and may be located at a flexible substrate.
Attitude information collecting device according to the disclosure, when ECG element comprises three electrodes, described three
One of individual electrode is drive electrode, and two other electrode constitutes one group of differential electrode.Described flexible substrate
It is a printed circuit board (PCB), this printed circuit board (PCB) is embedded with some electronic components, thus constitutes processor,
Electrically connected with described corresponding electrode slice by the holding wire being arranged in described each supporting leg, thus, obtain
Fetch the signal of telecommunication from each electrode slice, and the signal of telecommunication acquired in processing thus form output signal.Institute
Stating processor and include front-end circuit, the signal of described differential electrode is directly input into well described front-end circuit
In instrument amplifier, thus amplify the algebraical sum of signal of described differential electrode input.
Attitude information collecting device according to the disclosure, also includes: memorizer, for storage from described
The output signal of reason device output.Described flexible substrate is a kind of flexible sheet support, and it is fitted at electrode
It is can to match with the body surface of human body to human body surface.
Attitude information collecting device according to the disclosure also includes power supply, and it provides electric power for processor.Root
Also including wireless communication interface according to the attitude information collecting device of the disclosure, described processor passes through it by institute
The signal processed radios to a signal receiving device.Additionally, the end shape of described three supporting legs
Become arbitrary triangle.Further, the bottom surface of described electrode slice there is the conducting resinl adhering to human body surface.Enter
One step, the end of described supporting leg is integrated with button plug-in unit, and described button plug-in unit matches with described electrode.
To sum up, according to the information collecting device of the disclosure, can facilitate and accurate human body ECG and body appearance information,
To part human body emergency case, such as motion, sleep, everyday actions, fall, it is possible to reliable early warning, very
To carrying out attitude correction.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet these public affairs
The embodiment opened, and for explaining the principle of the disclosure together with description.
Shown in Figure 1A-1C is the schematic diagram of the information collecting device according to the disclosure.
Shown in Fig. 2 is the partial sectional view of the attachment structure of the electrode slice according to the disclosure.
Shown in Fig. 3 is the circuit diagram according to the attitude information collecting device that embodiment of the disclosure.
Shown in Fig. 4 A and 4B is the schematic diagram of the attitude information collecting device use state according to the disclosure.
Shown in Fig. 5 A is that conventional ECG attitude information collecting device is gathered under user's ambulatory status
ECG signal schematic diagram.And
Shown in Fig. 5 B is that the attitude information collecting device according to the disclosure is adopted under user's ambulatory status
The schematic diagram of the ECG signal of collection.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Following
When description relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous
Key element.Embodiment described in following exemplary embodiment does not represent the institute consistent with the disclosure
There is embodiment.On the contrary, they only with as appended claims describes in detail, the one of the disclosure
The example of the apparatus and method that a little aspects are consistent.
The term used in the disclosure is only merely for describing the purpose of specific embodiment, and is not intended to be limiting
Originally open." a kind of ", " described " of singulative used in disclosure and the accompanying claims book
" it is somebody's turn to do " be also intended to include most form, unless context clearly shows that other implications.Also should manage
Solving, term "and/or" used herein refers to and comprises one or more project of listing being associated
Any or all may combination.
Although should be appreciated that may use term first, second, third, etc. various to describe in the disclosure
Information, but these information should not necessarily be limited by these terms.These terms only be used for by same type of information that
This distinguishes.Such as, without departing from the scope of this disclosure, the first electrode can also be referred to as
Two electrodes, similarly, the second electrode can also be referred to as the first electrode.Depend on linguistic context, as in this institute
Use word " if " can be construed to " and ... time " or " when ... time " or " response
In determining ".
In order to make those skilled in the art be more fully understood that the disclosure, below in conjunction with the accompanying drawings and specific embodiment party
The disclosure is described in further detail by formula.
Shown in Figure 1A-1C is the schematic diagram of the attitude information collecting device according to the disclosure.Such as Figure 1A institute
Show, include flexible substrate 110 according to the attitude information collecting device 100 of the disclosure, this flexible substrate bag
Include three supporting legs 120.Although being described as an example with three supporting legs in the disclosure, but this
Frame can also only include two supporting legs, or can include 4 or 5 supporting legs.This attitude information gathers
Equipment 100 also include the electrode slice 130 being arranged on each supporting leg 120 and be arranged on flexible substrate its
The posture sensing unit 150 of its position.When having 4 or during 5 supporting legs, it is only necessary to 2 or 3 wherein
Installing electrode slice on individual supporting leg, other supporting leg not installing electrode can play balance and center rest attaches
Effect at human body surface.Although flexible substrate is shown as a kind of three leg structures in shown accompanying drawing,
But can also directly use overall laminated structure as required, the structure such as the most circular, oval, square,
And electrode slice may be mounted at the different directions of this laminated structure.The disclosure uses the most in instances and props up
Lower limb structure, its purpose is to save the material of support and alleviate the weight of support.According to the disclosure,
Support employing laminated structure also can realize the purpose of the technology of the disclosure.
Described flexible substrate 110 is that the materials such as silica gel, thermoplastic elastomer (TPE) or silicones are constituted so that will
The equipment curve that clings to the body is more prone to, so that the layout of electrode is more flexible.At this flexible substrate
Major part, such as three supporting legs 120 intersect center be implanted with printed circuit board (PCB) (PCB),
Or this flexible substrate 110 inherently printed circuit board (PCB).This printed circuit board (PCB) includes and will retouch below
The processor 1105 stated, this processor includes for receiving before the signal of telecommunication of each electrode 130
Terminal circuit 1110, microcontroller MCU 1120, Power Management Unit 1130 and power supply 1140, this
Will be described in detail later.
The electrode of the ECG information recording equipment of this three electrodes uses 3 layouts, generally these three electrodes
Become equilateral triangle arrangement, it is possible to make breast paste stress equalization, it is simple to wear for a long time, effectively provide one
Plant stationary mode, therefore efficiently reduce the probability that electrode slice comes off from user's body surface.Conventional information
The input resistance of harvester is determined by the inclined resistance that draws of lead-fail detector testing circuit, usually 10M Ω,
When in motion, there is fluctuation with the contact resistance of electrode slice in skin, and the contact resistance of fluctuation is on path
With draw inclined resistant series, thus create the interference signal that be enough to affect ECG signal, therefore tradition letter
Breath harvester reduces the information collecting device sensitivity to user movement by improving input resistance.?
In three electrode slices according to the disclosure, lead-fail detector circuit there are two difference button draws inclined resistance,
Increasing pulling-on piece resistance and i.e. reduce pulling-on piece electric current, the input impedance of ECG circuit is mainly by pulling-on piece resistance and amplifier
Input impedance is constituted, and owing to amplifier input impedance is very big, therefore the input impedance of ECG circuit is mainly by drawing
The resistance of sheet resistance determines, the resistance therefore increasing pulling-on piece resistance i.e. adds input impedance.Thus, realize
The inclined resistance is drawn to reduce the purpose of motion sensitivity by increasing lead-fail detector.I.e., it is possible to raising attitude
The input resistance of information collecting device, i.e. improves the input resistance of ECG Acquisition Circuit, thus reduces attitude
The information collecting device sensitivity to user movement.
Need electrode cable different, according to the reality of the disclosure from common portable attitude information collecting device
The connection holding wire executed between the electrode 130 in example and processor 1105 embedded in flexible substrate 110.Root
According to disclosure attitude information collecting device be effectively shortened connect holding wire length thus completely without
Consider the motion of relative user's body surface of electrode cable.This structure eliminates simultaneously or minimizes connection
Holding wire and the relative motion of electrode slice 130.Owing to there is no motion conduct in signal collecting device, because of
This, can eliminate the motion of lead wire and electrode and produce, can cause gathered signal (example
Such as ECG signal) in amplitude spike, various noise and the motion artifacts of fuzzy tracking.Some fortune
Moving noise is identical with the frequency separation of ECG signal and is therefore difficult to be eliminated by electronic filter or algorithm.
Owing to motion artifacts is the most universal in dynamic monitoring and record system, therefore, eliminates or minimize
Motion artifacts is highly profitable.Compared with traditional ECG attitude information collecting device, according to the disclosure
Embodiment in provide unified collocation can export excellent ECG signal.
Owing to information collecting device being integrated with posture sensing unit, therefore, when mounting ECG element,
Posture sensing unit can be used to guide user correctly to mount ECG element.It is additionally, since posture sensing unit
And fixed position relation between ECG element and ECG element are once by after attachment and between user
Fixed position relation, user can judge to wear this ECG unit by the signal that posture sensing unit is exported
The state of lying that is in standing or crouching of the user of part, say, that may determine that whether user falls.This
Outward, it is also possible to according to the cyclically-varying of the information that posture sensing unit is exported, it is judged that whether user locates
In running state.
According to embodiment of the disclosure, each attitude information collecting device has three ECG electrode 130.
In order to electrode stably being attached on user's epidermis, generally use conventional conducting resinl and before attaching to
Family the epidermis attached is carried out Medical Treatment.The spacing (the triangle length of side) of electrode 130 be 1 to
Between 6 centimetres, generally could be arranged to 3,4,5 centimetres.Flexible substrate 110 user oriented epidermis
One side can also apply one layer of non-conductive medical adhesive oxidant layer, for the most firm attitude information collection
Laminating stability between equipment and user's epidermis.Certainly, close together due between electrode 130,
And electrode slice scribbles conducting resinl in the face of the one side of user's epidermis, therefore, is not usually required at this flexibility base
Medical adhesive oxidant layer is applied on sheet.The difference of the signal collecting device shown in the Figure 1A shown in Figure 1B and 1C
The three-dimensional view of angle.
The flexible substrate of the attitude information collecting device according to the disclosure can also use the bullet with breathability
Property material is made.Or, some ventilative through holes are increased at the position of the uneasy electronic components of flexible substrate
To maintain the comfort level of user's skin surface.This flexible substrate can use rotation page structure (as shown in the figure),
So can increase the length of linking arm in the case of not increasing overall dimensions, its pliability can be improved.
Selectively, other layout type can also realize, and the even mode of non-triangular still can be correct
Realize this function.
Shown in Fig. 2 is the partial sectional view of the attachment structure of the electrode slice according to the disclosure.Such as Fig. 2 institute
Showing, in this attitude information collecting device, electrode slice 130 is inserted by the convex surface button connection on its upper surface
The button connection slot 1210 of 1310 ends inserting the supporting leg 120 being positioned at flexible substrate 110 and consolidate
It is scheduled on flexible substrate.In the case of electrode slice is connected with supporting leg end, electrode slice 130 is sensed
The signal of telecommunication passes to processor 1105 by the holding wire 1150 embedded or implant in supporting leg.Due to signal
Line 1150 embeds and implants in supporting leg, therefore, within the monitoring cycle, and electrode slice, processor and signal
All without relative motion occurs between line.Although being shown as in Figures IA-1 C for buckle electrode slice 130
Supporting leg on button connection slot 1210 be positioned at the end of supporting leg, but, this button connection slot 1210 can
To be positioned on supporting leg the position of some away from end, or multiple button can had to join on a supporting leg
Slot 1210, thus user can according to oneself need regulate the electrode slice 130 peace on supporting leg 120
Holding position, in order to being applicable to the user with different building shape or curve about electrode slice 130, user is permissible
Using on market can the ECG electrode of user.About the connected mode of electrode slice 130 with supporting leg end, use
Family can the most in different ways, as long as both can transmit the sensed telecommunications of electrode slice after connecting
Number to processor.Conventional wearable dynamic Ecg device using built-in electrode as of equipment
Point, therefore, need after using to abandon whole equipment, because electrode can not be changed.According to the disclosure
Attitude information collecting device, its electrode is by the separable company of eye-splice ear with the flexible substrate comprising circuit
Connect.When user is after carrying out once long-time ECG ecg signal acquiring, can be by electrode from flexible substrate
On take off and lose.This flexible substrate then can be reused together with new electrode.Such arrange fair
Permitted use the electrode of user's needs and can select have behind according to the difference of user's skin sensitivity
The electrode of different adhesive layers, therefore, user use more convenient flexibly.
Owing to the disclosure uses the electrode slice on market rather than electrode special pieces make disclosed attitude information
Collecting device uses and also makes user more convenient flexibly.In one embodiment, in order to obtain
Signal quality, preferably can select silver chloride gel electrode as one, because it can provide low biasing
Voltage and to eliminate motion spurious signal helpful.
Shown in Fig. 3 is the circuit diagram according to the attitude information collecting device that embodiment of the disclosure.
As it is shown on figure 3, the circuit of attitude information collecting device 100 by electrode 130, be positioned at flexible substrate 110
On processor 1105 and posture sensing unit 150 constitute.This processor 1105 is integrated with front end
Circuit 1110, microprocessing unit 1120, Power Management Unit 1130.This front-end circuit 1110 includes instrument
Table amplifier (IA) 1150 and operational amplifier 1160.Wherein two electrodes in three electrodes 130
Constituting the electrode 1 in a pair differential electrode, such as Fig. 3 and electrode 2, it can also be numbered as in fact
Electrode 2 and electrode 3.Another electrode in three electrodes 130, such as the electrode 3 in Fig. 3, as
Drive electrode, is connected with operational amplifier 1160.
Instrument amplifier (IA) 1150 is a kind of to have closing of Differential Input and relative reference edge Single-end output
Ring gain component, has the Single-end output of Differential Input and relative reference edge.Different from operational amplifier it
Place be the closed loop gain of operational amplifier be by the non-essential resistance being connected between inverting input with outfan certainly
Fixed, instrument amplifier then uses and the internal feedback resistor network of input isolation.The 2 of instrument amplifier
Individual differential input end applies input signal, and its gain can be preset by inside, it is possible to is passed through pin by user
Inside is arranged or by preset with the outside gain resistor that input signal is isolated.Therefore, compare and only adopt
Need to provide the operational amplifier of bigger amplification with two electrodes for, due to described information gathering
The differential signal of two electrodes is directly input to instrument amplifier by equipment, and constitutes one group of differential electrode
The signal of two electrodes be usually homophase Differential Input mode, homophase input can increase substantially circuit
Input impedance, i.e. by using an electrode slice in electrode to provide reference potential, advantageously reduce
Common mode disturbances, improves input impedance, thus, reduces the circuit decay to faint input signal, and poor
Divide input that circuit can be made only difference mode signal to be amplified, and common mode input signal is only risen Following effect, make
The ratio (i.e. common mode rejection ratio CMRR) that must deliver to the difference mode signal of rear class and the amplitude of common-mode signal is carried
Height, therefore, the configuration using three electrodes and corresponding instrument amplifier can the amplification of effective step-down amplifier
Multiple.
Described posture sensing unit 150 senses the various attitudes of user.Posture sensing unit 150 be based on
The high performance three-dimensional motion attitude measuring system of MEMS technology.It comprises three-axis gyroscope, 3-axis acceleration
The motion sensors such as meter, three axle electronic compass, are obtained through excess temperature by embedded low-power consumption arm processor
The data such as the 3 d pose of degree compensation and orientation.Three-dimensional algorithm based on quaternary number and special data is utilized to melt
Conjunction technology, exports the zero shift 3 d pose bearing data represented with quaternary number, Eulerian angles in real time.Attitude
Sensing unit can extensively be embedded into model plane unmanned plane, robot, machinery The Cloud Terrace, shipping vehicle, ground and
Underwater installation, virtual reality, human motion analysis etc. needs the autonomous product measuring 3 d pose and orientation
In equipment.
The posture sensing unit 150 including three axle acceleration sensors is arranged in flexible substrate 110.?
When described flexible substrate is attached to the human body surface of user, described 3-axis acceleration sensor can monitor user
Motion and direction, it changes and output signal according to user (or flexible substrate) motion and direction
Magnitude of voltage, the signal of X, Y, Z axis acceleration when not moving or not by action of gravity is 0g,
It is output as a magnitude of voltage.3-axis acceleration sensor has different grade of sensitivities, if along certain
One direction motion, or by action of gravity, output voltage will be according to its direction of motion and setting
Transducer sensitivity and change its output voltage.The voltage of output is again by microprocessing unit 1120
Data acquisition unit 1170, other data processing module (not shown) in microprocessing unit 1120 enter
Row A/D (analog) changes, it is possible to read the attitude letter of user (that is, with the user of flexible substrate)
Number so monitoring user kinestate.
This data acquisition unit 1170 includes local memory device, user's attitude signal number that storage is received
According to, the attitude signal data of flexible substrate in other words.Microprocessing unit 1120 can pass through its bluetooth module
Received family attitude signal data are sent directly to external process devices by 1180, such as mobile terminal
Client, mobile communication equipment (such as, the mobile phone) (not shown) of such as user, thus on mobile phone
Client display flexible substrate attaching state.Thus, due to flexible substrate and posture sensing unit it
Between definitely fixing space vector, when user carries out flexible substrate attachment, specifically, user
When carrying out the attachment of ECG information collecting device, user has only to the pasted electrode sheet determining on health,
The information being sent to client that just can be sensed based on posture sensing unit (G sensor), adjusts
The attachment direction of whole information collecting device.It is to say, posture sensing unit can guide user correctly to paste
Electrode slice in dress information collecting device.In information collecting device (such as Ecg device), electrode slice is just
The material impact that really ECG signal is gathered by attachment.
Selectively, SIM module (not shown) can be installed on flexible substrate, will by SIM
User's attitude information data are sent to the management subscription client being associated with this information collecting device.User
Described posture sensing unit data model under user falls state can be stored in client.Subsequently,
When user wears the attitude information collecting device of the with good grounds disclosure, and during user's accidentally tumble, information
Acquired data are sent to process by three axle acceleration sensors in the posture sensing unit in collecting device
Device, is sent to the client of custodial care facility subsequently by processor by SIM module.Client will be from appearance
The data model that the data that state sensing unit obtains and user fall under state compares, and according to comparing
Result (such as, both are closely similar), sends, to the guardian of user, the warning that user falls.
Described information collecting device can be bound with mobile phone account by its unique Quick Response Code, thus passes through
Processor the data that gathered are sent to in the APP account of this apparatus bound.
Selectively, in the information collecting device of the disclosure, it is also possible to integrated GPS information module, from
And the geographical location information of user can be provided to client by SIM module.So, fall user
Time, guardian can position more rapidly customer location, it is possible to take in time urgent measure.
The obtained ECG signal of front-end circuit 1110 is input to the data acquisition unit of microprocessing unit 1120
1170.This data acquisition unit 1170 includes local memory device, the ECG signal data that storage is received.
Received ECG signal can be directly transmitted by microprocessing unit 1120 by its bluetooth module 1180
To external process devices, the client of such as mobile terminal, thus form common ECG figure signal.
Alternatively, it is also possible to arrange USB interface on this information collecting device, will by USB connected mode
Data are transferred to external process devices.Power supply 1140 is the battery of a kind of miniaturization, adopts for this attitude information
All electronic components of collection equipment provide electric energy.The electric energy of this battery not only should be able to maintain this attitude to believe
Breath collecting device runs 1 year as long as in stand-by mode, additionally it is possible to maintain it normally to work at least 5-10 days.
By using this three electrode slice structures of electrode 1-3, it is possible to realize the good collection to small-signal
Effect, i.e. by using the electrode slice (such as electrode 3) in electrode 130 to provide reference potential,
Advantageously reduce common mode disturbances, improve input impedance.So-called " differential electrode " is comparatively speaking,
In three electrodes, one of them electrode is used for providing reference potential, and the signal of ECG is two other electrode
Between potential difference.Substantially a kind of unipolar chest lead structure of attitude information collecting device according to the disclosure,
One of them, as reference electrode, obtains the potential difference input letter as ECG signal of two other electrode
Number.Although one of them electrode being referred to as reference electrode at this, it is real in this attitude information collecting device
It it is drive electrode on border.It is pointed out that in the attitude information collecting device of only two electrodes,
One of them electrode, as reference electrode, may result in common-mode voltage, and this common-mode voltage is to being gathered
Signal, such as ECG signal, have an impact.Common mode disturbances is usually Hz noise, this interference exist with
Between object outside object being measured and object being measured, on ECG, it is current potential and the people of human body
Potential difference between the current potential of the object (being typically the earth) outside body.ECG patch entirety is mounted on human body
With, the common mode disturbances that therefore major part conventional ECG acquisition mode exists is sticked at ECG and is not existed, by
Therefore there may be faint common mode disturbances with ECG patch with clothes etc. in external electromagnetic field, therefore use IA
Eliminate this faint common mode disturbances, it is hereby achieved that good ECG waveform.
As it is shown on figure 3, this information collecting device also includes LED and key-press module.LED can provide report
Alert instruction, such as electric power deficiency and electrocardiogram appearance are abnormal.Button can provide the user logical
Telecommunication function, such as, under specific circumstances, user can send distress signal by button to guardian,
To obtain help in time.
Shown in Fig. 4 A and 4B is the schematic diagram of the attitude information collecting device use state according to the disclosure.
As illustrated in figures 4 a and 4b, three electrode attitude information collecting devices can be attached to left chest position, the most close
The position of heart, can gather electrocardiogram, i.e. gather ECG signal.User can obtain one by test
The mounting position that individual signal is good, and remember this position to mount next time.But, due to the disclosure
Being integrated with posture sensing unit 150 in information collecting device, therefore, the ECG information collection of the disclosure sets
Standby can the vertical angle of perception flexible substrate, thus guide user to mount, and therefore obtain more accurate
True ECG signal.In actual product, three electrode slices are identical, but have mark on apparatus main body
Show which electrode is that in driving motor, i.e. view, the electrode slice of bottom is drive electrode.It practice,
The output of good ECG signal just it is obtained in that without deliberately adjusting position during actually used, because this
Disclosed attitude information collecting device uses above-mentioned three-electrode structure, even if at two " differential electrodes "
Be in human body isoelectric level or near with equipotential line (line of right lower limb to left hand is referred to as equipotential line)
Time, and when the lead signals having fraction people is more weak, by differential electrode and instrument amplifier
Obtain preferable ECG signal.
Shown in Fig. 5 A is that conventional ECG attitude information collecting device is gathered under user's ambulatory status
ECG signal schematic diagram.Shown in Fig. 5 B is that the attitude information collecting device according to the disclosure is in user's walking
The schematic diagram of the ECG signal gathered under state.The ECG waveform shown such as Fig. 5 A and 5B can be obvious
Finding out, the ECG electrocardiogram that the employing traditional E CG attitude information collecting device shown in Fig. 5 A is gathered shows
Go out various amplitude spike, various noise, unstability of base line, little compound (small complexes) and mould
The phenomenons such as the motion artifacts that paste is followed the tracks of, and the employing shown in Fig. 5 B is adopted according to the ECG attitude information of the disclosure
The ECG electrocardiogram baseline that collection equipment is gathered is steady, there is not amplitude spike, is substantially not present noise,
Motion artifacts particular without fuzzy tracking.Generally, motion artifacts is in dynamic monitoring and record system
It is the most universal, and motion artifacts is identical with the frequency separation of ECG signal and is therefore difficult to by electricity
Subfilter or algorithm eliminate, and therefore, eliminate or minimize motion artifacts to obtaining ECG electrocardio accurately
Figure is highly profitable, and contributes to doctor and carries out medical judgment accurately.By above-mentioned contrast it can be found that, adopt
With the three electrode information collecting devices being integrated with posture sensing unit according to the disclosure, it is possible to correctly paste
Dress information collecting device, and advantageously gather human body simulation in limits very much and lead, i.e. standard lead
Outside the ECG signal that obtains of human body any two points, even and if user carry out more violent motion, should
Device also can in long-time obtain stable ECG simulation and lead waveform.
In sum, triangle is mainly used according to the structure of three electrode attitude information collecting devices of the disclosure
Shape integration arranges, it is possible to make breast paste stress equalization, it is simple to wear for a long time, allow that user is 24
Using in hour or in the case of carrying out its routine work for more time, this has just encouraged user often to carry out
Such information gathering.
Although above description is carried out based on ECG signal, but this equipment can be used for other signal
Collection.
The ultimate principle of the disclosure is described above in association with specific embodiment, however, it is desirable to it is noted that
For those of ordinary skill in the art, it is to be understood that disclosed method and device whole or appoint
What step or parts, can be at any calculating device (including processor, storage medium etc.) or meter
Calculating in the network of device, realized with hardware, firmware, software or combinations thereof, this is ability
Territory those of ordinary skill just uses their basic programming skill in the case of the explanation having read the disclosure
Can realize.
Therefore, the purpose of the disclosure can also be by running a program or on any calculating device
Group program realizes.Described calculating device can be known fexible unit.Therefore, the purpose of the disclosure
Can also be real only by providing the program product comprising the program code realizing described method or device
Existing.It is to say, such program product also constitutes the disclosure, and storage has such program product
Storage medium also constitute the disclosure.Obviously, described storage medium can be any known storage medium
Or any storage medium developed in the future.
It may also be noted that in the apparatus and method of the disclosure, it is clear that each parts or each step are
Can decompose and/or reconfigure.These decompose and/or reconfigure should be regarded as the disclosure etc. efficacious prescriptions
Case.Further, perform above-mentioned series of processes step can order the most following the instructions in chronological order
Perform, but be not required to perform the most sequentially in time.Some step can parallel or independently of one another
Ground performs.
Above-mentioned detailed description of the invention, is not intended that the restriction to disclosure protection domain.People in the art
Member it is to be understood that depend on design require and other factors, can occur various amendment,
Combination, sub-portfolio and replacement.Amendment, the equivalent made within any spirit in the disclosure and principle are replaced
Change and improvement etc., within should be included in disclosure protection domain.
Claims (11)
1. an attitude information collecting device, including:
ECG element；And
The posture sensing unit being fixedly mounted on ECG element, described posture sensing unit senses ECG unit
Directional information is also exported and carries out the client of communication with described attitude information collecting device by the direction of part.
2. attitude information collecting device as claimed in claim 1, wherein, described ECG element includes two
Individual or three electrode slices.
3. attitude information collecting device as claimed in claim 1 or 2, wherein, described ECG element
Electrode slice is removably mounted on the diverse location of ECG original paper.
4. attitude information collecting device as claimed in claim 3, the wherein said ECG comprising three electrodes
One of electrode in element is drive electrode, and two other electrode constitutes one group of differential electrode.
5. attitude information collecting device as claimed in claim 4, described ECG element contains and has on it
The flexible substrate of printed circuit board (PCB), is embedded with some electronic components on this printed circuit board (PCB), thus constitutes
Processor, is electrically connected with described corresponding electrode slice by the holding wire being arranged in described each supporting leg,
Thus, obtain from the signal of telecommunication of each electrode slice, and the signal of telecommunication acquired in processing thus form output
Signal.
6. attitude information collecting device as claimed in claim 5, wherein said processor includes front end electricity
Road, the signal of described differential electrode is directly input into well the instrument amplifier in described front-end circuit, by
This amplifies the algebraical sum of the signal that described differential electrode inputs.
7. attitude information collecting device as claimed in claim 6, also includes: memorizer, is used for storing
The output signal exported from described processor.
8. attitude information collecting device as claimed in claim 6, wherein said flexible substrate is a kind of soft
Property sheet stent, it is bonded to human body surface at electrode is can to match with the body surface of human body.
9. attitude information collecting device as claimed in claim 3, also includes wireless communication interface, described
The signal of handled mistake is radioed to a signal receiving device by it by processor.
10. attitude information collecting device as claimed in claim 4, wherein said three electrode slices are formed appoints
Meaning triangle.
11. attitude information collecting devices as claimed in claim 3, wherein said ECG element is integrated with
Button slot, described button slot matches with the button plug of described electrode.
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| CN201610291027.XA CN105997049A (en) | 2016-05-04 | 2016-05-04 | Posture information acquisition device |
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| CN201610291027.XA CN105997049A (en) | 2016-05-04 | 2016-05-04 | Posture information acquisition device |
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