CN103190897A - Multi-lead synchronous electrocardiogram signal acquisition method and handheld multi-lead synchronous electrocardiogram signal acquisition device - Google Patents
Multi-lead synchronous electrocardiogram signal acquisition method and handheld multi-lead synchronous electrocardiogram signal acquisition device Download PDFInfo
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- CN103190897A CN103190897A CN201310141841XA CN201310141841A CN103190897A CN 103190897 A CN103190897 A CN 103190897A CN 201310141841X A CN201310141841X A CN 201310141841XA CN 201310141841 A CN201310141841 A CN 201310141841A CN 103190897 A CN103190897 A CN 103190897A
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Abstract
A handheld electrocardiogram acquisition device (1) comprises a box (10). A left-leg electrode (6) and a reference electrode (7) which can be in contact with the left leg of a user are arranged on the bottom surface of the box (10), and a left-hand electrode (2) and a right-hand electrode (4) are arranged at other positions of the box (10). During usage, the user holds the electrocardiogram acquisition device (1) by a hand, the left-hand electrode (2) is in contact with the left hand of the user, the right-hand electrode (4) is in contact with the right hand of the user, and the electrocardiogram acquisition device (1) is pressed on the left leg of the user, so that both the left-leg electrode (6) and the reference electrode (7) are in contact with the left leg of the user, and synchronous multi-lead electrocardiogram signals can be acquired. The handheld electrocardiogram acquisition device has the advantages that the device is simple in use and convenient to operate, the synchronous multi-lead electrocardiogram signals can be acquired, accordingly, valuable electrocardiogram signals can be provided for diagnosis and analysis, and the handheld electrocardiogram acquisition device is easy to popularize.
Description
Technical field
In general, the present invention relates to ECG signal acquisition methods and electrocardiosignal deriving means, especially a kind of hand-held multi-lead electrocardiogram signal acquiring method, and a kind of hand-held multi-lead synchronous electrocardiosignal deriving means of developing according to this method.
Background technology
Usually measure the information that provides about testee's cardiac function with electrocardiosignal deriving means (ECG).By sensor being placed on testee's suitable position, electrode records waveform and sends for example ECG device or electrocardio record instrument (hoter) to from testee's human body surface, after amplifying, show or print the wavy curve figure of expression testee heart condition, analyze and diagnose to offer doctor or professional and technical personnel.
Obtain the low current signal of heartbeat from body surface, need arrange two electrodes at body surface at least.Low current signal between two electrodes is inserted galvanometric negative electrode and anode respectively by lead, just constitute lead (lead).Obtain electrocardiosignal the various modes of leading are arranged, for example commonly used have standard lead (standard leads) I, II, an III, Wilson precordial leads (precordial leads) V1-V6, augmented unipolar limb lead (augmented unipolar limb leads) aVR, aVL, aVF, these 12 also formation 12 lead electrocardiogram commonly used of leading.Because the precordial leads electrode all is to be arranged on the thoracic wall at present, therefore precordial leads is also referred to as thoracic wall lead (chest leads), and number also is not limited to six of former V1-V6, but extend to right breast and left breast back, lead commonly used have V3R, V4R, the V5R of right chest position, a left side commonly used the leading of breast back has V7-V9, and lead and 12 of the routine of these expansions led and also constituted 18 conventional at present lead electrocardiogram together.
Arrangement of electrodes can obtain to reflect the action message of heart different parts in different positions.For example, precordial leads is centered around a plane of structure of left and right ventricles, can reflect the active situation of heart plane of structure (horizontal plane) part scope.And standard lead and augmented unipolar limb lead are the arrangement of electrodes object with extremity, can reflect the active situation of heart face amount (frontal plane).In order to obtain sufficient information in order to testee's heart condition is carried out analyzing and diagnosing, usually need the multi-lead electrocardiosignal, synchronous multi-lead electrocardiosignal particularly, this need arrange a plurality of electrodes at corresponding a plurality of anatomical locations, often needs the professional of professional institution just can carry out.But arrhythmia often is again paroxysmal, and people need can oneself in time test to record at any time arrhythmia further to observe and to analyze especially in usual life.In view of this, prior art provides multiple portable electrocardiograph, for example referring to patent documentation 1.
Yet existing (for example patent documentation 1) disclosed portable hand-held electrocardio deriving means all is the electrocardio deriving means that singly leads, and the two torch utmost point and indifferent electrodes obtained the standard I lead electrocardiogram about it passed through.Though this electrocardio deriving means is simple to operate, be easy to carry, but because electrocardiogram of leading not more, have only standard I to lead, can't diagnose most of myocardial ischemia disease, particularly do not have standard I I lead electrocardiogram, can not sample effective standard P ripple, so atrial arrhythmia is not had the important diagnostic meaning.Some single lead electrocardiogram instrument also can contact different anatomical locations with electrode and obtain the electrocardiosignal that difference is led, and electrocardiosignal is not synchronous but the difference that obtains is led, and is also very unfavorable for state of an illness diagnosis.
Patent documentation 1: Chinese patent discloses CN1868400A number
Therefore, provide a kind of low price, volume is minimum, and is easy to carry, and the electrocardiosignal deriving means of obtained multi-lead synchronous electrocardiosignal of being convenient to layman operation is extremely important.
Summary of the invention
It is basic engineering that this electrocardiosignal deriving means adopts traditional electrocardio Wilson lead system, adopted and present existing 10 electrodes, 12 lead electrocardiogram and singly lead hand-held cardiac electric recording apparatus different structure and using method, that is: this signal of telecommunication deriving means is provided with the left hand electrode, right hand electrode, left side lower limb electrode and reference electrode, adopt the hand-held electrocardiosignal deriving means of both hands, compress left hand electrode and right hand electrode, and two electrodes in addition that go out with device panel epirelief are simultaneously pushed down left lower limb skin, form synchronous I, the II electrocardiogram that leads uses mathematical formulae to calculate III again, aVR, aVL, four limb leads of aVF are formed whole 6 limb leads.
An embodiment of the invention are a kind of hand-held electrocardio deriving means, be used for obtaining electrocardiosignal, comprise box body, described box body is provided with left hand electrode and right hand electrode, and can be simultaneously and the left lower limb electrode of the contact skin of user left side lower limb and reference electrode totally four electrodes.
Owing at a box body four electrodes are set, comprise that the reference electrode that contacts with right lower limb and left lower limb electrode with routine are set on the box body, and make its all with left lower limb contact skin, but therefore in whole 6 Electrocardiographic whiles of limb lead of synchronization gain, realize the miniaturization of box body, be convenient to the user box body for example is placed in the pocket, can carry out the electrocardiogram test whenever and wherever possible as required.In addition, because electrode do not need contact with right lower limb, need draw left lower limb trouser legs, therefore, reduce the operation that the user has drawn trouser legs, for etc. handicapped people especially the old people is very convenient.In addition, need slough inconvenient and awkward that medicated clothing brings in the time of can also avoiding waiting in public places the many places of people to carry out the test of multi-lead electrocardiosignal.
Preferably, described left lower limb electrode and described reference electrode are arranged on the same one side of described box body.Because left lower limb electrode and reference electrode are arranged on the same one side of box body, the one side of being convenient to will to be provided with left lower limb electrode and reference electrode when gripping described electrocardio deriving means is pressed and is pressed on the left lower limb.
Preferably, the distance between described left lower limb electrode and the described reference electrode is adjustable.So, the user of applicable all ages and classes uses.
In one embodiment, the described left lower limb electrode of described electrocardio deriving means and the electrode contact of described reference electrode protrude from described box surface, and the distance that described electrode contact leaves described box body is variable.Because leg electrode can stretch, therefore for the user who very becomes thin, even skin subsides, electrode also can contact with leg skin well.
Preferably, described electrode contact is subjected to the effect of elastic pressure, can guarantee further that so described electrode contact can contact with the skin of the left lower limb of user is stable all the time.
In one embodiment, the box body of described electrocardio deriving means is provided with and prevents that user's left hand and the right hand from holding anti-structure.So, user's left hand contacts right hand electrode and right hand contact left hand electrode in the time of can avoiding using, and avoids obtaining correct Electrocardiographic defective.
In one embodiment, be provided with circuit in the box body of described electrocardio deriving means, described circuit comprises wireless communication module.So, this electrocardio deriving means can carry out radio communication with various digital terminals or tele-medicine work station, and the electrocardiosignal of being convenient to obtain in time sends, and also making the result who diagnoses by analysis turn back to this electrocardio deriving means becomes possibility.
Preferably, described wireless communication module can with digital terminal, for example mobile phone, panel computer, notebook computer etc. carry out radio communication by bluetooth.So, can utilize the digital terminal data-handling capacity that particularly the portable digital terminal is powerful to show the electrocardiogram that obtains, having satisfied the user can be in real time or in time see test waveform and other results' hope, and the circuit of this electrocardio deriving means itself can greatly be simplified, thereby simplify the structure of this electrocardio deriving means, reduce cost.
In one embodiment, described electrocardio deriving means comprises circuit such as memorizer and driver module, and described box body is provided with display screen.So, this electrocardio deriving means can constitute the complete electrocardiograph of a miniaturization, and the user can directly and in real time see ecg wave form and other test results at the display screen of this electrocardio deriving means.
Preferably, this electrocardio deriving means can design with one such as various digital terminals such as mobile phone, panel computers.So, the amusement of various hand-held digital terminals, various beneficial functions such as communicate by letter, surf the web both can have been kept, can utilize this hand-held digital terminal conveniently and in real time to measure electrocardiogram again, and show or test result is provided, thereby enlarged the function of digital terminal, promoted the scope of application of digital terminal.
In one embodiment, described electrocardio deriving means be provided with can external cardiac diagnosis lead signal the lead signals interface.So, can be connected with other electrocardioelectrodes by multiple extended mode, thereby the electrocardiogram of multi-lead more of synchronization gain simply and easily satisfies the more Electrocardiographic needs of multi-lead of some special illness analysis and diagnosis needs.
In one embodiment, the present invention relates to a kind of electrocardiosignal acquisition methods, only by a hand-held hand-held electrocardio deriving means, and this hand-held electrocardio deriving means pressed on the skin that is pressed in the own any position of left lower limb, so, by shirtsleeve operation, the limb lead electrocardiogram just can synchronization gain as many as 6 leads.Owing to only need contact with user left side lower limb, only need draw trouser legs, can avoid waiting in public places the people how electrocardio is carried out in inconvenient places and test the inconvenience that brings, also be conducive to handicapped people such as old people and carry out the electrocardio test operation.
Preferably, described electrocardiosignal deriving means comprises box body, described box body is provided with left hand electrode, right hand electrode, left lower limb electrode and reference electrode, during use, the user hands described electrocardiosignal deriving means, contact described left hand electrode with left hand, contact described right hand electrode with the right hand, left lower limb electrode and the reference electrode of described electrocardiosignal deriving means are pressed on the left lower limb that is pressed in oneself.So, by shirtsleeve operation, the electrocardiogram of 6 limb leads of this method energy synchronization gain as many as.And because this electrocardiosignal deriving means can manufacture portable small box body, therefore, this method is highly suitable for obtaining the multi-lead electrocardiogram whenever and wherever possible.
Preferably, the electrocardiosignal deriving means that uses in the above-mentioned electrocardiosignal acquisition methods further comprises the lead signals interface, above-mentioned electrocardiosignal acquisition methods is before carrying out above-mentioned steps, comprise that also the lead signals output cable with one or more thoracic wall electrodes is connected with described lead signals interface, and described one or more thoracic wall electrodes are fixed on the corresponding anatomical location of the own thoracic wall of user.So, by shirtsleeve operation, obtaining whole 6 Electrocardiographic whiles of limb lead, easily the electrocardiogram that leads of the one or more heart walls of synchronization gain.
In the another kind of preferred implementation method of above-mentioned electrocardiosignal acquisition methods, described electrocardiosignal deriving means further comprises the lead signals interface, above-mentioned electrocardiosignal acquisition methods is before carrying out above-mentioned steps, also comprise a band shape device that is provided with a plurality of thoracic wall electrodes is fixed on user's oneself chest, and the lead signals lead-out terminal that will be arranged on described band shape device one end is electrically connected with cable with described lead signals interface.So, by more shirtsleeve operation, obtaining whole 6 Electrocardiographic whiles of limb lead, a plurality of heart walls of synchronization gain lead easily, particularly can obtain synchronous 12 easily and lead or synchronous 18 lead electrocardiogram.
Description of drawings
Fig. 1 is the end face oblique view of an embodiment of hand-held electrocardio deriving means of the present invention.
Fig. 2 is the bottom surface oblique view of an embodiment of hand-held electrocardio deriving means of the present invention.
Fig. 3 is the sketch map of a kind of using method of hand-held electrocardio deriving means of the present invention.
Fig. 4 is the structural representation of the electrode position adjustment structure that but multistage is stirred in the one embodiment of the invention.
Fig. 5 is a kind of structural representation of reconciling the columnar electrode of electrode extension in the one embodiment of the invention.
Fig. 6 is the circuit module structure chart of hand-held electrocardio deriving means of the present invention.
Fig. 7 is a kind of structural representation of the band shape device that can arrange the thoracic wall electrode in advance that can be used in combination with hand-held electrocardio deriving means of the present invention.
The specific embodiment
(basic structure and using method)
Referring to Fig. 1 and Fig. 2, hand-held electrocardio deriving means 1 integral body roughly is rectangular shape, comprises box body 10.Not as restriction, only for ease of statement, each face of definition box body 10 is respectively end face A1, bottom surface A2, leading flank A3, trailing flank A4, left surface A5, right flank A6.The end face A1 of box body 10 is provided with left hand electrode 2 and right hand electrode 4, protrudes at bottom surface A2 to be provided with left lower limb electrode 6 and reference electrode 7.
During use, as shown in Figure 3, user's 100 hand-held electrocardio deriving means 1, thumb or palm thenar portion with left hand 101 and the right hand 102 contact left hand electrode 2 and right hand electrode 4 respectively, simultaneously, electrocardio deriving means 1 pressed be pressed on the left lower limb 103 (for the user who loses shank, be movable to contact and left lower limb 103 immediate metastomiums), because the left lower limb electrode 6 and the reference electrode 7 that contacts with shank 103 protrude setting to box body 10 outside, feasible gripping electrocardio deriving means 1 and it is pressed left lower limb electrode 6 and reference electrode 7 when being pressed on the left lower limb 103 can be well and the contact skin of left lower limb 103.So, obtain the standard I lead signals from left hand 101 (anode) to the right hand 102 (negative electrode), obtain standard I I lead signals from left lower limb 103 (anode) to the right hand 102 (negative electrode).Use mathematical formulae to calculate standard I II, aVR, four limb lead signals of aVL, aVF again, thereby obtain synchronous 6 limb lead signals.If represent its corresponding electrocardiosignal of leading respectively with I, II, III, aVR, aVL, aVF, its computing formula can be expressed as:
III＝II-I (1)
aVR＝-1/2(II+I) (2)
aVL＝I-1/2II (3)
aVF＝II-1/2I (4)
Because the present invention all is arranged on left hand electrode 2, right hand electrode 4, left lower limb electrode 6 and reference electrode 7 on the hand-held electrocardio device 1, so, by operation simply, but just the synchronization gain standard I is led and the standard I I electrocardiosignal of leading.Simultaneously, by utilizing standard I to lead and the standard I I electrocardiosignal of leading is calculated, obtained further that standard I II leads and the electrocardiosignal of augmented unipolar limb lead aVR, aVL, aVF, thereby can satisfy the diagnosis of most of heart disease.
(improved hand electrode structure)
Because left hand will cause obtaining correct electrocardiogram with right hand electrodes in contact mistake (soon left hand contacts right hand electrode and right hand contact left hand electrode), a kind of improved procedure is near the filling sign 12 left hand electrode 2 of the end face A1 of box body 10 and right hand electrode 4.But, for the gerontal patient, or the people that partly can not differentiate sign, the filling label manner is still reliable inadequately, therefore, preferably grips the wrong structure that just is difficult to touch respective electrode end face A1 design right-hand man.For example, as shown in Figure 1, extend respectively from leading flank A3 to end face A1 and to be provided with two recesses that meet the human finger shape, namely left hand recess 3 and right hand recess 5 arrange left hand electrode 2 in the left hand recess 3, and right hand electrode 4 is arranged in the right hand recess 5.If electrocardio deriving means 1 is held instead from trailing flank by the patient, it will be very inconvenient finger being stretched into respective recess, thereby hold anti-mistake about helping to eliminate.Simultaneously, if the patient holds end face A1 and the bottom surface A2 of device instead, because the left hand electrode 2 and the right hand electrode 4 that contact with hands are arranged in the less recess in space, and shank is relatively sturdy and smooth, hold electrode in anti-back left hand recess 3 and the right hand recess 5 and can not contact with shank and make the patient recognize the gripping mistake, therefore so design also can be eliminated the patient box body end face A1 and bottom surface A2 are held anti-mistake.
(improved leg electrode structure)
Big or small sturdy difference for people's shank of adapting to all ages and classes can arrange the electrode position adjustment structure to reference electrode 7.The electrode position adjustment structure can be the various multistage toggle switches that can regulate the electrode position of reference electrode 7.
Fig. 4 is a kind of sketch map that comprises the electrode position adjustment structure of multistage toggle switch.This electrode position adjustment structure 8 is included in the rectangle of offering on the bottom surface A2 of box body 10 and regulates window 9, and is attached on the box body 10, with the partly overlapping switch box body 80 in adjusting window 9 positions.Switch box body 80 comprises a dismountable plate 81 parallel with the bottom surface A2 of box body 10, and Fig. 3 (a) front views outside box body 10 that are dismounting board falling 81 backs in the box body 10 wherein, Fig. 3 (b) are along the cutaway view of F-F hatching line among Fig. 3 (a).
Adjusting window 9 position overlapped with box body 10 in switch box body 80 are provided with electrode pressing plate 83, electrode pressing plate 83 covers a part of regulating window 9 along a long side direction regulating window 9, and is limited in the switch box body 80 by the restriction portion 82 at switch box body 80 two ends.Relative with electrode pressing plate 83, be set with electrode supporting plate 91 along another long side direction of regulating window 9 at box body 10.Form slit 93 between electrode pressing plate 83 and the electrode supporting plate 91, be used for laying reference electrode 7.Electrode pressing plate 83 is corrugated with the one side that electrode supporting plate 91 approaches, and alternately is made of arc-shaped depression portion 83A and arc protuberance 83B.Electrode pressing plate 83 is away from being provided with resilient support members 84 between the one side of electrode supporting plate 91 and the switch box body 80, resilient support members 84 is in the state of compression all the time, therefore can provide an elastic pressure to act on electrode pressing plate 83 all the time, and act on reference electrode 7 by electrode pressing plate 83.Flexible member 84 for example can be a compression spring, in addition, for fixing flexible member 84, can be provided for the fixedly flexible member gripper shoe 85 of the position of flexible member 84.Preferably, flexible member 84 can arrange a plurality of according to the length of electrode pressing plate 83.In addition, for the intensity of intensifier electrode gripper shoe 91, can deviate from the side that reference electrode 7 is installed at electrode supporting plate 91 one or more ribs 92 are set.
Under the normal condition, reference electrode 7 will be trapped in electrode and press between the arc-shaped depression portion 83A and electrode supporting plate 91 of the utmost point 83.Appropriateness is firmly stirred reference electrode 7, then can overcome flexible member 84 and offer the elastic pressure of reference electrode 7 by electrode pressing plate 83, make reference electrode 7 cross adjacent arc protuberance 83B and move to adjacent another arc-shaped depression portion 83A from an arc-shaped depression portion 83A.When child uses, reference electrode 7 is toggled it to the position of more close left lower limb electrode 6, make diminishing apart from d of reference electrode 7 and left lower limb electrode 6; And when the adult used, to stirring away from the direction of left lower limb electrode 6, what make the two became big apart from d with reference electrode 7.For reference electrode and left lower limb distance between electrodes, owing to medically generally require it must not be less than 4cm, therefore, preferably, when left lower limb electrode 6 and reference electrode 7 hour be roughly 4cm apart from d, when the two maximum apart from d, the two is at a distance of 10cm roughly, though excessive distance is favourable for measurement, also can strengthens the volume of hand-held electrocardio deriving means 1 and be not easy to carry.Movable reference electrode 7 is whenever stirred the distance of a removable roughly 1cm of gear.
Under some situation, the people's that some is become thin especially shank presents uneven greatly, and at this moment, even electrode contact outwards protrudes, also differing well contacts with testee's leg skin surely well.In order to address this problem, the left lower limb electrode 6 that contacts with shank and reference electrode 7 preferably electrode length can be outside box body the electrode of elastic telescopic.
Fig. 5 show a kind of electrode length can be outside box body the structure of the columnar electrode 200 of elastic telescopic, this columnar electrode 200 comprises the electrode contact 21 with testee's contact skin, can be connected with lead with signal leading-out portion 22 that signal is derived and be in electrode contact 21 and signal leading-out portion 22 between cylinder 23.Any cross section of this columnar electrode 200 is preferred rounded or oval, and the maximum gauge of cylinder 23 and signal leading-out portion 22 is roughly the same, so that pass the installing hole 15 (perhaps as above-mentioned slit 93) on the bottom surface A2 that is arranged on box body 10.In addition, the end near signal leading-out portion 22 is provided with pad draw-in groove 25 on the cylinder 23.During installation, first sheathed one hollow spring 26 on the cylinder 23 between electrode contact 21 and the box body 10 after the part of signal leading-out portion 22 and cylinder 23 is passed installing hole 15 on the box body 10, is held in electrode card on the box body 10 with pad collar 211.So, hollow spring 26 provides an elastic pressure that it is stretched out outside box body 10 as far as possible for electrode contact 21, makes electrode contact 21 to contact more well with testee's skin.
Signal leading-out portion 22 can be the structures of various suitable connection leads so that signal is derived.Bolt arrangement for example, the packing ring that is connected with lead is set on the bolt, the recycling nut screwing clamping.Preferably, signal leading-out portion 22 for example be as shown in Figure 5 shape such as fastener in be the pin thread shape of projection, during use, thereby the box that will be connected with lead and this pin thread fastening is derived signal.This removably movable connection method connects very stable, and being connected and disconnecting all easily of lead and electrode makes things convenient for the installation of electrode.
In addition, in order to reduce the wearing and tearing of hollow spring 26 and 211 pairs of box bodys 10 of pad collar, and make columnar electrode 200 mobile in the slit 93 of for example electrode position adjustment structure 8 more swimmingly, can on cylinder 23, between hollow spring 26 and the box body 10 and between box body 10 and the pad collar 211 electrode pads 210 be set.
More preferably, the diameter of this hollow spring 26 changes, and maximum in the middle of for example, two ends diminish gradually, so, when compression should be hollow during spring 26, but in the large diameter turn of turn indentation of minor diameter, makes that the length of compressing rear spring can be extremely short.
(circuit structure)
Fig. 6 is illustrated in the modular structure of the circuit 300 that arranges in the box body 10.Multichannel amplification module 30 receives from the signal of multi-electrode input and carries out processing and amplifying, under the control of microprocessor 33, through 31 conversions of A/D modular converter, analogue signal is converted into digital signal, sends to various receiving terminals by wireless communication module 32.
The basic composition module of multichannel amplification module 30, A/D modular converter 31, wireless communication module 32 and microprocessor 33 forming circuits 300, in Fig. 6, represented by solid line, it is simple in structure, and cost is low, but needs and digital terminal or tele-medicine work station are in conjunction with using.
In order to make the user that better use impression be arranged, circuit 300 also can also comprise the functional module that some are additional, represents with dotted line in Fig. 6.For example, the power module 34 that preferably uses rechargeable battery to constitute provides supply of electric power to give total circuit 300.Battery electric quantity at power module 34 manages and monitors, and makes to remind the user to carry out battery recharge electric weight monitoring module 35 when battery electric power is not enough.Certainly, at box body 10 the micro power input interface is set, for example the USB power input interface perhaps arranges above two kinds of power supply methods of supplying, to improve convenience simultaneously also to be fine from various digital terminals or other external power sources input power supply.In addition, circuit 300 can also comprise memorizer 36 and driver module 37, simultaneously, can display screen 16 be set at the end face of box body 10, makes driver module 37 drive display screen 16 and shows.Described display screen 16 for example is LCDs (LCD), or be called Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) or organic electric laser show the OLED screen of (OELD, Organic Electroluminesence Display).So, just can directly in electrocardio deriving means 1, load related software, show the electrocardiogram that obtains by display screen 16, and receive from the tele-medicine workstation servers, or the analysis returned of digital terminals such as mobile phone and panel computer and diagnostic result and show, thereby electrocardio deriving means 1 integral body can constitute a complete electrocardiograph.In addition, automatic analyzing and diagnosing software 38 can further be loaded, so that more real-time analysis and diagnostic result to be provided in memorizer 36.
Preferably, this electrocardio deriving means can design with one such as various digital terminals such as mobile phone, panel computers, share its box body and partial circuit module, for example microprocessor, wireless communication module, display etc., so, the amusement of various hand-held digital terminals, various beneficial functions such as communicate by letter, surf the web both can have been kept, can utilize this hand-held digital terminal conveniently and in real time to measure electrocardiogram again, and show or test result is provided, thereby enlarged the function of digital terminal, promoted the scope of application of digital terminal.
(other adnexaes)
But, sometimes 6 information of leading still is not enough for the diagnosis of the heart disease state of an illness, 6 lead signals particularly utilizing on the hand-held electrocardio deriving means 1 four electrodes arranging to obtain are the limb lead signal, therefore, hand-held electrocardio deriving means 1 of the present invention is provided with external lead signals interface 11 (referring to Fig. 1 or Fig. 2), can be by external one or more thoracic wall lead signals to obtain more ECG information.
When outside only needing, connecting one or two and leading, can directly for example SMD electrode or the sucked type electrode that is arranged at chest be wired to lead signals interface 11.Refer again to Fig. 3, the using method when being connected with a thoracic wall electrode 13 outside it shows.Thoracic wall electrode 13 is attached or be adsorbed on chest 105 corresponding anatomical locations, by subsidiary cable 14 electrode signal is transferred to lead signals interface 11.
Though the user can connect a plurality of outside thoracic wall electrodes simultaneously to electrocardio deriving means 1, even but with each outside thoracic wall arrangement of electrodes position in electrocardio deriving means 1 sign or explanation, it is still difficult correctly to finish being connected of the layout of these crosslinking electrodes and lead for the layman.Therefore, the lead signals that connects outside needs more preferably adopts the various band shape devices that set in advance the thoracic wall electrode, can conveniently be fixed on chest.
Fig. 7 shows a kind of band shape device that is preset with the thoracic wall electrode that can be used with electrocardio deriving means 1 of the present invention.Band body 40 in the middle of this band shape device 400 comprises and first connector 42 and second connector 43 at two ends.Band shape device 400 integral body are longilineal, that is to say from the length of first connector, 42 to second connectors 43 significantly greater than the width of band shape device 400.The length of band body 40 can be roughly corresponding to the chest width between the axillary fossa of human body both sides, also can from band body 40 near first connector 42 of end or second connector 43 one of them or the two prolong naturally simultaneously or an extra additional extension 41, make extension 41 can extend to the testee back even make and be with shape device 400 can center on whole chest one circle of testee.
On band body 40, be provided with according to the roughly anatomical location of selecting and a plurality ofly be used to the electrode that thoracic wall electrode 44 is set portion 45 be set.It should be noted that if desired, also can electrode be set at the extension 41 of band body 40 portion 45 is set, so as with arrangement of electrodes at the testee back.And each or some electrode wherein arrange portion 45 and have slit on the band shape device 400, can position adjustment be set to what be arranged on wherein thoracic wall electrode 44.
At band body 40 1 ends total lead signals lead-out terminal 46 is set, thoracic wall electrode 44 is electrically connected with lead signals lead-out terminal 46 by being printed on band body 40 surface or being embedded in lead 47 in the interlayer (when band body 40 is made of multilamellar) of band body 40 (each thoracic wall electrode all is electrically connected with the lead signals lead-out terminal, but only schematically show a lead 47 among the figure), with cable 14 lead signals lead-out terminal 46 and the lead signals interface 11 that is arranged on the box body 10 are electrically connected again.By wiring in advance on band shape device 400, and employing cable connecting band shape device 400 and electrocardiosignal deriving means 1, so, can eliminate the easy interference user of too much lead or cable band shape device 400 is carried out various operations, even with the defective of lead connection error.
Preferably, described band shape device 400 is provided with 6 thoracic wall electrodes 44, measures to adapt to conventional 12 ECG that lead.
Preferably, described band shape device 400 is provided with 12 thoracic wall electrodes 44, measures to adapt to conventional 18 ECG that lead.
Should be appreciated that the drawings and the specific embodiments of the present invention are for the present invention will be described but not limit.
For example, though box body 10 roughly is rectangular shape in the above-mentioned embodiment, obviously other shapes also are fine, and for example are the ellipsoid shape, are arranged on two hemisphere surface up and down of ellipsoid with the hands electrodes in contact with the lower limb electrodes in contact.
And for example, though lead signals interface 11 is arranged on the leading flank A3 of box body 10 in the above-mentioned embodiment, unrestricted but this is only used for explanation, obviously also lead signals interface 11 can be arranged on other positions of box body 10, only just passable otherwise influence contacting of electrode and user's hands and lower limb.
And for example, the left hand electrode 2 that contacts with hands and right hand electrode 4 are arranged on the end face of box body 10, it is unrestricted but this is only used for explanation, obviously also left hand electrode 2 and right hand electrode 4 can be arranged on other sides or the position of box body 10, for example left hand electrode 2 can be arranged on left surface A5, right hand electrode 4 is arranged on right flank A6, only just passable otherwise influence contacting of electrode and user's hands and lower limb.
And for example, the present invention is provided with electrode position adjustment structure 8 to reference electrode 7, but obviously also can the electrode position adjustment structure be set and reference electrode 7 not arranged the electrode position adjustment structure left lower limb electrode 6, perhaps left lower limb electrode 6 and reference electrode 7 all arrange the electrode position adjustment structure, in a word, as long as the distance that can regulate between left lower limb electrode 6 and the reference electrode 7 is just passable.
And for example, in the occupation mode of the electrocardio deriving means 1 shown in Fig. 3, the reference electrode of electrocardio deriving means 1 is to contact with user's shank with left lower limb electrode, but described reference electrode and/or left lower limb electrode contact also with other positions of user left side lower limb and are fine, for example huckle or ankle part, the contact skin at any position of any in described reference electrode and the left lower limb electrode and left lower limb all is fine in a word, even can contact in the trunk position near left lower limb under the situation of left lower limb disappearance.
And for example, in the above-mentioned embodiment, for the left hand electrode 2 that contacts with hands and right hand electrode 4, the mode that contacts with user's opposing thumb or palm thenar portion has been described, also be fine but be designed to contact obviously with other positions of user's hands, for example with other finger contacts, perhaps grasp electrode, electrode is closely contacted with the centre of the palm.
The present invention has significant advantage.Because with the left hand electrode, right hand electrode, left side lower limb electrode and reference electrode are arranged on the mancarried device, and reference electrode and left lower limb electrode are near arranging, therefore also simply it is pressed by hand-held device and be pressed on the left lower limb, just can obtain 6 synchronous at least lead electrocardiogram, particularly can obtain standard I I lead electrocardiogram, it comprises the standard P ripple, therefore the needs that can be used for nearly all clinical common ARR ecg analysis, comprise the standard P wave analysis as the room early, atrial fibrillation, conduction blocks etc. popularly on the market are singly led the drawback that the handheld electrocardiograph device can only be done a few arrhythmia analysis thereby overcome.More importantly be, the synchronous multi-lead signal of this device output has kept diagnosis more comprehensive of traditional electrocardiograph, and its operation is unusual simple and fast again, therefore is easy to popularize.
Claims (14)
1. a hand-held electrocardio deriving means (1), be used for obtaining electrocardiosignal, comprise box body (10), described box body (10) is provided with left hand electrode (2) and right hand electrode (4), it is characterized in that: described box body (10) be provided with when test simultaneously with left lower limb electrode (6) and the reference electrode (7) of the contact skin of user left side lower limb.
2. electrocardio deriving means according to claim 2, it is characterized in that: the distance (d) between described left lower limb electrode (6) and the described reference electrode (7) is adjustable.
3. electrocardio deriving means according to claim 1, it is characterized in that: described left lower limb electrode (6) and described reference electrode (7) comprise electrode contact (21), described electrode contact (21) protrudes from described box body (10) surface, and the distance that described electrode contact (21) leaves described box body (10) is adjustable.
4. electrocardiosignal deriving means according to claim 3, it is characterized in that: described electrode contact (21) is subjected to the effect of elastic pressure, makes stable contact of skin of described electrode contact (21) and described user left side lower limb.
5. electrocardiosignal deriving means according to claim 1 is characterized in that: described box body (10) be provided with can external cardiac diagnosis lead signal lead signals interface (11).
6. according to the described electrocardio seat number of the arbitrary claim of claim 1-5 deriving means, it is characterized in that: described box body (10) is provided with and prevents that user's left hand and the right hand from holding anti-structure, user's left hand contacts described right hand electrode (4) when avoiding using, and the right hand contacts described left hand electrode (2).
7. according to the described electrocardiosignal deriving means of the arbitrary claim of claim 1-5, it is characterized in that: be provided with circuit (300) in the described box body (10), described circuit (300) comprises multichannel amplification module (30), A/D modular converter (31), wireless communication module (32) and microprocessor (33).
8. electrocardiogram system, comprise an electrocardiosignal deriving means according to claim 7 and a hand-held digital terminal, described hand-held digital terminal is loaded with particular procedure software, can communicate by letter to obtain described electrocardio seat number with the wireless communication module (32) of described electrocardiosignal deriving means and handle, and the electrocardiogram that will obtain after will handling is presented on the display of described hand-held digital terminal.
9. electrocardiogram system according to claim 8, it is characterized in that: also comprise tele-medicine workstation servers, described tele-medicine workstation servers can communicate by letter to obtain described electrocardiosignal with the wireless communication module (32) of described electrocardiosignal deriving means, perhaps communicate by letter to obtain described electrocardiosignal or resulting described electrocardiogram after described hand-held digital terminal is handled with described hand-held digital terminal.
10. according to Claim 8 or 9 described electrocardiosignal deriving means, it is characterized in that: described hand-held digital terminal is a kind of in mobile phone and the panel computer, described electrocardiosignal deriving means and described hand-held digital terminal one design.
11. a method of using hand-held electrocardio signal deriving means (1) to obtain electrocardiosignal is characterized in that, may further comprise the steps:
(a) the hand-held described electrocardiosignal deriving means (1) of user's both hands;
(b) described electrocardiosignal deriving means (1) is pressed on the skin at any position that is pressed in the left lower limb of user oneself.
12. method as claimed in claim 11, it is characterized in that: described electrocardiosignal deriving means (1) comprises box body (10), described box body (10) is provided with left hand electrode (2), right hand electrode (4), left lower limb electrode (6) and reference electrode (7), when carrying out described step (a), user's left hand contacts described left hand electrode (2), the right hand contacts described right hand electrode (4), when carrying out described step (b), make described left lower limb electrode (6) and described reference electrode (7) all with the contact skin of described left lower limb.
13. one kind as claim 11 or 12 described methods, it is characterized in that: described electrocardiosignal deriving means (1) further comprises lead signals interface (11), is carrying out described step (a) and described step (b) before, also carries out following steps:
(c) the lead signals output cable (14) with one or more thoracic wall electrodes (44) is connected with described lead signals interface (11), and described one or more thoracic wall electrodes are fixed on the corresponding anatomical location of the own thoracic wall of user.
14. one kind as claim 11 or 12 described electrocardiosignal acquisition methods, it is characterized in that: described electrocardiosignal deriving means (1) further comprises lead signals interface (11), carry out described step (a) and described step (b) before, also carrying out following steps:
(d) a band shape device (400) that is provided with a plurality of thoracic wall electrodes (44) is fixed on user's oneself chest, one end of described band shape device (400) is provided with lead signals lead-out terminal (46), is electrically connected with described lead signals interface (11) with the described lead signals lead-out terminal (46) of cable (14) with described band shape device (400).
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| CN105943028A (en) * | 2016-07-14 | 2016-09-21 | 苏州咖丢卫私康信息科技有限公司 | Heart health examination system |
| CN106999082A (en) * | 2014-11-14 | 2017-08-01 | 斯蒂芬·德雷克 | System and method for performing electrocardiogram |
| CN107647863A (en) * | 2017-10-31 | 2018-02-02 | 美合实业（苏州）有限公司 | A kind of portability ECG Gathering System of multi-communication mode |
| WO2019113944A1 (en) * | 2017-12-15 | 2019-06-20 | 深圳迈瑞生物医疗电子股份有限公司 | Lead electrode identification apparatus and method, storage medium, and medical monitoring device |
| CN110115578A (en) * | 2019-04-25 | 2019-08-13 | 维灵（杭州）信息技术有限公司 | A kind of three electrode of compatibility and two electrode detection lead electrocardiosignal methods and detector |
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| CN112236082A (en) * | 2018-07-06 | 2021-01-15 | 欧姆龙健康医疗事业株式会社 | Belt and electrocardiograph |
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| CN114343658A (en) * | 2021-12-30 | 2022-04-15 | 首都医科大学附属北京世纪坛医院 | Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal |
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| CN114343658A (en) * | 2021-12-30 | 2022-04-15 | 首都医科大学附属北京世纪坛医院 | Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal |
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Denomination of invention: Handheld multi lead synchronous electrocardiogram signal acquisition method and device Effective date of registration: 20230724 Granted publication date: 20190329 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: CARDIOCLOUD MEDICAL TECHNOLOGY (BEIJING) CO.,LTD. Registration number: Y2023990000376 |